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Gallagher Bros Construction

  • 500 S County Center Way, St. Louis, MO 63129
  • Industrial Roofing
  • Financing Available
  • Free Estimates
  • Licensed & Insured
  • Slate Roof
Hours
Mon7:30 AM - 9:00 PM
Tue7:30 AM - 9:00 PM
Wed7:30 AM - 9:00 PM
Thu7:30 AM - 9:00 PM
Fri7:30 AM - 9:00 PM
Sat7:30 AM - 9:00 PM
Sun7:30 AM - 9:00 PM

About the Business

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Recommended Reviews

Overall Company Rating
Excellent 4.7
Out of 83 reviews
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Christina Manno
Jul 29, 2025



Gallagher Construction recently replaced my roof, and I couldn’t be happier with the results. The workmanship was top-notch, and Patrick was incredibly helpful and supportive throughout the entire process.

The office staff was just as great—always polite, professional, and patient with all of my questions.

Even with the high demand following the March tornado, I never felt like just another job. They took their time, paid attention to detail, and never cut corners.

Highly recommend Gallagher Construction if you’re looking for quality work and outstanding customer service!

Crash Crash
Jul 10, 2025

Had a great experience with this company. They even worked with my insurance representative to complete all required paperwork and help issue insurance paymet. They got the job done during a busy storm season and patiently worked with me to complete the transaction. Definately recommend.

Melissa Smith
Jun 24, 2025

I love my new roof and siding. There were a few mistakes but they took care of them before they asked for the remainder of the bill. Overall, a great experience. Willie was wonderful to work with.

Janice Furrer
Jun 23, 2025

This company has advertising signs all over St. Louis billboards. But let me tell you - don’t expect them to follow up with you. I asked for a bid to replace my roof. They did come out - was there about 10 minutes. The guy said he would get a price for me the next day. What a joke - never heard from him. This says a lot about a company - no follow through. Poor communications. Don’t call them.

Kyle I
Jun 20, 2025

Worked with Willie throughout my insurance claim. No issues at all and he was very responsive and willing to answer questions throughout the process. The crew that came out was very good and cleaned up well when all was said and done. New roof looks great.

Paul Davis Jr
Jun 10, 2025

Brett the salesmen’s was very personal and always returned my calls about all my questions. I love the job they did and our home looks so much better after our new roof and gutters..

Caleb Oliver
May 29, 2025

I was very pleased with Gallagher Bros and Brett Keenan specifically (sales rep). Buying a roof was made simple and glad we picked them!

Sherry
May 17, 2025

Update -

On my previous posting that was made early regarding no call - no show. Jack called me and came out survey my roof. He was very professional and apologized for miscommunication. Jack listen to my needs are desires. Thanks, Jack for coming out!!! I really appreciate it!

Theresa Roberts
Apr 30, 2025

Gallagher installed a roof for me on Father's Day 2024 to replace one originally installed just a few years prior. Another Roofing company gave me an estimate and found all kinds of problems with the way my roof was originally installed which caused inside ceiling damage from the flashing around the fireplace being improperly installed. I went with them again as they promised to guarantee (since I was just months shy of the warranty) that they would take good care of me. The roofers did not put down anything, even a tarp to protect any items in my yard. My pool cover, canopy, outdoor sectional, were heavily damaged. Even my cushions and pillows were covered with tar. They left nails everywhere. My gutters were full and even months later I had nails that transferred to my gutters/downspouts and wound up all throughout my yard and driveway. I had three flat tires at three different times. (See attached pictures). Last month, in March after the storm my ceiling began sagging and having the same issues. It had only been 8 months, so I called Gallagher to report the issue. I learned that Mike the original guy I worked with was no longer with the company. They told me I would have to wait 4 weeks out for someone to just come look at it. The first weekend, I waited all Saturday for my appt, and never heard a word, so I waited All Sunday. They never showed. After several calls and texts they rescheduled me 2 weeks later, and then once again, never showed up on the Saturday of my appt. I again thought perhaps they would come Sunday when my calls and text went unanswered. I then waited an entire week with no response. When I called the office rather than apologizing Mary was very condescending insinuating that they were too busy to deal with me, even though it had been 6 weeks and they never even showed up one time to look at my roof. When Willie finally called me he told me he would try to "fit me in" again but to make sure I had my insurance information ready to sign over. I told him my roof was only 7months old and that I just wanted an estimate and my inside ceiling looked at and he told me that is not the way they "worked". They do not give estimates. They base their charges on what the insurance pays. I told him this damage should be covered by them and it is just not right and was "shady". I also told him their customers deserved a call if they were not going to show up as 2 weekends were spent waiting for them. Not wanting to even run the lawn mower thinking I might miss them. He told me that they would no longer wanted to work with me. No apologies for never showing up, no apologies on my roof once again leaking...I was upset/shocked I called back to the office to share what transpired and Brittany answered the phone. I told it had been 6 weeks since I originally reached out to get an estimate, and she interrupted me and very derogatory said "last time you called you said it was 4 weeks get your story straight", she immediately told me they did not want to work with me. OF COURSE they don't want to work with me, they have put 3 roofs on for me, and every one has had issues and has leaked. This is a terrible company to deal with. The only decent person there was "Mike" and he has moved to Florida. I would be very leery of the way they base their prices and try to get more money from the insurance companies. And we wonder why our insurance rates are going up with these types of practices. The office women are extremely rude and condescending. It has been a terrible experience, and I cannot believe the owner of this company would allow his office personnel to treat his customers in this way. If I could give "0" stars I would. I will be looking into any legal recourse I may have. There are many roofing companies out there, Gallagher should not act like they are doing you a huge favor to just show up when they should or do the work properly.

Michael Pelts
Apr 22, 2025

The Gallagher Brothers were extremely professional and replaced half of our roof in a day! They did excellent work. Rex was very responsive and did a great job coordinating with us. Would absolutely work with them again!

Kevin Drozd
Apr 18, 2025

Highly recommended!! Called them after the winter snow finally destroyed a poorly built roof (not by them). They were quick to come out and give us an estimate. Jeremy did a great job on restoring that roof. Even better was after the job, they sent someone to clean up the yard.

Kaitlyn Crites
Jan 10, 2025

They did a great job with our roof, and they were incredibly helpful in dealing with the insurance company. They took the stress out of the process and completed everything as promised. Would highly recommend!

Glenn Voertman
Jan 5, 2025

Gallagher Brothers did a great job and we would use them again. We would also recommend them to friends and family. They replaced the facia and soffit.

ally hannemann
Dec 16, 2024

Just finished working with Willie W. on our roof replacement and he was great! We are only in the 2nd year of owning our home, so I had a lot of questions throughout the process and he answered all of them kindly and thoroughly.

Our home insurance is garbage (Homesite), but I hardly had to deal with them personally, as Willie and Gallagher handled it for me and made the process as seamless as possible.

There was a delay in when our roof went up due to supply chain issues, but the workmanship and shingle choice was worth the wait! And Willie was always easy to get a hold of when I wanted an update. We are very glad to have gone with Gallagher and feel secure in our choice with their five year workmanship warranty.

Jieun
Dec 9, 2024

This is the second time I have worked with Gallagher Bros for a full roof replacement on my investment properties.
I truly appreciate their reliability, top-quality products, and exellent service that I have come to trust over the years. Jeremy Mills has been the project manager for both of my roof replacements, and he is absolutely outstanding! He is not only highly skilled and professional but also an incredibly kind and trustworthy person. If you are looking for exceptionaly roof services, I highly recommend giving them a call!

Hippy Wizard
Dec 6, 2024

Gallagher Brothers Construction recently replaced our hail damaged roof. Working with their production manager, Rex, the process and communication was clear, he answered all my questions, and they did a great job on the roof and clean up afterwards getting up all the nails. Definitely recommend them for your roof replacement.

jim dauphine
Nov 21, 2024

The roof that Gallagher Bros Construction put on our house turned out even better than expected. Rex explained everything to us that we needed know. The roof crew did an excellent job and Nathan and his crew did an excellent job with the gutters. Definitely recommend Gallagher Bros for your roofing needs.

Joshua Warren
Nov 17, 2024

Gallagher brothers worked with us and our insurance agent to determine the best outcome. When our insurance agency wouldn't support a reasonable solution, Gallagher brothers worked with us directly to find the best economical solution to replace our roof.

JP
Nov 14, 2024

Great experience working with Brett and the team. Roof looks great and dealing with insurance was a breeze. Highly recommend Gallagher Bros to anyone considering a new roof!

william bub
Nov 13, 2024

I would highly recommend Gallagher Brother’s. Willie was an excellent representative of his company. He was professional, informative and on time! Once I signed a contract with their company, they did all the leg work with my insurance company. They took care of everything and kept me apprised of all developments as we work through the process. The installers did an excellent job. And clean up was so thorough, it was like they were never even here.
Again, excellent service. And highly recommended!

Joe Melchor
Nov 4, 2024

Gallagher Brothers installed my new roof and it was perfect! Great communication and worked wonderfully with my insurance company - they made it super easy and their work is top notch!!

Shane Bruening
Nov 3, 2024

Had a new roof installed by Gallagher Bros after a recent hail storm and they were great to work with. Very professional and friendly, and Brett made the whole process a breeze.

Gina Pfund
Oct 21, 2024

Gallagher Brothers put a new roof on my house that had been damaged by hail. Rex was great at guiding me through the entire process. The workers did an amazing job, and the clean up was above and beyond my expectations. There was a slight repair that needed to be done, and they were on top of that the next day. I was extremely pleased and impressed by everyone that I was in contact with from start to finish!

Ben Clayton
Oct 16, 2024

Rex did a great job walking us through the process for getting storm damage repaired. Our house looks amazing. We highly recommend.

Lindsay Meyer
Oct 11, 2024

I couldn’t be happier with the services provided. Jeremy was prompt and knowledgeable. They were affordably priced and easy to work with.

Zac Staufenbiel
Oct 10, 2024

We chose Gallagher Brothers to repair our roof after hail damage this past March. Brett is a top notch sales rep who was easy to work with and met with our insurance. The new roof looks great and we couldn’t be happier with our experience. A+

Kathy Simon
Oct 9, 2024

I will definitely recommend Gallagher Bros. to all my family and friends! Brett handled my claim, he explained everything about the replacement of our roof and answered all our questions. The work crew did an efficient and professional job. Gallagher even sent someone to do extra cleaning and look for nails with a magnet. Overall an excellent experience and our new roof and gutters look awesome! Thanks, Gallagher Bros.!

Aminhan
Sep 27, 2024

I regret to say that my experience with Gallagher Bros Construction has been profoundly disappointing, despite not having engaged their services. When I reached out for a quote, I encountered an alarmingly unprofessional and dismissive team member. When I asked about getting a quote for my client the team member responded with "they will probably be mad at us" after further questions the team member informed me they were currently behind on jobs. While I appreciated the honesty about their current workload of over 300 jobs, the condescending tone of the response was entirely unacceptable.

Customer service is crucial, especially when a company is at capacity. The way potential clients are treated can make all the difference in their decision to seek future work with you. I strongly encourage Gallagher Bros Construction to reflect on this aspect of their business. A little respect and professionalism can go a long way in building lasting relationships with customers.

Jim Hepler
Sep 26, 2024

Like everyone in our entire sub, we got a lot of hail. I found a shingle in the backyard, and contacted Gallagher. They very quickly got me in touch with their man Rex. He quickly came out, confirmed there was hail damage and we needed a new roof, and told me every step needed to work with insurance, and also possible roofing options. He helped deal with the adjuster, told us step by step how to handle everything, and is an absolute pro at communication.

Gallagher is very busy due to all the hail damage everywhere so it took a bit to get to us, but when they did the work was completed in a single day and was done professionally, including clean-up, no complaints. I absolutely recommend them to anyone else with roofing needs.

Mark Funk
Sep 5, 2024

This is the go to roofing company in St L they were friendly professional got the roof facia suffet gutters downspouts all done excellent job made my house look great

Moonshot Lab
Sep 5, 2024

Awesome and friendly they did our roof gutters downspouts facia and soffet friendly from the field rep to the office work crews and production manager highly recommend there is no one better

Tim Mroz
Sep 2, 2024

New vinyl siding installed, old cedar siding removed. Project done in 2 days very professionally done, crew was easy to work with and left job just as they came. Highly recommend!!

Krista Garcia
Aug 30, 2024

I had my gutters replaced a few weeks ago and the entire process - quote to contract to installation - was so easy and convenient. Super professional group, everything looks great. I have a ton of landscaping up along my house and you wouldn't even know they were working there, they were that careful!

Michelle Hubbard
Aug 28, 2024

We hired Gallagher Bros Construction for the installation of a new roof, gutters and gutter guards. Their price was comparable with others that we received quotes from. They were able to do the installation within a few weeks of our deposit. The installers were professional and the finished product looks great! We were also impressed with the clean up process. Everyone that we spoke to was pleasant and knowledgeable! Overall we were extremely pleased with our purchase and with Gallagher Bros in general. We even talked my parents into buying new gutters from them! We will definitely use Gallagher Bros. for any future construction needs!

Richard Losciale
Aug 24, 2024

Rex, my sales pro, Mary in the front office and the roofing teams did a thorough neat job. My home looks cleaner, brighter and yes, more expensive. And the family under our new roof feels safer and more secure. Thanks to Gallagher Brothers Construction!

Cindy Heinlein
Aug 20, 2024

Gallagher did a wonderful job of replacing our roof, gutters and downspouts after the hailstorm. Always professional and kept us on the loop. Could not be happier with the change!

Amanda Scheideman
Aug 8, 2024

Willie was excellent to work with through the entire process of getting our roof and siding replaced due to hail damage. We worked with our insurance and got the word done efficiently and with excellent quality.

Brantley Treu
Jul 30, 2024

We recently had a tree fall on our roof, and Gallagher Bros came to our rescue. From start to finish, the entire experience was fantastic. We had the pleasure of working with Willie, who did an outstanding job. He was professional, efficient, and extremely knowledgeable. The team worked diligently and completed the repairs quickly without compromising on quality. The new roof looks great, and we couldn’t be happier with the service we received. We highly recommend Gallagher Bros for any roofing needs!

Matthew Bowden
Jul 29, 2024

The hail this season has been crazy and ended up damaging mine and several of my neighbors roofs. This was my first time interacting with a roofing company. Gallagher Bros did a great job explaining everything, the crew got everything done in one day, and the clean up afterwards was amazing (I still haven’t found a single nail). Thank you Gallagher bros for protecting me and my family.

Lisa Sennott
Jul 22, 2024

We are so glad we went with Gallagher Bros Construction for our roof! The process was smooth, taking the need to deal with the insurance adjustor out of our hands. They advocated for our needs and were informative about design choices, even going so far as to leave a large section of downspout at our home so we could see the finish. Willie was communicative throughout and quickly responded to any questions, concerns and needs. The crew was professional, and we appreciated the thorough cleanup including vacuuming up all the nails and debris. We could not be more pleased with the quality of the work and smile everyday seeing our new roof and gutters. We would highly recommend Gallagher!

Helen Wilcockson
Jul 20, 2024

After hail damage, our roof was replaced by Gallagher Bros Construction. They were straightforward, reliable and did a good job. That’s what you want, isn’t it?
Thank you, Brett, and Gallagher Bros Construction!!!

Sarah Henshaw
Jul 20, 2024

We used Gallagher roofing to replace my parents’ roof, gutters, downspouts, and skylight. It was done well. When I had a question about the skylight, someone showed up the next day to answer. I would use them again.

Debra McCombs
Jul 19, 2024

Kris did a great job, work was completed in a timely manner as well as a great clean up! Only way you could tell they were at my house was my beautiful new roof!

Frederick White
Jul 18, 2024

Great, place if you need quick, hassle free and super trustworthy, definitely one of the best experiences I’ve had.Thanks Gallaghers

Angela Gadberry
Jul 18, 2024

From start to finish this company did an excellent job. I was continuously made aware when a chang was needed. The work was completed in a timely manner. They all listened to my ideas on anything and answered questions when I did not understand. I would recommend them to anyone and everyone. When the time comes for more work, I would definitely make them my first call.

Diane Gewinner
Jul 16, 2024

Excellent customer service. Recently had our roof done and every detail was covered. The roofers worked hard through out the process, including the cleanup. Brett was great at explaining everything to us. Highly recommend them.

Gene Draves
Jun 26, 2024

We were extremely pleased with our entire experience with Gallagher Construction for our roof and gutter guard replacement from a hail storm. Willie Wyninegar was our sales representative and handled all aspects of the project. Willie also helped up 7 years ago when we needed a new roof from a hail storm. We called him with questions during the past and he is always available and calls you back in a timely fashion.

Nancy
Jun 24, 2024

My homeowner’s insurance mailed me a notice giving a couple months to replace my old roof or they would drop me. I contacted Gallagher Bros and they sent Willie out to look at my roof. He was very honest in his assessment and walked me through the process. I submitted a claim for hail damage and received about 75% of the cost from my insurance. Willie went through all the new roofing materials, gutters, and fascia. He was very patient with me and answered all my questions. He even expedited the process to ensure my roof was completed before my insurance dropped me. Gallagher Bros did a very professional job, my new roof and gutters look great. I couldn’t be more pleased.

Hayley AuBuchon
Jun 21, 2024

Our insurance gave us a month notice that we had to replace our roof, so Rex at Gallagher Bros worked with us to submit a claim for hail damage and replaced our roof before we could be dropped from our policy! They were efficient and made the whole process very easy to follow for a first time homeowner.

Jennifer Sisul
Jun 19, 2024

Had a great experience ~ very personalized service with personable staff in the office and on the job site. Great results too! Will use again.

Beverly Kramer
Jun 18, 2024

I really appreciated the prompt service I received from Gallagher brothers construction the quality of service and materials where excellent Mark Kramer

Brigid Murphy
Jun 18, 2024

It was a pleasure working with Gallagher Brothers Construction. They are good listeners and thoroughly went over the scope of the work to be completed, from start to finish. Throughout the project, they continued to immediately address any concerns we had. Their office staff are very friendly and helpful. Brett, Kris, Cory, Mary and Brittany made a positive difference.

Chris Mcafee
Jun 17, 2024

Rarely do you find a company that will do whatever it takes for the customer. Gallagher brothers will do exactly that, whatever it takes for customer satisfaction. My house has never looked better.!

I had a tree come through my roof, what felt like the blink of an eye is all the time it took for the guys to show up, and not just make it look like it never happened, I now have the best looking house on the block. AND a 5 year warranty to cover it. Give credit where it’s due, so here are the super stars I dealt with.

Mike plumb the estimator A+
(Thank you for answering all my questions)

Cory (sorry I didn’t catch your last name but you were professional through and through)

Kris Fisher the production coordinator-excellent attention to detail/ thank you so much Kris

Sergio, one of the lead team
Members and a vast wealth of knowledge

Jered, the owner of the company called me himself to make certain my concerns were addressed timely and properly.

Thank you to the whole team

Leslie Eckert
Jun 9, 2024

Extremely pleased with the customer service and quality of workmanship! Our field estimator was very professional and helpful throughout the entire process!

Alice Zielonko
Jun 6, 2024

I contracted Gallagher Brothers Construction company to install my new roof and gutters this past March 2024. I got 3 different bids. I was very satisfied and glad I chose them. Brett, the Field Estimator, was very easy to work with. He made sure to explain all that would take place. The roofers came on the day and time they said they would. They finished the roof in 1 day, and the gutters a 2nd day. They were respectful of my property and left it clean. I would definitely recommend them as a reputable company who is very responsive and delivered a quality product.

Kelly Bell
May 24, 2024

Our roof was replaced from hail damage along with our shed.
The guys did a wonderful job.
We are very happy with the way everything turned out. Highly recommend Gallagher brothers construction!!!!!
Thank you!!!!!

Earline Evans
May 24, 2024

I don’t like giving bad reviews but I really struggled with this one. The project manager came out and reviewed our storm damaged to our gutters gave us a very good bid he was very personable. While I was in the hospital the crew came out I got no notice of the work being done, the crew left didn’t say they were done or nothing. The work they did was below substandard when it rained it looked like a waterfall from the end of the gutter. I called about it no one came out to look I was told that the wood they attached the new gutters to was rotten which didn’t make sense to me. Well during the recent storm the gutter is down. Now I have to go thru this whole thing again with the insurance company. Like it’s said if it’s too good to be true it probably is. I would not recommend this company.

Dylan Smith
May 21, 2024

Rex did a great job handling my roof claim and the roofers did excellent work. It's been a couple months since the work has been done and have had no issues at all. Highly recommend.

Christopher Powers
May 19, 2024

My wife and I are very grateful for Gallagher brothers construction! I would definitely recommend them to my friends and family!

Donna Session
May 16, 2024

Can't say enough good things about Brett and the team at Gallagher Bros Construction. Our new roof and gutters turned out great. When they were finished for the day, they came to get the dumpster. At that time, they went around our property and checked with a magnet a second time to make sure no nails were missed. They were great!

Samantha Montes de Oca
May 6, 2024

Great experience. Brett explained everything very thoroughly and answered all my questions before any work started. The Gallagher Bros team had to come back out a couple times to get the pictures and details they needed for my insurance to approve (insurance did not initially approve). After all was said and done, we were approved for a whole new roof. Timely, professional work. There was one minor problem area, but they quickly fixed it. All I had to do was call and let them know, and they were calling me back immediately and sent someone out that day to fix it.

Kelsey Bossung
May 4, 2024

Bad experience for nearly a year.
I hate to do this again but, this seems to bet the only way to contact the owner. People deserve to know that I have paid this company over 20k, they did not properly follow up on the extensive repairs made to my house. They replaced my roof, windows, fascia, and siding. We had to request a repair on the siding, which was corrected, however the fascia repair was not as expected as it seems they covered old rotting wood with vinyl when the expectation was to replace the wood. The lights above the garage were cut from the electrical wiring and there are exposed wires above my garage door now. The roof above the porch is sagging. Nails and trash were left in my yard and driveway. We did most clean up. I never personally met anyone from this company, only subcontractors. I always made good on my word, paid on time, and removed my previous Google review at the request of the company when I was blown off by the first salesman, which I now regret giving them a second chance. The quality control on this work has been zero.

Against better judgement, I still requested my front stairs, back stairs, and railings be replaced, signed a contract, and agreed on materials and colors. This was over 6 months ago, and we have yet to receive follow up on that contract, and have not been contacted by this company in over 5 months. My husband and I do work full time, however we have made our selves available to meet with the various subcontractors who have worked on our home. I was hoping for the same respect from Gallagher and have been nothing but disappointed.

Update after reply from owner: a good faith attempt was made to resolve many issues following this review via email prior to this response. That seems to have fallen on deaf ears by Gallagher Brothers. As a result of a honest review, I only received this strange reply, a lot of excuses (people in hospital, people are busy family members, you didn't call us to ask where we were, and your roof was sagging before we fixed it, we did you a favor by cutting wires without proper resolution). I was met with a total unwillingness to resolve this and move forward. This is just another example of the poor communication skills exhibited in my interactions with this company. I warn potential customers to be very cautious and take good notes. See new photo, this company is trying to discredit my review, wires are not dead. They are live and were cut by an unlicensed siding sub contractor who was not replacing our fascia as requested, but was wrapping it in vinyl, at our home, unexpectedly on a busy week day evening in the dark. I never once personally met anyone representing Gallagher Bros, only subcontractors. Nobody thanked me for my business, followed up, or made good on their work to fix things when we did ask them to return.

I'm not just "blasting you" online, I wanted to resolve this. I agree, what's right is right, what's wrong is wrong.

Also, the owner informed me that they do no conduct business via email despite handling most of my prior communication and my contracts via email. If you have speech, hearing, or language barriers, I would warn against using this company. They will not help you unless you CALL and calling will be your job.

Sam Reading
May 1, 2024

Thank you to Super Mike and his staff. I checked your company out on bbb website. Excellent review and responses. I remembered your mailers as well. I checked out your company website, very informative and the information was up to date. I contacted your company by phone. No menus to listen to but a real friendly and helpful lady who scheduled my appointment when it worked out for me. Super Mike arrived as promised and was awesome in assessing the problem and discovering the issues. He offered a temporary fix and recommended other fixes. I definitely recommend Gallagher BrosConstruction for your home roofing and other services they provide.

Josh Franek
Apr 18, 2024

3 unsolicited door hangers have been hung up on my door in the past week alone.

It’s annoying and it’s overkill.

Out of the kindness, I did not leave a one star review even though I wanted to. But I do want this to get up to upper management because this is ridiculous. If I need your services, I will seek someone out. Stop soliciting so hard

JASON HOUVENAGLE
Apr 3, 2024

Had a great experience with this company. Rex was easy to work with and did everything he said he would do.

Kevin Dulle (Wonder Mint Studio)
Feb 27, 2024

What a complete pleasure working with Rex at Gallagher Brothers. The quality and craftsmanship of the roofers was excellent. Many bid the job, but Gallagher Brothers were the best option by far.
Two up

Timothy Smith
Feb 26, 2024

I highly recommend Gallagher Bros Construction and Brett Keenan for any roofing and gutter needs. Brett and team are pure professionals and made sure everything was done right from start to finish. They made the insurance process a breeze and explained everything thoroughly and answered my all questions. We are very happy with a job well done!

Katherine Stegman
Feb 20, 2024

Worked with Brett, and got my roof replaced as well as my gutters and down spouts, and did an excellent job. Brett was great and communicated with me the entire process. I would highly recommend using Gallagher Bros and working with Brett! Thanks!

Matthew Wilson
Feb 16, 2024

The team at Gallagher Bros Construction were great to work with. From the time we started the process through the finish of the job Rex took care of any and all questions we had. Highly recommend them to fix any issues with your roof!

Bob Ricca
Jan 19, 2024

I just had a new roof installed by Gallagher Bros. Construction and am very happy with the entire process. Rex worked with me from start to finish and definitely had my best interest in mind throughout. He was instrumental in dealing with my insurance company and claim process. The installation crew did a great job in a timely manner. Everyone at Gallagher was very courteous and professional. I highly recommend Gallagher Bros. Construction and am truly appreciative of Rex's efforts.

Jennifer Heitman
Jan 12, 2024

Gallagher Brothers Construction is great. They were excellent throughout the entire process of replacing my roof. Brett is kind, knowledgeable, and very professional. I am so happy with their services I will definitely use them again.

Sheri Klein
Jan 3, 2024

I had a great experience with Gallagher Bros construction. They replaced my roof and it really looks amazing. After they replaced it they went through my yard and picked up all the waste. I highly recommend them to everyone.

Damithri Jenkins
Jan 1, 2024

We went with Gallagher to get our roof and gutter replaced. Our contractor, Jeremy was very thorough, helpful, responsive and honest! Getting a roof replaced can be a very stressful process but they made it smooth and stress free. Highly recommend them!

Mark Kennon
Dec 25, 2023

Rex was our salesperson. Helped us out greatly. Walked us through all the insurance paperwork and made sure we received the best possible roof. Fought to make sure the roof was brought up to current code. The installers were great. And we love the roof. Can only recommend them at the highest level. Thank you Rex and Gallagher Bros.

Chris Kayser
Dec 14, 2023

We would highly recommend Gallagher Bros to anyone, new roof gutters & window wraps from Hail damage, Brett took care of everything start to finish, great communication & professionalism, excellent workmanship, we are very happy with everything!

Lisa Mottola Ernst
Dec 14, 2023

From start to finish our experience with Gallagher Bros. Construction was a delight. Their responsiveness and professionalism were greatly appreciated in this challenging time of needing a new roof. We are grateful for Brett and his team as they made this entire process stress free! We love our new roof!

cindy feldhaus
Dec 9, 2023

I'm always extremely skeptical when flyers are found on my door. However, I did my research on Gallagher Brothers and decided to give them a try. Glad I did! Brett was professional and efficient and I really loved the fact he dealt with the insurance company. That was an unexpected bonus! Jeremy did a fantastic job on the roof. Would definitely recommend using them.

Cam Frey
Dec 6, 2023

Loved working with these guy, Rex is awesome! Easy to work with, very professional. Very happy with our new roof and gutters.

JT Johnson
Nov 29, 2023

This is Nancy Foster. I live in Swansea. I had a very difficult time finding a contractor to do my new roof. I finally landed on Gallagher brothers and met with Rex. he was absolutely amazing friendly knowledgeable patient answered my questions was attentive. and the roof that I have is absolutely gorgeous I cannot say enough about my experience with Gallagher brothers from start to finish.

Mandy Janesko
Nov 28, 2023

Got to give a shout out to Gallagher Bros Construction they replaced our roof recently and did a fantastic job! Our sales rep Brett was amazing to work with! He made the whole process so easy! If you need any work done, they are the people to call!!!

Valerie T
Oct 27, 2023

Gallagher Bros was spectacular to work with, my contact was Rex and he was responsive and walked me through the whole process to replace roofs on my house and garage. I would absolutely recommend them, and call for any other I needed to have completed.

Nicole Christ
Oct 19, 2023

Very impressed with Gallagher Brothers. Robert Halstead was informed, thorough, and simplified the process. Install was prompt and left the area clean. A 5 star referral is easy!

Adam Gacioch
Oct 12, 2023

We had a great experience working with Gallagher Brothers. They replaced our roof and gutters after a recent hail storm. The quality of their work was top notch. We would be happy to recommend them.

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  • 500 S County Center Way, St. Louis, MO 63129
  • Industrial Roofing
  • Financing Available
  • Free Estimates
  • Licensed & Insured
  • Slate Roof
Hours
Mon7:30 AM - 9:00 PM
Tue7:30 AM - 9:00 PM
Wed7:30 AM - 9:00 PM
Thu7:30 AM - 9:00 PM
Fri7:30 AM - 9:00 PM
Sat7:30 AM - 9:00 PM
Sun7:30 AM - 9:00 PM

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