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Guardian Professional Contracting Services, Inc.

Commercial Asphalt Shingle Roofing Installation or Replacement, Commercial Metal Roofing Installation or Replacement Service, Commercial Wood Shake or Composite Roofing Installation or Replacement Service,

About us

Team Guardian has helped more than 30,000 Wisconsin residential and commercial property owners for 30 + years. Guardian is a top-rated Roofing, Solar, Siding, & Window Replacement Company with clients throughout South Eastern Wisconsin. Guardian offers the largest selection of products, price options, insured warranties, and industry leading Guarantees. We have the lowest cost and most flexible payment and finance options. Most importantly, Guardian is comprised of a team of local experts passionate about helping our neighbors repair, restore, or update their homes with expert care and the highest professional standards. Guardian has eliminated the frustrations, deception, and sales pressure that are otherwise so common in the construction industry, giving homeowners a better way to buy home improvements. Industry Leading Best Price Guarantee !

Business highlights

31 years of experience

Memberships & Affiliations

NARI MBA CCN

Amenities

Free Estimates

Yes

Warranties

Yes

Accepted Payment Methods

  • CreditCard
Reviews
4.353 Reviews
Number of StarsImage of DistributionNumber of Ratings
5
74%
4
9%
3
2%
2
4%
1
8%

Filter reviews by service

Showing 1-25 of 53 reviews
Marilynn W.
Apr 2026
5.0
$1,500
Came out and repaired the roof where the shingles had been blown upwards. Included pictures of the roof and actually found another spot potentially bad and patched that also. Was fixed in a matter of hours from when I first called.

Patricia M.
Apr 2026
5.0
Job not completed yet.

Anthony V.
Jan 2026
5.0
Commercial Asphalt Shingle Roofing Installation or Replacement
$17,500
Great service - excellent work - professional staff
Response from Guardian Professional Contracting Services, Inc.
"Thank you, Anthony! We truly appreciate you taking the time to share your experience. We?re glad to hear you were happy with the service, workmanship, and professionalism of our team. It was a pleasure working with you on your roofing project, and we?re grateful for the opportunity to earn your business. If you ever need anything in the future, please don?t hesitate to reach out."

Deb B.
Jan 2026
5.0
$14,000
I cannot say enough positive about Guardian. From the very beginning they treated us like we were family. Or even better, friends. They listened to our needs and answered any questions I had. We will absolutely recommend them.
Response from Guardian Professional Contracting Services, Inc.
"Thank you, Deb! We truly appreciate the kind words and are so glad you felt taken care of throughout the process. It was a pleasure working with you and thank you for recommending Guardian!"

Meghan M.
Jan 2026
5.0
$15,000
After reaching out to multiple contractors in the area for a siding projects, I went with Guardian because of how professional they were and their pricing on the job. The project recently finished and it was great! Instead of two days, they replaced my siding in one and it looks incredible! Huge shoutouts to Josh for how communicative he was throughout the work being done and how thorough he was in the completion walkthrough, and to the entire crew for how hard they worked and the quality of the project! Everyone at Guardian was amazing to work with and made me confident that the work would be great. I’ve gotten a lot of compliments on my new siding since the work was done and everytime I look at my house outside I smile a bit.

Sarah T.
Nov 2025
4.0
There were some shingles applied crooked but the guys came out and fixed them once I pointed it out. Not everything went smoothly but, overall, I am satisfied with the results.
Response from Guardian Professional Contracting Services, Inc.
"Thank you, Sarah! We appreciate you sharing your experience and giving us the chance to address your concerns. We?re glad our team was able to make the adjustment and that you?re satisfied with the final result. Thank you for choosing Guardian and trusting us with your home."

Brad O.
Jul 2025
5.0
They did a great job.
Response from Guardian Professional Contracting Services, Inc.
"Thank you. We all appreciate the opportunity to help you with your home improvements."

Chris K.
May 2025
1.0
$20,000
I have holes in my exterior walls! I was having problems with a chimney area due to animal damage. Guardian convinced me the thing to do was to take the chimney down entirely. This took up pretty much my whole home repair budget but I felt I had to act to keep squirrels from getting into the house. After the chimney was removed there were vent holes (no longer connecting to any devices) in the concrete foundation walls of the basement. Guardian was just going to walk away at this point because they "don't do concrete" but after I objected they kludged the opening with tape.

Cynthia A.
Apr 2023
5.0
Yes, I recommend this pro
Final review will come when job is done

Tim R.
Feb 2023
5.0
Yes, I recommend this pro
$7,300
The gentleman from Guardian was professional and he had our needs and concerns and budget in mind during the entire visit.

Patrick K.
Jan 2023
4.5
Yes, I recommend this pro
So far no complaints. They have not completed the project as yet but so they seem courteous and professional.

Rachel C.
Jan 2023
5.0
Yes, I recommend this pro
They were professionals and got the job done

Christopher B.
Nov 2022
5.0
Yes, I recommend this pro
$11,000
Guardian was contracted to frame a new window, install new siding, new gutters, and a vent on my roof. Throughout the whole process the team was knowledgeable and helpful when discussing possible replacement options. Bobby and Austin handled the installations and they did an exceptional job. They were both knowledgeable and respectful and took extra time to ensure that everything looked perfect. I'm a satisfied customer and I would recommend working with them.
Response from Guardian Professional Contracting Services, Inc.
"Thank you. We all appreciate the opportunity to help you with your home improvements."

Tyler H.
Oct 2022
5.0
Yes, I recommend this pro
Anthony didn’t try to upsell anything and gave us honest answers when we asked his opinion. We appreciate not being treated like dollar signs and like people needing a problem solved affordably.

Beatrice M.
Oct 2022
3.0
They damage my lawn

Meg M.
Sep 2022
4.5
Yes, I recommend this pro
Patrick made sure we understood our options, and was very responsive. The work was completed on a timely basis, and was done well. No complaints

Jim B.
Sep 2022
5.0
Yes, I recommend this pro
Excellent

Tony G.
May 2022
5.0
Yes, I recommend this pro
Great job on my siding

Sharon S.
Oct 2021
5.0
Yes, I recommend this pro
I have not had the work done yet…can’t evaluate the work.

Dan C.
Apr 2021
4.0
Yes, I recommend this pro
Work has not progressed yet.

Lisa M.
Feb 2021
5.0
Yes, I recommend this pro
I called this company with a piece of siding that came off our garage and they were incredibly helpful. They came over and helped right away and I really appreciate everything they did. The two gentleman that came over were quick, efficient and did excellent work. This is a company that will go above and beyond for the customer.

Michael K.
Sep 2020
4.5
Yes, I recommend this pro
it's hard to find a company willing to do a home up keep project. the work was done in a timely fashion. all personnel were professional in demeanor and friendly. quality of materials are top notch.

Peter M.
Sep 2020
5.0
Yes, I recommend this pro
I was impressed by the crew they sent to complete the project. They demonstrated exceptional work ethic and theyâ re experience. Installation was completed with a minimum need for supervision. Each worker knew their job and worked steadily to finish the work professionally. They also did a thorough cleanup of the site.

Michael C.
Aug 2020
3.5
Yes, I recommend this pro
I think they are very good and they offer good support.

JAMES F.
Apr 2020
0.5
$43,000
Guardian is a company that advertises itself being a better construction experience with 100% customer satisfaction. In my experience, this means lies from their salesman and underwhelming results, with customer satisfaction taking a back seat to the bottom-line of the company. Andrew their salesman lied through his teeth to get the sale. Once the down payment was made, he disappeared, refusing to answer basic questions. Their office staff could not get me an estimated start date within a month of when they actually did start, giving contradictory dates 3 times in a single day. I spent more time managing the project than their PM Kevin. I had to insist over a half-dozen times that the product was being installed incorrectly only to be ignored. Escalations to Joe the manager were fruitless, showing a true lack of customer focus and only offering solutions that would not hurt their bottom line. After supplying their contractors with the wrong sized nails, they blamed their contractors for installing the product incorrectly. In the end, most of the siding had to come off and go back up. I am certain much of it is still wrong but the constant lies and lack of throughput over the 5 weeks it took them to complete a simple siding project was nothing short of overwhelming. I am still picking up nails and cigarette butts, and trying to save my trampled perennials and regrow multiple swaths of grass they killed.
Response from Guardian Professional Contracting Services, Inc.
"Mr. and Mrs. F[Consumer name withheld at their request], We sincerely apologize for anything any of us have done that may have made you feel this way. Please give us a call to discuss anything that was not completed to your satisfaction. We are confused as to the substance of these accusations since the last contact we have had with you was at the Final walk thru meeting upon completion of your project when together, we completed the Zero Defects checklist with you and you signed off to the acknowledgement that you were satisfied with the touch ups and final job check punch list at which time you gave us the final payment. The intention of the Zero Defects Final Completion step process is to ensure that both you and Guardian can close out the project as 100% completed and eliminate any potential dissatisfaction or miscommunications. The Zero Defects document confirms a walk-around of the entire house was done, and wall by wall each item of the installation was reviewed with yourself, Jim and Emily, Guardian Management, the project supervisor, and the project foreman. A punch-list of items was developed and agreed to as far as what needed to be done and was completed at no additional cost. Additionally, you were given free gutter and fascia replacement, that were never noted or part of the original contract. We also agreed to change out your electrical light block flashing to a different style of light block, and adjust some of the light blocks to accommodate your electrician?s unusual requests. The agreed to repairs and additional free items were completed by Guardian the following week. Please help us understand if something through this Quality Control process was missed or misunderstood. The Purpose of this process is to give you the control and peace of mind that the project is 100% complete and Not complete until you the customer have the opportunity to do a final walk-thru with a supervisor or manager and both confirm and sign-off on that all items of the project contract met or exceeded your expectations. Our only explanation for your new found dissatisfaction relates to the repeated threats you had made that if some more of the additional items, that were not part of the original contract were not done at no cost to you, that you would post bad reviews. We hope this is not the case and welcome the opportunity to understand what is now different or has changed from the Zero Defects Quality Control process paperwork you signed. We appreciate the opportunity to come back again and revisit any items that for whatever reasons you now feel need to be revisited regardless of the Zero Defects paperwork you signed. If there really are any outstanding issues, we are certainly willing to meet, discuss, and take care of whatever these supposed issues are so we can both confirm your project is complete and meets or exceeds your expectation. Please contact us as soon as possible."
Showing 1-25 of 53

Licensing

Insured

State Contractor License Requirements

All statements concerning insurance, licenses, and bonds are informational only, and are self-reported. Since insurance, licenses and bonds can expire and can be cancelled, homeowners should always check such information for themselves. To find more licensing information for your state, visit our Find Licensing Requirements page.

*Contact business to see additional licenses.

FAQ

Guardian Professional Contracting Services, Inc. is currently rated 4.3 overall out of 5.

Monday: 12:00 AM - 11:59 PM Tuesday: 12:00 AM - 11:59 PM Wednesday: 12:00 AM - 11:59 PM Thursday: 12:00 AM - 11:59 PM Friday: 12:00 AM - 11:59 PM Saturday: 12:00 AM - 11:59 PM Sunday: 12:00 AM - 11:59 PM

Guardian Professional Contracting Services, Inc. accepts the following forms of payment: CreditCard

Yes, Guardian Professional Contracting Services, Inc. offers free project estimates.

No, Guardian Professional Contracting Services, Inc. does not offer eco-friendly accreditations.

No, Guardian Professional Contracting Services, Inc. does not offer emergency services.

Yes, Guardian Professional Contracting Services, Inc. offers warranties.