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Guaranteed Service

Operating Company

Sayreville, NJ, US Founded 2003 4.8 (29) Website
ElectricalHvacPlumbing

Headquarters

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Headquarters: Sayreville, NJ, US.

Ownership map

Ownership links are documented, evidence-gated edges, shown as reported by their sources. Naming a company is not an accusation against it. See our methodology and legal notes.

Ownership map for Guaranteed Servicebacked byrolled up intoAltas Partners: Pe FirmAltas PartnersBrothers Plumbing, Heating & Electric: Operating CompanyBrothers Plumbing, He…Guaranteed Service: Operating CompanyGSGuaranteed ServiceJohn C. Flood: Operating CompanyJohn C. FloodRedwood Services: PlatformRSRedwood ServicesRite Way Heating, Cooling & Plumbing: Operating CompanyRite Way Heating, Coo…Sierra Air Conditioning and Plumbing: Operating CompanySierra Air Conditioni…Sierra Platform: PlatformSPSierra Platform
Operating CompanyPe FirmPlatform

Ownership

Ownership links are documented, evidence-gated edges, shown as reported by their sources. A verified mark denotes an independently corroborated edge; links shown as reported are drawn as their sources record them and are not independently corroborated. Naming a company is not an accusation against it. See our methodology and legal notes.

Deals

Add-on acquisition May 2025

Redwood Services Partners with Guaranteed Service in New Jersey

Redwood Services → Guaranteed Service

Customer reviews

Excerpts from Google Business Profile.

  • 5 Lee Reyes 2018-06-01

    Guaranteed Mechanical was a nice surprise! I've had a lot of the bigger air conditioning companies visit my home for service and they always seemed to be in such a rush to get out as soon as he job started . They took the time to make sure everything was checked From top to bottom . They were courteous , understanding and went above and beyond compared to what I've experienced. I would recommend Guaranteed Mechanical to anyone who is having air conditioning problems.

  • 5 Maik Kontos 2018-06-01

    We used Guaranteed Mechanical after a few other guys failed us. These guys were great responding to my calls, even on a busy Saturday night at my restaurant. They were there within the hour, the owner himself, and he got it working. Even when other things went bad, I called the owner, and he had his techs there just as quick. I do recommend them to everyone, as these guys are masters at their craft and very professional.

  • 5 D. Munger 2017-06-01

    Guaranteed Mechanical came to my home for an emergency boiler replacement on Monday and couldn't have been more professional. Ive had other companies at my home and realize that you pay more for a quality service but their pricing compared to their competitors were by far better. The technician was professional, clean, honest, efficient and knowledgeable. He wanted to help us yet didn't try to take advantage of our inconvenience. I'd recommend them to anyone looking for an honest company.