Electrical Company in St. Louis MOMany Strengths. One Guarantee.™

Guarantee Electrical Company is a national leader in the design and construction of electrical and information technology systems, providing a complete spectrum of electrical contracting services.

With more than a century of experience, Guarantee conceives and manages all types of projects – from design-build engineering, preconstruction, estimating, constructability analysis and lean construction, through electrical construction and communication and data systems design and installation. Our team supports clients with exceptional service, maintenance and upgrades throughout each facility’s full life cycle. Our complete spectrum of services is available coast-to-coast, with our central headquarters in Missouri and additional offices in Illinois, Colorado and California.

As a founding member of the international Federated Electrical Contractors (FEC) network, our joint venture capabilities extend to 60 cities across North America, Europe and Asia. Our participation in FEC over four decades and our affiliation with more than 30 leading electrical contracting firms heightens our “best practices” expertise on every Guarantee project.
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