Guarantee Electrical Company - Top Electrical Contractor in Missouri, Illinois and Colorado

About Us

Our Name is Our Promise

Guarantee Electrical was founded in 1902 when our founders “guaranteed” they could light the 1904 World’s Fair for an entire year. Although unprecedented at that time, our guarantee has always been our trademark and is now anElectrical Construction in St. Louis industry standard.

In our more than 115 year history, Guarantee Electrical Company has grown from a single office in St. Louis, MO to four branch offices in Missouri, Illinois, Colorado, and California. We are also a founder of the Federated Electrical Contractors (FEC), a network of nationwide electrical contractors, enabling us to provide services across the country.

Guarantee Electrical Company is a full-service electrical contractor specializing in preconstruction, electrical engineering, electrical construction, intelligent building systems installation, and quick response services.

Small Photo: Centene Corporation - St. Louis, MO