Commercial Cleaning Services, Connecticut

Connecticut’s Trusted Commercial Cleaning & Janitorial Partner

Redefining clean across the Constitution State.

Founded in 1978, 4M Building Solutions expanded into Connecticut with the April 2024 acquisition of Horizon Services. By combining Horizon’s decades-long local presence with our 45+ years of precision-grade expertise, we’ve raised the bar for commercial cleaning services statewide, serving Hartford, New Haven, Stamford, Bridgeport, Waterbury, and beyond.

We’re the cleaning company built for Connecticut’s facility realities: staff turnover, rising costs, inconsistent results, and limited oversight. Our local management and regional support in Hartford deliver fast response with national-scale resources.

Industries We Serve

Corporate offices, multi-tenant buildings, industrial & logistics, distribution centers, education (K–12 and higher ed), and healthcare. We proudly support the State of Connecticut, major corporations, universities, and school districts.

Ready to Elevate Your Cleaning Program?

Reevaluate your current provider and get a tailored plan for your facility, schedule, and budget. Fill out the form or call us today to connect with our Connecticut team.