Tri-M is a family owned cleaning company now located in Weymouth, MA.

About Tri-M Maintenance, Inc. Cleaning Services


Tri-M Maintenance, Inc. provides professional janitorial services to property owners, managers and developers throughout Eastern Massachusetts. Our commitment to provide excellent service has helped us to become a leading provider of office cleaning, window cleaning, floor waxing & carpet cleaning services throughout the Greater Boston Area. Through careful selection and training of our staff as well as superior supervision, you can be assured that we will perform consistently and reliably each and every day.
South Shore cleaning services
Mike Murphy has been leading Tri-M since its creation in 1978. Growing up in Quincy Massachusetts, Mike launched Tri-M window cleaning out of the garage of his parents house. Under Mike’s direction Tri-M has grown from a single employee window cleaning company to a 50+ employee full service Janitorial contracting company. Tri-M now services over 3 Million sq feet of space in both commercial and residential property. Over the last 32 years, Michael has attained extensive experience in the janitorial industry and is directly responsible for success Tri-M has achieved.

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“Tri-M’s staff and management have been instrumental in the transition to our newly acquired office building.” – commercial property manager in Quincy, MA. 

Commercial Office Cleaning

Keep a clean working environment with Tri-M’s tailored cleaning schedules that meet your budget and all needs. Our office cleaning professionals always meet your cleaning expectations punctually and professionally… More »

Commercial Window Cleaning & Washing

Tri-M has over 35 years of experience providing window washing and window cleaning services. Residential or Commercial, Tri-M cleans windows of all sizes and scope… More »

Commercial Carpet Cleaning

Tri-M Maintenance provides professional carpet cleaning service to medical offices, banks, and other commercial accounts throughout the city. We guarantee that the quality of our professionals will meet standards of the highest expectations.

Commercial Floor Stripping, Refinishing and Waxing

Sand and Salt from this years harsh winter probably did a number on your VCT floors. Proper care and maintenance is necessary to preserve their resilience and luster. Tri-M Cleaning service in plymouth can perform commercial floor stripping, refinishing, and sealing to completely restore your Vinyl-Composite Tile (VCT) and Luxury Vinyl tile (LVT) floor surfaces to their original condition… More »

Commercial Upholstery Cleaning

Office chairs and furniture are often used more than furniture at home. Keep your office furniture looking its best with an upholstery cleaning of chairs and couches from Tri-M cleaning services,

Post Construction/Remodeling Cleanup and Window Washing

Tri-M can take care of the mess left over after your construction or remodeling project, from general clean ups to window cleaning and floor finishing and floor waxing… … More »

Menu of Janitorial Services

  • Office Cleaning
  • Carpet Cleaning
  • Window Cleaning
  • Floor Stripping, Refinishing, Waxing & Buffing
  • Post-Construction Cleaning / Construction Clean Up

Service Area

  • Boston
  • Greater Boston
  • South Shore
  • Plymouth Area
  • South Coast
  • Metro South
  • Metro West

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