Locally Owned & Operated

SMS has been providing Indoor Environmental Services for over 30 years. The SMS team holds and maintains critical industry certifications to ensure that you receive the best service available. We are an 20-year National Safety Awards recipient and are fully insured and certified. We work to earn your trust. We come highly recommended by Realtors, HVAC companies, Home Inspectors, other Service Providers and Facility Directors. SMS has operated out of Medway, MA for over 30 years. We service all of eastern MA, (including the Cape), New Hampshire and Rhode Island. We will travel beyond this area for large commercial projects but concentrate our efforts locally.





Rodent Feces Removal

Award-winning removal service to ensure the health and safety of your family or employees.
Mold Remediation

Locally recommended mold removal & remediation for commercial & residential clients.
Water Damage Restoration

Can be also combined with mold remediation for a thorough solution.
Duct & Vent Cleaning

Extend the life of your equipment with duct repair, sealing, and coating.
Filter Replacement

Manage filter inventory, schedule replacement including bag-in/bag-out for commercial clients.
Specialty Industrial Cleaning

Avoid cross-contamination for your equipment, process lines, vessels, and any commercial space.





Your #1 Choice For 
Ensuring Indoor Environmental Quality

With our licensed, certified & experienced team, we take extra measured to ensure that your indoor quality is covered from the top to bottom. Our experience in rodent & bat feces & mold remediation is unrivaled in the local area. We can clean your duct systems, perform repairs and offer industrial cleaning for specialty clients that reduce the downtime for your business so you can get back to work. We offer free estimates on all of our services and ensure an affordable price.

  • Fully Licensed & Certified
  • A+ Business Rating
  • Reliable Results
  • Professional Service






See What Our Happy Clients Have Said About Us




They showed up on time did the work, were friendly while here. Cost was reasonable.




Hopkington, MA



Polite, efficient service from Marcelo (I hope I got his name right!). Finished on time and left the place clean and neat.



Wellesley, MA



The 2 workers today were beyond excellent and the job done exceeded expectations.




Norwood, MA


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