Commercial & Janitorial
Offices, medical practices, retail, multi-tenant buildings, and new construction, one accountable provider, one documented standard, tailored to how your space actually runs.
One partner, every space
For over 20 years, GSJ has kept commercial spaces across Massachusetts clean, compliant, and presentable. We're structured for the people responsible for the building, insured, documented, and easy to reach, so cleaning becomes one less thing you have to manage.
Our programs
Each program comes with the right team, protocols, and schedule for the space it serves.
Corporate and professional offices kept presentable and productive, cleaned around your hours.
Learn moreClinics, dental, and medical offices disinfected to healthcare-grade standards with documentation.
Learn moreRecurring day-porter and after-hours janitorial for consistently clean, high-traffic facilities.
Learn moreStorefronts and showrooms that stay spotless and protect the brand your customers see.
Learn moreLobbies, hallways, and shared spaces maintained for tenants across single or multiple properties.
Learn moreFine-dust and debris removal that delivers a move-in-ready space on your handover date.
Learn moreWhat every program includes
A written checklist per area, so nothing is left to interpretation.
Scheduled walkthroughs keep results consistent and catch issues early.
One account manager who knows your site and answers directly.
Certificates of insurance provided on request for your records.
Simple onboarding
Share your facility details. We respond within 24 hours.
We evaluate scope, traffic, and compliance needs in person.
A transparent scope and price, no surprises, no filler.
Your team delivers on schedule, backed by inspections.
Let's talk
Free walkthrough, clear scope, and a price you can plan around, within 48 hours.