The commercial cleaning industry in Connecticut is a bustling network of companies providing essential facility services. Ranging from janitorial solutions to in-depth facility maintenance, these firms cater to a variety of businesses statewide and beyond. Their offerings, often comprehensive, encompass everyday cleaning, landscape maintenance, and office moving services. With an emphasis on reliability, customer service, and underpinned by the skilled workforce they employ, these businesses have garnered a measure of trust and reputation. The industry, witnessing steady growth, is set to adapt to evolving cleaning and sanitation standards, especially in the post-pandemic business environment.


Top 23 commercial cleaning companies in Connecticut

1. Building ONE Facility Services, LLC

Building One Facility Services, LLC (Building One) is a janitorial and facility services company that has earned the trust of clients in New England and the Tri-State area by combining the resources of a large company with the attention and individuality of a smaller one. Our reliable and highly skilled local workforce operates within your schedule to deliver the very best services on time and on budget. We provide our staff with ongoing training, supplies and state of the art equipment to get your cleaning and maintenance projects completed to your satisfaction.


2. Horizon Services Company

  • Website: horizonsvcs.com
  • Headquarters: East Hartford, Connecticut, United States
  • Founded: 1991
  • Headcount: 201-500
  • LinkedIn

Horizon Services Company is New England's leader in facility cleaning services. To our customers we are a single source services provider capable of delivering industry leading facility services and professional construction management & labor. Horizon Services Corporation is comprised of: Horizon Facility & Maintenance Services: ISSA Certified contract cleaning solutions including janitorial services & special project services, landscaping & general maintenance. Horizon Office: Superior quality office furnishings and professional moving services for corporate environments. HS Supply: Janitorial & MRO supply.


3. Charter Oak Building Maintenance, Inc.

  • Website: cobm.net
  • Headquarters: Hartford, Connecticut, United States
  • Founded: 1988
  • Headcount: 201-500
  • LinkedIn

COBM has been servicing Connecticut, Massachusetts and Rhode Island since 1988 with a management team comprising over 75 years of experience in Commercial Housekeeping Services.


4. Adams & Adams Building Services INC

Adams and Adams Building Services, Inc. is a commercial cleaning and janitorial services company that has been serving Connecticut and Western Massachusetts since 1981. They specialize in office cleaning and industrial janitorial services and take pride in their exceptional team of highly trained cleaning specialists, supervisors, and managers who care for millions of square feet of office, factory, school, and warehouse space.


5. Clover Commercial Cleaning

Clover Commercial Cleaning is a professional cleaning company serving Southwestern Connecticut. They have a reputation for providing great care to both clients and employees with long term relationships. They offer environmentally friendly cleaning services with a commitment to outstanding service.


6. Burgos Cleaning Service, LLC

Burgos Cleaning Service provides commercial cleaning, janitorial, and office cleaning services to businesses in Connecticut and its surrounding states. They offer window washing, tile cleaning, carpet cleaning, and water damage restoration among other services. Their professional trained staff ensures 100% satisfaction and works with each business to develop a unique schedule and plan tailored to their facility needs.


7. CVG Specialized Cleaning Inc.

CVG Specialized Cleaning offers cleaning, sanitizing and disinfecting services for offices and facilities in New England and beyond. With CMI certification and the latest technology in electrostatic spraying and EPA-registered disinfectant, they ensure the highest level of cleanliness in every surface from concrete floors to tile entry ways.


8. Certified Plus Janitorial Service LLC.

Certified Plus Janitorial Services is a leading office cleaning service in North Haven & New Haven, CT, offering commercial cleaning and janitorial services for carpets, upholstery, floors, ceiling and wall restoration, and more.


9. Stanker Corporation

Stankercorp.com is a cleaning services company that specializes in residential, commercial, and small business cleaning, including medical doctor offices and houses of worship. They offer disinfectant and sanitizing cleaning services, restroom sanitization and cleaning, and use the Clorox Total 360 system.


10. Redstone Maintenance Service

Redstone Maintenance Services is a janitorial service provider offering cleaning services for businesses, including office buildings, stores, banks, and manufacturing facilities. They provide comprehensive insurance coverage and use the latest technology equipment. They have been locally owned and operated since inception in 1984.


11. ServiceMaster Janitorial Solutions

ServiceMaster Janitorial Solutions provides professional cleaning services for businesses in New Haven and Hartford, CT, with a focus on communication, accountability, and customer satisfaction.


12. ConnClean, LLC

  • Website: connclean.com
  • Headquarters: Fairfield, Connecticut, United States
  • Founded: 1999
  • Headcount: 1-10
  • LinkedIn

ConnClean is a professional and innovative residential and commercial cleaning system, offering superior cleaning services at fair and affordable prices. They provide regular maintenance cleaning services, occasional cleaning services, and specific cleaning services.


13. Maintenance Pro

Maintenance Pro LLC consistently strives to provide the most effective approach to janitorial services through the use of technologically advanced equipment and maintenance methods that actually make a difference. Call today for a free consultation and estimate (203) 787-8537.


14. Preferred Building Maintenance LLC

  • Website: pbm1.com
  • Headquarters: New Milford, Connecticut, United States
  • Founded: 1999
  • Headcount: 51-200
  • LinkedIn

Preferred Building Maintenance LLC is a professional janitorial cleaning service contractor serving businesses, health care facilities, schools, and other corporate and industry workplaces throughout Connecticut and Eastern NY.


15. Limpiex Cleaning Services, INC.

Limpiex Cleaning Service LLC is a professional cleaning company that provides quality and reliable services to residential and commercial clients in the Hamden, CT area.


16. Bucket &a; Pail Janitorial Services

  • Website: cleaningservice.bz
  • Headquarters: Milford, Connecticut, United States
  • Headcount: 1-10

Bucket & Pail Janitorial Services was formed in CT as a commercial janitorial company. Our goal is to provide New England & New York with high quality commercial cleaning at a competitive price. The single most important factor in achieving our quality goal is our personal involvement with each of our accounts. Our Objective


17. Uncle Sam's Contractors, LLC

Uncle Sam’s Contractors is a full service commercial cleaning contractor. We provide custodial cleaning services and specialize in floor maintenance: stripping, waxing, re-polishing floors, carpet & upholstery cleaning and tile & grout restoration. We understand every client has unique needs, some of our clients need day porter services, while others want us to come in after business hours. We service locations up to seven days a week, while some of our clients only need our services once a week. For a free quote and a complete proposal contact us today!


18. Orange Cleaning Services

Orange Cleaning Services provides commercial and residential cleaning services using eco-friendly cleaning products. They offer a wide range of cleaning solutions, including post-construction cleaning, power washing, decluttering, and organization.


19. Maidex Maid Service

Since opening in 1995, Maidex Maid Service, we have been able to clean for a variety of clients. From elegant homes to condos and apartments, we will clean your place of living to perfection at a cost you can afford. We offer a range of services and will take directions from the client on exactly what they want done. We are members of the Hamden Chamber of Commerce, Hamden Rotary Club and the Better Business Bureau. Our team is consistently looking for ways to better our company, and stay involved. We are continuously working with small businesses, schools and members of the community in activities and events that give back to the community.


20. Empire Maintenance Services

We're a family-owned and -operated business - always have been, always will be. We'v?e made cleaning of every variety - from residences to industrial sites - our life's work. We can also help you with home improvement and any type of facility restoration. Give us a call today and see what a difference we can make for you.


21. P & J Cleaning Service. LLC

P&J Cleaning Services offers commercial and residential cleaning, construction clean-up, power washing, water damage restoration, snow removal, and other related services, customized to meet the unique needs of each client.


22. MSL Housekeeping/Organizing Services

MSL Housekeeping and Organizing Services offers professional and efficient cleaning, sanitizing, and organizing services for homes and businesses. Their experienced team is ready to tackle any cleaning project, leaving your space looking pristine.


23. Simoniz USA, Inc.

  • Website: simoniz.com
  • Headquarters: Bolton, Connecticut, United States
  • Founded: 1911
  • Headcount: 201-500
  • LinkedIn

Simoniz is an industry-leading manufacturer of cleaning and protection products for auto dealerships, professional car washes, and providers of professional housekeeping and building maintenance services. They offer over 200 high-quality cleaners, sanitizers, detergents, and disinfectants for various applications. Their products are known for their quality, effectiveness, and measurable results in overall cleanliness and protection.


Want to find more commercial cleaning companies?


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