Office cleaning is crucial for maintaining a healthy and productive work environment, and companies in Connecticut have a plethora of experienced and professional options to choose from. These firms offer a wide array of services including daily or occasional professional cleaning, encompassing carpet, window and floors, emergency services and even green cleaning. High level expertise, expansive service offerings, and commitment to customer needs are the hallmarks of these firms. The industry continues to evolve, incorporating new technologies for even more efficient and environmentally friendly cleaning options.


Top 25 office cleaning companies in Connecticut

1. Performance Environmental Services, LLC

Performance Environmental Services is a privately owned building services company that has been providing professional cleaning and general maintenance services for over 30 years. They offer a wide range of services including green cleaning, day cleaning, construction cleaning, emergency services, carpet and hard floors cleaning, and specialty cleaning for commercial offices, corporate offices, residential communities, government facilities, healthcare facilities, educational institutions, financial institutions, retail establishments, and industrial and manufacturing facilities. They prioritize reliability, professionalism, and cost-effectiveness in their cleaning and maintenance services.


2. Unger Enterprises, LLC.

  • Website: ungerglobal.com
  • Headquarters: Bridgeport, Connecticut, United States
  • Founded: 1964
  • Headcount: 501-1000
  • LinkedIn

Unger Global is a company that specializes in providing cleaning tools and solutions for various industries. They offer a wide range of products such as cleaning brushes, window and glass cleaning kits, floor and surface cleaning tools, and indoor air quality tools. Trusted by cleaning professionals worldwide, Unger Global aims to make cleaning tasks easier, safer, and more efficient.


3. 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.


4. 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.


5. 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.


6. Belle Home Housecleaning LLC

  • Website: bellehome.net
  • Headquarters: Milford, Connecticut, United States
  • Founded: 2005
  • Headcount: 11-50
  • LinkedIn

Belle Home is a house cleaning company in Connecticut that offers a range of services including house cleaning, maid service, move in/out cleaning, office cleaning, and post-construction cleaning. They provide personalized housecleaning services with a focus on customer satisfaction and use eco-friendly products.


7. 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.


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. Preferred Maintenance

  • Website: prefmaint.com
  • Headquarters: Danbury, Connecticut, United States
  • Headcount: 51-200

Preferred Maintenance Inc is a reliable commercial cleaning service company based in Danbury, Connecticut. They provide green cleaning solutions tailored to meet the unique needs of various industries, including medical facilities, office spaces, and manufacturing plants.


10. 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.


11. Top To Bottom Cleaning Services, LLC

Top to Bottom Cleaning Services is a highly rated professional cleaning company in CT that offers commercial, office, residential, maid, and janitorial cleaning services. They provide a thorough, reliable, and customized cleaning routine that fits your home or business needs.


12. 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.


13. 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.


14. Dynamic Cleaning Service

At Dynamic Cleaning Service our goal is to provide reliable quality and affordable sanitation solutions for every home, business and institution we serve. We understand that every job we do is unique and we will consult with you to create a detailed schedule that fits your needs, whether you need a one time spring cleaning, special event cleaning, or daily/weekly/biweekly/monthly cleaning. This type of attention and personalized services is what has endeared us to our long standing clients in the Farmington area. Dynamic Cleaning Service was established in 1995 to provide high quality cleaning services to Farmington area residents and businesses. We take great pride in what we do; therefore, we direct our attention to details and reliability when performing our services. We believe that every element of the cleaning job, no matter how small, contributes to the overall quality of our service. Our people are our greatest asset. The cleaning industry in general is notorious for high turnover of staff, while at Dynamic Cleaning Service we have many staff members who have been with us since day one. We treat our people right which translates into higher job satisfaction and consistent quality service for the client. The safety of your home or business is always a priority, and all of our staff is bonded, insured, and supervised to maintain the highest security standards. Dynamic Cleaning Service services residential clients as well as a wide variety of industries and businesses including but not limited to: Office Buildings and Suites Schools and Daycare Facilities Gyms and Recreational Facilities Health Care Facilities and Medical Offices Shopping Centers Banks and Credit Unions Industrial Complexes and Warehouses Construction Cleaning Residential Cleaning Contact Dynamic Cleaning Service today to learn more about all of our janitorial services and receive a quote.


15. 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


16. 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!


17. Clean Experts

  • Website: cleanexperts.net
  • Headquarters: Shelton, Connecticut, United States
  • Headcount: 1-10

Clean Experts is a company that operates in the Information Technology and Services industry. It employs 6-10 people and has $0M-$1M of revenue. The company is headquartered in Shelton, Connecticut.


18. Web.com Group

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19. Everneat

Getting your space cleaned should be simple. At Everneat, we clean and detox your space and keep it that way, so you can clear your mind and focus on what matters most.


20. All Cleaning &a; Maintenance

All Cleaning & Maintenance LLC is a House Cleaner serving the Danbury, Connecticut area. To learn more, call (203) 297-9277.


21. 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.


22. A Better View Cleaning

A Better View Cleaning is a professional window cleaning and commercial cleaning company in the Connecticut community that offers exceptional and reliable service.


23. 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.


24. 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.


25. 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.


Want to find more office cleaning companies?


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...and a lot more!