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We Proudly Serve Northeastern United States


Executive & Leadership

Meet the leadership team who is hands-on in servicing your business - and a key reason why Horizon Services Company delivers quality Janitorial Cleaning.


Stay up to date on what's happening at Horizon Services Company. Industry events, and facility management news.

Cleaning Vehicle

Company History

Horizon Services Company started in 1991 as Horizon Industrial Services, a commercial cleaning contractor operating out of a warehouse located on North Main Street in Manchester, Connecticut.


Commercial cleaning is what we do. Facilities management expertise is what we sell. Horizon Services Company has been an industry leader in the commercial cleaning business for over 25 years. Our hassle-free commercial cleaning solutions deliver the highest level of cleanliness and customer service in the industry.

Our versatile business model gives us the flexibility to provide cleaning services to large-scale Fortune 500 companies as well as small to mid-sized businesses and organizations. Horizon Services Company provides cleaning services for office buildings, municipal agencies, government buildings, educational institutions, laboratories, manufacturing plants, medical facilities, stadiums, event venues, large-scale warehouses, distribution centers, and property management firms.

Horizon Services Company also provides post construction final cleaning services and progress cleaning labor resources for general contractors. Our post construction division specializes in construction site cleanup procedures and all staff members receive construction site OSHA compliant safety training. 

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The Face of

Ted Hsu is the face of Horizon Services Company. Ted established Horizon in 1991. In 1994, Horizon Services Corporation was incorporated into the current entity it is today.

Ted Hsu is a Certified Building Services Executive (CBSE) with the BSC.


Personally, Ted is an outdoors activity enthusiast of many dimensions. He is committed to the importance of local business and is involved in local initiatives like CT Pledge.


Ted believes that he has the best job in the world, which he defines as working in your best capacity to make the greatest impact. He has been able to do this for 30 years by leading Horizon.


He leads with the idea; "What did you do today to improve the world?"


Since 2000, Ted has engaged in continual education towards advancing service levels in the building services industry at Dartmouth-Tuck school, Harvard Business School, and Carnegie Mellon University.


Ted’s continual research efforts have been towards career development plans, labor force evolution, work motivation, and hyper-local & network effects; these results have been at the core of service programs operating at millions of square feet of commercial space.


In the early days of the 90s and 2000s were seminal periods for Horizon in servicing corporate headquarters of the nation’s well-known names, still at the time based in New England. Some of the earliest best practices were established and continued to this day.


Along with Horizon’s work with nonprofits and educational institutions, our contribution in time and resources to the New England market has been numerous.


Please continue to explore our site and reach out to our founder with your thoughts at:


MORE Company History

Horizon Services Company started in 1991 as Horizon Industrial Services, a commercial cleaning contractor operating out of a warehouse located on North Main Street in Manchester, Connecticut. Over the next three decades, Horizon Services grew. Quality cleaning services were in high demand. Rapid company growth led to a new business model, a company-wide reorganization.

In 1994, Horizon Services Corporation (dba Horizon Services Company) was born. Under the leadership of President and CEO, Ted Hsu, Horizon Services Company quickly outgrew its warehouse location in Manchester.

In 2000, the corporate headquarters was moved to 250 Governor Street in East Hartford, Connecticut, where Horizon Services Company resides today and continues to operate its successful commercial cleaning business.

In 2005, new Branch Offices through New England states were established, servicing clients across the North East.

In 2010, Branch Offices expanded, establishing locations throughout the United States to service clients.

Horizon Services Company attributes its rapid growth to its dedication to quality assurance, continuous process improvement, and by consistently maintaining a high management-to-staff ratio. Horizon Services Company’s service-oriented business model ensures our customers receive consistent and continuous high-quality cleaning services. Horizon's remarkable growth in the past decade is a direct reflection of the quality of our cleaning services and the professionalism of our cleaning technicians, managers, and customer service personnel.


Horizon Services Company’s proven quality assurance program and service-oriented business model ensures every customer is given the same personal attention and high-quality cleaning services. While we have the privilege to work with many Fortune 500 companies and large corporations, we pride ourselves on the ability to extend the same level of customer service to all our clients no matter the size of the organization or facility we service.

Today, Horizon Services Company continues to grow and expand providing commercial contract cleaning, facilities management, and building maintenance services throughout the United States east coast. Horizon Services Company’s impeccable facilities services allow our customers to focus on running their businesses while we maintain a clean, safe work environment for their employees and customers.  

News & articles

Certifications & Awards


  • ABC STEP Award 2017 (Associated Builders and Contractors, Inc.)

    • Silver level safety achievement award


    • Supplier of the Year Award 2017

    • Empowerment Award 2013

  • Inc Magazine IC 100

    • April 26th, 2001

    • April 24th, 2002

    • April 24th, 2003

  • Small Business Administration Business Person of the Year, Ted Hsu (2x)

  • State of Connecticut IC 100

    • Year 2002

    • Year 2003

Horizon Services Company is a proud member of the Greater New England Minority Supplier Development Council (GNEMSDC)* and the National Minority Supplier Development Council (NMSDC).