About Kleen-Tech
Kleen-Tech is a Chemicals & Materials company based in Denver (United States) founded in 1990, and was acquired by Rainier Partners in September 2025. It offers reliable janitorial services for businesses, government, and specialty facilities nationwide. It operates on a B2B model in Chemicals & Materials and Government & Social Sector sectors. Kleen-Tech has completed 2 acquisitions, including National Facility Services and Sentinel Maintenance. Kleen-Tech offers products and services including Janitorial Services, Government Cleaning, and Specialty Services. Its focus areas include Services, Cleaning and Maintenance, Janitorial and Commercial. Its legal entity is Kleen-Tech Services, LLC. Its competitors include Sweeping Corporation of America, Jan-Pro Franchising and Kept Companies.
Company details
Kleen-Tech Services, LLC, based in Denver, Colorado, delivers comprehensive janitorial and cleaning services focused on commercial, government, and specialty sectors. They emphasize reliable disinfection, detailed maintenance, and consistent performance to ensure facilities feel clean and welcoming. With a commitment to customer partnerships and transparency through proprietary systems, they serve clients across the United States, prioritizing efficiency and long-term relationships.
- Headquarters Denver, United States
- Stage Acquired
- SectorsChemicals & MaterialsGovernment & Social Sector
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- Website kleen-tech.com
- Acquired by Rainier Partners (Sep 2025)
- Legal Name Kleen-Tech Services, Llc
- Investors
- Investments & AcquisitionsNational Facility Services
& 1 more
- Acquired byRainier Partners
(Sep 2025)
Products & Services of Kleen-Tech
Kleen-Tech offers a comprehensive portfolio of products and services, including Janitorial Services, Government Cleaning, and Specialty Services.
Professional cleaning and maintenance for commercial facilities
Secure cleaning services for government and public buildings
Tailored cleaning for unique facilities like labs and airports
Investors in Kleen-Tech
Kleen-Tech has secured backing from 1 investor, including venture fund investors. Prominent investors backing the company include Rainier Partners.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Rainier Partners is engaged in private equity investments. | rainierpartners.com | Seattle, United States |
Investor details for Kleen-Tech
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People of Kleen-Tech
5 people are tracked at Kleen-Tech (3 in leadership, 2 in team).
| Name | Role | Group |
|---|---|---|
James Vaughan | President and CEO | Leadership |
Karl Y. | Chief Integration Officer | Leadership |
Mark Assise | Chief Financial Officer | Leadership |
Derek Abrams | Human Resources Manager | Team |
Geraldine Guerrero | Accountant | Team |
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Investments & Acquisitions by Kleen-Tech
Kleen-Tech has strategically engaged in corporate development activities, having acquired 2 companies. Notable acquisitions include National Facility Services and Sentinel Maintenance.
| Company Name | Description | Domain | Location | Founded | Acquired | Amount |
|---|---|---|---|---|---|---|
Diversified facility management services have been provided since 1987. | sentinelmaintenance.com | Denver, United States | 1987 | Oct 2021 | β’β’β’β’ | |
Commercial cleaning services are provided to businesses and facilities. | nationalfacilityservices.com | Pompano Beach, United States | 2015 | Sep 2020 | β’β’β’β’ |
Complete acquisition details for Kleen-Tech
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Timeline of Kleen-Tech
4 dated milestones of Kleen-Tech across 35 years, from founding to its latest funding, stage changes and deals.
- Founded Kleen-Tech is founded.
- Acquisition Acquires National Facility Services.
- Acquisition Acquires Sentinel Maintenance.
- Exit Acquired by Rainier Partners.
Competitors of Kleen-Tech
Kleen-Tech has 3 listed competitors in our database. They include Sweeping Corporation of America, Jan-Pro Franchising and Kept Companies.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| sweepingcorp.com | 1998 | Cleveland, United States | 46 | Sweeping equipment is manufactured and industrial cleaning solutions are provided. | ||
| jan-pro.com | 1991 | Alpharetta, United States | Provider of commercial cleaning services | |||
| keptcompanies.com | 1973 | Fairfield, United States | Commercial cleaning services are provided to businesses by Kept Companies. |
Detailed competitors of Kleen-Tech
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Top companies in Industrial & Specialty Cleaning Solutions
3 companies that operate in the same segment as Kleen-Tech (Industrial & Specialty Cleaning Solutions) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Contamination control solutions for high-tech manufacturing are provided. | 1998 | Hayward, California, United States | USD 28.75 M | 650 | ||
Specialty chemicals are manufactured by GEO in the United States. | 1993 | Ambler, Pennsylvania, United States | USD 14.98 M | |||
Swimming pool cleaning chemicals are manufactured by Orenda Technologies. | 2010 | Mckinney, Texas, United States |
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Related news about Kleen-Tech
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Frequently Asked Questions about Kleen-Tech
Kleen-Tech was founded in 1990.
Kleen-Tech is headquartered in Denver, United States. It is registered at Denver, Colorado, United States.
Kleen-Tech Services, LLC, based in Denver, Colorado, delivers comprehensive janitorial and cleaning services focused on commercial, government, and specialty sectors. They emphasize reliable disinfection, detailed maintenance, and consistent performance to ensure facilities feel clean and welcoming. With a commitment to customer partnerships and transparency through proprietary systems, they serve clients across the United States, prioritizing efficiency and long-term relationships.
Kleen-Tech's top competitors include Sweeping Corporation of America, Jan-Pro Franchising and Kept Companies.
Kleen-Tech offers Janitorial Services, Government Cleaning, and Specialty Services.
Kleen-Tech has made 2 acquisitions, including National Facility Services, and Sentinel Maintenance.
Kleen-Tech has 1 investor. Key investors include Rainier Partners.
Kleen-Tech operates through Kleen-Tech Services, Llc.
Yes. Kleen-Tech was acquired by Rainier Partners in September 2025.

