About the Author

Keith Mowen

Chief Executive Officer, Contract Service Solutions, LLC

Keith Mowen is the CEO of Contract Service Solutions, LLC (CSS), a certified Small Business Enterprise delivering custodial services, facilities maintenance, and logistics contracting to federal government, higher-education, and state and local government clients nationwide. CSS's federal portfolio spans facilities for agencies including DOD, NASA, USDA, the US Navy, US Army, US Air Force, and NATO, alongside university campuses and state facilities such as FDOT complexes.

Keith's operating philosophy is captured in the CSS motto — "Designed Services, Deliberate Results" — and in a standing commitment that defines the company: clients will not have the same service platform in five years that they have today, because CSS evaluates and deploys new technology proactively, without being asked. Under his leadership, CSS operates at 94% employee retention with a 96% average inspected quality score, and client relationships that average more than two full contract periods.

Areas of Expertise

APPA Staffing & Work-Loading

Bottoms-up staffing engineering using APPA production rates and cleanliness levels; the six-step methodology CSS applies to every contract.

Performance-Based Contracting

Structuring custodial contracts around measured outcomes and open-book cost transparency for public institutions.

Custodial Technology

Autonomous scrubbers and sweepers, occupancy-sensor staffing (the "Living Facility" model), and AI-enhanced scheduling and quality control.

Quality Measurement

Real-time inspection systems, ATP surface testing, slip meter and indoor air quality metrics, and root-cause deficiency correction.

Federal & Secured Facilities

Custodial operations in secured and escorted government environments with compliance and clearance requirements.

Higher Education Operations

Campus custodial programs across academic calendars, event cycles, residence-adjacent standards, and showcase spaces.

Writing & Guides

How to Choose a Custodial Services Company: An Expert's GuideVendor selection for universities and government facilities APPA Cleaning Levels ExplainedStaffing standards and work-loading for campus custodial How AI, Sensors, and Autonomous Equipment Are Changing Custodial ServicesThe Living Facility model Performance-Based & Open-Book Custodial ContractsA buyer's guide for procurement officers and CFOs

Media inquiries, speaking, RFP questions, or an honest assessment of your custodial program:
kmowen@cssfl.net · (727) 648-6272

Contact Keith