About Us

Kelly’s Janitorial Service, Inc. (Kelly’s) is a family-owned and operated janitorial service founded by Mary and Kelly J. McKithen in 1960. Driven by their fundamental principles of service, reliability, high quality, Kelly gained many referrals and access to corporate clients which enabled their expansion from floor-cleaning specialty services to various private cleaning services for numerous business executives.

Today, with more than 5O years of outstanding service to the New York and Philadelphia Metro areas, we continue to go the extra-mile for your commercial spaces with our personal touch. Our full-service janitorial company, headquartered in Trenton, NJ, provides quality cleaning, building and grounds maintenance for corporate, commercial, and governmental clients.

Learn more about our Victory Electrostatic Sprayer

Our goal is to provide 100% satisfaction to our clients, which has been the hallmark of our company since our inception. Our expert cleaning professionals deliver outstanding results and our supervisors
make frequent on-site visits and are easily reached if you have additional needs.

Our commitment to superior service that meet our clients’ needs and budget has helped us grow into a company that employs more than 150 proactive employees who are highly trained to use state-of-the-art equipment, (EcoLogo Certified?) cleaning products that are environmentally friendly and not harmful to children or animals.

Our highly trained and well-supervised staff uses state-of-the-art equipment and environmentally friendly cleaning products. Our supervisors make frequent on-site visits and are easily reached if you have additional needs.

Professional services include:

  • Commercial Office Cleaning
  • Floor Maintenance
  • Carpet Cleaning
  • Window Washing
  • Construction Cleaning
  • Grounds Maintenance
Learn more about Kelly’s Quality Assurance program.


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