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William R. Griffin

William (Bill) Griffin is the president of Cleaning Consultant Services Inc. and president of the International Custodial Advisors Network (ICAN). ICAN is a nonprofit association comprised of industry professionals providing free consultation services through the Cleaning Management Institute (CMI) and their Ask The Experts page. Comments and questions about bidding and estimating are encouraged: (206) 849-0179 or


September 2015 Bidding & Estimating

Trends and Pricing Pitfalls

An interview with Gary Clipperton

This month I had the opportunity to interview Gary Clipperton, president of National Pro Clean Corp. Clipperton is a 40-year industry veteran who provides consulting services for small- to medium-sized cleaning contractors.

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April 2015 Bidding & Estimating

The Business of Hard Floor Care

Pricing tips to help boost profits and prevent loss

Hard floor care is one of the most profitable service specialties, and is often an automatic add-on for janitorial and residential cleaning services if they ask for the work.

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