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William R. Griffin

William Griffin is the president of Cleaning Consultant Services, Inc. He is an industry consultant, author, and trainer with more than 35 years of experience. Contact him at or visit


November/December 2015 Bidding & Estimating

Where is the Big Money in Cleaning?

Services that warrant an extra fee

In the commercial cleaning and facilities management industries, higher-paying jobs may involve specialty services that require more training, higher risks, and a limited number of competitors.

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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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