For 25+ years, many of the world’s largest companies and best-known brands have chosen Spencer Thomas to guide them through their HCM journey. Our four-stage methodology will save you valuable time at any stage of your journey. From vendor selection, planning, and implementation to post-go-live, Spencer Thomas has seen and done it all. Transformation, Organizational Change Management, IT Strategy, or Program and Project Management services, we apply the right subject matter expertise to address your business needs.
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Spencer Thomas Questions
The Spencer Thomas annual revenue was $7.5 million in 2026.
Barbara Cassidy is the President of Spencer Thomas.
106 people are employed at Spencer Thomas.
Spencer Thomas is based in Portsmouth, New Hampshire.
The NAICS codes for Spencer Thomas are [54161, 541611, 54, 5416, 541].
The SIC codes for Spencer Thomas are [874, 87].
Top Spencer Thomas Employees
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Barbara Cassidy
President at Spencer Thomas
Boston, MA, US25+ -
Bill Cassidy
Executive Vice President, Strategy and Growth at Spencer Thomas
Portsmouth, NH, US24 -
23
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33
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Bob Cahill
Vice President Of Worldwide Sales at Spencer Thomas
South Berwick, ME, US55+ -
21
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Chris Klein
EVP, Vision and HCM Solutions at Spencer Thomas
Bradenton, FL, US23 -
Trish Gray
Vice President of Sales at Spencer Thomas
Boston, MA, US1 -
Kelly Mangum
Vice President Marketing at Spencer Thomas
Portsmouth, NH, US25
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