List of former consulting firms

This is a list of notable former consulting firms.

Former design and engineering consulting firms

• Birdsall Services Group
• Hyder Consulting
• Merz & McLellan
• Parkman Group
• Sinclair Knight Merz

Former industrial design firms

• Lunar Design^[1][2]

Former digital and IT consulting firms

• American Management Systems
• Cambridge Technology Partners
• American Management Systems
• Computer Sciences Corporation
• Covansys Corporation
• Diamond Management & Technology Consultants
• Hitachi Consulting
• Logica
• MarchFirst
• Mahindra Satyam
• Perot Systems
• Razorfish
• Sapient Consulting
• SapientNitro
• SapientRazorfish
• Scient
• USWeb
• Viant
• Whittman-Hart

Former cyber security consulting firms

• Mandiant

Former economics consulting firms

• Data Resources Inc.
• Wharton Econometric Forecasting Associates

Former human resource consulting firms

• Towers Perrin
• Watson Wyatt Worldwide

Former management consulting firms

• Andersen Consulting^[3]
• Arthur Andersen
• Mercer Management Consulting
• Monitor^[4]
• Navigant Consulting
• Sweett Group

Former political consulting firms

• Cambridge Analytica

Former research and analysis firms

• Business International Corporation
• CNW Marketing Research
• Compete.com
• Data Resources Inc.
• EcoWin
• Global Business Network
• Micropal
• Research International
• Wharton Econometric Forecasting Associates
• Yankee Group

Former risk management consulting firms

• Towers Watson

References

1. "Consulting Giant McKinsey Buys Itself a Top Design Firm". Wired. 2015-05-14. Archived from the original on 2023-04-29.
2. McKinsey acquires design firm Lunar for digital transformation
3. Martin, Mitchell (8 August 2000). "Arbitrator's Ruling Goes Against Accounting Arm : Consultants Win Battle Of Andersen". The New York Times. New York City. Retrieved 25 March 2020.
4. "Monitor Company files for Chapter 11; Deloitte to buy assets". Reuters. 8 November 2012. Retrieved 25 Mar 2020.

List of former consulting firms