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 == 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 Wharton Econometric Forecasting Associates == Former human resource consulting firms == Towers Perrin Watson Wyatt Worldwide == Former management consulting firms == Andersen Consulting Arthur Andersen Mercer Management Consulting Monitor 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.

Source: Wikipedia — List of former consulting firms (CC BY-SA 4.0)