- Detecon
- de Jong & Laan
- Davidson consulting
- Dalberg
- d-fine
- CXG
- Credera
- Control Risks
- Chain IQ Group AG
- Carnall Farrar
- Centric Consulting
- Campana & Schott
- Brunswick Group
- Bosch Service Solutions
- BMT
- Berenschot
- Be | Shaping the Future
- Becker Büttner Held
- BDO Switzerland
- BDO France
- Baringa Partners
- Baker Tilly
- ATS Global
- ARMONIA
- Argon & Co
- Archery Strategy Consulting
- APCO
- Apave
- Anthesis Group
- Ankura
- Altman Solon
- Alpha FMC
- Adone Conseil
- adesso business consulting AG
- Accountor Suomi
- ABS Consulting
- ۱۸۹۸ & Co
- Strategy&
- Simon-Kucher & Partners
- Oliver Wyman
- L.E.K. Consulting
- BearingPoint
- Alvarez & Marsal
- AlixPartners
- PwC
- Kearney
- EY (Ernst & Young)
- Capgemini Invent
- Booz Allen Hamilton
- Arthur D. Little
- Accenture
- BCG
- بین(Bain)
- دیلویت
- رولندبرگر
- مک کینزی