IRELAND
- BDO Consulting
- Cooney Carey
- Deloitte
- Fujitsu
- Pinnacle Project Partners
- Genesis Marketing and Communications
- Grant Thornton
- Hay Group (Ireland)
- International Development Ireland (IDI)
- Mazars
- PricewaterhouseCoopers
- Prospectus Strategy Consultants
NEW ZEALAND
- Starfish Consulting Limited
THE NETHERLANDS
- WagenaarHoes
- De Beuk
- O&I, Partners in BPM
- AEF
- Domain Organisational Development Tax Administration
- Lysias Advies BV
- ProRail
- Radboudumc
- Leeuwendaal
- Twynstra Gudde
- BMC Advies
- JBR Strategy
UNITED KINGDOM
- Berkshire Consulting Ltd
- ESCIT
- LCP Consulting Ltd
- PA Consulting Group
- The Consultancy Company
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WLP