Leading interim service providers
These are the IIM’s “Leading Interim Service Providers” listed in four tiers from Platinum, through Gold, Silver and Bronze (16 Providers in each).
Based on over 40,000 individual votes, we offer this ranking as a credible list of excellence in interim service provision and commend it to professional interim managers and executives to use.
- The provider title links and logo boxes go to the Providers’ websites.
- Read the IIM’s: Interim Management Survey 2021
- Read more about how the survey is conducted.

33. Campbell Tickell – (Previously: 47/49/52/65-new)
Multi-disciplinary management consultancy focusing primarily on statutory and not-for-profit sectors.
34. Barracuda – (Previously: 35/33/33/54)
Barracuda Interim is a specialist retail Interim provider servicing the sector
36. Alpine Interim – (Previously: 31/37/36/40)
All disciplines in mainly central government, local government and health at the senior end of the market.
37. Valtus – (Previously Alium Partners: 37/43/38/24)
Sectors: Public & Private; Functions: Finance, HR, IT, Operations, Business Transformation, Supply Chain, Procurement; industries: All industries; Location: UK & International.
38. Blenkin Associates – (Previously: 33/46/56/46)
Recruitment and consultancy business to Healthcare.
39. Hoggett Bowers – (Previously: 43/36/39/31)
Executive, Project Mgt and Turnaround. London, Manchester & Nationwide.
40. InterQuest Group – (Previously: 34/35/41/38)
Focus on jobs within Digital (Digital by default, Web Ops, Agile, UX & User Research) Technology (IT, Development, support), ERP (SAP, Oracle, Agresso), Telecoms, Information Security (InfoSec), Analytics (BI, IM, DWH), Procurement, Commissioning, Finance, Transformation & Change.
43. Alumni/Harvey Nash – (Previously Impact Executives: 42/30/28/26/21)
Multiple sectors and disciplines. Nationwide.
44. Morgan Hunt – (Previously: 45/38/45/27)
Public sector recruiters across a range of disciplines and sectors.
45. Chilworth Partnership – (Previously: 28/31/40/52)
Focusing on Executive Search and Interim Management in the financial sector.
47. Deltra – (Previously: 59/new entry).
Programme, project, and change professionals for business and IT transformation.
48. Xylem Resourcing – (Previously: 64 new entry)
Specialist resourcing and delivery partner to the Healthcare sector.