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 2020‘
- Read more about how the survey is conducted.

IIM leading provider consultants 2020
We are pleased to share the interim service provider consultants as voted for by the interim management community in the IIM interim management survey.
The leading consultants are:
IIM provider consultant of the year 2020
Anthony Lewis – Tile Hill
IIM provider consultant of the year 2020 (runners up)
Laurence Frantzis – Interim Partners [2nd place]
Alison Rotundo – Eton Bridge Partners [3rd place]
Leading provider consultants 2020
Hugh Abbott – B2E Consulting
Natalie Allen – Practicus
Ben Cowan – Eton Bridge Partners
Toni Hall – Penna
Georgia Hartley-Brewer – Interim Partners
Claire Lauder – Boyden
Anna-Marie McGraw – Wilton & Bain
Mark Payne – Practicus
Denise Raw – Interim Partners
Jason Rommer – Wilton & Bain
Carl Stevenson – Practicus
Gavin Wingfield – Interim Partners