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The Institute of Interim Management has announced its Leading Interim Management Service Providers for 2026, as voted for by professionals in this year’s Interim Management Annual Survey.
The annual rankings recognise excellence across the sector and highlight the providers most valued by the interim community. Results are listed across four tiers: Platinum, Gold, Silver and Bronze, with 15 providers recognised in each tier.
A key part of the IIM’s annual survey activity, the list offers a credible and independent view of the UK interim market, shaped directly by the experiences and insight of interim managers and executives.
Each year, the Interim Management Annual Survey gives professionals the opportunity to share their views on the market, their working experiences, and the organisations that support them.
The 2026 list reflects the providers who earned recognition for the quality of their service, sector knowledge, professionalism, and contribution to successful interim assignments.
The IIM offers the rankings as a valuable reference point for professional interim managers and executives, as well as for organisations seeking to better understand the interim management landscape.
As part of the results, the IIM has also recognised individual consultants who received the highest praise from the interim community.
These individuals were highlighted for the role they play in supporting interim careers, from providing market insight and thoughtful advice to matching the right professionals with the right opportunities.
Their recognition reflects the importance of trusted relationships across the interim management sector, and the value of consultants who listen, advise, advocate and deliver consistently.
The IIM would like to thank everyone who took part in the 2026 Interim Management Annual Survey.
Every response helps build a clearer, more trusted view of the UK interim market. The insight shared through the survey contributes to industry benchmarks, highlights the realities of interim work today, and informs clients, providers and peers alike.
The IIM is now working hard to collate the wider 2026 Interim Management Survey findings, with the full report coming soon.
In the meantime, congratulations to all providers and individual consultants recognised in this year’s results, and thank you to the interim professionals who continue to support the IIM and help grow this community.
View the 2026 Leading Interim Management Service Provider rankings here.
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