What are the Top Workforce Planning Firms in the United Kingdom 2026-2027?
Specialists forecasting talent needs and planning headcount. Compare verified providers in the United Kingdom, see typical 2026-2027 pricing and use our checklist to pick the right partner.
Companies based in the United Kingdom only: established HR Consulting & Outsourcing firms based in the United Kingdom selected by the iCreativez research team. International providers are shown separately below and are not counted as local.
Companies based in the United Kingdom
- 1
WTW
London, United Kingdom
Why listed: established firm with an office in the United Kingdom, selected by the iCreativez research team for its scale and track record.
International firms to consider for the United Kingdom
Headquartered outside the United Kingdom or working remotely, so not counted in the local list above. Some work with clients in the United Kingdom through regional offices, partners or remote teams; check coverage before you shortlist.
- 2
Mercer
Headquarters: New York, USA
Why listed: Established HR Consulting & Outsourcing firm operating internationally.
- 3
Aon
Headquarters: Dublin, Ireland
Why listed: Established HR Consulting & Outsourcing firm operating internationally.
- 4
ADP
Headquarters: Roseland, New Jersey, USA
Why listed: Established HR Consulting & Outsourcing firm operating internationally.
- 5
Korn Ferry
Headquarters: Los Angeles, USA
Why listed: Established HR Consulting & Outsourcing firm operating internationally.
About Workforce Planning providers
Specialists forecasting talent needs and planning headcount.
HR consultants and outsourcing firms improve how you hire, pay, develop and keep people. They're especially valuable for growing companies without a full HR team.
In the United Kingdom, Workforce Planning Firms are concentrated around London, Manchester, Birmingham, Edinburgh and Bristol. Local rates sit at the upper end of the global ranges, so many buyers in the United Kingdom pair a local lead with nearshore or offshore delivery to manage cost. For regulated services, always confirm the provider is licensed to operate in the United Kingdom.
How to choose the best Workforce Planning Firms in 2026-2027
- Ask about scenario modelling.
- Ask about employment law expertise in your countries.
- Check HR technology they recommend or support.
- Ask for measurable outcomes like reduced turnover.
What does it cost?
HR consulting commonly costs $100-$300 per hour; HR outsourcing and PEO services often cost $50-$150 per employee per month.
Before you sign
Ask for a written proposal with scope, milestones, team members and exit terms, and speak to at least one current client of each shortlisted provider.
Related HR Consulting & Outsourcing lists
Popular lists
Workforce Planning Firms by country
Frequently asked questions
What are the top Workforce Planning Firms in 2026-2027?
Our 2026-2027 shortlist of Workforce Planning Firms includes verified providers such as GENTY recruitment, Linkus Group Recruitment Redefined., SYLEKA, Mercer, WTW. Use the country selector to see only firms based in your country.
What do Workforce Planning Firms do?
Specialists forecasting talent needs and planning headcount. HR consultants and outsourcing firms improve how you hire, pay, develop and keep people.
How much do Workforce Planning services cost in 2026-2027?
HR consulting commonly costs $100-$300 per hour; HR outsourcing and PEO services often cost $50-$150 per employee per month. Prices vary by scope, seniority and location, so ask at least three providers for written proposals.
How do I choose the right Workforce Planning Firm?
Ask about scenario modelling. Ask about employment law expertise in your countries. Check HR technology they recommend or support.
How were these Workforce Planning Firms selected?
The worldwide view lists Clutch-verified specialists (registered businesses independently verified on Clutch with working websites, ordered by verified client reviews as of November 2026) and established industry leaders. When you choose a country, the main list shows only companies based in that country or with an office there: Clutch-verified firms with a local office, plus established local firms selected by the iCreativez research team. International firms are shown in a separate, labelled section. Inclusion is free and not paid for.
How this list is compiled
Worldwide view: Clutch-verified specialists (registered businesses independently verified on Clutch with a working website, ordered by their number of verified client reviews) followed by established industry leaders. Country view: the main list is strictly local. It shows only Clutch-verified firms with an office in the selected country and established firms based in that country that the iCreativez research team selected for their scale and track record. Large international firms and remote teams that serve the country appear in a separate, labelled section and are never counted as local. Where we have not yet verified enough local firms, the page says so instead of padding the list. Minimum project size, hourly rates and team size are as published by each company in November 2026. Inclusion is free and not paid for. Providers can request a review via our contact page.