Aon
Investment consultants advise insurers on strategy, asset allocation and manager research, part of $4tn advised globally.
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Consultants
13 listedInvestment, actuarial and capital advisers to insurers and reinsurers, spanning investment strategy, ALM, reserving and regulatory advice.
Barnett Waddingham (now part of Howden)
UK actuarial and insurance consultancy acquired by Howden Group (closed March 2025); as of mid-2026 still trading and branded as Barnett Waddingham, with rebrand to the Howden name planned for autumn 2026.
Insurance team contact
Deloitte
Network of 1,300+ actuaries providing Actuarial & Insurance Solutions covering capital, risk, reserving and finance for life, health and P&C insurers.
Insurance team contact
EY
24,500 dedicated insurance professionals across 120 markets advising on capital management, finance/actuarial transformation and investment decisions.
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Hymans Robertson
Insurance and Financial Services (IFS) investment/ALM consulting practice; this team has been acquired by and is now part of Howden Group, while Hymans Robertson's core pensions and actuarial business remains independent.
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KPMG
Global network providing actuarial services and insurance risk regulatory advisory, led by a Global Leader of Regulatory and Risk Advisory.
Insurance team contact
LCP (Lane Clark & Peacock)
Insurance practice advises insurers on actuarial, risk, capital and regulatory matters; its InsurSight platform covers £150bn+ of reserves.
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Mercer
Advises insurers globally, citing $16.2 trillion in assets under advisement and $846 billion under delegated management.
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Milliman
Actuarial consultancy (est. 1947) providing life & annuity financial risk management, hedging, and investment advisory across market cycles.
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Oliver Wyman
Actuarial consulting practice of over 600 professionals, including 300 credentialed actuaries across 41 locations, advising on life, P&C and health risk.
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PwC
Actuarial practice offering reserving, M&A due diligence, exit solutions and capital modelling advisory to life, health and non-life insurers.
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Redington (now part of Gallagher)
Now Gallagher's investment consulting division, advising institutional investors on ALM and portfolio strategy across £600bn+ of assets.
Insurance team contact
WTW (Willis Towers Watson)
Dedicated insurance investment team advising life, P&C insurers, reinsurers and Lloyd's syndicates on investment strategy and ALM.
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