The UK insurance market is the largest in Europe and 4th globally, generating £340B in gross written premium in 2024 and employing 340,000 people. London remains the global hub for specialty and reinsurance through Lloyd's and the London Market, while composite insurers dominate domestic motor, home, and life segments. The FCA's Consumer Duty regulation, fully effective August 2024, overhauled pricing practices and value assessments across the retail insurance sector. Post-Brexit equivalence debates and Solvency UK reforms — allowing greater long-term asset investment — are reshaping capital deployment strategies for the decade ahead.
Curated by the Top10Grid editorial team. Rankings driven by community votes and updated daily.
Create a free account or sign in to join the discussion.
Sign in to join the conversation
Aviva is the UK's #1 composite insurer with £46B in GWP and net written premium in 2024, holding 16% of the UK general insurance market. Following the £5.7B acquisition of Direct Line Group completing in 2025, Aviva becomes the UK's dominant motor and home insurer. It employs 22,000 staff and holds an AM Best A (Excellent) rating with a Solvency II ratio of 197%. Aviva's health insurance book grew 15% YoY as NHS waiting lists sustained demand.
Legal & General manages £1.1T in assets and generated £93B in total revenues in 2024, dominating UK bulk annuities (pension risk transfer) with a 30%+ market share. Founded in 1836, it employs 12,000 staff and is rated AA- by S&P. Its Solvency II ratio stood at 224% in 2024. L&G's LGIM division is Europe's largest institutional asset manager by AUM and the UK's largest manager of DC pension assets.
Prudential plc reported $35B+ in annual premium equivalent (APE) in 2024, having strategically pivoted to Asia and Africa after spinning off US subsidiary Jackson in 2021. Its Hong Kong and Singapore operations generated record new business profit of $3.5B in 2024. Headquartered in London, it employs 20,000+ and holds an AM Best A rating. Prudential's Pulse digital health app reached 92 million registered users across Asia in 2025.
Admiral Group reported £5.8B in GWP for 2024, growing 22% YoY driven by UK motor repricing and international expansion. Founded in Cardiff in 1993, it is the UK's largest personal lines motor insurer by policy count with 10.4 million UK customers. Its combined ratio improved to 91% in 2024. Admiral's MultiCover product and Veygo usage-based insurance platform contributed to a 35% digital policy acquisition rate.
Direct Line Group reported £3.1B in GWP for 2024 before its £5.7B acquisition by Aviva completing in 2025. Founded in 1985 as the UK's first direct-to-consumer insurer, it operated brands including Direct Line, Churchill, and Privilege with 9.6 million in-force policies. Its 2024 turnaround plan delivered a combined ratio of 99.4%, down from 116% in 2023. The acquisition creates the UK's largest motor insurance group by written premium.
RSA Insurance was acquired in a £7.2B deal by Intact Financial Corporation and Tryg A/S in 2021, with Intact retaining UK/International operations and Tryg taking Scandinavia. The RSA UK brand writes £2.8B+ in commercial and personal lines GWP, employing 5,000 in the UK. Its 2024 combined ratio was 93.2%, benefiting from commercial lines repricing and reduced flood frequency. RSA UK holds an AM Best A+ rating under Intact ownership.
AXA UK & Ireland generated £5.8B in GWP in 2024, operating as one of the group's largest regional subsidiaries. It serves 10.5 million customers across personal motor, home, health, and commercial lines through AXA, AXA Business Insurance, and AXA Health brands. Its 2024 commercial lines combined ratio was 93.5%. AXA UK employs 13,000 and distributes through 1,500+ broker partners and direct digital channels.
LV= (Liverpool Victoria) is the UK's largest mutual insurer with £1.2B in GWP in 2024 and 5.8 million members. Founded in 1843, it narrowly rejected a £530M Bain Capital takeover in 2021, opting to remain mutual and partnering with Allianz for general insurance. Its 2024 combined ratio was 96.1%. LV= ranked #1 in the 2024 Fairer Finance customer experience ratings for life insurance, reflecting its member-owned ethos.
Ageas UK generated £1.5B in GWP in 2024, operating as the UK subsidiary of Belgian group Ageas and distributing predominantly through affinity partnerships and broker channels. It insures 5 million UK customers across motor, home, travel, and commercial lines. Ageas UK's 2024 motor combined ratio of 94% outperformed the market average of 99%. Its partnership with Co-op for home and motor insurance serves 1.2 million Co-op members.
Ecclesiastical Insurance Group has protected faith, heritage, and charity organisations for 135+ years, reporting £625M in GWP in 2024. As a specialist insurer owned by the Benefact Group (a registered charity), 100% of available profits are donated to good causes — contributing £120M to charities in 2024 alone. It holds the highest customer satisfaction score among UK commercial insurers in the 2024 Insurance Times survey. Its historic buildings expertise covers 3,000+ Grade I and II listed properties across the UK.
The most-voted lists across every category — curated weekly. Join the early readers.
No spam. One email per week. Unsubscribe anytime.
Explore more Finance rankings on Top10Grid
Cast your vote above to unlock the real distribution
Tap the arrows on any item to vote
Because you're viewing Finance
Top 10 Highest Interest Savings Accounts in Hong Kong May 2026
250 views · 0 votes
Top 10 Fintech Apps in 2026
244 views · 0 votes
Top 10 Online Brokerages in 2026
238 views · 0 votes
Top 10 Best HKD Time Deposit Rates in Hong Kong May 2026
213 views · 0 votes
Top 10 Tax Saving Strategies That Actually Work (US)
167 views · 1 votes
Top 10 Highest Interest Savings Accounts in Hong Kong June 2026
153 views · 0 votes
Aviva is the UK's #1 composite insurer with £46B in GWP and net written premium in 2024, holding 16% of the UK general insurance market. Following the £5.7B acquisition of Direct Line Group completing in 2025, Aviva becomes the UK's dominant motor and home insurer. It employs 22,000 staff and holds an AM Best A (Excellent) rating with a Solvency II ratio of 197%. Aviva's health insurance book grew 15% YoY as NHS waiting lists sustained demand.
Legal & General manages £1.1T in assets and generated £93B in total revenues in 2024, dominating UK bulk annuities (pension risk transfer) with a 30%+ market share. Founded in 1836, it employs 12,000 staff and is rated AA- by S&P. Its Solvency II ratio stood at 224% in 2024. L&G's LGIM division is Europe's largest institutional asset manager by AUM and the UK's largest manager of DC pension assets.
Prudential plc reported $35B+ in annual premium equivalent (APE) in 2024, having strategically pivoted to Asia and Africa after spinning off US subsidiary Jackson in 2021. Its Hong Kong and Singapore operations generated record new business profit of $3.5B in 2024. Headquartered in London, it employs 20,000+ and holds an AM Best A rating. Prudential's Pulse digital health app reached 92 million registered users across Asia in 2025.
Admiral Group reported £5.8B in GWP for 2024, growing 22% YoY driven by UK motor repricing and international expansion. Founded in Cardiff in 1993, it is the UK's largest personal lines motor insurer by policy count with 10.4 million UK customers. Its combined ratio improved to 91% in 2024. Admiral's MultiCover product and Veygo usage-based insurance platform contributed to a 35% digital policy acquisition rate.
Direct Line Group reported £3.1B in GWP for 2024 before its £5.7B acquisition by Aviva completing in 2025. Founded in 1985 as the UK's first direct-to-consumer insurer, it operated brands including Direct Line, Churchill, and Privilege with 9.6 million in-force policies. Its 2024 turnaround plan delivered a combined ratio of 99.4%, down from 116% in 2023. The acquisition creates the UK's largest motor insurance group by written premium.
RSA Insurance was acquired in a £7.2B deal by Intact Financial Corporation and Tryg A/S in 2021, with Intact retaining UK/International operations and Tryg taking Scandinavia. The RSA UK brand writes £2.8B+ in commercial and personal lines GWP, employing 5,000 in the UK. Its 2024 combined ratio was 93.2%, benefiting from commercial lines repricing and reduced flood frequency. RSA UK holds an AM Best A+ rating under Intact ownership.
AXA UK & Ireland generated £5.8B in GWP in 2024, operating as one of the group's largest regional subsidiaries. It serves 10.5 million customers across personal motor, home, health, and commercial lines through AXA, AXA Business Insurance, and AXA Health brands. Its 2024 commercial lines combined ratio was 93.5%. AXA UK employs 13,000 and distributes through 1,500+ broker partners and direct digital channels.
LV= (Liverpool Victoria) is the UK's largest mutual insurer with £1.2B in GWP in 2024 and 5.8 million members. Founded in 1843, it narrowly rejected a £530M Bain Capital takeover in 2021, opting to remain mutual and partnering with Allianz for general insurance. Its 2024 combined ratio was 96.1%. LV= ranked #1 in the 2024 Fairer Finance customer experience ratings for life insurance, reflecting its member-owned ethos.
Ageas UK generated £1.5B in GWP in 2024, operating as the UK subsidiary of Belgian group Ageas and distributing predominantly through affinity partnerships and broker channels. It insures 5 million UK customers across motor, home, travel, and commercial lines. Ageas UK's 2024 motor combined ratio of 94% outperformed the market average of 99%. Its partnership with Co-op for home and motor insurance serves 1.2 million Co-op members.
Ecclesiastical Insurance Group has protected faith, heritage, and charity organisations for 135+ years, reporting £625M in GWP in 2024. As a specialist insurer owned by the Benefact Group (a registered charity), 100% of available profits are donated to good causes — contributing £120M to charities in 2024 alone. It holds the highest customer satisfaction score among UK commercial insurers in the 2024 Insurance Times survey. Its historic buildings expertise covers 3,000+ Grade I and II listed properties across the UK.
If you liked this, you might love these
Top 10 Lloyd's of London Syndicates
10 items
Top 10 US Specialty Insurance Lines
10 items
Top 10 Most Affordable Travel Insurance Plans in Hong Kong
10 items
Top 10 Best Health Insurance Plans in Hong Kong
10 items
Top 10 US Travel Insurance Providers 2026
10 items
Top 10 European Pension Insurance Products
10 items
