Top 100 UK Insurers 2025
Top 100 UK Insurers
The top 100 Prudential Regulation Authority regulated companies listed by gross written premium, net written premium, underwriting result, retention ratio, solvency capital requirement and SCR ratio.
TOP 10 COMPANIES
Top 100 UK Insurers 2025: Aviva
Aviva Insurance Limited is ranked number 1 and Aviva International Insurance Limited is ranked number 2 once again on Insurance Post’s Top 100 UK Insurers list.
Top 100 UK Insurers 2025: Direct Line
Direct Line Group remains in third place on the Top 100 UK Insurers List 2025, but will disappear from next year’s rankings as the provider becomes part of Aviva.
Top 100 UK Insurers 2025: Intact Insurance
Intact Insurance, formerly known as RSA, has held firm in fourth place on this year’s Top 100 UK Insurers list thanks to bold investments in technology, faster claims resolution, and its One Commercial programme.
Top 100 UK Insurers 2025: Admiral
Admiral has climbed from seventh to fifth place on this year’s Insurance Post Top 100 UK Insurers list, thanks to strong profit growth and the acquisition of More Than's renewal rights.
Top 100 UK Insurers 2025: Bupa
Bupa once again appears in sixth place on Insurance Post’s Top 100 UK Insurers 2025 list, with growth plans focused on becoming the world’s most customer-centric healthcare company.
Top 100 UK Insurers 2025: AIG
AIG slips from fifth position last year to seventh place on Insurance Post’s Top 100 UK Insurers List in 2025.
Top 100 UK Insurers 2025: Convex
Convex UK is the newest company - only created in 2019 - to appear towards the peak of Insurance Post’s Top 100 UK Insurers List in 2025.
Top 100 UK Insurers 2025: Axa
Axa slips one place to ninth position on this year’s Top 100 UK Insurers list, but the provider plans to grow by being a market mover, not follower, through harnessing data and technology.
Top 100 UK Insurers 2025: Allianz
Allianz is ranked tenth again in Insurance Post’s Top 100 UK Insurers list thanks to disciplined pricing, new partnerships, and digital transformation.
Previous years
Top 100 UK Insurers 2024: Drastic turnaround in profitability
Major players pulling out or significantly scaling back their personal lines propositions, while others saw commercial lines profits soar, has significantly shaken up Insurance Post’s Top 100 UK Insurers rankings in 2024, according to Ben Diaz-Clegg, associate director of analytics at AM Best.
Top 100 UK Insurers 2023: Personal lines insurers hardest hit by inflation
Valeria Ermakova, associate director for analytics at AM Best, reveals while reserving for claims inflation is shaking the nation's insurers, actions taken by the top 10 of this year's Insurance Post Top 100 UK Insurers List helped these providers hold…
Top 100 UK Insurers 2022
To date, the UK non-life market has been able to withstand the impact of operating challenges and with capital adequacy robust, William Keen-Tomlinson explains why the market has something of a buffer to absorb future uncertainty
Top 100 UK Insurers 2021
Covid-19 had the biggest impact on insurers in 2020. Commercial lines insurers suffered while personal lines insurers broadly benefited according to William Keen-Tomlinson, senior financial analyst in London for AM Best.
Top 100 UK Insurers 2020
The 100 largest UK-regulated insurers reported a combined underwriting profit in 2019, albeit lower than in 2018. Bond yields fell in 2019, however, investment earnings benefited from the strong performance of equity markets. How will the impact of the challenges from 2020 including Covid-19, climate change and Brexit affect the market going forward?
Top 100 UK Insurers 2019
The 100 largest UK-regulated insurers, ranked by non-life gross premium written, reported a combined underwriting profit in 2018, compared to a loss in 2017. Catherine Thomas, senior director of analytics in London at AM Best, explains how they achieved this against such a challenging backdrop.
Top 100 UK insurers 2018
In 2017, the combined underwriting results of the largest 100 UK non-life insurers improved but remained in the red. How well did insurers perform under pressure from strong competition and unfavourable claims trends?
Top 100 UK insurers 2017
Who are the top 100 UK insurers? Check out the ranking established by Post, in association with AM Best.
Top 100 UK Insurers 2016
How have the top 100 insurers fared over the past year? What have been the highs and lows faced by the market?
