| # | Company | Employees |
|---|---|---|
| 1 | 36,000 | |
| 2 |
Howdenhowdengroupholdings.com
Employee-owned insurance group specializing in broking, reinsurance, underwriting, risk consultancy, and employee benefits with global expertise. |
15,000 |
| 3 |
RSAintactinsurance.co.uk
A multinational insurer with a 300-year heritage, operating across Europe with significant businesses in the UK, Ireland, and Luxembourg Employing over 4,500 people |
8,918 |
| 4 |
Allianz UKallianz.co.uk
Global financial services provider offering commercial and personal insurance products through brokers, focusing on employee growth, diversity, and sustainability for a better future |
8,735 |
| 5 |
Direct Line Groupdirectlinegroupcareers.com
Insurance services integration into Aviva plc, focusing on providing updates and news through Aviva's communication channels. |
5,968 |
| 6 |
NFU Mutualnfumutual.co.uk
Providing personalized insurance, life assurance, investments, and pensions with strong community relationships and customer-focused mutual business model. |
5,693 |
| 7 |
Daviesdavies-group.com
Specialist professional services and technology firm providing risk management, business process optimization, and digital transformation solutions to insurance, regulated, and global businesses |
5,693 |
| 8 |
Hastings Directhastingsdirectcareers.com
Fast-growing UK insurance provider offering car, van, bike, and home insurance with digital focus, strong partnerships, and customer retention. |
3,492 |
| 9 |
PIB Grouppibgroup.co.uk
A specialist insurance solutions provider in the UK market and beyond, offering commercial and personal lines products through acquisitions and expertise |
3,023 |
| 10 |
Gallagher Reajg.com
Provides strategic reinsurance brokerage services using data analytics to meet clients' unique risk transfer and capital access needs worldwide. |
2,947 |
| 11 |
Howden Insurance Brokers Limitedhowdengroup.com
Leading provider of insurance broking, risk consulting, and employee benefits advice, serving diverse clients globally with specialist teams and employee ownership. |
2,875 |
| 12 |
Beazleybeazley.com
Specialist insurer offering high standards in underwriting and claims globally Market leaders in cyber, management liability, professional indemnity, and more |
2,726 |
| 13 |
Liberty Specialty Marketslibertyspecialtymarkets.com
Global provider of specialty and commercial insurance and reinsurance products with 1,900 employees in 60 offices worldwide, backed by a Fortune 100 company for financial strength |
2,536 |
| 14 |
Lloyd'slloyds.com
Global marketplace connecting underwriters and brokers to provide insurance and reinsurance solutions through collective intelligence and risk-sharing expertise. |
2,501 |
| 15 |
Markerstudy Groupmarkerstudy.com
Specialist in niche motor insurance products targeting unique customer segments, leveraging expert underwriting and strong broker relationships. |
2,498 |
| 16 |
SunLife UKsunlife.co.uk
Providing support and services tailored for individuals aged 50 and above to enhance life quality and enjoyment. |
2,164 |
| 17 |
Bupa Globalbupaglobal.com
Provides premium international health insurance plans with holistic wellness focus, continuous service improvement, and coverage at home or abroad. |
1,994 |
| 18 |
HomeServe UKhomeserve.co.uk
A leading UK home assistance provider with over one and a half million customers, offering services in plumbing, drainage, electrics, and heating through their own nationwide network of engineers |
1,957 |
| 19 | 1,896 | |
| 20 |
Charles Taylorcharlestaylor.com
Global provider of insurance services, claims management, and technology solutions specializing in complex cases with expert technical support. |
1,886 |
| 21 |
Ageas UKageas.co.uk
One of the largest car and home insurers in the UK, part of an international group, with over 3 million customers, offering excellent insurance cover and customer service |
1,868 |
| 22 |
Atlanta Groupatlantagroup.co.uk
Provides strategic consulting, business development, and operational improvement services to help companies enhance performance and achieve growth objectives. |
1,722 |
| 23 |
Utmost Grouputmostgroup.com
A leading provider of insurance and savings solutions with a focus on international life assurance, wealth and corporate solutions, and UK life consolidation |
1,697 |
| 24 |
Independent Agentww1.directionsintravel.co.uk
Established in 1989, Directions offers personalized one-to-one travel services with over 50 years of experience, prioritizing attention to detail and exceptional customer service |
1,574 |
| 25 |
BMS Groupbmsgroup.com
Specialist independent insurance brokerage offering tailored wholesale, reinsurance, direct insurance, and capital advisory solutions worldwide with expert teams. |
1,571 |
| 26 |
QBE Europeqbeeurope.com
International insurer and reinsurer offering tailored commercial, personal, and specialty insurance products with strong local expertise across multiple global markets. |
1,517 |
| 27 |
Price Forbespriceforbes.com
Global specialty insurance broker with offices worldwide, working closely with clients to provide tailored solutions, now part of the Ardonagh Group |
1,514 |
| 28 |
Innovation Group UKinnovation.group
Global claims specialists offering end-to-end solutions in motor and property lines to insurers, brokers, MGA's, and self-insured entities with advanced technology and supplier network |
1,496 |
| 29 |
MS Amlinglobal.msamlin.com
A leading global specialty commercial insurer and reinsurer, providing insurance cover for commercial enterprises and reinsurance protection worldwide |
1,484 |
| 30 |
NHBCnhbc.co.uk
A leading provider of warranty and insurance for new homes in the UK, ensuring construction quality and protecting homeowners with expert assessment and inspection services |
1,426 |
| 31 |
Miller Insurance Services LLPmiller-insurance.com
Leading independent insurance broking firm providing specialist (re)insurance services internationally, focusing on integrity, expertise, and client trust. |
1,191 |
| 32 |
First Centralfirstcentralgroup.com
Insurance group using technology and data to reduce risk, prevent fraud, and offer competitive insurance products through innovative underwriting and brokering. |
1,122 |
| 33 |
esure Groupesure.com
A leading personal lines insurer providing car, home, and travel insurance through digital innovation, exceptional service, and commitment to environmental sustainability and community impact |
1,101 |
| 34 | 1,073 | |
| 35 |
Covéa Insurancecoveainsurancehub.co.uk
A leading UK underwriting business operating across multiple product lines with a focus on financial reassurance, excellent service, and recognition in the industry |
1,071 |
| 36 |
Canopius Groupcanopius.com
Global specialty insurer and reinsurer with operations in multiple countries, including Lloyd's Syndicates, US surplus lines, and Bermuda-based reinsurance Emphasizes collaboration, innovation, and diversity |
1,016 |
| 37 |
DUAL Groupdualgroup.com
Global underwriting business offering diverse insurance products and services across 21 countries, empowering partners with innovative solutions and entrepreneurial spirit. |
986 |
| 38 |
Markel Internationalmarkel.com
Global insurance operations offering specialty, international, reinsurance, program services, and insurance-linked securities with tailored solutions for complex risks. |
971 |
| 39 |
Brit Insurancebritinsurance.com
Providing innovative insurance solutions and risk management services to help businesses and individuals navigate an unpredictable and changing future. |
946 |
| 40 |
Howden Rehowdenre.com
A global reinsurance broker and risk advisor utilizing innovation and analytics to provide top client service, operating as part of Howden |
942 |
| 41 |
Thomas Millerthomasmiller.com
An international provider of market-leading insurance services, specializing in managing mutual organizations, underwriting, claims handling, legal services, and investment management |
894 |
| 42 |
Jenstenjensten.co.uk
Providing brokerage services with strong advisory and product distribution expertise, serving commercial, corporate, and personal clients with superior outcomes. |
860 |
| 43 |
Simply Businesssimplybusiness.co.uk
Provides an online platform for small business owners to compare, customize, and purchase insurance policies with expert agent support. |
851 |
| 44 |
Pension Insurance Corporation plcpensioncorporation.com
Provides secure retirement incomes through pension insurance buyouts, managing assets and liabilities for UK defined benefit pension schemes. |
808 |
| 45 |
Amwins Global Risksamwins.com
Specialty insurance and reinsurance broker with global reach, providing risk management solutions and coverage across more than 150 countries. |
802 |
| 46 |
Chaucer Groupchaucergroup.com
Specialty insurance group providing tailored (re)insurance solutions globally through Lloyd's of London and company markets, backed by China Re Group |
798 |
| 47 |
Brown & Brown UKus.bbrown.com
Providing specialized insurance brokerage and risk management services across personal, commercial, wholesale, and specialty markets in the UK and Ireland. |
792 |
| 48 |
Kiki-insurance.com
Ki leverages technology and data to streamline risk placement at Lloyd’s of London, providing instant underwriting decisions and expert assistance |
786 |
| 49 |
Tokio Marine HCC Internationaltmhcc.com
Specialty insurance group offering coverage in 180 countries with expertise in over 100 classes Known for innovative solutions and industry-leading experts |
775 |
| 50 |
Tyserstysers.com
A leading UK insurance broker with expertise in specialist divisions, serving clients in over 100 countries with a focus on client satisfaction and forward-thinking solutions |
770 |
| 51 |
Tokio Marine Kilntmkiln.com
Specialist international insurer, part of a global insurance group, offering innovative products and specialized underwriting services to protect against complex risks |
764 |
| 52 |
Swinton Groupswinton.co.uk
Providing a wide range of insurance products including car, home, commercial, and taxi insurance with personalized customer service and support. |
754 |
| 53 |
Ecclesiastical Insurance UKecclesiastical.com
Providing specialist insurance, expert risk management, and award-winning service to clients in faith, heritage, education, schemes, and real estate sectors. |
740 |
| 54 |
InsurTech Labbiaster.com
An insurance marketing agency that provides high performance marketing and lead generation services for businesses distributing insurance products |
736 |
| 55 |
Clear Groupthecleargroup.com
Specialist insurance group offering retail, MGAs, broker networks, technology, and solutions with a focus on ethics and sustainability. |
728 |
| 56 |
Marsh Commercialmarshcommercial.co.uk
Provides UK insurance brokerage services with global backing, combining expertise, personal service, and access to broad insurance products. |
718 |
| 57 |
Neilson Financial Servicesneilsonfs.com
An international life insurance provider with offices in multiple countries, focused on helping families secure financial protection for their loved ones |
706 |
| 58 |
The Ardonagh Groupardonagh.com
The company is the UK's largest independent insurance distribution platform, offering a diverse range of insurance products and services globally |
673 |
| 59 |
Pro Globalpro-global.com
Specialist insurance experts simplifying, consulting, outsourcing, and auditing complex insurance operations for brokers, insurers, reinsurers, and insurtechs globally. |
649 |
| 60 |
NorthStandardnorth-standard.com
A global marine insurer offering P&I, war risks, hull, machinery, and ancillary insurance to over 240 million GT of owned and chartered tonnage |
647 |
| 61 |
Rothesayrothesay.com
A UK pensions insurance specialist, Rothesay protects over 840,000 members' pensions with £48 billion in assets under management |
615 |
| 62 |
Acorn Insurance and Financial Services Limitedacorninsure.co.uk
Specialist provider of car, taxi, and home insurance policies throughout the United Kingdom with over forty years of insurance industry experience. |
607 |
| 63 |
CNA Hardycnahardy.com
Specialist commercial insurance provider offering innovative products for businesses of all sizes globally, backed by over 120 years of experience |
600 |
| 64 |
McGill and Partnersmcgillpartners.com
A boutique risk solutions business founded in 2019 by industry leaders, specializing in creating specialist transactions to manage risk for clients globally |
598 |
| 65 |
Innovation Groupinnovation.group
End-to-end claims handling with 24/7 customer service, repairer network, and streamlined management to save time and money while delivering exceptional service |
579 |
| 66 | 571 | |
| 67 |
Chartered Insurance Institutecii.co.uk
A professional body promoting trust in insurance and financial planning worldwide, offering qualifications and oversight for members in over 150 countries |
571 |
| 68 |
AmTrust Internationalamtrustinternational.com
A global insurance provider with expertise in niche risks, offering comprehensive risk solutions worldwide through innovation, flexibility, and long-term partnerships |
558 |
| 69 |
PIB Insurance Brokerspib-insurance.com
Leading insurance broker offering bespoke solutions for businesses and individuals, specializing in commercial and private client insurances with access to risk management services |
546 |
| 70 |
Willis Towers Watson Health and Benefitswtw-healthandbenefits.co.uk
A leading UK provider of employee healthcare and risk management services, offering in-house medical expertise to large companies for improved health and absence management |
530 |
| 71 | 502 | |
| 72 |
WPA Health Insurancewpa.org.uk
Providing personalised, award-winning health insurance solutions for individuals, families, and businesses, combining expert service with digital innovation. |
499 |
| 73 |
Policy Expertpolicyexpert.co.uk
Providing accessible and easy-to-understand home, car, and pet insurance trusted by over 1.5 million customers with excellent ratings. |
497 |
| 74 |
Towergate Insurance Brokerseverywhen.co.uk
Providing tailored insurance solutions and risk management advice for businesses across various sectors and private individuals throughout Europe. |
492 |
| 75 |
Solus - an Aviva companysolusarc.co.uk
Solus prioritizes individual needs to help customers overcome challenges and return to their version of 'normal,' whether by resolving issues or restoring joy |
491 |
| 76 |
HSB | UK and Irelandmunichre.com
Specialist provider of engineering insurance and inspection services covering construction, equipment breakdown, cyber risks, leveraging over 150 years of expertise. |
487 |
| 77 |
Aventum Groupaventumgroup.com
Global insurance group specializing in underwriting and broking, creating innovative schemes, nurturing relationships, and challenging industry standards worldwide. |
475 |
| 78 |
Partners&.partnersand.com
Specialists in insurance advisory, employee wellbeing, and risk management, providing advice and solutions for businesses and private clients regulated by the Financial Conduct Authority |
463 |
| 79 |
Car Care Plancarcareplan.com
Provider of vehicle and cosmetic warranties, working with manufacturers and dealers, offering after-sales motoring programs and repair services globally. |
435 |
| 80 |
Animal Friendsanimalfriends.co.uk
Provides award-winning, affordable pet insurance policies while donating millions to animal welfare charities and continuously improving customer and colleague experiences. |
433 |
| 81 |
Acrisure Reacrisure.com
Acrisure Re is a global re/insurance intermediary and corporate advisor offering innovative capital, risk, and program solutions with a tech-enabled approach |
416 |
| 82 |
Global Aerospaceglobal-aero.com
Providing aviation insurance solutions with financial stability, innovative technology, and global presence to protect and empower industry stakeholders. |
415 |
| 83 |
Travelers Europetravelers.co.uk
Industry-leading organization with 160+ years of experience, offering specialist underwriting and claims services to meet customers' needs with first-class service |
410 |
| 84 |
Bluefin - Page Closedlinkedin.com
Stay up to date with the latest news and updates from a company specializing in commercial insurance and risk management solutions |
409 |
| 85 |
Pinnacle Pet Grouppinnaclepetgroup.com
Development and distribution of pet and protection insurance products through partnerships and direct online channels with a digital operating model. |
404 |
| 86 |
LPGlegalprotectiongroup.co.uk
A team of legal protection professionals providing innovative products underwritten by A-Rated insurers with a focus on top-notch service |
398 |
| 87 |
Ardonagh Specialtyardonagh.com
Holding company for independent brokers offering wholesale, specialty, reinsurance, and international broking solutions with global market expertise. |
397 |
| 88 |
Apolloapollounderwriting.com
provides diverse insurance products including property, casualty, marine, energy, specialty, reinsurance, and digital risk programs with entrepreneurial service |
393 |
| 89 |
Willis Regallagherre.com
This company page is no longer active Visit Gallagher Re for more information |
393 |
| 90 |
Arch Insurance Internationalinsurance.archgroup.com
Collaborative insurance company focused on delivering informed solutions, building trusting relationships, and continually raising the bar for brokers and partners |
392 |
| 91 |
QuestGatesquestgates.co.uk
A leading independent loss adjusting group in the UK, providing high-quality technical services in liability, property, motor, environmental, and more |
389 |
| 92 |
AXA - Global Healthcareaxaglobalhealthcare.com
Providing cross-border health insurance and medical support services to globally mobile individuals and businesses across more than 190 countries. |
388 |
| 93 |
Howden, the new name for Aston Larkhowdengroup.com
Employee-owned insurance brokerage providing expert coverage solutions across diverse industries, focusing on client success and social impact. |
379 |
| 94 |
Antaresantaresglobal.com
Antares offers local and international insurance and reinsurance solutions through a global network of hubs, covering a broad range of consumer and commercial risks |
377 |
| 95 |
RiverStone Internationalrsml.co.uk
Acquirer and reinsurer of legacy and discontinued insurance businesses across UK, Lloyd’s, Bermuda, USA, and Europe markets. |
369 |
| 96 |
Talbot Underwritingtalbot.aig.com
An international insurer and reinsurer operating within the Lloyd’s market, specializing in a diversified portfolio of over 20 product lines |
368 |
| 97 | 367 | |
| 98 |
Markerstudy Retailmarkerstudybroking.com
A top insurance distributor in the UK offering specialized niche products and partnerships with well-known brands and insurers |
366 |
| 99 |
ManyPetsmanypets.com
Provides award-winning pet insurance policies with generous health benefits, exceptional customer service, and innovative technology for pet well-being. |
364 |
| 100 |
Alan Boswell Groupalanboswell.com
Leading independent insurance broker and financial planner with award-winning general insurance division and specialist employee benefits, healthcare, and protection services |
354 |
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 24, 2026.
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