| # | Company | Employees |
|---|---|---|
| 1 | 197,879 | |
| 2 | 93,574 | |
| 3 |
Barclayshome.barclays
A British universal bank with global presence, offering consumer banking, payments, corporate and investment banking services, supported by technology and operational solutions |
82,417 |
| 4 |
Standard Charteredsc.com
An international banking group with a presence in 53 markets, driving commerce and prosperity through diversity and values Listed on London and Hong Kong Stock Exchanges |
79,401 |
| 5 |
Sainsbury'ssainsburys.jobs
A leading UK retailer with over 1400 stores and a strong digital presence, offering affordable, greener products and convenient financial services to customers |
68,549 |
| 6 |
Lloyds Banking Grouplloydsbankinggroup.com
This company focuses on creating a more sustainable and inclusive future in the financial services industry, while supporting customers' changing needs |
57,702 |
| 7 | 55,656 | |
| 8 |
NatWest Groupnatwestgroup.com
Support UK businesses by removing barriers, promoting learning, enhancing financial confidence, and championing climate solutions for sustainable community growth. |
43,833 |
| 9 |
John Lewis Partnershipjlpjobs.com
Employee-owned business operating department stores and supermarkets focused on quality service, retail innovation, and shared responsibility among partners for collective success and growth. |
36,517 |
| 10 | 36,000 | |
| 11 | 25,298 | |
| 12 |
Co-opcoop.co.uk
A large consumer co-operative in the UK, offering a variety of services including food retail, funeral services, insurance, and legal services |
21,184 |
| 13 |
Santander UKsantander.co.uk
Providing personal and commercial financial products and services to millions of customers, fostering diversity and a positive workplace culture. |
21,000 |
| 14 |
Bupa UKbupa.co.uk
International healthcare company dedicated to helping people live longer, healthier, happier lives by providing quality healthcare services to over 38 million customers worldwide |
20,537 |
| 15 |
Revolutrevolut.com
A fintech company on a mission to provide customers with more visibility, control, and freedom over their money through innovative products |
18,462 |
| 16 |
RBSnatwestgroup.com
Announcement of rebranding from RBS to NatWest Group, encouraging followers to transition to the new company page for updates. |
18,457 |
| 17 |
Post Office Ltdpostoffice.co.uk
operates largest UK retail network with 11,500 branches and a major digital presence, focusing on customer service and innovation |
17,058 |
| 18 |
Howdenhowdengroupholdings.com
Employee-owned insurance group specializing in broking, reinsurance, underwriting, risk consultancy, and employee benefits with global expertise. |
15,000 |
| 19 |
Nationwide Building Societynationwide.co.uk
Providing reliable and customer-focused banking services, offering financial products and support to meet everyday banking needs effectively. |
14,486 |
| 20 |
Bank of Communications Co., Ltd. London Branchbankcomm.com.hk
Provides commercial banking, securities, trust services, financial leasing, fund management, and insurance through a vast network of domestic branches and international overseas institutions. |
12,670 |
| 21 | 11,769 | |
| 22 |
Admiral Group Plcadmiralgroup.co.uk
Leading car insurance provider in the UK and 7 other countries, focusing on innovation, customer service, and employee satisfaction. |
11,047 |
| 23 | 10,917 | |
| 24 |
Barclays UKsearch.jobs.barclays
A company focused on helping individuals progress in their lives through financial services, digital innovation, career guidance, and customer-centric approach |
9,925 |
| 25 |
Fidelity Internationalfidelityinternational.com
Offers global investment solutions, services, and retirement expertise to diverse clients, managing substantial assets for long-term financial futures. |
9,884 |
| 26 |
Investecinvestec.com
Provides global banking and asset management services, creating and managing wealth through specialized financial solutions and insights for diverse international clients. |
9,732 |
| 27 |
Apex Group Ltd (UK & Ireland)apexgroup.com
A global financial services provider with offices in over 50 countries, offering a wide range of services to asset managers, capital markets, and family offices |
9,281 |
| 28 |
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 |
| 29 |
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 |
| 30 |
Legal & Generallegalandgeneral.com
Provides financial services through asset management, pension risk transfers, and retail savings while investing capital responsibly to deliver long-term shareholder returns. |
7,832 |
| 31 |
TP ICAPtpicap.com
Specialist in connecting clients to liquidity and data solutions across financial and commodities markets with advanced technology and global presence. |
7,548 |
| 32 |
NatWestnatwest.com
Provides comprehensive banking services to personal, small business, and SME customers, supports the UK economy through lending to businesses, and fosters entrepreneurship. |
7,041 |
| 33 |
Coventry Building Societycoventrycareers.co.uk
Financial institution offering diverse career opportunities, focusing on member-first service, innovation, and promoting equality, diversity, and inclusion. |
6,612 |
| 34 | 6,270 | |
| 35 |
Lloyds Banklloydsbank.com
A UK-based bank focusing on serving the needs of individuals and businesses, prioritizing what truly matters in life Connect with us online |
5,996 |
| 36 |
Direct Line Groupdirectlinegroupcareers.com
Insurance services integration into Aviva plc, focusing on providing updates and news through Aviva's communication channels. |
5,968 |
| 37 |
NFU Mutualnfumutual.co.uk
Providing personalized insurance, life assurance, investments, and pensions with strong community relationships and customer-focused mutual business model. |
5,693 |
| 38 |
Aberdeenaberdeenplc.com
Providing wealth and investment services focused on helping clients plan, manage portfolios, and navigate financial futures with insight. |
5,527 |
| 39 |
SS&C GlobeOpssctech.com
Global provider of cloud-based fund services and technology for hedge funds, private equity, and asset managers, offering outsourcing support for operational efficiency and risk reduction |
5,416 |
| 40 | 5,267 | |
| 41 |
Schrodersschroders.com
Manages investments globally for institutions, intermediaries, and individuals, focusing on active management and sustainability to create prosperity and resilient outcomes. |
4,905 |
| 42 | 4,789 | |
| 43 |
Travelextravelex-corporate.com
A leading specialist provider of foreign exchange products and services, with a global presence through stores, ATMs, online platform, and wholesale distribution |
4,717 |
| 44 |
Virgin Moneyvirginmoneyukplc.com
A member of the Virgin Group, this company aims to create positive customer experiences by offering innovative banking products and services |
4,512 |
| 45 |
Prudential UKmandg.com
It provides life and pension services, focusing on longevity, risk management, and multi-asset investment under the Prudential and M&G brands. |
4,402 |
| 46 |
The Co-operative Bank plcco-operativebank.co.uk
A customer-led bank with ethical policies, championing important causes, avoiding fossil fuels, and promoting human rights in finance |
4,347 |
| 47 | 4,204 | |
| 48 | 4,161 | |
| 49 |
Royal Londonroyallondon.com
A purpose-driven mutual company focused on protecting and investing for the future, promoting inclusivity, diversity, and a positive workplace environment for all |
4,058 |
| 50 | 3,987 | |
| 51 | 3,717 | |
| 52 |
Royal Bank of Scotland Businessrbs.co.uk
Provide Scottish businesses with expert insights, analysis, and quick account support through webchat to help them grow effectively. |
3,622 |
| 53 |
Janus Henderson Investorsjanushenderson.com
The company is dedicated to helping clients achieve financial success by offering differentiated insights, disciplined investments, and world-class service |
3,515 |
| 54 |
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 |
| 55 |
St. Jamesβs Placesjp.co.uk
Providing personalized financial planning and wealth management services through experienced professionals to help clients achieve their financial goals. |
3,459 |
| 56 |
Domestic & Generaldomesticandgeneral.com
Protection, repair, and care for household appliances including fridges, washing machines, TVs, and boilers, ensuring reliable home operation. |
3,376 |
| 57 | 3,323 | |
| 58 |
Student Loans Companygov.uk
Provide financial support through loans and grants for tuition fees, living costs, and study expenses to UK university and college students. |
3,312 |
| 59 |
M-KOPAm-kopa.com
Affordable smartphone and e-motorbike financing with embedded digital financial services, leveraging AI-driven credit analytics for emerging market customers. |
3,301 |
| 60 |
Starlingstarlingbank.com
This company is a digital bank offering fast technology, fair service, and honest values, focused on solving customer problems and building sustainable solutions |
3,231 |
| 61 |
Yorkshire Building Societyybs.co.uk
mutual financial institution managing assets for members, focusing on customer care, community support, and employee well-being. |
3,114 |
| 62 |
Barclaycardhome.barclays
A global payment business offering flexible payment solutions, short-term credit, and innovative contactless and mobile payment schemes to consumers and businesses worldwide |
3,083 |
| 63 |
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 |
| 64 |
Gallagher Reajg.com
Provides strategic reinsurance brokerage services using data analytics to meet clients' unique risk transfer and capital access needs worldwide. |
2,947 |
| 65 |
Diligenta - a subsidiary of Tata Consultancy Servicesdiligenta.co.uk
A UK-based subsidiary of Tata Consultancy Services specializing in business process services for the Life and Pensions industry, delivering operational transformation and digital capabilities |
2,896 |
| 66 |
Metro Bank (UK)metrobankonline.co.uk
Award-winning, customer-centric bank offering innovative banking services, open longer hours, with a strong focus on community, hiring for attitude, and supporting customers and colleagues |
2,895 |
| 67 |
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 |
| 68 | 2,752 | |
| 69 |
ICAPtpicap.com
A leading markets operator providing electronic execution and information services for wholesale market participants, facilitating capital flow and supporting borrowing needs |
2,750 |
| 70 |
IG Groupiggroup.com
An innovative global fintech company empowering clients to pursue financial freedom through award-winning products and platforms across 19,000 financial markets |
2,734 |
| 71 |
Beazleybeazley.com
Specialist insurer offering high standards in underwriting and claims globally Market leaders in cyber, management liability, professional indemnity, and more |
2,726 |
| 72 | 2,719 | |
| 73 |
Rathbonesrathbones.com
Providing investment and wealth management services to private clients, charities, trustees, and professional partners with a focus on responsibility. |
2,695 |
| 74 |
Vitalityvitality.co.uk
This company offers health insurance, life insurance, and investments that reward healthy lifestyle choices, leading to a longer, healthier, and financially secure life |
2,671 |
| 75 |
Close Brothersbit.ly
UK specialist banking group providing lending and deposit taking through commercial finance for SMEs, motor and insurance retail finance, and property development funding. |
2,632 |
| 76 |
Saga plc.saga.co.uk
A dynamic company focused on providing exceptional experiences for people over 50, driving positive change in markets and communities |
2,622 |
| 77 |
Barclays Corporate Bankingbarclayscorporate.com
This company offers corporate banking services to UK businesses with annual turnover above Β£65 million, providing insights and inspiration on social media |
2,600 |
| 78 |
Tesco Banktescobank.com
Providing banking products and services through a partnership with Barclays, focusing on customer value, loyalty rewards, and excellent service. |
2,592 |
| 79 |
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 |
| 80 |
Barclays Wealth Managementprivatebank.barclays.com
Providing expert wealth management services through a regional network of financial experts to help clients manage wealth effectively. |
2,528 |
| 81 |
Lloyd'slloyds.com
Global marketplace connecting underwriters and brokers to provide insurance and reinsurance solutions through collective intelligence and risk-sharing expertise. |
2,501 |
| 82 |
Markerstudy Groupmarkerstudy.com
Specialist in niche motor insurance products targeting unique customer segments, leveraging expert underwriting and strong broker relationships. |
2,498 |
| 83 |
AXIS (AXIS Capital)axiscapital.com
specialty insurer and reinsurer providing tailored insurance and reinsurance solutions globally, focusing on collaboration, diversity, and responsible business practices |
2,493 |
| 84 |
Couttscoutts.com
Offers personalized private banking and wealth management services, acting as trusted partners for client growth and guidance in the UK and globally, committed to responsible environmental and social governance. |
2,488 |
| 85 |
Phoenix Groupthephoenixgroup.com
The company is the UK's largest long term savings and retirement business, managing 'heritage' books of business and offering opportunities for development |
2,468 |
| 86 |
Qube Research & Technologiesqube-rt.com
Global quant and systematic investment manager using technology and data for scientific approach to investing, driving innovation for high quality returns Multiple open positions available |
2,393 |
| 87 |
Euro Exim Bankeuroeximbank.com
Provide international trade finance services including letters of credit, bank guarantees, bonds, escrow, and merchant accounts for corporate clients. |
2,382 |
| 88 |
London Stock Exchangelondonstockexchange.com
Global financial marketplace providing extensive access to capital markets and liquidity across multiple asset classes for international businesses, governments, and investment funds. |
2,358 |
| 89 |
L&G β Asset Managementam.landg.com
Asset management firm focusing on responsible investing, client partnership, innovation across public and private assets, and global professional collaboration. |
2,339 |
| 90 |
AXA Healthaxahealth.co.uk
A health partner providing access to clinical expertise, wellness guidance, and support for individuals, businesses, and intermediaries to achieve overall wellbeing |
2,324 |
| 91 | 2,289 | |
| 92 |
The Very Grouptheverygroup.jobs
An online retailer offering a wide range of products with flexible payment options to help families say yes to the things they love |
2,226 |
| 93 |
S&Wswgroup.com
Financial and professional services firm specializing in wealth management, accountancy, tax advisory, and investment management solutions. |
2,218 |
| 94 |
SunLife UKsunlife.co.uk
Providing support and services tailored for individuals aged 50 and above to enhance life quality and enjoyment. |
2,164 |
| 95 |
Collinson Groupcollinsongroup.com
Global company specializing in travel solutions, airport experiences, loyalty programs, insurance, and customer engagement for millions of consumers worldwide |
2,108 |
| 96 |
Skipton Building Societyskipton.co.uk
Providing home loans, savings, and financial wellbeing support through a nationwide branch network and a diverse group of companies. |
2,077 |
| 97 |
Evelyn Partnersevelyn.com
A leading UK wealth management and professional services group providing good advice to individuals and businesses for almost 200 years |
2,048 |
| 98 | 2,025 | |
| 99 |
Shop Directtheverygroup.jobs
A leading digital and fintech retailer in the UK, offering a wide range of brands and flexible payment options for 4 million customers |
1,996 |
| 100 |
Bupa Globalbupaglobal.com
Provides premium international health insurance plans with holistic wellness focus, continuous service improvement, and coverage at home or abroad. |
1,994 |
Turn this list into pipeline
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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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