| # | 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 |
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 |
| 5 | 55,656 | |
| 6 | 25,298 | |
| 7 |
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 |
| 8 |
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 |
| 9 |
Finastrafinastra.com
Focusing on OPEN Collaboration & Finance, Finastra provides innovative technology solutions for global financial services, promoting financial inclusion and diversity |
12,499 |
| 10 | 11,769 | |
| 11 |
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 |
| 12 |
Fidelity Internationalfidelityinternational.com
Offers global investment solutions, services, and retirement expertise to diverse clients, managing substantial assets for long-term financial futures. |
9,884 |
| 13 |
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 |
| 14 |
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 |
| 15 | 8,026 | |
| 16 |
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 |
| 17 |
Acuity Analyticsacuityanalytics.com
Provides bespoke research, analytics, and technology solutions to financial services, helping institutions operate efficiently and unlock human capital to drive revenue. |
7,619 |
| 18 |
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 |
| 19 | 6,270 | |
| 20 |
Financial Conduct Authorityfca.org.uk
Regulation and supervision of financial firms to ensure fair conduct, protect consumers, and maintain market integrity and stability. |
5,760 |
| 21 |
Aberdeenaberdeenplc.com
Providing wealth and investment services focused on helping clients plan, manage portfolios, and navigate financial futures with insight. |
5,527 |
| 22 |
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 |
| 23 |
Moniepoint Groupmoniepoint.com
A leading fintech company offering digital payment solutions, credit access, and business management tools to help businesses worldwide grow and succeed |
5,413 |
| 24 | 5,267 | |
| 25 |
LSEG Data & Analyticslseg.com
A global provider of financial markets data and infrastructure, enabling customers to gain insights through data, feeds, analytics, and workflow solutions |
5,147 |
| 26 |
Apex Group Ltd (UK Branch)apexgroup.com
Global financial services provider offering fund services, digital onboarding, custody, depositary, business services, and ESG advisory for asset managers and private clients. |
4,990 |
| 27 |
Schrodersschroders.com
Manages investments globally for institutions, intermediaries, and individuals, focusing on active management and sustainability to create prosperity and resilient outcomes. |
4,905 |
| 28 |
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 |
| 29 |
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 |
| 30 |
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 |
| 31 |
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 |
| 32 |
Fitch Group, Inc.fitch.group
Global leader in financial information services with operations in 30+ countries Offers credit ratings, research, risk solutions, training, and venture investments Dual headquarters in London and New York |
4,203 |
| 33 |
SumUpsumup.co.uk
A global financial technology company supporting over 4 million small merchants in 36 markets, committed to environmental and social causes |
4,186 |
| 34 |
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 |
| 35 | 3,717 | |
| 36 |
Paysafepaysafe.com
Specialised payments platform enabling businesses and consumers to connect and transact through payment processing, digital wallets, and online cash solutions. |
3,539 |
| 37 |
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 |
| 38 |
Admiral Group - MBA Leadership Programsadmiraljobs.co.uk
A company seeking future leaders who can make a difference, inspire teams, and grow into great leaders within a personalized and impactful environment |
3,515 |
| 39 |
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 |
| 40 |
Domestic & Generaldomesticandgeneral.com
Protection, repair, and care for household appliances including fridges, washing machines, TVs, and boilers, ensuring reliable home operation. |
3,376 |
| 41 | 3,323 | |
| 42 |
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 |
| 43 |
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 |
| 44 |
Standard Life Aberdeenabrdn.com
The company used to be known as Standard Life Aberdeen but rebranded to abrdn in July 2021 They offer various client-facing financial services globally |
3,204 |
| 45 |
Yorkshire Building Societyybs.co.uk
mutual financial institution managing assets for members, focusing on customer care, community support, and employee well-being. |
3,114 |
| 46 |
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 |
| 47 |
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 |
| 48 |
TradingViewtradingview.com
Social network and charting platform for traders and investors, used by 50 million+ users worldwide with open source charts used by financial giants |
2,761 |
| 49 | 2,752 | |
| 50 |
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 |
| 51 |
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 |
| 52 | 2,719 | |
| 53 |
Rathbonesrathbones.com
Providing investment and wealth management services to private clients, charities, trustees, and professional partners with a focus on responsibility. |
2,695 |
| 54 |
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 |
| 55 |
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 |
| 56 |
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 |
| 57 |
Financial Ombudsman Servicefinancial-ombudsman.org.uk
Free service resolving disputes between consumers and financial businesses, investigating complaints, ensuring fair treatment, and enforcing legal remedies. |
2,619 |
| 58 |
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 |
| 59 |
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 |
| 60 |
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 |
| 61 |
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 |
| 62 |
Checkout.comcheckout.com
A financial technology company providing a high-performance payments platform for enterprise and scaling businesses worldwide, processing payments, payouts, and managing card programs |
2,343 |
| 63 |
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 |
| 64 |
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 |
| 65 | 2,289 | |
| 66 |
Huntswoodhuntswood.com
A trusted partner offering resourcing, outsourcing, and advisory services to help clients succeed and create better outcomes |
2,287 |
| 67 |
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 |
| 68 |
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 |
| 69 | 2,025 | |
| 70 |
RBC Brewin Dolphinbrewin.co.uk
Providing personalised financial planning, investment management, and specialist advice to individuals, advisers, businesses, and charities for wealth growth and protection. |
1,967 |
| 71 |
Traditiontradition.com
Provides brokerage and market data services across capital and commodity markets, facilitating transactions in money markets, interest rates, equities, and energy derivatives. |
1,948 |
| 72 |
Lowelllowell.com
A leading credit management company in Europe offering debt purchasing, collections, and outsourcing services with a focus on ethical debt management |
1,905 |
| 73 |
Quilterquilter.com
A UK wealth management company dedicated to creating prosperity for present and future generations through high-quality investment products and services |
1,900 |
| 74 |
Ocorianocorian.com
A global provider of fund administration, capital markets, corporate, and compliance solutions for various clients, offering expertise, trust, and scale |
1,846 |
| 75 |
Dojodojo.careers
A scaling fintech company empowering businesses and diners with fast funding, payments, smart integrations, virtual queues, and restaurant bookings through innovative technology |
1,841 |
| 76 |
Ulster Bankulsterbank.co.uk
provides business banking services, expert insights, customer support, and maintains open communication channels with clear social media guidelines |
1,793 |
| 77 |
M&G Investmentsmandg.com
Global asset manager with over 90 years of experience, offering a range of investment solutions across various asset classes for customers worldwide |
1,761 |
| 78 |
Scottish Widowsscottishwidows.co.uk
Providing financial advisers with market-leading products, online tools, calculators, and dedicated support to build and protect client relationships. |
1,739 |
| 79 |
Cooper Parrylinktr.ee
This B Corp provides audit, tax, innovation, tech, outsourcing, deals, wealth, sustainability, legal, and digital services to entrepreneurial businesses. |
1,698 |
| 80 |
Ninety Oneninetyone.com
Independent global asset manager offering active strategies across equities, fixed income, multi-asset, and alternatives to institutions, advisors, and individual investors worldwide |
1,646 |
| 81 |
Barclays Private Bankprivatebank.barclays.com
A premier private bank offering specialized investment, banking, lending, and wealth advisory services to high-net-worth clients globally with tailored opportunities and expert advice |
1,615 |
| 82 |
Leeds Building Societyleedsbuildingsociety.co.uk
providing savings and mortgage services to help people achieve home ownership, supported by a passionate and innovative team |
1,604 |
| 83 |
Baillie Giffordbailliegifford.com
A leading UK investment management firm operated as a partnership by senior executives, focused on genuine long-term thinking for client stability and employee motivation |
1,598 |
| 84 |
Misysfinastra.com
It combines Misys and D+H to form a leading fintech company, Finastra, now the third largest in the world. |
1,535 |
| 85 |
CMC Marketscmcmarkets.com
Provides online trading and investing platforms with broad financial services, partnering with major organizations and innovating in fintech. |
1,517 |
| 86 |
Trading 212trading212.com
A company focused on democratizing financial markets through innovative products, with a mission to enable everyone to build wealth Regulatory compliance ensures investor protection |
1,502 |
| 87 |
XPS Groupxpsgroup.com
Leading UK pension consulting and administration business providing services to over 1,500 schemes, with awards for third-party administration, consultancy, and diversity |
1,492 |
| 88 |
AJ Bellajbell.co.uk
Provides UK customers and advisers with low-cost, wide investment choices, online tools, and services for managing SIPPs, ISAs, and accounts. |
1,488 |
| 89 |
Vanquisvanquis.com
Specialist bank offering credit cards, savings, vehicle finance, and a budgeting app focused on financial inclusion and responsible lending. |
1,484 |
| 90 |
Motability Operations Ltdmo.co.uk
Providing affordable vehicle leasing and comprehensive support services to over 815,000 disabled customers across the UK for independent mobility. |
1,368 |
| 91 |
OSTTRAosttra.com
A company specializing in post-trade solutions, fostering collaboration, innovation, and efficient processes for global financial markets across all asset classes |
1,360 |
| 92 |
Aviva Investorsavivainvestors.com
Global asset management firm focusing on client integration, delivering tailored investment solutions across asset classes with disciplined risk management. |
1,349 |
| 93 |
Just Group plcjustgroupplc.co.uk
specialist UK financial services group focused on helping people achieve better later life through socially purposeful retirement solutions |
1,349 |
| 94 |
Barnett Waddinghambarnett-waddingham.co.uk
Providing expert consultancy in risk, pensions, investment, and insurance with trusted partnerships and innovative solutions for diverse clients. |
1,346 |
| 95 | 1,346 | |
| 96 |
Standard Life plcstandardlifeplc.com
Providing retirement planning services, leveraging expertise and influence to improve customers' retirement journeys and future financial security. |
1,342 |
| 97 |
Resolution Liferesolutionlife.com
Global life insurance group specializing in reinsurance, acquiring, and managing portfolios of in-force life insurance policies worldwide. |
1,342 |
| 98 |
Novunanovuna.co.uk
Leading UK financial services company offering retail finance, personal loans, fleet support, asset finance, and business cash flow solutions to empower customers and colleagues |
1,341 |
| 99 |
Tullett Prebontpicap.com
A global interdealer broker facilitating trading activities in financial and energy sectors through various platforms, market data services, and award-winning brokerage solutions |
1,332 |
| 100 |
Standard Life UKstandardlife.co.uk
Management of pensions, savings, and retirement products with customer guidance, adviser collaboration, and a focus on sustainability and financial wellbeing. |
1,330 |
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 9, 2026.
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