| # | Company | Employees |
|---|---|---|
| 1 | 52,216 | |
| 2 |
University of Leedsleeds.ac.uk
A top research university in the UK with a focus on creating knowledge, educating students, and making a positive impact through research and innovation |
14,683 |
| 3 |
Jet2.com and Jet2holidaysjet2careers.com
A leisure flight and package holiday operator with over 40 years of success, offering great value and service across Europe |
8,917 |
| 4 |
Leeds City Councilleeds.gov.uk
Local government authority delivering over 500 services to residents, supporting a vibrant, prosperous, and culturally rich metropolitan city. |
8,866 |
| 5 |
Leeds Teaching Hospitals NHS Trustleedsth.nhs.uk
One of Europe's largest acute hospital trusts in Leeds, providing healthcare, specialist services, training, research, and pioneering treatments with 20,000 employees |
6,812 |
| 6 |
BOUTIQUEweareboutique.co.uk
A fiercely independent agency focused on delivering ambitious media, digital, PR, and social solutions for clients driven by growth and results |
5,825 |
| 7 |
Flutter UK & Irelandcareers.flutteruki.com
A diverse group of brands within the UK & Ireland gambling industry focused on innovation, safety, and individual authenticity for employees |
5,215 |
| 8 |
Leeds Beckett Universityleedsbeckett.ac.uk
A modern professional university in Leeds, focused on student success, innovation, and global impact, with a rich history dating back to 1824 |
4,958 |
| 9 |
NG Baileyngbailey.com
A leading UK engineering and services business with a focus on excellence, integration, apprenticeship schemes, and investing in training and development |
4,914 |
| 10 |
PureGympuregym.com
Affordable, flexible gyms offering inclusive, judgement-free fitness spaces promoting healthier lives for diverse members across multiple international locations. |
3,909 |
| 11 |
Farnell Globalbit.ly
distribution of electronic and industrial components supporting design, prototype, production, maintenance, and repair with global reach and expertise |
2,679 |
| 12 |
Lanes Grouplanesgroup.com
A diversified wastewater solutions provider offering drainage, rail maintenance, sewer rehabilitation, and environmental services with a focus on innovation and service excellence |
2,125 |
| 13 |
Freedomfreedom-group.co.uk
A company that offers end-to-end solutions in engineering, IT, and facilities services, with a strong focus on customer service and employee development |
1,925 |
| 14 |
Health Education Englandlinktr.ee
Collaborate with partners to plan, recruit, educate, and train the health workforce, supporting NHS England's workforce development goals. |
1,916 |
| 15 |
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 |
| 16 |
Tetra Tech Europetetratech.com
A leading consulting and engineering services provider, specializing in sustainable solutions for diverse projects in the UK and Europe |
1,634 |
| 17 |
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 |
| 18 |
Leeds City Collegeleedscitycollege.ac.uk
A large UK further education establishment offering diverse courses to over 45,000 students, with a focus on support, innovation, and life-changing education |
1,503 |
| 19 |
Professional Securityprofessionalsecurityuk.com
Provides security services specializing in hospitality and events, offering guarding, retail protection, and transport security nationwide, focusing on quality and client partnership. |
1,491 |
| 20 |
Emerald Publishingemeraldgrouppublishing.com
This company challenges tradition and calls for change in the sector to create a more equitable environment with real impact |
1,304 |
| 21 |
Cox Automotive Europecoxautoinc.eu
Driving digital transformation in automotive industry through innovative solutions for defleet, remarketing, retail, and mobility operations, in partnership with customers worldwide |
1,208 |
| 22 |
NHS England Digital Professiondigital.nhs.uk
Community of digital experts collaborating across NHS England to develop innovative products, services, and systems improving care for patients and staff. |
1,201 |
| 23 |
Leeds Trinity Universityleedstrinity.ac.uk
Employer-focused university offering personalized support, professional work placements, and a focus on employability to help students succeed in the job market |
1,156 |
| 24 |
Zenith Vehicleszenith.co.uk
Leading provider of vehicle leasing, fleet management, and outsourcing solutions in the UK, offering superior service through innovative technology and dedicated team |
1,114 |
| 25 |
Leeds and York Partnership NHS Foundation Trustleedsandyorkpft.nhs.uk
Specialist mental health and learning disability services provider in Leeds and Yorkshire, focusing on improving well-being through effective and accessible care |
1,096 |
| 26 |
WYG Grouptetratecheurope.com
An award-winning professional services firm offering management consultancy, project management, technical services, and international development solutions to create value and manage risk |
1,056 |
| 27 |
Maria Mallaband Care Group Ltdmmcgcarehomes.co.uk
A leading UK care home provider with over 80 homes, offering high standards of care, awards, career development, and various job opportunities |
1,046 |
| 28 |
Leeds Community Healthcare NHS Trustleedscommunityhealthcare.nhs.uk
A healthcare trust offering a variety of community healthcare services for adults and children, emphasizing quality care and positive patient experiences |
1,034 |
| 29 |
Uber Agencyuberagency.com
Creative advertising agency focused on brand development, offering communication services with a straightforward approach Recognized by industry publications and recommended agency |
1,022 |
| 30 |
EMISemishealth.com
The company is a UK leader in providing clinical IT systems for healthcare organizations, promoting joined-up patient care across various healthcare services |
1,005 |
| 31 |
first directfirstdirect.com
provides personal banking products with 24/7 customer service via mobile, online, and telephone channels, focusing on easy, seamless access |
998 |
| 32 |
Doncasters Groupdoncasters.com
Leading international manufacturer of high-precision alloy components for aerospace, industrial gas turbine, automotive, and petrochemical markets with expertise in precision casting and superalloy production |
959 |
| 33 |
Venturaventura.co.uk
A leading UK outsourcer with 40 years of experience, partnering with blue chip and government organizations to provide onshore and offshore outsourcing solutions |
932 |
| 34 |
Northern Gas Networksnortherngasnetworks.co.uk
Distribution and maintenance of extensive gas pipeline network across northern England, ensuring safe, continuous gas supply and emergency response services. |
932 |
| 35 | 912 | |
| 36 |
Leeds Unitedleedsunited.com
A historic football club with a legacy of recruiting talented players and achieving success in various domestic and international competitions |
893 |
| 37 |
NIC Services Group Ltdnicgroup.co.uk
A leading contract cleaning and support service company in the UK & Ireland, serving household name clients with thousands of employees |
878 |
| 38 |
HGF Limitedhgf.com
Leading European firm providing fully integrated IP solutions with over 200 specialists in patents, trademarks, designs, and legal services across various industries |
871 |
| 39 |
West Yorkshire Combined Authoritywestyorks-ca.gov.uk
The company is a Combined Authority responsible for overseeing major investment and transportation projects in the region, working closely with various stakeholders |
806 |
| 40 |
Country Style Foodsrisewithcountrystyle.com
Specializing in in-store bakery products and bake-off items for retail sales and consumption |
788 |
| 41 |
Eville & Joneseandj.co.uk
Provision of outsourced official veterinary controls including audit, verification, and enforcement in animal health, public health, and welfare. |
720 |
| 42 |
StepChange Debt Charitylinktr.ee
A registered charity providing free, confidential debt advice and support to individuals in the UK, aiming to create a society free from problem debt |
713 |
| 43 |
Yorkshire Housingyorkshirehousing.co.uk
Providing quality homes in Yorkshire, managing 18,000 properties with plans for expansion Also hosting podcast "Raising the Roof" on various platforms |
711 |
| 44 |
SBFMsb-fm.co.uk
SBFM is a leading soft FM service provider in the UK and Ireland, focusing on innovation, technology, and employee development for sustainable facilities management solutions |
700 |
| 45 |
Asda Logistics Servicescorporate.asda.com
Providing superior service to customers with a focus on operational excellence, setting the standard for industry leadership |
674 |
| 46 |
Fiverr Gig Promotion USAfiverr.com
This company specializes in social media and digital marketing services, including Facebook and LinkedIn promotion, influencer marketing, and business lead generation |
671 |
| 47 |
IMAima.global
IMA-HOME is a fully integrated agency with 400 specialists worldwide, creating brands for real people and partnering with top companies like adidas and Reebok |
645 |
| 48 |
Hippohippodigital.co.uk
Designs and builds bespoke digital services using data, human-centered design, and engineering, focusing on inclusive and impactful solutions for organizations and society. |
631 |
| 49 |
Farnell Electronicsbit.ly
Farnell Electronics is a global distributor providing products and services for electronic and industrial system design, maintenance, and repair with expertise in end-to-end delivery |
607 |
| 50 |
Pharmacy2U | Certified B Corppharmacy2u.co.uk
A leading UK online pharmacy providing NHS repeat prescriptions, healthcare products, online GP consultations, and pharmacy services with a focus on patient care |
598 |
| 51 |
Walker Morris LLPwalkermorris.co.uk
Providing tailored, strategic legal advice and services through a diverse team of talented lawyers and professionals to global clients. |
589 |
| 52 |
Alexander Mann Solutionsweareams.com
A global leader in talent acquisition and management services, providing innovative solutions to attract, engage, and retain top talent for organizations worldwide through consulting and outsourcing services |
587 |
| 53 |
The QHotels Collectionqhotels.co.uk
A collection of resorts and hotels offering four-star facilities, award-winning spas, championship golf courses, and exceptional service across the UK |
577 |
| 54 |
NIHR Clinical Research Networkac.uk
The company supports high-quality health and care research in England, providing resources, coordination, and support services for organizations, staff, and patients |
572 |
| 55 |
Mach Recruitment Ltdmach.co.uk
The company provides innovative and proactive on-site, temporary, and permanent recruitment services with a focus on meeting all staffing needs efficiently |
567 |
| 56 |
St Anne's Community Servicesst-annes.org.uk
St Anne鈥檚 Community provides quality services for people with learning disabilities, mental health issues, substance use, and homelessness in Yorkshire and the North East |
566 |
| 57 |
Leeds Arts Universityleeds-art.ac.uk
Specialist arts university in the North of England, delivering high quality art and design education for over 160 years Committed to student-centered values |
541 |
| 58 |
Manheim UKmanheim.co.uk
A leading automotive service organization offering wholesale vehicle marketplaces, inspection services, and physical operations for manufacturers, fleets, and dealers |
504 |
| 59 |
Rhodar Ltdrhodar.co.uk
Leading company asbestos removal, demolition, remediation, and passive fire protection services across the UK, delivering high-end projects for various sectors. |
500 |
| 60 |
Leeds University Unionluu.org.uk
A student-focused organization at the University of Leeds providing advice, activities, events, commercial outlets, democracy, and community projects for over 38,000 students |
497 |
| 61 |
Sweco UKsweco.co.uk
A leading architecture and engineering consultancy, Sweco plans and designs sustainable communities and cities for the future worldwide |
489 |
| 62 |
Sky Betting & Gamingcareers.flutteruki.com
A leading tech and digital company with 5 brands, focused on understanding and delivering what customers want, within a supportive and diverse community |
484 |
| 63 |
Akari Careakaricare.co.uk
Passionate care provider ensuring residents feel stimulated, cherished, and loved, offering a life-enhancing environment for a new lease on life |
477 |
| 64 |
Yorkshire Bankuk.virginmoney.com
Provides personal and business banking services through local branches and centres, focusing on community dedication and regional support. |
459 |
| 65 |
Hain Celestial UKhain.com
Leading UK food company producing quality, transparent, and responsible food and drinks focused on healthier living and customer needs. |
453 |
| 66 |
Capita Customer Managementcapitacustomermanagement.co.uk
Specializing in customer management, we work with top brands to handle the entire customer journey and product lifecycle, guaranteeing transformative results |
453 |
| 67 |
Progenytheprogenygroup.com
An integrated UK firm offering financial planning, asset management, tax, HR, legal services, and more to make a positive impact for clients and society |
428 |
| 68 |
Luminate Education Groupbit.ly
A dedicated education group focused on ensuring success through support, inspiration, central services, and being a guiding light for staff and students |
415 |
| 69 |
Leeds University Business Schoolbusiness.leeds.ac.uk
Leading business school offering undergraduate, masters, MBA, PhD, and executive education to students worldwide, with triple accreditations and high rankings |
413 |
| 70 |
Stowe Family Law LLPstowefamilylaw.co.uk
Specialist family law firm with a national and international reputation, offering a wide range of services including divorce, mediation, and prenuptial agreements |
391 |
| 71 |
Bailie Groupbailiegroup.co.uk
A family-owned group of agencies and consultancies focused on improving lives through knowledge sharing, innovative projects, and strategic investments |
390 |
| 72 |
VICTVSvictvs.co.uk
Global EdTech company specializing in assessment technology, infrastructure, and remote invigilation Supporting education opportunities worldwide through innovative solutions |
389 |
| 73 |
Arc Inspirationsarcinspirations.com
An innovative bar group in the North of England, operating 3 brands with 20 venues, offering top drinks, food, and experiences for all occasions |
383 |
| 74 |
BTG Eddisonseddisons.com
Providing expert advice and professional services in the real estate sector, specializing in delivering innovative solutions for clients nationwide and overseas |
381 |
| 75 |
Ideal Carehomesidealcarehomes.co.uk
Luxurious residential and dementia care homes provider in England with dedicated staff focused on person-centered care for residents Award-winning care provider |
380 |
| 76 |
First Actuarialfirstactuarial.co.uk
First Actuarial provides personalized pension advisory services, prioritizing client needs and professional integrity, with a focus on employee financial security and development |
378 |
| 77 |
National Wealth Fundnationalwealthfund.org.uk
government-owned bank financing infrastructure projects to support climate action, regional growth, and private sector partnerships across the UK |
371 |
| 78 |
Redmayne Bentley LLPredmayne.co.uk
Independent firm offering bespoke investment management, stockbroking, ISAs, SIPPs, focusing on personalized client service and wealth enhancement. |
369 |
| 79 |
Opera Northoperanorth.co.uk
A leading arts organization in the North producing high quality opera that collaborates with artists in various media forms |
366 |
| 80 |
Howarth Timber and Building Supplies Ltdhowarth-timber.co.uk
A family-run business with over 180 years of experience providing a wide range of products, expertise, and service in the timber and building materials industry |
365 |
| 81 |
2plan wealth management Ltd2plan.com
A leading UK financial network offering client-led professional advice, technology-based processes, and robust compliance for financial planning and wealth management |
364 |
| 82 |
IDHLidhlagency.com
A full-service digital marketing agency specializing in SEO, paid media, web development, eCommerce strategy, email marketing, and data management |
363 |
| 83 |
Professional Squash Associationpsasquashtour.com
Global organization promoting men's and women's professional squash through PSA World Tour and Challenger Tour, showcasing top players in prestigious events worldwide |
361 |
| 84 |
CSGcsgtalent.com
Global talent experts specializing in permanent and executive search, with a focus on seven major practice areas, connecting clients and candidates for long-term success |
354 |
| 85 |
Leeds Bradford Airportleedsbradfordairport.co.uk
An airport located in Leeds Bradford, Yorkshire offering travel services and facilities for passengers and airlines |
352 |
| 86 |
Resolver, formerly Crispresolver.com
It provides risk intelligence solutions using AI and human expertise, helping businesses manage risks and recover from crises effectively. |
352 |
| 87 | 348 | |
| 88 |
Leeds College of Buildinglcb.ac.uk
The company is a further and higher education college in the UK specializing in construction and the built environment, offering various progression pathways and emphasizing values such as respect, aspiration, integrity, and accountability |
346 |
| 89 |
Xercise4Lessfeel-electric.com
Health tech company focused on promoting emotional well-being and mental health through innovative digital solutions |
335 |
| 90 |
CPP Groupcorporate.cppgroup.com
Technology-driven company providing embedded and ancillary assistance products and resolution services to minimize disruption in everyday life. |
333 |
| 91 |
Fuel Card Services Ltdfuelcardservices.com
Fuel Card Services offers fuel management solutions, including fuel cards and Tele-Gence for intelligent fuel management, to drive down costs and simplify administration |
332 |
| 92 |
Clarion Solicitorsclarionsolicitors.com
A team of experienced lawyers and support staff focused on building strong partnerships, protecting clients, and fostering growth and success |
328 |
| 93 |
Ison Harrison Solicitorsisonharrison.co.uk
A team of solicitors and lawyers providing a comprehensive range of legal services for individuals and businesses with a strong reputation for quality |
328 |
| 94 |
GMI Construction Group PLCgmi.co.uk
Established in 1986, we provide construction, development, and engineering services to public and private clients in the UK We emphasize sustainability and innovation |
325 |
| 95 |
International Personal Finance Plcipfin.co.uk
providing simple, affordable financial solutions globally through home credit and digital services, supporting underserved customers' financial needs and education |
318 |
| 96 |
First Response Groupfirstresponsegroup.com
Leading security, risk, and FM provider in the UK, offering manned security, technology solutions, building management, and vacant property services nationwide |
312 |
| 97 |
Simpson Millar Solicitorssimpsonmillar.co.uk
A consumer law firm with a history dating back to 1841, offering transparent and straightforward legal services while prioritizing client communication and accessibility |
310 |
| 98 |
TaskMaster Resourcestmrec.com
An independent recruitment organization competing with big agencies, offering flexible, efficient, and professional services to blue chip companies and public institutions |
308 |
| 99 |
Steepersteepergroup.com
A healthcare technology and innovation specialist focused on prosthetics, orthotics, and assistive technology, creating turning points that enhance lives |
289 |
| 100 |
Andrew Page - The Autoparts Peopleukandireland.lkqeurope.com
A leading UK distributor of car parts, workshop equipment, tools, and diagnostics, dedicated to providing top-quality components with excellent availability |
283 |
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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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