| # | Company | Employees |
|---|---|---|
| 1 |
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 |
| 2 |
Currently looking for a new opportunitymikeleys.com
Specializing in growth marketing for start-ups in online, SaaS, and apps, with expertise in customer acquisition, retention, and monetization strategies |
587 |
| 3 |
Crippscripps.co.uk
A B Corpβ’ certified law firm prioritizing client needs, offering personalized legal solutions to support ambitions and create a sustainable economy |
528 |
| 4 | 336 | |
| 5 |
Sentinelsentinelstaffing.com
Connecting exceptional professionals with opportunities across various sectors to enable transformation, innovation, and sustainable performance for organizations worldwide. |
282 |
| 6 |
Childrensalonchildrensalon.com
It offers a wide range of beautiful childrenswear from top brands, emphasizing family values, creativity, and a commitment to philanthropy. |
271 |
| 7 |
AVT Media Groupavtmedia.com
The company specializes in creating compelling content for websites, print materials, social media platforms, and video productions |
237 |
| 8 |
Infinity Group UKinfinitygroup.co.uk
Providing Microsoft-based technology services and managed solutions to improve productivity, security, and digital transformation for businesses. |
184 |
| 9 |
Perrysperrysaccountants.co.uk
A dynamic accounting firm committed to hiring engaging professionals who work closely with clients to build successful businesses Far from the traditional stereotype |
157 |
| 10 |
VisionTrackvisiontrack.com
VisionTrack is an industry leader in connected vehicle camera and video telematics, providing solutions for fleet, transport, and insurance sectors worldwide |
95 |
| 11 |
adooradoor.co.uk
Online platform streamlining house moves by connecting all parties, providing updates, transparency, helpful hints, and reducing communication inefficiencies Launch date: March 2021 |
68 |
| 12 |
Natural Fit Clubnaturalfit.co.uk
Wellness establishment in Tunbridge Wells & Hove offering gym, classes, spa, cafe, and lounges Focus on natural potential, movement improvement, and physical confidence |
37 |
| 13 | 37 | |
| 14 |
Food Team International LTDfood-team.co.uk
Agents & broker supplying a wide range of high-quality food products globally to retailers, wholesalers, and manufacturers, with a focus on constant improvement and meeting market needs |
36 |
| 15 |
Women of FinTech
A FinTech community advocating for gender diversity and inclusion, welcoming everyone to join for free Contact us to learn more |
32 |
| 16 |
Avid Gamesavid.games
Passionate team behind mobile game 'Cards, the Universe, and Everything' Works with top brands like F1, NFL, NBA, Discovery Avid gamers and learners |
29 |
| 17 |
Darwin Clayton (UK) Ltddarwinclayton.co.uk
Established UK insurance broker offering innovative products, quality service, and competitive premiums to various business sectors with a focus on customer satisfaction and professional claims handling |
27 |
| 18 |
Intelligent Salon Software - SalonIQsaloniq.com
Provides simple, powerful online software for salons to manage appointments, marketing, stock, referrals, and multi-location operations efficiently. |
27 |
| 19 |
Reliance Mutual Insurance Society Limitedutmost.co.uk
Established in 1911, this life insurance and pensions provider manages over Β£18bn and 200,000 policies with a focus on quality service and products |
27 |
| 20 |
Adina | B Corp β’cosmeticingredients.co.uk
A team of experts in beauty & personal care ingredients, offering sourcing, sampling, product development support, trends analysis & market insights |
18 |
| 21 |
The Mason Foundationmasonfoundation.co.uk
The Mason Foundation supports communities in becoming happier, healthier, and more active through The Mason Mile, a community-based walking program accessible to all |
16 |
| 22 |
Razorthorn Securityrazorthorn.com
A trusted cybersecurity consultancy with over 15 years of experience, offering tailored solutions to defend against cyber threats and ensure compliance |
15 |
| 23 |
Pyser Opticspyseroptics.com
Specialist UK manufacturer of precision optical and electro-optical equipment for defense, security, broadcast, CCTV, and other sectors worldwide |
13 |
| 24 |
Burrells Jewellersburrells.co.uk
Highly respected independent family jeweller with luxurious boutiques offering world's finest watch and jewellery collections, supported by talented experts |
11 |
| 25 |
Darwin Clayton Partner Brokersdcpartnerbrokers.co.uk
One of the UK's oldest Independent Insurance Brokers, known for offering innovative insurance products, quality service, and competitive premiums |
10 |
| 26 |
The Health Insurance Specialists (THIS)healthinsurancespecialists.co.uk
A UK-based private health insurance broker offering free quotes, unbiased market reviews, policy comparison, expert advice, and corporate health insurance solutions |
6 |
| 27 |
Sharp Minds Communicationssharpminds.agency
A marketing and PR agency specializing in strategic communications, providing comprehensive solutions and fostering long-term relationships with ambitious businesses |
5 |
| 28 |
Fashion Delivered Ltdfashiondelivered.com
The company utilizes advanced technology in garment production, offering efficient and innovative solutions for established brands and startups in the fashion industry |
3 |
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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.
The same list elsewhere in United Kingdom
- The largest companies in the United Kingdom 30,833
- The largest companies in England 27,553
- The largest companies in Scotland 1,331
- The largest companies in Wales 473
- The largest companies in Northern Ireland 297
- The largest companies in London 11,154
- The largest companies in Manchester 717
- The largest companies in Birmingham 410
- The largest companies in Leeds 393
- The largest companies in Edinburgh 380
- The largest companies in Glasgow 346
- The largest companies in Cambridge 235
- The largest companies in Nottingham 214
- The largest companies in Liverpool 210
- The largest companies in Bristol 198
- The largest companies in Newcastle upon Tyne 184
- The largest companies in Milton Keynes 181
- The largest companies in Leicester 180
- The largest companies in Sheffield 180
- The largest companies in Reading 169
- The largest companies in Oxford 167
- The largest companies in Cardiff 154
- The largest companies in Coventry 143
- The largest companies in Belfast 137