| # | Company | Employees |
|---|---|---|
| 1 | 208,511 | |
| 2 | 92,092 | |
| 3 |
BAE Systemsbaesystems.com
The company provides advanced technology-led defense, aerospace, and security solutions, with a skilled workforce in over 40 countries, focusing on innovation and long-term commitment |
55,143 |
| 4 |
FCA Fiat Chrysler Automobilesstellantis.com
A leading automaker and mobility provider now known as Stellantis, dedicated to creating innovative transportation solutions for the future |
47,673 |
| 5 | 46,311 | |
| 6 |
Diageodiageo.com
Global leader in premium drinks, with over 200 brands sold in 180 countries Committed to sustainability, innovation, and excellence worldwide |
34,137 |
| 7 |
Rolls-Roycerolls-royce.com
Engineering excellence driving critical technologies for air, sea, and land, powering, protecting, and connecting people worldwide. |
31,649 |
| 8 |
CHANELchanel.com
A global leader in luxury product creation, CHANEL offers a wide range of high-end fashion, accessories, fragrances, skincare, and more |
30,431 |
| 9 |
Haleonhaleon.com
The company is focused on improving everyday health through a human-centered approach They promote community guidelines for social media interactions #HelloHaleon |
18,581 |
| 10 |
Babcock International Groupbabcockinternational.com
An international defence company providing product and service solutions to enhance customers' capabilities and assets, offering opportunities for professionals to grow |
16,474 |
| 11 |
Hitachi Railhitachirail.com
Hitachi Rail provides innovative technology solutions for rail transportation, focusing on sustainability, digital transformation, and reducing carbon emissions globally |
15,527 |
| 12 |
DS Smithdssmith.com
Innovative packaging solutions, paper products and recycling services using renewable resources to minimize environmental impact while optimizing supply chains for increased profitability. |
13,157 |
| 13 | 12,070 | |
| 14 |
GKN Automotivegknautomotive.com
Development and supply of advanced driveline systems and electric drive technologies powering millions of electrified vehicles worldwide. |
8,992 |
| 15 |
Johnson Mattheymatthey.com
development of sustainable technologies supporting energy, chemicals, and automotive sectors to decarbonise, reduce emissions, and enhance sustainability |
8,592 |
| 16 |
Pentairpentair.com
This company provides sustainable water solutions for residential, business, and industrial use globally, focusing on improving lives and the environment |
7,711 |
| 17 |
Convatecconvatecgroup.com
Delivering pioneering and trusted medical solutions focused on improving the lives of patients and healthcare providers worldwide. |
6,954 |
| 18 |
Bakkavorgreencore.com
A leading provider of fresh prepared private label food products for global grocery retailers and international foodservice operators in UK, US, and China |
4,934 |
| 19 |
Tate & Lyletateandlyle.com
Provide specialty sweeteners, fibers, texturants, and stabilizers to improve health, taste, shelf-life, and nutrition in food products globally. |
4,797 |
| 20 |
LivaNovalivanova.com
Global medical technology company with advanced technologies and breakthrough treatments focused on improving patient lives worldwide in cardiopulmonary and neuromodulation |
3,545 |
| 21 |
Invensys - Acquired by Schneider Electricse.com
Designing and supplying advanced technologies that optimize operational performance and profitability for industrial and commercial customers, including software, systems, and controls. |
3,544 |
| 22 |
Charlotte Tilbury Beautycharlottetilbury.com
Global beauty brand founded by makeup artist Charlotte Tilbury, offering award-winning makeup and skincare products loved by supermodels and icons worldwide Join the Dream Team today! |
3,357 |
| 23 |
pladis Globalpladisglobal.com
Global snacking company producing sweet and savory biscuits, wafers, cakes, and chocolates with a focus on quality and innovation. |
3,138 |
| 24 |
Dr. Martens plcdrmartens.com
Design and manufacture of iconic British air-cushioned boots known for durability, comfort, and association with rebellious subcultures worldwide. |
2,539 |
| 25 |
Ultra Electronics Groupcobhamultra.com
Global defense and security company providing mission-critical solutions in C2ISR, underwater warfare, and intelligent sensors for government and military needs. |
2,532 |
| 26 |
Accord Healthcareaccord-healthcare.com
Development, manufacturing, and distribution of affordable medicines across over 85 countries, focusing on patient access and healthcare improvement. |
2,038 |
| 27 |
Jimmy Choorow.jimmychoo.com
Luxury fashion house offering iconic shoes, handbags, accessories, and fragrances Embracing diversity, equality, and inclusion in all aspects of business |
1,987 |
| 28 |
Synthomersynthomer.com
A global leader in acrylic and vinyl emulsions, specialty polymers, and latex products for various industries worldwide |
1,870 |
| 29 |
KlΓΆckner Pentaplastkpfilms.com
Global provider of rigid and flexible packaging and specialty films, focusing on sustainability, product protection, and customer value enhancement. |
1,866 |
| 30 | 1,800 | |
| 31 |
ghdghdhair.com
A stylish and innovative company known for its acclaimed range of hair stylers, focused on growth, innovation, and global expansion |
1,772 |
| 32 |
INEOS Inovyninovyn.com
Leading European producer of vinyls and related chemicals, supplying diverse industries including automotive, construction, healthcare, and water treatment. |
1,719 |
| 33 |
Huntinghuntingplc.com
Global energy services provider to top oil and gas companies, specializing in manufacturing and distributing products for extraction Headquartered in the UK |
1,713 |
| 34 |
Tropic Skincaretropicskincare.com
We create ethical and effective beauty products in the UK, with clinically tested formulas and a commitment to real change |
1,659 |
| 35 |
Finlaysfinlays.net
Leading B2B supplier of tea, coffee, and botanical solutions globally Connecting humanity through natural beverages while promoting health, happiness, and sustainability |
1,367 |
| 36 |
Alexander McQueenalexandermcqueen.com
It is a British luxury fashion house known for its individuality, strength, and uncompromising quality under creative direction of SeΓ‘n McGirr. |
1,180 |
| 37 |
Smiths Interconnectsmithsinterconnect.com
Design and manufacture of high-reliability electronic components, microwave, optical, and RF products for aerospace, defense, medical, semiconductor, and industrial markets. |
1,090 |
| 38 |
NextPharmanextpharma.com
NextPharma is a leading European CDMO partner offering fast, flexible, and personalized solutions for pharmaceutical development and manufacturing in various industries |
977 |
| 39 |
innocent drinksinnocentdrinks.co.uk
Producing and selling a variety of healthy fruit and vegetable drinks, including smoothies, juices, kids drinks, and innovative beverages across Europe. |
896 |
| 40 |
ELEMISelemis.com
Award-winning British skincare brand with B Corp certification providing high-quality skin products while meeting high standards of social and environmental performance. |
885 |
| 41 |
Greenergygreenergy.com
A leading supplier of waste-based renewables and transportation fuels, committed to driving transport decarbonisation through reliable customer service and global supply chain |
879 |
| 42 |
Decathlon UKdecathlon.co.uk
A family-owned company offering expertly designed products for over 70 sports, creating accessible and affordable shopping experiences nationwide |
794 |
| 43 | 786 | |
| 44 | 748 | |
| 45 |
Associated British Foods plcabf.co.uk
Diversified international group operating in food, ingredients, and retail sectors with global presence and focus on sustainable growth. |
725 |
| 46 |
Vivienne Westwoodviviennewestwood.com
Independent global fashion company producing clothes and accessories, raising awareness of environmental and human rights issues through design. |
721 |
| 47 |
Molton Brownmoltonbrown.co.uk
Luxury British brand specializing in high-quality perfumes, bath, body, hair, and home products made sustainably in England. |
633 |
| 48 |
Colartcolart.com
Global market leader in art materials, offering premium brands like Winsor & Newton, Liquitex, and more to support the creative community worldwide with excellence and innovation |
582 |
| 49 |
Creedcreedfragrances.co.uk
A legacy of unrivaled scents, creating over 200 perfumes with the finest materials using traditional infusion technique for superior quality and authenticity |
440 |
| 50 |
The Delta Groupthedeltagroup.com
The Delta Group provides end-to-end services in creativity, display, and technology to empower brands to connect with consumers globally |
427 |
| 51 |
Suntory Beverage & Food GB&Isuntorybeverageandfood-europe.com
A leading UK soft drinks manufacturer focused on sustainability, active lifestyles, and positive impact, owned by the innovative Suntory Group |
404 |
| 52 |
dunhilldunhill.com
Leading British luxury brand offering refined tailoring, ready-to-wear, leather goods, gifting, and hard luxury pieces with 130 years of craftsmanship and innovation |
388 |
| 53 |
Crabtree & Evelyncrabtree-evelyn.com
A socially-led, digitally-driven company creating beauty and lifestyle products with potent ingredients, sensorial textures, and solution-focused formulas sold online globally |
363 |
| 54 |
DAIdematic.com
Global software development group within Dematic, designing and supporting intelligent automated solutions for manufacturing, warehousing, and distribution worldwide Part of KION Group |
311 |
| 55 |
Aspreyasprey.com
Luxury goods house specializing in British jewelry and high-end products, known for exacting craftsmanship, finest materials, and timeless treasures |
239 |
| 56 |
Unilever Prestige - UK HUB
The company has launched a new division focusing on premium luxury beauty and personal care brands including REN Clean Skincare and others |
166 |
| 57 |
Sunrise Groupsunrisechemical.com
Global chemical distributor integrating R&D, manufacturing, and trade Offers pharmaceuticals, pesticides, polyurethane, coatings, adhesives Operates multiple facilities, employs 600 people, and generated $36 billion in sales in 2022 |
138 |
| 58 |
CP Electronicslegrand.co.uk
Specializing in energy-saving controls for lighting, heating, and ventilation, the company offers innovative solutions to effectively manage lighting and reduce energy costs |
116 |
| 59 |
Dronamicsdronamics.com
Revolutionary fixed-wing cargo UAV enables affordable, long-distance transport, opening new trade routes and revolutionizing air cargo industry |
112 |
| 60 |
Le Chameaulechameau.com
Crafting unique handmade rubber boots using high-quality materials, traditional skills, and innovative techniques for nearly a century. |
110 |
| 61 |
Cummins Europecummins.com
Design, manufacture, and service advanced powertrain technologies including diesel, electric, hydrogen, and components for diverse industries across Europe. |
90 |
| 62 |
Bamfordbamford.com
A lifestyle brand creating women's clothing and bath & body products using natural, artisan-made materials inspired by nature and crafted with responsibility |
85 |
| 63 |
Austen & Blakeaustenblake.com
Specializing in handcrafted diamond jewellery, Austen & Blake creates customisable pieces to celebrate life's milestones, from engagement rings to pendants |
85 |
| 64 |
Crastercraster.com
A West London-based company passionate about creating intelligently designed luxury products for Hotel, Restaurant & Retail groups globally, with in-house design and manufacturing capabilities |
62 |
| 65 |
La Tua Pastalatuapasta.com
Family-owned company making artisan pasta in London since 2005, supplying restaurants and retailers in the UK and abroad with over 200 products |
60 |
| 66 |
Angels Costumesangels.co.uk
A leading costume provider for the entertainment industry with the largest collection globally, offering high-quality costumes for films, shows, and events |
58 |
| 67 |
Ralph & Russoralphandrusso.com
The company focuses on design and craftsmanship, setting new standards in luxury goods through tradition and innovation, with unrivaled customer experience worldwide |
56 |
| 68 |
Pai Skincarepaiskincare.com
Certified organic skincare brand specializing in clean, vegan, cruelty-free products designed specifically for sensitive skin with expert formulation. |
52 |
| 69 |
The Celtic Bakers Limitedthecelticbakers.co.uk
London's leading craft bakery specializing in hand-crafted breads and pastries for foodservice, retail, and private label, with a focus on organic ingredients, sustainability, and supporting refugees |
52 |
| 70 |
Garrardgarrard.com
Established in 1735, this prestigious jeweler has a rich history of creating iconic jewels and silverware for the British royal family |
52 |
| 71 |
Lee Kum Kee Europelkkprofessional.com
A globally recognized Chinese multinational corporation specializing in authentic Asian sauces and condiments, offering over 300 products to 100+ countries |
51 |
| 72 |
Modus | B Corpβ’modusfurniture.co.uk
A UK-based furniture company founded in 2000, committed to designing and manufacturing high-quality, creative furniture that enriches lives sustainably |
49 |
| 73 |
MΓ©tiermetier.com
Luxury leather goods house creating timeless pieces that enhance modern-day life and work through purposeful design |
44 |
| 74 |
Doughlicious The London Dough Co.doughlicious.co.uk
An award-winning dough company in London specializing in all natural, gluten-free, dairy-free, vegetarian, and vegan options using high-quality ingredients Available in various retailers |
43 |
| 75 |
Dina Foods Limiteddinafoods.com
Specializing in Mediterranean foods, Dina Foods offers a wide range of artisan flatbreads, savory dips, and traditional Baklawa confectionery |
42 |
| 76 |
Balfour Hospitalitybalfourwinery.com
A collection of boutique hotels, country inns, and restaurants in London and Kent with a focus on English Wine, offering luxury, fun, and English hospitality |
40 |
| 77 |
Dekel Agrivision PLC.dekelagrivision.com
Listed on AIM, DekelAgrivision operates in Cote D'Ivoire producing palm oil and investing in a cashew nut company |
39 |
| 78 |
Merci Mamanmercimamanboutique.com
Online jewellery brand specializing in hand-engraved, delicate pieces inspired by mother-child bonds, crafted in London and sold worldwide. |
36 |
| 79 |
Allied Gold Ltdallied.gold
A family-run jewellery business in London, specializing in UK-made wedding rings and bridal jewellery, offering a range of services to empower independent retailers |
36 |
| 80 |
Climpson & Sonsclimpsonandsons.com
Roasts, brews, and supplies ethically sourced coffee to various businesses, including unique coffee-based cocktails, with comprehensive support and training. |
35 |
| 81 |
SGW Globalsgwglobal.com
A global company specializing in designing, manufacturing, and distributing consumer electronic products and services with a focus on innovation and quality |
34 |
| 82 |
Continental Clothing Co.earthpositiveonline.com
Designer and manufacturer of ethically made, sustainable blank apparel products with a focus on reducing carbon footprint and promoting social responsibility |
33 |
| 83 |
Electric Hair - Londonelectric-hair.com
A leading UK-based hairdressing brand offering bespoke salon services, education programs, and professional products globally, founded by award-winning British hairdresser Mark Woolley |
32 |
| 84 |
Fibrisol Service Ltd (ICL Group)iclfood.com
Global manufacturer of transformative functional ingredients for food industry, specializing in meat, poultry, seafood, and vegan products, backed by technical support and expertise |
30 |
| 85 |
Brixton Brewerybrixtonbrewery.com
A company inspired by the vibrant culture of Brixton, creating beers that capture the essence of the neighborhood's history and spirit |
29 |
| 86 |
Spirit Clothing 2000 Ltd.spiritclothing2000.com
A family-run clothing manufacturer with over 40 years experience, specializing in designing and developing Womenswear for clients such as ASOS and Next Offering competitive prices and rapid turnaround |
29 |
| 87 |
label.mlabelm.com
An award-winning haircare product line developed by professional stylists, offering exceptional styling results and education through global academies and London Fashion Week collaborations |
29 |
| 88 |
Crumbs & Doilies Cupcakescrumbsanddoilies.co.uk
Offering the best cakes in London with a bespoke delivery service for cakes, cupcakes, and brownies, ensuring perfect condition for every order |
25 |
| 89 |
Henry Bailey Bespoke Tailoring Studio - The Tailor's Tailor - Top Bespoke Tailoring Servicehenrybailey.com
A leading bespoke tailoring studio specializing in handmade garments, preserving British craftsmanship traditions, and serving top tailoring companies and high-profile clients worldwide |
24 |
| 90 |
Blakes Londonblakeslondon.com
A design-focused company specializing in bespoke kitchen and joinery manufacturing, creating intricate solutions for clients in London, throughout the UK, and globally |
24 |
| 91 |
CP CLOTHING LTDcpgroup.co.uk
A leading bespoke fashion design and manufacturing company with studios in London and Hong Kong, offering quality garments to international markets |
24 |
| 92 |
The Riki Dalal Grouprikidalal.com
An international bridal gown designer known for elegant, hand-crafted designs that highlight women's beauty and silhouettes in Haute Couture fashion |
21 |
| 93 |
OSKIA Skincareoskiaskincare.com
Specializing in nutri-cosmeceutical skincare, we create bio-cellular formulations using clinical nutrients and high-tech actives for a healthy, glowing complexion |
21 |
| 94 |
ML MEATmlmeat.com
Family-owned manufacturer of high-quality meat products for over 40 years Specializing in sausages, saveloys, and burgers made from closely guarded family recipes |
20 |
| 95 |
Eaten Alive Ltdeatenalive.co.uk
Specializing in kimchi, sauerkraut, and chili products Founded by chefs to craft delicious ferments for professional kitchens and consumers alike |
19 |
| 96 |
Snog Frozen Yogurtifancyasnog.com
Innovative frozen yogurt company based in London, offering guilt-free indulgence with low-calorie, probiotic-packed products through retail, licensing, and manufacturing/distribution channels |
17 |
| 97 |
Press Coffee & Co.presscoffee.london
Operates speciality coffee shops in London and offers wholesale, slot, and contract roasting services to other businesses. |
16 |
| 98 |
Maya Magal Londonmayamagal.co.uk
Luxury handmade jewelry brand in London promoting creativity, zero waste production, and traditional craftsmanship through training future jewellers |
16 |
| 99 |
The Handmade Jewellery Company
Family-run business with skilled craftsmen creating bespoke jewellery using finest materials, traditional techniques, and personalized design process for each client's unique piece |
16 |
| 100 |
Delphi Foodsdelphifoodproducts.co.uk
A leading producer of chilled dips and salads, focused on innovative, high-quality products that cater to various dietary requirements and global markets |
16 |
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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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