| # | Company | Employees |
|---|---|---|
| 1 |
Greencoregreencore.com
Leading UK convenience food manufacturer supplying supermarkets, retailers, and foodservice with a wide range of products Emphasizes quality, sustainability, and innovation |
13,000 |
| 2 |
Hikma Pharmaceuticalshikma.com
Manufacturing and supplying over 800 generic, specialty, and branded pharmaceutical products to hospitals, physicians, and pharmacists globally. |
10,626 |
| 3 |
Almac Groupalmacgroup.com
Providing drug development, biomarker discovery, clinical trial supply, analytical services, and commercial manufacturing solutions for pharmaceutical and biotech companies worldwide. |
4,888 |
| 4 |
Bodycotebodycote.com
A global provider of heat treatment and thermal processing services, enhancing metal properties and extending component life for manufacturing processes worldwide |
3,265 |
| 5 |
MΓΌller UK & Irelandmuller.co.uk
Develops, manufactures, and markets a wide range of branded and private label dairy and plant-based products across UK and Ireland. |
3,119 |
| 6 |
TT Electronics plcttelectronics.com
Engineering and manufacturing electronics for medical, automation, aerospace, and defense sectors to enhance safety, health, and sustainability globally. |
3,059 |
| 7 |
Samworth Brotherssamworthbrothers.co.uk
Manufacturing and supplying quality chilled and ambient food products including pasties, malt loaf, and bakery items enjoyed across the UK. |
2,796 |
| 8 | 2,706 | |
| 9 |
Princes Groupprincesgroup.com
Production and distribution of branded and private-label food and drink products across multiple categories for diverse global customers. |
1,865 |
| 10 |
The Compleat Food Groupcompleatfood.com
Supplier of branded and own-label pastry, bakery, party food, plant-based products, and continental meats to UK retailers and foodservice. |
1,830 |
| 11 |
McBridemcbride.co.uk
This company is a top supplier of private label household and professional cleaning products for Europe's largest retailers, promoting teamwork and positive environment |
1,585 |
| 12 |
Allied Bakeries | part of Associated British Foods plcalliedbakeries.co.uk
National UK bakery producing and delivering fresh bread and bakery goods daily to supermarkets and stores across the country. |
1,252 |
| 13 |
KP Snackskpsnacks.com
Production and distribution of popular British snack brands, creating innovative snack products for UK retailers with ethical business practices. |
1,173 |
| 14 |
Randoxrandox.com
An international health diagnostics company offering a range of products including Biochip Array Technology, clinical chemistry analyzers, reagents, software, and biosciences portfolio |
1,100 |
| 15 |
MAGNA SPECIALIST CONFECTIONERS LTDmagna.co.uk
A leading UK co-manufacturer for global chocolate confectionery brands, producing over 20,000 tons of products annually Innovative, investing over Β£10 million in factory development |
1,014 |
| 16 |
NextPharmanextpharma.com
NextPharma is a leading European CDMO partner offering fast, flexible, and personalized solutions for pharmaceutical development and manufacturing in various industries |
977 |
| 17 | 940 | |
| 18 |
Sterling Pharma Solutionssterlingpharmasolutions.com
A global organization with 50+ years of experience providing API development and manufacturing services to the pharmaceutical industry, specializing in complex chemistries |
908 |
| 19 |
Baker & Bakerbakerandbaker.eu
Leading European supplier of donuts, muffins, brownies, cookies, cakes, specialty bread, and viennoiserie for retail and food service. |
884 |
| 20 |
Quotient Sciencesquotientsciences.com
A drug development and manufacturing accelerator offering integrated programs and tailored services to get drugs to patients faster and more efficiently |
811 |
| 21 |
Gardner Aerospacegardner-aerospace.com
Manufacturing finished metallic aerospace components with precision machining, sheet metal fabrication, and complex assemblies for global aerospace supply chains. |
777 |
| 22 | 761 | |
| 23 |
IPSipscontractpacking.co.uk
The UK's largest independent co-packer offering cost-effective and innovative co-packing solutions with a national network of facilities and dedicated staff |
757 |
| 24 |
C&C Groupcandcgroupplc.com
Manufactures, markets, and distributes branded cider, beer, wine, spirits, and soft drinks through leading distribution networks across the United Kingdom and Ireland. |
687 |
| 25 |
Finsbury Food Groupfinsburyfoods.co.uk
production of cakes, bread, bakery snacks for UK supermarkets, restaurants, hotels, pubs, including licensed celebration cakes and specialty breads |
636 |
| 26 |
Bespakbespak.com
A global CDMO specializing in inhaled and nasal drug delivery devices, pharmaceutical products, and drug-device combination products for the pharmaceutical industry |
607 |
| 27 |
Signature Flatbreadssignatureflatbreads.co.uk
A global leader in flatbread production, creating high-quality, authentic products using bespoke equipment and expertise in the UK and India |
552 |
| 28 |
Baxters Food Groupbaxters.com
Manufacturer of high-quality ambient foods including soups, jams, ready meals, military rations, and baby food for global markets. |
531 |
| 29 |
Burton's Biscuit Companyburtonsbiscuits.com
Manufacture and supply of popular biscuit brands and sweet and savoury snacks with multiple UK bakery sites and global partnerships. |
517 |
| 30 |
Sertec Group Ltdsertec.co.uk
Specializing in manufacturing lightweight body structures and EV components, with expertise in automated stamping, assembly, and high volume production for automotive industry leaders |
513 |
| 31 |
RoslinCTroslinct.com
A global CDMO specializing in Advanced Cell and Gene Therapies, offering process development, clinical manufacturing, gene editing, and cell line development services |
494 |
| 32 |
Park Cake Bakeriesparkcakes.com
A UK-based company specializing in producing premium cakes, desserts, and pastry products with over seventy years of baking tradition |
437 |
| 33 |
Stateside Foods Limitedstateside-foods.co.uk
A leading supplier of chilled pizzas to UK retailers, known for quality, innovation, and strong customer relationships, seeking talented team members |
428 |
| 34 |
Fox's Biscuitsfbc-uk.com
A UK-based biscuit producer with 160 years of history, known for high quality, generously baked biscuits including popular brands and own label manufacturing |
421 |
| 35 | 420 | |
| 36 |
ITL - Intelligent Label Solutionsitl-group.com
Designs and manufactures diverse labelling products while providing holistic supply chain solutions and technical guidance for retailers, brand owners, and garment manufacturers worldwide. |
414 |
| 37 |
G&H (Gooch & Housego)gandh.com
A world leader in optical design, testing, and manufacturing, specializing in providing optical systems and components for demanding applications |
411 |
| 38 |
UCC Coffee UK and Irelanducc-coffee.co.uk
Provides comprehensive coffee solutions including leading brands, custom roasting, espresso equipment, performance programs, and maintenance support to grow coffee businesses. |
379 |
| 39 |
INSPIRED pet nutritioninspiredpetnutrition.com
A family-run FMCG pet food manufacturer with market leading brands producing dry, wet, and baked foods for dogs and cats worldwide |
367 |
| 40 |
Pilgrim's Food Masterspilgrimseurope.com
Leading manufacturer of branded and private label meat and meat-free products, specializing in chilled and frozen ready meals, with a focus on creating a safe and rewarding work environment |
321 |
| 41 | 317 | |
| 42 |
MB Aerospacebarnesaero.com
An international company offering engineering solutions in Aerospace and Defense, specializing in fabrications, machining, and global supply chain for aero-engine components |
314 |
| 43 |
DCS Group (UK) Ltddcsgroup.com
Official distributor of major household, health, and beauty brands with in-house manufacturing and extensive UK-based production facilities. |
306 |
| 44 |
Europe Snacks UKeuropesnacks.com
A leading UK manufacturer of crisps and snacks with extensive production capabilities, offering a wide range of products for various markets |
300 |
| 45 |
Oscar Mayer Group UKoscarmayer.co.uk
Making and developing retailer label prepared foods for top UK grocery retailers, committed to outstanding quality, value, and service for customers. |
291 |
| 46 |
The Village Bakery Groupvillagebakery.co.uk
The Village Bakery in North Wales produces traditional and innovative baked goods, sourcing local ingredients and collaborating with businesses, delivering to various clients in the region |
286 |
| 47 |
HBI Lalehamhbilaleham.com
Leading provider of product development and contract services for health & beauty industry, offering a range of beauty, food supplement, medical device and pharmaceutical products |
286 |
| 48 |
English Provender Companyenglishprovendercorporate.com
Production of bespoke dressings, condiments, marinades, and cooking ingredients for brands and major UK food manufacturers and retailers. |
280 |
| 49 |
Charlie Bigham's | B-Corpcharliebighams.com
Production of high-quality, ready-to-eat meals using top ingredients, supplying major UK retailers and select restaurant chains. |
269 |
| 50 | 250 | |
| 51 |
Valeo Confectionery Ltdvaleoconfectionery.com
A leading UK and International manufacturer of sugar confectionery, specializing in private label products with a focus on heritage, traditional manufacturing, and big flavors |
250 |
| 52 |
STI Limitedsti-limited.com
Specialist partner providing bespoke electronic design, manufacturing, R&D, supply-chain, and capital solutions for high-reliability industries globally. |
248 |
| 53 |
AROUND NOON.aroundnoon.com
An award-winning food manufacturer specializing in food-to-go, serving blue-chip clients across various sectors with high-quality products delivered daily |
243 |
| 54 |
NIS Ltdnisltd.com
An engineering organization providing bespoke design and manufacturing services to quality-driven clients, aiming to deliver excellence while delighting customers |
233 |
| 55 |
Hilton Foods UKhiltonfoods.com
A leading international food and supply chain service partner to retailers and brands, offering high-quality products and innovative solutions with a focus on collaboration and responsibility |
232 |
| 56 |
Kingsland Drinkskingsland-drinks.com
Independent contract packer and supplier specializing in wine and spirits, offering product creation, bottling, distribution, and marketing services for diverse brands. |
232 |
| 57 |
THG LABSthglabs.com
A UK-based product development and manufacturing partner for leading beauty brands, offering services from innovation and R&D to quality assurance and warehousing |
229 |
| 58 |
Vectura Groupphillipsmedisize.com
Vectura provides innovative inhaled drug delivery services with proprietary technology for partners to develop and market a range of therapies globally |
229 |
| 59 |
Pets Choice Ltdpetschoice.co.uk
Leading pet food manufacturer with over 135 years of industry knowledge, offering a variety of high-quality products under multiple brands for pets and wild animals worldwide |
221 |
| 60 |
Dishang Group (UK)dishang-group.com
A leading Asian apparel manufacturer with 90 factories, specializing in high-performance and eco-friendly garments for various brands with comprehensive sourcing and quality control services |
220 |
| 61 |
Radium Creation Limitedradiumcreation.in
A second-generation family business based in Mumbai, India, specializing in fashion jewellery manufacturing with an integrated design and sales service across UK, Europe, and India |
219 |
| 62 |
Hilton Foods Seachillhiltonfoods.com
Leading global food and supply chain service partner in 13 markets, offering high-quality meat, seafood, vegan products, easy meals, and supply chain services with collaborative, innovative, agile, ambitious, and responsible values |
212 |
| 63 |
Nasmythnasmyth.com
Provides precision mechanical and electro-mechanical design, manufacturing, assembly, and product support with flexible, efficient one-stop solutions and advanced technology. |
207 |
| 64 |
GA Pet Foodga-petfoodpartners.co.uk
Leading manufacturer of premium dry pet foods for own label brands, offering total solution from development to distribution, with global export reach |
195 |
| 65 |
Harrison Spinksharrisonspinks.co.uk
manufacture handcrafted luxury mattresses using natural materials with a focus on sustainability, vertical integration, and responsible innovation |
194 |
| 66 |
Faltec Europe Ltdfalteceurope.com
A Tier 1 supplier to global automotive manufacturers, specializing in manufacturing trim products, with a focus on continuous growth and investment |
192 |
| 67 |
SK Chilled Foods Ltdcompleatfood.com
Passionate about creating delicious fresh foods, our company collaborates with UK supermarkets to craft chilled snacks and meals inspired by global flavors |
190 |
| 68 |
MTL Advanced Ltdmtladv.com
Well-invested project manufacturing company with a focus on supplying precision components to various sectors using advanced machining and fabrication capabilities |
189 |
| 69 |
Matrixthisismatrix.com
This company focuses on developing meaningful brands and products in beauty, wellness, and travel, while also prioritizing sustainability and social impact |
187 |
| 70 |
Paragonparagonfoodgroup.com
A leading provider of high-quality burgers for catering establishments, known for investing in automation and cutting-edge processes to ensure consistent excellence |
187 |
| 71 |
Preci-Sparkpreci-spark.co.uk
Leading European contract manufacturer for high technology industries, specializing in manufacturing components, fabrications, and assemblies for Aerospace and Industrial markets with a focus on quality and customer satisfaction |
186 |
| 72 |
Thistle Seafoods Ltdthistleseafoods.com
Family-owned manufacturer of frozen and chilled coated and added value seafood products, supplying retailers and food service companies globally. |
183 |
| 73 |
Aimia Foods Ltdaimiafoods.com
A food and drinks manufacturer based in Haydock, UK, specializing in dry powder products, hot drinks, co-manufacturing, and brand management |
183 |
| 74 |
Aesica Pharmaceuticals Ltdrecipharm.com
A leading pharmaceutical CDMO offering end-to-end development and manufacturing services, including API, formulation, manufacturing, packaging, and medical delivery device capabilities |
182 |
| 75 | 179 | |
| 76 |
Expert Technologies Groupexperttechnologiesgroup.com
Specializing in bespoke solutions for Advanced Manufacturing Technologies, including tooling, automation, robotics, and machinery, with a focus on quality and flexibility across UK locations |
175 |
| 77 |
Humdingerhumdinger-foods.co.uk
Humdinger is a UK-based healthy snack manufacturer, producing premium brands for retailers and famous names like Sunsweet and Marmite |
170 |
| 78 |
Inspired Global Cuisineinspiredgc.co.uk
Manufacturing ready meal products for retail stores, focusing on quality, team development, and operational excellence at a single site. |
161 |
| 79 |
Professional Beauty Systemsprofessionalbeautysystems.co.uk
A dynamic company specializing in research, development, and marketing of professional hair and beauty products, tailored to meet client needs and distributed globally |
160 |
| 80 |
Reliance Precision Limitedreliance.co.uk
Specialist engineering company providing high reliability precision instrumentation and components to global markets, offering custom-built solutions and a range of motion control products |
154 |
| 81 |
Potter & Moore Innovationspotterandmoore.com
Specializing in personal care and beauty product development, Potter + Moore offers full-service solutions with UK manufacturing facilities in Tiverton and Peterborough |
151 |
| 82 |
Simply Lunchsimplylunch.co.uk
Family-owned fresh food-to-go business with over 30 years of experience Specializing in high quality ready-to-eat products for various sectors, offering branded or own label solutions |
151 |
| 83 |
Echo House Ltdecho-house.co.uk
Innovative creative production house specializing in retail displays for luxury brands and museums, dominating the market with dynamic solutions |
146 |
| 84 |
Whitemeadowwhitemeadow.com
An independent upholstery manufacturer in the UK, specializing in crafting sofas and bed frames for top retailers with focus on design, quality, and innovation |
145 |
| 85 |
Ilmor Engineering Ltd.ilmor.co.uk
Specializing in high performance race engines for Formula 1 and IndyCar, Ilmor offers turnkey solutions in motorsport, automotive, electrification, defense, and marine industries |
143 |
| 86 |
Dalziel Ingredients Ltddalzielingredients.co.uk
Specializing in custom seasoning blends, cures, and functional blends produced in a modern facility with a focus on quality, innovation, and distribution efficiency |
142 |
| 87 |
Pektronpektron.com
Global electronics manufacturer with over 60 years of experience, specializing in tailored solutions for various sectors and providing expertise in design, testing, and manufacturing |
142 |
| 88 |
Damasozahirdamaso.com
Creating custom packaging and production services for luxury brands to effectively showcase their unique identity and aura through meticulous craftsmanship |
141 |
| 89 |
Skylandskyland.co.uk
A fashion supplier aiming to become a top choice for UK clothing retailers, specializing in ladies knitwear and offering diverse supply chain |
141 |
| 90 |
Pensopenso.co.uk
A global manufacturing specialist offering turnkey engineering services, innovative solutions in composites and niche vehicle build, with expertise in product development and software solutions |
140 |
| 91 |
Framptons Limitedframptons.com
A family-owned, award-winning processor of liquid foods with a century-old heritage, offering top-quality processing and packaging services for leading brand owners |
140 |
| 92 |
OREANweareorean.com
A B Corp certified cosmetic manufacturer offering product development and technical support for bespoke hair, skin, body, and sun care products Specializing in natural formulations |
139 |
| 93 |
THOMAS DUDLEY LTDthomasdudley.co.uk
A UK manufacturing company, Thomas Dudley specializes in producing high-quality bathroom products and engineered iron castings to customer specifications since 1920 |
138 |
| 94 |
Herrco Cosmeticsherrco.co.uk
A Full Service Beauty & Personal Care Manufacturer offering new product development and fast beauty services with award-winning formulations and production infrastructure for scale up |
138 |
| 95 |
Jaivel Aerospacejaivel.aero
A manufacturing technology organization specializing in improving advanced manufacturing programs through innovative processes, tooling, and full product manufacturing services for aerospace clients worldwide |
134 |
| 96 |
Inflite Engineering Services Limitedinflite-engineering.co.uk
Aerospace supplier offering design, machining, fabrication, component repair, electrical loom manufacture, and surface treatment services Also operates as an Embraer Authorized Service Centre |
134 |
| 97 |
JJS Manufacturingjjsmanufacturing.com
An Electronics Manufacturing Services (EMS) partner offering end-to-end procurement, manufacture, supply chain solutions, and specialized services for complex electro-mechanical products |
133 |
| 98 |
Laila's Fine Foods Limitedlailasfinefoods.co.uk
Specializing in Frozen and Chilled Ready Meals, this company serves retail and food service customers across the UK and Europe with high-quality, bespoke dishes |
132 |
| 99 |
Kavli UK Limitedkavli.co.uk
A UK-based food manufacturer producing Primula spreadable cheese, snacks, and dips, as well as Castle MacLellan pΓ’tΓ©, for supermarkets and beyond |
132 |
| 100 |
Central Pharmacentralpharma.com
Provider of GxP outsourcing services to pharmaceutical, medical device, cell & gene, and healthcare sectors Expertise in manufacturing, packaging, logistics, kitting, and regulatory support |
130 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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.
More company lists in the United Kingdom
- The largest companies in the United Kingdom 30,833
- Financial services firms in the United Kingdom 3,375
- Financial Services companies in the United Kingdom 3,344
- Retail chains in the United Kingdom 2,831
- Software Development companies in the United Kingdom 2,393
- IT Services and IT Consulting companies in the United Kingdom 1,442
- Retail companies in the United Kingdom 1,292
- IT services companies in the United Kingdom 1,257
- Wellness and Fitness Services companies in the United Kingdom 1,044
- Hospitality companies in the United Kingdom 999
- Family-owned companies in the United Kingdom 959
- Manufacturers in the United Kingdom 955
- Critical infrastructure operators in the United Kingdom 935
- E-commerce companies in the United Kingdom 925
- Consumer goods companies in the United Kingdom 743
- Hotel and hospitality groups in the United Kingdom 740
- Distributors and wholesalers in the United Kingdom 739
- Retail Apparel and Fashion companies in the United Kingdom 738
- Advertising Services companies in the United Kingdom 713
- Food and Beverage Manufacturing companies in the United Kingdom 713
- Hospitals and Health Care companies in the United Kingdom 710
- Insurance companies in the United Kingdom 669
- Healthcare providers in the United Kingdom 651
- Online-only businesses in the United Kingdom 647