The largest chemical companies in England are mostly mature, global firms. Linde is a global industrial gases and engineering company. Rio Tinto provides essential materials like iron ore and copper. INEOS manufactures raw materials and energy. Johnson Matthey develops sustainable technologies for various sectors.
These companies show a concentration of headquarters in London, with others in Woking, Solihull, Pangbourne, Reading, Goole, Windsor, Lancashire, and Abingdon. Many were founded in the 19th century, such as Linde in 1879, Rio Tinto in 1873, and Johnson Matthey in 1817.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 66,000 | ||||
| 2 |
Rio Tintoriotinto.com
Provides essential materials including iron ore, low carbon aluminum, copper, borates, and titanium for various global industries and daily life. |
40,794 | |||
| 3 | 12,070 | ||||
| 4 |
Johnson Mattheymatthey.com
development of sustainable technologies supporting energy, chemicals, and automotive sectors to decarbonise, reduce emissions, and enhance sustainability |
8,592 | |||
| 5 | 5,122 | ||||
| 6 |
Tate & Lyletateandlyle.com
Provide specialty sweeteners, fibers, texturants, and stabilizers to improve health, taste, shelf-life, and nutrition in food products globally. |
4,797 | |||
| 7 |
Tarmactarmac.com
Leading UK company providing sustainable building materials, asphalt, cement, concrete, and infrastructure services for major construction projects. |
4,393 | |||
| 8 |
Castrolcastrol.com
A global leader in high-performance lubricants for automotive, industrial, marine, and aerospace industries, supplying customers in over 150 countries |
3,927 | |||
| 9 |
BMI Groupbmigroup.com
Providing comprehensive flat and pitched roofing solutions across Europe with extensive experience, global support, and a wide production network. |
3,801 | |||
| 10 | 3,224 | ||||
| 11 |
Morgan Advanced Materialsmorganadvancedmaterials.com
This company specializes in using advanced carbon and ceramics materials to create products that support sustainability, protect lives, and improve quality of life |
2,475 | |||
| 12 |
Vesuviusvesuvius.com
Specializing in molten metal flow engineering, this company provides innovative solutions for industries in high-temperature conditions to enhance manufacturing efficiency and safety |
2,298 | |||
| 13 |
Infineuminfineum.com
Specialty chemicals company with expertise in petroleum additives for lubricants and fuels Leading in research, development, and technology for chemical innovations |
1,970 | |||
| 14 |
Pilkington United Kingdom Limitedpilkington.com
Leading glass manufacturer in the UK, known for inventing the Float Process for flat glass manufacture Renowned for technical excellence and service in the industry |
1,934 | |||
| 15 |
Synthomersynthomer.com
A global leader in acrylic and vinyl emulsions, specialty polymers, and latex products for various industries worldwide |
1,870 | |||
| 16 |
Kl枚ckner Pentaplastkpfilms.com
Global provider of rigid and flexible packaging and specialty films, focusing on sustainability, product protection, and customer value enhancement. |
1,866 | |||
| 17 |
INEOS Inovyninovyn.com
Leading European producer of vinyls and related chemicals, supplying diverse industries including automotive, construction, healthcare, and water treatment. |
1,719 | |||
| 18 |
BOC UK & Irelandbocgases.co.uk
A global gases and engineering business in the UK and Ireland, providing industrial, medical, and special gases, along with equipment, services, and solutions |
1,641 | |||
| 19 |
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 | |||
| 20 |
Duluxdulux.co.uk
Development and supply of high-quality paints and coatings for home and trade use, focusing on perfect finishes and color impact. |
1,542 | |||
| 21 |
Safetykleensafetykleeninternational.com
Leading provider of chemical cleaning & environmental solutions since 1973, offering products and services to enhance productivity, quality, compliance, and sustainability |
1,514 | |||
| 22 |
Saint-Gobain UK & Irelandsaint-gobain.co.uk
A global leader in sustainable construction solutions, specializing in products for buildings, transportation, and industry to promote comfort, safety, and resource efficiency |
1,397 | |||
| 23 |
Aggregate Industries UKaggregate.com
Supplier of sustainable construction materials focused on creating better built environments through environmentally responsible approaches and innovation. |
1,245 | |||
| 24 |
Heidelberg Materials UKheidelbergmaterials.co.uk
This company is a major supplier of lower carbon heavy building materials, including aggregates, asphalt, cement, and concrete, to the construction industry |
1,235 | |||
| 25 |
ABF Ingredientsabfingredients.com
Development and production of specialty ingredients for food, health, pharmaceutical, animal health, and various industrial applications worldwide. |
1,177 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 |
Bestway Wholesalebestwaygroup.co.uk
Largest UK trade-only retailer offering diverse career opportunities across finance, marketing, logistics, communications, and various industry sectors. |
1,167 | |||
| 27 |
Fosecofoseco.com
A global supplier of foundry material and services, focusing on reducing defects, improving casting quality, and optimizing production costs for various industries |
1,101 | |||
| 28 |
Element Sixe6.com
Global leader in synthetic diamond advanced materials Specializing in industrial applications like cutting and grinding, while exploring new uses in various industries |
1,010 | |||
| 29 |
Eurocell plceurocell.co.uk
Leading UK manufacturer and distributor of PVC-U profiles with a focus on sustainable design and recycling, offering a wide range of building products and services |
998 | |||
| 30 |
Welding Alloys Groupwelding-alloys.com
Specialised welding consumables, automated wear protection equipment, wear plates, and engineered wear services for diverse global industries. |
986 | |||
| 31 |
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 | |||
| 32 |
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 | |||
| 33 |
GKN Powder Metallurgygknpm.com
This company provides engineering solutions by shaping powder metal into high-performance components, offering expertise in powder materials, conventional components, and Additive Manufacturing |
870 | |||
| 34 |
Crown Paintscrownpaints.com
Leading independent UK paint manufacturer specializing in professional and DIY finishes, known for quality and reliability in colors, wood stains, and performance |
866 | |||
| 35 |
THOR Groupthor.com
Manufacturer and distributor of biocides, disinfection products, flame retardants, personal care ingredients, and other specialty chemicals for various industries. |
841 | |||
| 36 |
James Walkerjameswalker.biz
Supply high performance fluid sealing products and services including R&D, manufacturing, plant monitoring, maintenance, and seal refurbishment worldwide. |
811 | |||
| 37 |
Venator Materials Plcvenatorcorp.com
A global chemical company specializing in titanium dioxide pigments and performance additives, dedicated to innovation and contributing to a sustainable future |
774 | |||
| 38 |
AISaisltd.com
Global leader in engineering and manufacturing insulation, passive fire protection systems, buoyancy, and SURF products for energy, industrial, automotive, chemical, and marine sectors |
752 | |||
| 39 |
Polypipegenuitgroup.com
This company shares posts from businesses within the Genuit Group, with a focus on Polypipe products Visit Genuit Group for more information |
744 | |||
| 40 |
Victrexvictrex.com
Global leader in PEEK and PAEK-based polymer solutions, helping manufacturers address engineering challenges and accelerate business success with innovative materials |
731 | |||
| 41 |
LGC Standardslgcstandards.com
Supplier of reference materials, pharmaceutical standards, biological reagents, and proficiency testing services to enhance laboratory measurement and quality control worldwide. |
714 | |||
| 42 |
Evergreen Garden Carelovethegarden.com
Leading garden care company in Europe and Australasia, creating high quality products to help people easily maintain beautiful green spaces in gardens, balconies, and indoors |
712 | |||
| 43 |
CPL Aromascplaromas.com
A leading fragrance house specializing in creating innovative fragrances for various products, focusing on quality, responsibility, sustainability, independence, and family values |
691 | |||
| 44 |
Essar Oil (UK) Limitedeetfuels.com
Leading UK downstream energy company with advanced refinery in Europe, supplying road transport fuels, petrochemicals, and services to major clients |
688 | |||
| 45 |
Ferroglobe PLCferroglobe.com
Supplier of silicon metal, silicon-based and manganese-based specialty alloys and ferroalloys for solar, automotive, construction, and energy markets worldwide. |
638 | |||
| 46 |
UPL LIMITED
Manufacturer and distributor of chemicals for various industries, providing innovative solutions and high-quality products to meet customer needs |
631 | |||
| 47 |
A-SAFE GROUPasafe.com
A-SAFE is a global leader in innovative industrial safety and efficiency solutions, inventing polymer barriers and developing new products worldwide |
606 | |||
| 48 |
Scott Baderscottbader.com
Production and supply of high-quality sustainable chemical products and services focused on improving lives and protecting the planet globally. |
604 | |||
| 49 |
British Gypsumbritish-gypsum.com
Manufacture innovative, sustainable drylining products providing fire protection, sound insulation, and comfort for residential and commercial buildings. |
594 | |||
| 50 |
RPC Group Limitedamcor.com
A global design and engineering company specializing in polymer conversion for packaging and non-packaging markets, offering tailored solutions worldwide |
580 | |||
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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 Nov 12, 2026.
More company lists in England
- The largest companies in England 32,641
- Retail chains in England 2,917
- Manufacturers in England 1,794
- Companies with in-house R&D in England 1,703
- Retail companies in England 1,415
- Hotel and hospitality groups in England 1,273
- Education providers in England 1,081
- Hardware manufacturers in England 1,067
- Wellness and Fitness Services companies in England 1,032
- Critical infrastructure operators in England 1,029
- Hospitality companies in England 1,025
- Family-owned companies in England 1,014
- Distributors and wholesalers in England 938
- Healthcare providers in England 810
- Insurance companies in England 699
- Consumer goods companies in England 671
- Construction companies in England 667
- Hospitals and Health Care companies in England 649
- Public sector organisations in England 638
- Food and beverage companies in England 635
- Food and Beverage Services companies in England 606
- Food and Beverage Manufacturing companies in England 582
- Corporate groups and holding companies in England 578
- Restaurants companies in England 506