Cambridge is home to a concentration of multinational companies, primarily in the pharmaceutical, technology, and education sectors. These include major employers such as AstraZeneca, a pharmaceutical giant, and Arm, which designs foundational computing technology. The presence of institutions like the University of Cambridge and Anglia Ruskin University also highlights the city's strong academic and research focus.
A notable pattern among these companies is their strong link to advanced technology and scientific research. Firms like AVEVA provide industrial software solutions, while Darktrace specializes in AI cybersecurity. This indicates a robust ecosystem for innovation, with many companies engaged in developing cutting-edge products and services that have a global reach.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
AstraZenecaastrazeneca.com
Pioneering healthcare transformation through the potential of science, impacting individuals, society, and the environment for a healthier future |
79,513 | |||
| 2 |
University of Cambridgecam.ac.uk
A leading research university with 31 Colleges and over 150 departments, faculties, and schools, focused on excellence in education and research |
20,304 | |||
| 3 |
Cambridge University Press & Assessmentcambridge.org
World-leading academic publisher and assessment organisation focused on education, learning, research, innovation, and global knowledge dissemination. |
11,789 | |||
| 4 | 11,505 | ||||
| 5 | 7,630 | ||||
| 6 |
Anglia Ruskin Universityaru.ac.uk
Innovative global university with campuses in UK cities, offering top-ranked courses, industry partnerships, and world-leading research opportunities for students |
5,648 | |||
| 7 |
Alphaalphacrc.com
Multilingual content solutions provider delivering transcreation, software localization, audiovisual services, and AI-based translation across digital, games, fashion, automotive, financial, and medical sectors. |
3,977 | |||
| 8 |
Cambridge International Educationcambridgeinternational.org
The company partners with schools globally to provide an education framework from age 3 to 19, offering qualifications, resources, and support for student preparation |
2,665 | |||
| 9 |
Darktracedarktrace.com
AI cybersecurity platform learns unique data, detects threats, and intervenes against attacks, protecting organizations worldwide from cyber-threats. |
2,632 | |||
| 10 |
Cambridge Englishcambridgeenglish.org
Provides globally recognized English language qualifications and assessments supporting learners, teachers, and institutions to demonstrate English proficiency worldwide. |
2,187 | |||
| 11 | 1,880 | ||||
| 12 |
Domino Printing Sciencesdomino-printing.com
providing variable data printing technology and solutions to support manufacturers in sustainable packaging, coding automation, and waste reduction |
1,813 | |||
| 13 | 1,796 | ||||
| 14 |
TWItwi-global.com
Global technology engineering leader offering research and consultancy services to members across various industries, specializing in structural integrity, materials testing, welding, and training |
930 | |||
| 15 |
Cambridge Consultantscambridgeconsultants.com
Specializes in radical science and engineering to create breakthrough technologies, products, and services that transform industries and society globally. |
805 | |||
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. | |||||
| 16 |
Fauna & Florafauna-flora.org
Collaborates globally with local partners and governments to protect biodiversity, promoting coexistence of people, wildlife, and wild places. |
802 | |||
| 17 |
IELTS Officialielts.org
A leading provider of English language testing, offering the widely recognized IELTS test to assess proficiency for academic and professional purposes globally |
718 | |||
| 18 |
British Antarctic Surveybas.ac.uk
Researching Earth's frozen regions to understand and address the impact of rapid and unprecedented environmental changes on the planet and its inhabitants |
712 | |||
| 19 |
CMR Surgicalcmrsurgical.com
Global medical devices company innovating surgery with Versius robotic system to make minimal access surgery accessible and affordable, redefining surgical robotics market Visit website to learn more |
664 | |||
| 20 |
o2h discoveryo2hdiscovery.co
A pharmaceuticals company based in Ahmedabad, India that specializes in delivering discovery services for the healthcare industry |
561 | |||
| 21 |
Redgate Softwarered-gate.com
Specializes in database management software, supporting automation, secure scaling, and helping data professionals realize value and unlock growth through AI. |
559 | |||
| 22 |
Costello Medicalcostellomedical.com
Global healthcare agency specializing in medical communications, health economics, outcomes research, evidence development, and market access, supporting pharmaceutical and MedTech companies globally. |
542 | |||
| 23 |
Biocairbiocair.com
Global GDP logistics specialist with 35+ years experience in pharmaceutical, biotechnology, and life sciences Offers time-sensitive, temperature-controlled logistics services in 160+ countries |
501 | |||
| 24 |
Sepurasepura.com
Global leader in developing and supplying radio terminals, accessories, and applications for mission-critical and business-critical communications, with a focus on public safety and commercial markets |
491 | |||
| 25 |
Luminanceluminance.com
AI-powered legal technology automating contract generation, negotiation, and analysis with advanced tools like chatbot, risk identification, and process automation for legal teams worldwide |
466 | |||
| 26 |
Cambridge Institute for Sustainability Leadership (CISL)cisl.cam.ac.uk
Develops industry leadership, sector pathways, and viable solutions to transform markets for a sustainable future. Works with leaders to accelerate action and transition. |
465 | |||
| 27 |
Huawei Technologies Research & Development (UK) Ltd
The company is a global leader in technology innovation and research, with a focus on driving development in the global innovation value chain |
455 | |||
| 28 |
CGTcgtower.com
Manufacturing polymeric-coated fabrics, films, and laminates for automotive, pool liners, roofing, decking, and geomembrane industries worldwide. |
410 | |||
| 29 |
Raspberry Pi Foundationraspberrypi.org
Enable young people to realize their full potential through computing and digital technologies, fostering knowledge, skills, and confidence for creative problem-solving and ethical tech use. |
376 | |||
| 30 |
Gearsetgearset.com
Gearset offers a comprehensive Salesforce DevOps platform for seamless deployment, automated testing, backups, and collaboration, enabling faster and higher-quality project delivery |
362 | |||
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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 11, 2026.
More company lists in Cambridge
- The largest companies in Cambridge 271
- SaaS companies in Cambridge 57
- Companies with in-house R&D in Cambridge 56
- Software Development companies in Cambridge 55
The same list elsewhere in United Kingdom
- Multinational companies in the United Kingdom 7,458
- Multinational companies in Scotland 248
- Multinational companies in Northern Ireland 84
- Multinational companies in Wales 69
- Multinational companies in London 3,652
- Multinational companies in Manchester 163
- Multinational companies in Birmingham 78
- Multinational companies in Glasgow 69
- Multinational companies in Leeds 67
- Multinational companies in Edinburgh 55
- Multinational companies in Milton Keynes 53
- Multinational companies in Reading 42
- Multinational companies in Bristol 41
- Multinational companies in Aberdeen 39
- Multinational companies in Oxford 37
- Multinational companies in Belfast 35
- Multinational companies in Nottingham 34
- Multinational companies in Coventry 30
- Multinational companies in Leicester 29
- Multinational companies in Newcastle upon Tyne 27
- Multinational companies in Watford 27
- Multinational companies in Liverpool 26
- Multinational companies in Sheffield 26