These companies are critical infrastructure operators in Birmingham, primarily large organizations. They include several major healthcare providers such as University Hospitals Birmingham NHS Foundation Trust, offering comprehensive medical care, and Birmingham Women's and Children's Hospital and Charity, specializing in women's and pediatric healthcare. Transport infrastructure is also prominent, with National Highways managing motorways and main A roads, and HS2 (High Speed Two) Ltd developing a large rail infrastructure project.
A significant pattern is the strong presence of the healthcare sector, with numerous NHS trusts providing diverse services from general medical care to mental health and specialized orthopedics. Another notable aspect is the concentration of transport-related entities, covering road, rail, and air, all headquartered in Birmingham.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
National Highwaysnationalhighways.co.uk
Government company managing, maintaining, and modernising motorways and main A roads to ensure smooth traffic flow nationwide. |
5,889 | |||
| 2 |
University Hospitals Birmingham NHS Foundation Trustuhb.nhs.uk
Operates large teaching hospitals, providing comprehensive medical care, specialist treatments, and trauma services for millions regionally and internationally, with a focus on staff development. |
5,525 | |||
| 3 |
HS2 (High Speed Two) Ltdhs2.org.uk
Development and management of the UK鈥檚 largest rail infrastructure project focused on improving transport connectivity and economic growth in Northern England. |
2,692 | |||
| 4 |
Birmingham Women's and Children's Hospital and Charitybwc.nhs.uk
A global leader in women's and pediatric healthcare, specializing in advanced treatments, complex surgeries, and innovative research and development Visit website for more information |
2,457 | |||
| 5 |
Sandwell & West Birmingham NHS Trustswbh.nhs.uk
Integrated care organisation dedicated to improving lives, maintaining reputation for teaching, embedding innovation and research for 530,000 people in Birmingham and Sandwell |
2,330 | |||
| 6 |
National Express LTDnationalexpress.com
A leading UK coach operator providing safe, environmentally friendly travel options to millions of passengers, with a focus on quality service and safety |
1,865 | |||
| 7 |
Birmingham and Solihull Mental Health NHS Foundation Trustbsmhft.nhs.uk
A leading mental health foundation trust providing a wide range of services to over 71,000 individuals in Birmingham, Solihull, and the West Midlands |
1,770 | |||
| 8 |
Birmingham Community Healthcare NHS Foundation Trustbhamcommunity.nhs.uk
Provision of over 130 clinical services including home care, specialist rehabilitation, dental care, and learning disability support across Birmingham and West Midlands. |
1,547 | |||
| 9 |
Heart of England NHS Foundation Trustnhs.uk
Leading Hospital Trust in England with a focus on tackling MRSA and treating a wide range of illnesses from heart disease to premature baby care |
1,424 | |||
| 10 |
West Midlands Fire Servicewmfs.net
The company provides emergency response, prevention, and protection services for homes and businesses in the West Midlands, being the second largest in the country |
1,008 | |||
| 11 |
WM Trains Limitedwestmidlandsrailway.co.uk
Operating two new railway brands in the Midlands, North West, and London, offering local services and direct trains to surrounding towns and cities |
902 | |||
| 12 |
Freightliner Ltdfreightliner.co.uk
providing sustainable, efficient intermodal and bulk freight transportation, storage, and delivery services with a focus on safety and reliability |
823 | |||
| 13 |
Birmingham Airportbirminghamairport.co.uk
Regional airport handling millions of passengers annually, offering extensive direct and connecting flights with significant infrastructure investment. |
682 | |||
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. | |||||
| 14 |
CrossCountry Trainscrosscountrytrains.co.uk
CrossCountry operates extensive long distance train services across Britain, offering fast and frequent journeys with at-seat catering, quiet zones, and First Class options |
576 | |||
| 15 |
The Royal Orthopaedic Hospital NHS Foundation Trustroh.nhs.uk
Specialist orthopaedic unit offering innovative care, surgical techniques, and treatment for bone and joint disorders, supported by a dedicated charity |
550 | |||
| 16 |
Modality Partnershipmodalitypartnership.nhs.uk
A UK-based GP super-partnership focusing on improving healthcare provision by combining small practice advantages with larger scale opportunities |
466 | |||
| 17 |
Enerveoenerveo.com
A multi-disciplinary contracting business delivering complex projects in critical infrastructure, committed to safety, innovation, and supporting society towards Net Zero |
426 | |||
| 18 |
NHS Birmingham and Solihull and NHS Black Countrybirminghamsolihull.icb.nhs.uk
A statutory NHS organization responsible for developing a plan and managing the budget for healthcare services in the Birmingham and Solihull area |
306 | |||
| 19 |
Unity Trust Bankunity.co.uk
Independent commercial bank supporting UK communities with ethical banking services including current accounts, savings, and loans for social impact. |
288 | |||
| 20 |
National Express Busnxbus.co.uk
We are a leading bus operator in the West Midlands, offering frequent and reliable services for business, personal, and leisure travel |
240 | |||
| 21 |
HealthHarmoniehealthharmonie.com
Specialist healthcare provider in the UK offering non-elective care services, supporting the NHS with innovative solutions focused on patient safety and satisfaction |
219 | |||
| 22 |
Birmingham Women's Hospitalbwc.nhs.uk
Specialist centre providing gynaecological, maternity, and neonatal care, including fertility services, research, education, and the largest genetics laboratory in Europe |
191 | |||
| 23 |
Birmingham Bankbirminghambank.com
Since 1955, we have been dedicated to empowering customers and stakeholders with trusted savings and lending products, focused on practical solutions and ambition |
73 | |||
| 24 |
Diamond Bus Midlandsdiamondbuses.com
A bus company providing high-quality services in the West Midlands and surrounding areas |
56 | |||
| 25 |
BDA Logistics Innovationbdaviation.com
BDA Logistics Innovation offers urgent and time critical delivery solutions across Europe, specializing in hi-tech, medical equipment, machinery, and e-commerce industries with 24/7 client support |
46 | |||
| 26 |
Vintage Trainsvintagetrains.co.uk
Vintage Trains operates express steam trains on Britain's mainline railway, providing nostalgic journeys through picturesque countryside in beautifully restored carriages |
16 | |||
| 27 | 
Veolia Transport UKveolia.co.uk
A UK transport operator running bus and coach services in South Wales, the Midlands, and North East England with over 1,200 employees and 550 vehicles |
15 | |||
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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 Nov 11, 2026.
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