Trident Medical Services

Occupational health experts specialising in the high-risk and regulated industries

0118 324 9333
  • Health & safety
  • Occupational Health

Welcome to Trident Medical Services, occupational health experts specialising in the high-risk and regulated industries. Our clients primarily work in engineering, manufacturing, nuclear, oil and gas, construction, aviation, healthcare, education and the emergency services. If your staff operate machinery or vibrating tools or are exposed to chemicals, fumes dust or noise, or if they work with hazardous substances including asbestos, lead and ionising radiation, we can help.

As true experts in our field, we understand the impact of legislation and regulation on your business. Legislation is continually updated and our specialist team are at the forefront of that change. Based in the Thames Valley with a national remit, our aim is to protect your staff, protect your company and protect you.

Our experts

As an independent provider we can be agile and flexible and able to advise on your needs as a whole. We like to get to know your business, understand your objectives, your concerns, your priorities. We then work with you to provide a plan of the services we can provide that will best support your business.

Our team are highly qualified and experienced specialists in occupational medicine. Our physicians include HSE-appointed doctors and UKOG-registered examining doctors. We also have a team of occupational health advisers and nurses with specialist occupational health qualifications and experience, all supported by our technicians.

When you work with experts that are qualified in their fields, you can have peace of mind that you’re not only complying with strict industry regulations, but also giving your staff the most appropriate care and advice relevant to their working environment.

Our services

We look after your staff throughout their working life from before they start through to retirement, tailoring our service to suit your needs. Our services include the following:

Health Assessments:   

  • New Starter Assessments
  • Pre-Placement Assessments
  • Fitness-to-Work Assessments
  • Industry-Specific Assessments (including Oil and Gas and Cabin Crew)
  • Drug and Alcohol Screening

Health Surveillance

  • Statutory and Non-Statutory Health Surveillance Programmes

Health and Wellbeing

  • Health Education programmes, including Lifestyle Screening


  • First Aid Training
  • Work-Specific Training

Employer Advice and Guidance

  • Case Management including Sickness Absence Management and Return-to-Work

Tailored Work-Setting Services

  • Supporting your on-site arrangements

Our reputation

We strive to achieve the highest standards across our business and we are proud to be one of the first companies in the world to be awarded certification to ISO 9001:2015, meaning our quality management systems are designed to meet the needs and expectations of customers for the highest degree of customer satisfaction

Office & clinic locations: 

We are based in Aldermaston in the Thames Valley but can offer our services across the UK.

What our Clients say: 

"I couldn't recommend them highly enough"
Apache Contractor Maintenance Manager

"We see TMS as a professional partner. The staff are on top of their game, are highly qualified, and have been invaluable in advising us in the relevant areas of occupational health. Working within the high-risk industry it's imperative that we have a partner that understands our specific needs. They're also a pleasure to work with and I couldn't recommend them highly enough."

Morson International


  • ISO 9001
  • Oil & Gas UK

Regions Covered

  • East of England
  • London
  • South East
  • South West

Professional Staff

  • H&S Advisor
  • OH Nurse Advisor
  • OH Physician (OHP)
  • OH Technician
  • Registered Nurse

How do you offer Services?

  • On-site
  • Offsite

Additional Contacts

Contact Me About: 

Marketing and Communications
Lindsay Heath
Communications and Marketing Manager
0118 324 9333

Head Office address

3B Olympus House
Calleva Park
West Berkshire
United Kingdom