From the company's website (excerpt)
Meet Your Occupational Hygiene Partners. OHSL was founded by three senior occupational hygienists - Gareth Ison, Helen Thomas, and Andy Wallace - with over 60 years of combined experience. Our work spans air monitoring, noise exposure, LEV assessments, and hazardous substance control - all delivered with technical accuracy and practical insight. We know how frustrating it is to work with providers who overcomplicate, overcharge, or under-deliver. We don't offer box-ticking exercises. Get to know us
Company registration
Registered at Companies House since 2009. The Companies House record gives its status as Active.
Coverage
The company's website says it works across the UK. Read it on the company's website. Checked 19 October 2026.
What the listed services involve
LEV testing
A thorough examination and test checks the condition of your extraction system and measures airflow to assess how it controls exposure. For most LEV, this is required at least every 14 months under regulation 9 of the Control of Substances Hazardous to Health Regulations 2002.
Workplace air monitoring
Air monitoring measures airborne substances, often by taking samples in a worker's breathing zone during normal tasks. Results help assess exposure and whether the controls in place are doing enough.
Company number: 07070447 - Companies House record
Services
- LEV testing
- Workplace air monitoring
Business location
Location of Occupational Hygiene Solutions Ltd
No 4, The Old Farmhouse, Stafford, ST18 0AE
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