We set up OHSL because workplace health deserves better.
In 2010, after years of working in large consultancies, we set up OHSL to offer something different. Too often, we’d seen occupational hygiene treated like a tick-box exercise, with generic reports, poor communication, and not much real insight. We believed clients deserved a service that was personal, practical, professional, and genuinely helpful. So we built it.
Air Monitoring
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Noise Surveys
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LEV Testing
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COSHH Support
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Air Monitoring • Noise Surveys • LEV Testing • COSHH Support •
How we work.
We don’t believe in overcomplicating things. We listen, ask the right questions, and focus on delivering clear, actionable assessments.
Here’s what that means in practice:
You’ll speak to a qualified hygienist from the start
We'll agree on a clear scope of work or sampling plan before anything goes ahead
Our reports are written so you can actually use them
And if something isn’t needed, we’ll tell you
We want you to feel supported, informed and confident in the decisions you’re making.
We believe occupational hygiene should be about more than compliance.
It’s about protecting people, improving workplaces and helping clients make confident decisions.
That’s what we do, every day.
Who we work with
We support organisations of all sizes - from global manufacturers to specialist teams in aerospace, pharmaceuticals, defence, food and education.
Many of our clients return year after year, and some have worked with us since we began. You won’t find logos here (we keep client details confidential), but we’ve worked with
Major automotive & aerospace manufacturers
NHS and independent healthcare providers
National research laboratories
Food and packaging producers
Defence and government sites
Local authorities and education providers
And everything in between. When discretion is essential and trust matters, clients come to us.
“At Toyota Motor Manufacturing UK Ltd we have been working closely with OHSL since 2012.
Throughout that time, they have provided us with a first-class service and have become very much an extension of our own in-house team of professionals. What is important to us is having a provider that is highly qualified and experienced, but most importantly, personnel that are friendly and easy to work with. In addition, OHSL are always available to support us whenever we need help with any questions or concerns. We anticipate continuing to work with OHSL for many years to come.”