Explore OTHM occupational health and safety, environmental and sustainability qualifications through PESS Approved Centre. Compare qualification levels, study structure, assessment routes and professional progression to identify the qualification aligned with your current education, experience and career direction.
PESS offers four main OTHM pathways on this page across occupational health and safety, environmental management and sustainability. Open the dedicated course page for eligibility, delivery and enrolment information.
Foundation-level OHS study for learners developing workplace safety knowledge and preparing for further professional progression.
Advanced occupational health and safety study for practitioners developing stronger policy, risk and management capability.
Postgraduate-level OHS management study for professionals developing strategic, organisational and leadership capability.
Postgraduate-level study covering contemporary environmental, sustainability and ESG-related management themes.
OTHM is a UK-based awarding organisation regulated by Ofqual. Its regulated qualifications include occupational health and safety, environmental management and sustainability pathways.
Compare exact course identities and official specifications before enrolment, then use the dedicated PESS course pages for eligibility, delivery and learner-support information.
PESS displays its OTHM centre status and Centre No. DC2508936.
Qualification titles and official reference numbers are presented clearly.
Each main qualification links to its published OTHM specification.
Use PESS guidance, study support and assessment information through the qualification journey.
Compare qualification size and professional direction here. Final eligibility and entry requirements should be checked on the relevant PESS course page and official specification.
| Comparison | Level 3 OHS | Level 6 OHS | Level 7 OHS Management | Level 7 Environment & Sustainability |
|---|---|---|---|---|
| Qualification Number | 603/7346/5 | 603/5002/7 | 603/7782/3 | 610/3662/6 |
| Credits | 34 | 60 | 120 | 120 |
| Units | 3 mandatory | 7 mandatory | 6 mandatory | 4 mandatory + 2 optional |
| TQT / GLH | 340 / 220 | 600 / 220 | 1200 / 600 | 1200 / 600 |
| Professional Direction | Foundation OHS knowledge | Advanced OHS practice | Strategic OHS management | Environment, sustainability & ESG |
| Assessment | Coursework | Internally assessed / OTHM externally verified | Coursework | Coursework |
OTHM qualifications are criterion referenced. Learners provide evidence against specified learning outcomes and assessment criteria, with centre assessment and quality assurance followed by relevant OTHM verification.
Confirm education, experience, age and English-language requirements for the selected qualification.
Study the learning outcomes and complete the required coursework, assignments or evidence.
Centre assessment and internal quality assurance are followed by applicable OTHM verification processes.
Use the official OTHM progression information to review published university pathways.
OTHM qualifications can strengthen a wider professional profile in occupational health and safety, environmental management and sustainability. Employment outcomes depend on experience, employer requirements and role-specific credentials.
