
What is ISO 45001? How to get ISO 45001 certified

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Your people are your biggest asset, and keeping them safe should be top of the list. Workplace injuries and ill health don’t just hurt people; they stall your momentum. In fact, UK businesses are estimated to lose £22.9 billion every year due to workplace injuries and ill health.
You’ve likely noticed the ISO 45001 badge on a competitor’s site or seen it required in a big contract tender. But what is it, beyond the industry jargon? And why are so many forward-thinking UK businesses making it a core part of how they operate?
We’re here to turn that complication into clarity. We’ll show you how this Standard works in practice, and how it helps create a workplace where your people can truly thrive.
In this blog:
What is ISO 45001?
At its core, ISO 45001 is the internationally recognised Standard for occupational Health & Safety management. Published in 2018, it gives businesses a practical framework to identify workplace hazards before they lead to an incident.
Because no two businesses are the same, the Standard is built to be flexible. It replaces older, more rigid systems, like OHSAS 18001, with a stronger focus on leadership and worker participation. This means safety isn’t just one manager’s job; it becomes a shared responsibility across the whole organisation, from the boardroom to the front line.
Who needs ISO 45001?
Any business that wants to protect its people and its reputation should consider ISO 45001 certification. And one of the best things about it is it’s designed to work for organisations of every size and sector.
- Construction and manufacturing — In high-risk industries, being ready for anything is a daily requirement to protect your most valuable assets. By implementing the Standard, you can build a better understanding of both physical safety and mental wellbeing for workers on the front line.
- Small businesses — You don’t have to be a global giant to lead the way in safety. Achieving certification shows clients and partners that you take your team’s Health & Safety as seriously as any major corporation.
- Service and care — From nurseries to professional offices, demonstrating a genuine commitment to wellbeing helps you stand out. Whether you’re managing infection control in a care setting or supporting hybrid working in an agency, ISO 45001 signals a culture where people feel safe and supported.
- Public tenders — If you’re bidding for contracts, this certification is often the cut-through you need. It can act as an external seal of approval, letting prospective clients know that you’re serious about your professional responsibilities.
Why get ISO 45001 certification?
You can implement the ISO 45001 framework without formal certification and still benefit from its best practices. But getting officially certified is how you showcase your commitment to the world. By inviting an accredited third party to verify your systems, you’re not just saying you’re safe, you’re proving it.
Here’s why forward-thinking businesses are making the move to get certified:
- Helps win more work — ISO 45001 certification provides the credibility you need to stand apart from competitors, proving to prospective clients that you’re a reliable, safety-conscious partner.
- Build a better culture — When your team sees an official, documented commitment to their health and well-being, it builds genuine trust and boosts morale.
- Minimise business risk — Achieving certification helps keep you compliant, which means you’re less likely to face costly disruptions – from tribunal claims to Health & Safety enforcement action.
- Stay future-ready — The certification cycle drives continuous improvement, keeping your safety practices sharp as legislation, working patterns, and risks evolve.
- Lower your operational costs — Proving your safety standards through an audit can help you negotiate lower insurance premiums and avoid the financial impact of lost working days.
What are the clauses of ISO 45001?
ISO 45001:2018 is structured around 10 clauses. Understanding this structure is the first step to turning the Standard’s requirements into a clear, workable plan.
Foundational clauses (1-3)
Clauses 1 to 3 set the scene — they define the scope, reference documents, and terminology used throughout the Standard. These clauses are informative rather than auditable requirements, but they provide the language and context that underpins everything that follows.
- Clause 1: Scope — This defines what your Health & Safety management system covers within your specific business.
- Clause 2: Normative references — These are the supporting documents and standards that help validate your system.
- Clause 3: Terms and definitions — A clear guide to the language used in the Standard, so everyone is working from the same page.
Operational clauses (4-10)
Auditors focus from Clause 4 onwards — these are the requirements your business needs to actively implement and evidence.
- Clause 4: Context of the organisation — This is where you take a step back to understand the internal and external factors that affect your Health & Safety goals.
- Clause 5: Leadership and worker participation — Top management establishes policies, defines roles, and demonstrates commitment to the business.
- Clause 6: Planning — This is your proactive strategy phase, where you identify risks and set clear, measurable safety goals to stay one step ahead.
- Clause 7: Support — Make sure you have the right resources, competence, and communication channels to help your people do their jobs safely.
- Clause 8: Operation — This is where plans become reality — managing day-to-day operations and ensuring contractors meet the same standards as your own team.
- Clause 9: Performance evaluation — Measure, monitor, and internal audit. This clause helps you review your performance to see what’s working and what isn’t.
- Clause 10: Improvement — Use what you learn to continuously improve. When something goes wrong — or nearly does — this clause drives the process for putting it right and preventing recurrence.
What is the difference between ISO 45001 and OHSAS 18001?
While both Standards share the goal of keeping people safe at work, the difference lies in how they approach that responsibility.
OHSAS 18001 was primarily concerned with managing internal risks through a defined set of rules. It was largely reactive: focused on dealing with incidents after they occurred.
ISO 45001 takes a more proactive, integrated approach. Health & Safety isn’t a separate checklist, it’s woven into your core operations and driven by leadership at every level. The focus shifts from fixing problems to preventing them in the first place.
If your business is still operating under OHSAS 18001, it’s worth knowing that the Standard was withdrawn in 2021. ISO 45001 is now the recognised replacement, and transitioning to it is the right move for businesses serious about staying compliant and competitive.
Is ISO 45001 a legal requirement?
No, holding an ISO 45001 certificate isn’t a legal requirement for UK businesses. But that doesn’t mean you can afford to ignore it.
Under the Health and Safety at Work Act 1974, you have a strict legal duty to protect your employees. ISO 45001 is one of the most effective frameworks available for meeting those obligations in a structured, evidenced way.
And while certification itself is voluntary, many clients and public sector tender processes will expect it before they even consider working with you. In competitive markets, the absence of ISO 45001 can cost you opportunities.
How to get ISO 45001 certified
If you’ve heard about ISO certification but aren’t quite sure what it involves, you’re not alone. Here’s how to implement ISO 45001 with the support of Be Certified to get your business audit ready:
- Understand what’s required — Be Certified walks you through each clause of the ISO 45001 framework in plain English. For every requirement, you’ll see exactly what it means for your business and what evidence an auditor will expect to see. No jargon, no guesswork.
- Build your system with ready-made templates — This is where Be Certified really saves you time. Rather than starting from scratch, you’ll have access to a library of pre-built templates with our ISO 45001 software covering the policies, procedures, and records your management system needs. Adapt them to your business, and you’re most of the way there.
- Fast, secure document storage – Upload all the documentation you need for evidence in one secure location to make the audit process simple. Customise your folder structure to your needs, organising and naming evidence in the way that works best for you.
- Check you’re audit ready with an Internal audit — Before you invite a certification body in, do a practice run. Internal audits help you check if everything is running smoothly and give you the confidence that you’re ready for the real thing.
- Choose your certification body and get certified — Once you’re ready, you can appoint an accredited certification body to carry out your audit. Whether you choose a UKAS-accredited body or another reputable option, like Citation ISO Certification, the right partner will make the audit feel like a constructive step for your business.
An auditor from your chosen certification body will review your documented management system to check it meets the Standard’s requirements and is working in practice. If they’re happy everything’s up to scratch, you’ll be awarded certification!
Ready to get ISO certified? See how Be Certified can help
While the journey toward ISO 45001 certification involves clear steps and dedicated effort, the result is a workplace where safety is no longer just a checklist item, but a core part of your professional identity.
Choose Be Certified and receive:
- Expert guidance through every clause of the ISO 45001 framework
- A platform created by real ISO 45001 consultants
- Instant access. No waiting around to get started. Affordable pricing.
Take the first steps toward certification and discover our ISO 45001 software today.
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Agnes Sopel is an experienced ISO Consultant and Lead Auditor with a strong track record of guiding organisations through successful implementation, integration, and certification across multiple international Standards.