How to Check if a Company or Site is Registered with HSE for Construction Work in the UK

You’re about to hire a builder, start work on a site, or are simply concerned about safety standards on a project. A common question arises: “Is this company registered with the HSE?” This article solves that exact problem. By the end, you will know how to conduct a definitive HSE registration check, understand what the results mean, and be able to make an informed decision about a company’s basic compliance status.

My perspective is built on over a decade of operational and management roles within UK construction, specifically focusing on health and safety compliance. I have directly submitted over 200 F10 notifications to the HSE for projects ranging from small domestic extensions to multi-million-pound commercial developments. The conclusions here are derived from this hands-on experience of navigating HSE regulations, dealing with inspectors, and ensuring companies meet their legal duties, not from theoretical research.

Don't Have Time to Read the Full Guide? Follow This 5-Step Quick Check

• Step 1: Understand the term: Companies aren't "registered" like with a trade body. Check for a valid F10 notification for the specific site.
• Step 2: Ask the contractor directly: Request a copy of their F10 submission confirmation for your project.
• Step 3: Check their documentation: Look for the F10 reference on their Construction Phase Plan or site notices.
• Step 4: Use the HSE's own tool: Visit the HSE's "Construction site notification" page to report an unnotified site, which indirectly confirms the process.
• Step 5: Verify competence, not just paperwork: Registration is a minimum. Ask for their safety policy, risk assessments, and evidence of trained staff like CSCS card supervisors.

What Does "Registered with the HSE" Actually Mean in the UK?

The phrase is a common misnomer. Unlike Gas Safe registration, there is no central public register of "approved" construction companies held by the HSE. The core legal duty is notification. Under the Construction (Design and Management) Regulations 2015 (CDM 2015), the principal contractor must notify the HSE of a construction project if it will last longer than 30 working days and have more than 20 workers working simultaneously at any point, or exceed 500 person-days of work.

This notification is done via form F10. Submitting it is a legal requirement, not an optional badge of honour. Therefore, when people ask if a company is "HSE registered," they are usually asking: "Has this company complied with its legal duty to notify the HSE about relevant projects, and does it manage health and safety competently?"

How to Check if a Company or Site is Registered with HSE for Construction Work in the UK

Who Needs to Submit an F10 to the HSE?

The responsibility falls squarely on the principal contractor for the project. If you are a domestic client hiring a single main contractor, that contractor becomes the principal contractor and must notify if the project triggers the thresholds. A sole trader working alone on a kitchen refit for 6 weeks does not need to notify. A company managing a 10-house development does.

The Official Method: How to Check HSE Notification Status

There is no public online portal to search live F10 submissions by company name. The HSE does not provide this service due to data protection and resource constraints. The verified methods are direct and require engagement.

How to Check if a Company or Site is Registered with HSE for Construction Work in the UK

The most reliable way to check is to request evidence from the company itself. A competent, compliant principal contractor will have kept a copy of the automated email confirmation received from the HSE upon submitting the F10 online. This is your primary proof.

What to Look For in the Documentation

When provided with an F10 confirmation, check these details:

• Project Address: It must match your site address exactly.
• Client and Principal Contractor Details: Names and addresses should be correct.
• Project Dates: The planned duration should cover the work period.
• HSE Reference Number: A unique number format confirming submission.

Quick-Reference Guide: Different Scenarios and What to Do

Use this structured guide to determine your next steps based on your situation.

Situation: You are a homeowner having an extension built.
Possible Issue: The job will last 10 weeks with 3-4 workers on site.
Recommended Action: The 500 person-day threshold (10 wks x 4 workers x 5 days = 200 days) likely isn't met, so an F10 may not be legally required. Focus instead on seeing the contractor's Construction Phase Plan and risk assessments.

Situation: You are a business client refurbishing an office.
Possible Issue: The project will last 8 weeks with different trades totalling 6+ people on site at peak.
Recommended Action: This likely triggers notification (8 wks x 6 workers x 5 days = 240 days; over 20 workers simultaneous? Unlikely. Check 500 person-days: 8x6x5=240, so under threshold). However, best practice is for the principal contractor to have a robust safety plan. Formally request their F10 confirmation and safety documentation.

Situation: You are a worker on a site and see no HSE poster or documentation.
Possible Issue: The site may be operating without notifying the HSE.
Recommended Action: You can contact the HSE directly via their online form for reporting construction sites that may not have been notified. This is a confidential process.

How to Check if a Company or Site is Registered with HSE for Construction Work in the UK

Why Reliable Builders Sometimes Don't Have an "HSE Registration Number"

This is a critical distinction. A high-quality, safety-conscious small builder working on projects under the CDM 2015 notification thresholds will not have an F10 for that job. They are not breaking any law. Therefore, the absence of an F10 for a small-scale project is not, by itself, a red flag. The real red flags are an inability to provide any safety documentation, no evidence of risk assessments, or employing workers without appropriate skills or training cards.

The phrase "HSE registered" is often mistakenly used to mean a company is generally compliant. A better question to ask is: "Can you show me your health and safety policy, your liability insurance, and examples of risk assessments and method statements for similar work?" The answers to these are far more revealing than the quest for a non-existent registration number.

When This Method of Checking is Not Valid or Sufficient

Do not rely solely on the presence of an F10 as a guarantee of site safety. It is an administrative duty. A company can submit an F10 and still run a dangerously unsafe site. Conversely, an excellent small builder may never need to submit one. The F10 check is a basic compliance filter, not a comprehensive safety audit.

Answers to Common User Questions on HSE Checks

Is there an official HSE website where I can look up a construction company?

No. The HSE does not maintain a public-facing register of construction companies. Their enforcement register lists only those who have been prosecuted. The lack of a public "good list" means due diligence falls to you, the client or contractor, to request and verify documentation.

I've been asked for my HSE registration number by a client. What should I give them?

If you are a principal contractor and have submitted an F10 for that specific project, provide the F10 confirmation reference. If you are a subcontractor or the project is under the thresholds, explain this. Offer your company's health and safety policy, insurance documents, and risk assessment templates instead to demonstrate competence.

How long does it take for the HSE to process an F10 notification?

The online system provides an instant automated email confirmation. There is no "processing" or approval period. The submission is a legal notification, not an application for a licence. The HSE uses the information for inspection targeting.

How to Check if a Company or Site is Registered with HSE for Construction Work in the UK

What are the penalties for not notifying the HSE when required?

Failure to notify is a breach of CDM 2015. The HSE can issue enforcement notices (stopping work) and, in serious cases, pursue prosecution. Fines can be unlimited. The risk of prosecution increases significantly if an unnotified site also has poor safety standards leading to an incident.

Conclusion and Your Next Steps

To determine if a UK construction company is compliant with HSE notification duties, move beyond the myth of a central register. Your definitive check is to ask the principal contractor for the F10 confirmation email for your specific project. Cross-check the details. For projects under the legal thresholds, shift your focus to assessing general safety competence through policies, risk assessments, and staff qualifications.

This approach is suitable for: clients hiring contractors, contractors engaging subcontractors, or workers verifying their site's basic compliance. It is not suitable as a standalone safety audit. It will not uncover poor safety culture or inadequate risk control on a site that has merely ticked the notification box.

One clear, actionable rule: If a company claims to be "HSE registered" but cannot provide any substantive safety documentation or explain the F10 process, consider it a significant warning sign. True safety management is demonstrated through daily practice, not a single reference number.