Compliance Hub
Understand it.
Prove it.
Get paid for it.
These guides break down what's expected of a UK main contractor, in plain English. Understanding it is the first step — showing your clients you've got it covered is what wins the next job.
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Ten plain-English guides to help you understand the compliance landscape UK main contractors work in. Each guide references the relevant legislation and links to official sources — but it's general information, not legal advice, so always confirm your specific obligations with a qualified professional.
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Building Safety Act
Building Safety Act 2022: What It Means for SME Contractors
The Building Safety Act 2022 made every main contractor a named dutyholder. Most SME builders don't know what that means. Here's what the law requires — and what you're personally responsible for proving.
Building Safety Act
The Golden Thread Explained: What Contractors Must Document
The Building Safety Act created a legal requirement to maintain a "golden thread" of information. Here's what it is, who's responsible for it, and what contractors must do to comply.
Building Safety Act
BSA: What Changed in 2023 and 2024 — and What's Live Now
The Building Safety Act came in stages. Key provisions switched on in October 2023 and through 2024. Here's what changed, when it changed, and what contractors are now required to do.
Building Safety Act
Principal Contractor Duties: What You're Actually Responsible For
If you're a main contractor, you are the Principal Contractor under the Building Safety Act. Here's what that means: what you must do, what you cannot delegate, and what happens if you get it wrong.
HMRC CIS
April 2026HMRC CIS Subcontractor Verification
The "Knew or Should Have Known" rule is now in force. If you pay a subcontractor Gross without verifying their status, you are personally liable for the tax shortfall — even if they told you they were registered.
Right to Work
Right to Work Checks for Subcontractors
UK main contractors have a legal duty to check every subcontractor's right to work before they start. Here's an overview of what the law requires, what documents are typically accepted, and what happens if it's not done.
Insurance
How to Verify a Subcontractor's Insurance
A subcontractor's insurance certificate is not proof of cover. Here's how to get proper written confirmation from the insurer — and why it matters if something goes wrong on site.
CSCS Cards
CSCS Cards: What You Must Check Before Work Starts
Knowing a subcontractor has a CSCS card isn't the same as checking it. Here's what each card type means, how to verify it's valid on the CITB register, and why it matters under the Building Safety Act.
Record Keeping
Compliance Records: What to Keep and How Long
HMRC, the HSE, and the Home Office all have different retention requirements. Here's what you need to keep, for how long, and in what format — and what an audit actually looks like.
Practical Guide
How to Onboard a Subcontractor Compliantly: The Complete Checklist
Before any subcontractor starts on your site, you're legally required to carry out several checks. Here's a recommended sequence — what to check, when to check it, and where to keep the records.
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Subchecked automates every check covered in these guides — Right to Work, HMRC CIS, CSCS, insurance — and builds your audit trail automatically.