Compliance Hub
The law has changed. Most smaller contractors don't know it yet. These guides explain what you're required to do — and what happens when you're not doing it.
All Guides
Ten authoritative guides covering every obligation a UK main contractor has when engaging subcontractors. Each guide cites the actual legislation and tells you exactly what you're required to do.
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Building Safety Act
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 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
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
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 2026The "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
UK main contractors have a legal duty to check every subcontractor's right to work before they start. Here's exactly what the law requires, what documents are accepted, and what happens if you get it wrong.
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
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
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
Before any subcontractor starts on your site, you're legally required to carry out several checks. Here's the exact sequence — what to check, when to check it, and where to keep the records.
Subchecked automates every check covered in these guides — Right to Work, HMRC CIS, CSCS, insurance — and builds your audit trail automatically.