No fluff — just straight guidance on quoting, job costing, purchase orders, invoicing, CIS, VAT and keeping multi-week projects under control.

A subcontractor invoice should be easy to trace, easy to match, and easy to query. The workflow matters more than the invoice file itself.

An invoice may be accurate and still not be payable. Construction teams need a simple rule for checking PO approval status before costs reach accounts.

WhatsApp is quick for site communication, but it is a poor place to store commercial approvals. Contractors need a simple rule for turning chat requests into proper purchase orders before spend starts drifting.

A materials invoice should not be approved simply because it names the right site. Matching the purchase order, delivery evidence and invoice helps contractors catch missing, damaged or incorrectly charged goods before payment.

A queried invoice should not disappear into an email chain or remain fully approved while the site team investigates it. This practical workflow shows how construction businesses can record the issue, protect job costs and reach a clear payment decision.

Making Tax Digital for Income Tax now applies to some sole trader builders, with lower income thresholds following in 2027 and 2028. This practical guide explains who is affected, what qualifying income means, and how to keep job records ready for quarterly reporting.

Duplicate invoices can enter a construction business through several routes and still look legitimate. Here is a practical checking workflow for catching repeats, applying credit notes correctly, and keeping job costs accurate before the payment run.

A purchase order only controls spend if changes are recorded before the invoice arrives. Here is a practical workflow for handling overspend, revised orders, and construction variations without losing sight of the committed job cost.

Accounts automation works best when the basic construction controls are already clear. Before pushing more invoices through software, contractors should standardise purchase orders, job references, approval rules, and exception handling.

When every supplier invoice, subcontractor claim, and purchase order query waits for a director, accounts slows down and job costing becomes less useful. A cleaner approval workflow keeps control visible without turning one person into the bottleneck.

Materials invoices become harder to control when the job, site, PO, and delivery context are missing. Clear project codes and site references help accounts and project teams agree what the cost belongs to before it reaches bookkeeping.

Partial subcontractor invoices are not a problem by themselves. The problem is when nobody can see what has already been claimed, approved, queried, or held back.

Month-end invoice chasing is usually a sign that job references, approvals, purchase orders, and invoice checks are not joined up early enough.

For small UK contractors, purchase orders are not just paperwork. They are the point where spend control starts, before supplier and subcontractor invoices reach accounts.
Put it into practice with BuilderDash — one system for every enquiry, job, quote and invoice.