Knowledge base

Practical guides for running project-based trades.

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

AllQuotingJob costingInvoicingCIS & VATRunning projects
Invoicing

What a Clean Subcontractor Invoice Workflow Looks Like

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

BuilderDash21 Jun 2026
Invoicing

Why PO Approval Status Should Be Checked Before a Subcontractor Invoice Is Paid

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.

BuilderDash19 Jun 2026
Job costing

How to Stop Purchase Orders Getting Lost in WhatsApp

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.

BuilderDash17 Jun 2026
Invoicing

Why Delivery Notes Matter Before Materials Invoices Are Approved

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.

BuilderDash15 Jun 2026
Invoicing

How to Handle Disputed Supplier Invoices Without Losing Cost Control

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.

BuilderDash13 Jun 2026
CIS & VAT

Making Tax Digital for Sole Trader Builders: Who Is Affected and When?

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.

BuilderDash12 Jun 2026
Invoicing

How to Prevent Duplicate Supplier Invoices in Construction

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.

BuilderDash11 Jun 2026
Job costing

How to Control Purchase Order Overspend and Variations in Construction

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.

BuilderDash9 Jun 2026
Running projects

What Construction Businesses Should Standardise Before Automating Accounts

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.

BuilderDash7 Jun 2026
Running projects

Why Directors Should Not Be the Accounts Approval Bottleneck

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.

BuilderDash3 Jun 2026
Invoicing

Why Project Codes and Site References Matter on Materials Invoices

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.

BuilderDash1 Jun 2026
Invoicing

How to Spot Partial Subcontractor Invoices Before They Hit 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.

BuilderDash30 May 2026
Invoicing

How to Reduce End-of-Month Invoice Chasing in Construction

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

BuilderDash28 May 2026
Invoicing

Construction Purchase Order Software: How Small Contractors Control Spend Before Invoices Arrive

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.

BuilderDash28 May 2026

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