Construction Accountants UK — CIS, VAT and job-costing support.
Britvex supports UK construction companies and trades with CIS, bookkeeping, payroll, VAT reverse charge, annual accounts, Corporation Tax, project reporting and cash flow — keeping subcontractor, supplier and job information connected.
One job can touch CIS, VAT, payroll and cash flow at the same time.
Subcontractor deductions, materials, reverse-charge VAT, retentions and staged payments should reconcile to the job and the general ledger rather than being fixed after year end.
Build the accounting around how the business actually operates.
Britvex supports UK construction companies and trades with CIS, bookkeeping, payroll, VAT reverse charge, annual accounts, Corporation Tax, project reporting and cash flow — keeping subcontractor, supplier and job information connected.
Control subcontractors and project cash
CIS verification, deductions and returns need to sit alongside supplier costs, client applications, retentions, payroll and the project ledger.
Reconcile deductions and job profitability
CIS deductions suffered, materials, labour and VAT treatment need to be recorded in a way that supports the tax position and shows whether the work is actually profitable.
Move from compliance to job-level reporting
As the business adds crews, vehicles, subcontractors and multiple projects, management reporting should separate site performance from overhead and financing.
CIS and the VAT reverse charge create recurring checks before the year end.
The VAT domestic reverse charge changes who accounts for VAT; it does not remove the need to record the supply correctly. For relevant UK VAT-registered construction suppliers, the treatment depends on factors including whether the customer is VAT registered, whether the work falls within CIS, the VAT liability of the service and whether the customer has confirmed end-user or intermediary-supplier status. Review these conditions before issuing the invoice, rather than assuming every construction invoice uses the reverse charge.
Under CIS, contractors should verify subcontractors when required, apply the HMRC-confirmed deduction rate, maintain records of qualifying materials and issue payment-and-deduction statements where deductions are made. The standard rates are 20% for registered subcontractors, 30% for unregistered subcontractors and 0% for those with gross payment status. Monthly CIS returns generally cover the tax month ending on the 5th and are due by the 19th; payment records and employment-status considerations should be reconciled before submission. See HMRC CIS return guidance and HMRC reverse-charge guidance for the detailed rules.
Construction bookkeeping also needs a commercial layer. Materials, subcontractors, direct labour, plant, transport, retentions and overhead should be distinguishable so management can see whether individual jobs and the business as a whole are generating enough margin.
Understand → structure → reconcile → report.
Good accounting becomes easier when the workflow is designed around the business before the filing deadline arrives.
Set up jobs, suppliers and subcontractors
Identify the project structure, CIS roles, VAT status, payroll and the coding needed for direct costs, retentions and overhead.
Build controls into purchasing and payment
Capture supplier invoices, subcontractor verification, CIS deductions, materials and client billing as part of the recurring workflow.
Match project data to the accounts
Reconcile applications, invoices, retentions, bank movements, VAT and CIS so project reporting agrees with the statutory ledger.
Use job data for margin, tax and cash
Carry the controlled record into VAT, CIS, payroll, annual accounts, Corporation Tax and management reporting.
Use one financial record across the services that depend on it.
These services can be scoped separately or coordinated as part of the same Britvex relationship, depending on what the business actually needs.
CIS
Contractor and subcontractor accounting workflow.
Contractors & CIS →Bookkeeping
Job, supplier, bank and subcontractor records kept current.
Bookkeeping →VAT
VAT registration and domestic reverse-charge accounting support.
VAT →Payroll
PAYE payroll for employees and directors.
Payroll →Management Accounts
Project and business-level reporting where source data supports it.
Management Accounts →Cash Flow
Forecasting around project receipts, suppliers, payroll and tax.
Cash Flow →Project reporting and tax compliance should use the same job data.
Britvex can connect construction bookkeeping to CIS, VAT, payroll, management accounts and year-end reporting so the project margin does not live in one spreadsheet while the statutory accounts tell another story.
UK accounting support with a visible compliance framework.
Britvex connects onboarding, records, accounting work and client communication through a UK practice and secure client portal.
Questions to answer before the next deadline or decision.
General information is useful for orientation. The correct accounting or tax treatment still depends on the facts of the business or individual.
Does every construction business need CIS registration?
Businesses that pay subcontractors for construction work generally need to register as CIS contractors. Certain non-construction businesses can also become deemed contractors when the statutory construction-spend test is met.
When is a CIS return due?
The contractor monthly CIS return is normally due by the 19th following the end of the relevant CIS tax month.
When does the VAT domestic reverse charge apply?
It can apply to specified standard- or reduced-rated construction services where the supplier and customer are VAT registered, the payment is reported within CIS and the other conditions are met. End-user and other exclusions can change the treatment.
Can construction accounts show profit by job?
Yes, if the bookkeeping captures direct costs, subcontractors, materials, labour and revenue by project at a usable level. Management reporting can then compare project performance.
How should retentions be treated?
The accounting and VAT treatment depends on the contract, invoice and timing. Retentions should be separately identifiable so receivables and project reporting remain clear.
Can Britvex handle payroll and CIS together?
Yes. Keeping employees and subcontractors clearly separated helps payroll, CIS and the general ledger remain consistent, while employment status still needs to be considered on its own facts.
Build the finance process around the job cycle.
Britvex can connect CIS, VAT, payroll, project bookkeeping, cash flow and annual reporting so construction businesses can see both the compliance position and the commercial result.