London skyline at dawn with construction cranes

[ Chartered Accountants for the Built Environment ]

Construction Accountants
London

We calculate the TAX

Specialist UK tax and accounting for construction firms. As your corporation tax accountant in London, we file CT600 returns, self assessments, balance sheets and P&L statements — with CIS and VAT expertise built for builders, contractors and developers.

[ Accounting for Construction ]

Accounting for Construction Businesses

Running a construction business comes with unique accounting and tax responsibilities. From CIS deductions and VAT to payroll, subcontractor payments, bookkeeping and corporation tax, keeping your finances organised is essential.

At LCA Limited, we work with builders, contractors, subcontractors and construction companies across London, helping businesses stay compliant, improve cash flow and make better financial decisions.

Whether you're a sole trader, limited company or growing construction business, our team can provide practical accounting support tailored to your business.

[ Structural Services ]

Built on the
foundation of precision.

As your corporation tax accountant in London, we treat every CT600 return, balance sheet and P&L statement as a critical load-bearing element in your business structure — engineering compliance with structural precision.

01
CT600 Corporation Tax

Component 01

CT600 Corporation Tax

Accurate, deadline-driven CT600 corporation tax returns for limited companies across the construction sector — the work of a specialist corporation tax accountant in London.

  • Full CT600 submission to HMRC
  • Capital allowances & plant claims
  • Construction Industry Scheme (CIS) review
  • Tax liability optimisation
02
Self Assessment Tax Returns

Component 02

Self Assessment Tax Returns

Self assessment returns for subcontractors, sole traders and company directors — filed correctly, on time, by a CIS accountant London builders trust.

  • SA100 self assessment filing
  • CIS rebate recovery
  • Expense & allowance optimisation
  • Penalty avoidance planning
03
Company Balance Sheet

Component 03

Company Balance Sheet

Structurally sound balance sheets that reflect the true financial position of your construction business.

  • Statutory balance sheet preparation
  • Fixed asset & depreciation schedules
  • Director's loan account reconciliation
  • Companies House filing
04
Profit & Loss Statement

Component 04

Profit & Loss Statement

Clear P&L statements engineered to reveal project profitability and support confident financial decisions.

  • Period & year-end P&L statements
  • Project-by-project margin analysis
  • Cost of sales breakdown
  • Cash flow forecasting
Construction site manager overlooking London
[ The Financial Foreman ]

[ Our Philosophy ]

We engineer the financial scaffolding behind London's greatest structures.

London Construction Accountants is a specialist UK practice and the accountant for construction companies across the capital — serving builders, contractors and developers. We don't just manage numbers — we treat every return and statement as structural work, marrying the industrial strength of the construction site with the absolute clarity of elite financial management.

100%

On-time filing

UK

HMRC registered

CIS

Sector specialist

[ Financial Site Review ]

Request a free financial site review.

Tell us about your project. Whether you need an accountant in Southall, an accountant in West London or anywhere across the capital, we'll assess your tax, P&L and balance sheet position and outline exactly where we can add load-bearing strength to your numbers.

▸ No obligation assessment

▸ Response within one working day

▸ Specialist construction sector focus

LCA
London Construction Accountants

Specialist chartered accountants for the UK construction sector. Tax returns, balance sheets and P&L statements engineered with structural precision.

© 2026 London Construction Accountants

Registered in England · HMRC regulated

◢ 31 JAN — Self assessment deadline◢ 31 MAR — CT600 Q4 (year-end Dec)◢ 30 JUN — First CT payment on account◢ 31 OCT — Paper self assessment deadline◢ 31 JAN — Self assessment deadline◢ 31 MAR — CT600 Q4 (year-end Dec)◢ 30 JUN — First CT payment on account◢ 31 OCT — Paper self assessment deadline◢ 31 JAN — Self assessment deadline◢ 31 MAR — CT600 Q4 (year-end Dec)◢ 30 JUN — First CT payment on account◢ 31 OCT — Paper self assessment deadline