Construction Corporation Tax Services
We help prepare accurate Corporation Tax returns while reviewing your accounts for legitimate tax-planning opportunities that could help reduce unnecessary tax liabilities.
Expertise Across Leading Accounting Software
Trusted by Construction Businesses Across the UK
ACCA Regulated Accountants
Professional accounting support backed by recognised industry standards.
500+ Construction Clients
Experience supporting businesses across the construction sector.
25+ Years of Construction Experience
Industry knowledge built around the financial realities of construction.
CIS & HMRC Expertise
Accurate records and support for your construction tax and compliance obligations.
Construction Focused Bookkeeping
Bookkeeping designed around projects, subcontractors, costs and cash flow.
Corporation Tax Built Around Construction
Construction businesses can have significant costs tied up in plant, machinery, vehicles, equipment, subcontractors and ongoing projects. Getting your Corporation Tax calculation right means more than simply applying a tax rate to your year-end profit.
Corporation Tax is difficult to forecast
We review your accounts and taxable profits to give you a clearer view of your expected Corporation Tax liability.
Construction costs are not always treated correctly
We review eligible business expenses, plant, machinery and other costs for the appropriate tax treatment.
Tax planning is left until year end
We identify legitimate tax-planning opportunities before your accounts are finalised.
Capital investment can create tax opportunities
We review qualifying expenditure and available capital allowances to help you claim appropriate relief.
Our Corporation Tax Services
Our Corporation Tax services combine accurate compliance with practical tax planning, helping you understand your liability and identify legitimate opportunities before you file.
Corporation Tax Returns
We prepare and submit accurate Corporation Tax returns and CT600 filings, ensuring your taxable profits, deductions and tax liability are properly calculated.
Corporation Tax Planning
Our Corporation Tax planning looks beyond year-end compliance. We review your accounts, expenditure and business plans to identify legitimate opportunities to manage your tax liability.
Taxable Profit Review
We reconcile your accounting profit with your taxable profit, reviewing adjustments, allowable expenses and other Corporation Tax considerations before your return is submitted.
Capital Allowances
Construction businesses often invest in plant, machinery, equipment and vehicles. We review qualifying expenditure and available capital allowances, including the Annual Investment Allowance, to ensure eligible relief is considered.
Allowable Expenses
We review relevant construction business expenses and supporting records to ensure legitimate deductible costs are appropriately reflected in your Corporation Tax calculation.
Marginal Relief
If your taxable profits fall between £50,000 and £250,000, we review whether Marginal Relief applies and ensure the appropriate calculation is reflected in your Corporation Tax position.
Losses & Tax Reliefs
We review eligible trading losses, capital allowances and other Corporation Tax reliefs that may help reduce or manage your tax liability.
Corporation Tax Advisory
Our support goes beyond filing your return. We provide Corporation Tax advice around capital investment, business expenditure, profit planning and other decisions that could affect your company's tax position.
The Risk of Corporation Tax Errors
HMRC penalties for late Corporation Tax returns increased from 1 April 2026. Incorrect tax calculations can also result in additional tax, interest and penalties.White Weaver offers proactive Corporation Tax support for construction businesses to avoid the following penalties and identify tax-planning opportunities.
White Weaver Finds Tax Saving Opportunities
Your Corporation Tax return should not be the first time your tax position is reviewed. White Weaver looks at the figures behind your accounts to identify tax risks, available reliefs and planning opportunities before the filing deadline.
- Corporation Tax returns prepared accurately
- CT600 filing managed
- Taxable profits reviewed
- Capital allowances considered
- Allowable expenses checked
- Marginal Relief reviewed
- Construction tax planning provided
How Our Process Works
Free Consultation & Quote
We understand your construction business, accounting period, projects and current tax position. You receive a clear, fixed quote based on the support you need.
Accounts & Tax Review
We review your accounts, taxable profit, business expenses, capital expenditure and other relevant tax information to establish your Corporation Tax position.
Return & Tax Planning
We prepare and submit your Corporation Tax return, explain the resulting liability and highlight legitimate tax-planning opportunities for the current and next accounting period.
Trusted by UK Construction Businesses
White Weaver gave us a much clearer picture of our tax liability and explained what we could legitimately claim. Their construction knowledge made the whole process much easier.
We wanted an accountant who could actually advise us on tax planning. White Weaver reviewed our expenditure, investments and accounts and helped us make better decisions before year-end.
Previously, we only thought about Corporation Tax when the accounts were due. White Weaver now reviews our position throughout the year and helps us understand the tax impact of our business decisions.
Plan Before You File
Get a clearer view of your tax liability and make informed decisions about expenses, investments and profits before your accounts are finalised.
FAQs
What is Corporation Tax?
Corporation Tax is a tax on the taxable profits of companies and certain other organisations. For 2026, the main rate is 25%, while companies with profits of £50,000 or less generally qualify for the 19% small profits rate, with Marginal Relief available between £50,000 and £250,000 subject to the relevant rules.
Do you prepare Corporation Tax returns?
Yes. We prepare and submit Corporation Tax returns and CT600 filings, including the relevant tax calculations and supporting information.
Can you help reduce my Corporation Tax bill?
We can identify legitimate tax-planning opportunities, allowable expenses, capital allowances, losses and other available reliefs. The opportunities available depend on your company's circumstances.
What Corporation Tax reliefs can construction companies claim?
Depending on the circumstances, construction companies may benefit from capital allowances, Annual Investment Allowance, Marginal Relief, trading loss relief and potentially other applicable reliefs.
Can you review capital expenditure?
Yes. We can review expenditure on qualifying plant, machinery and equipment and consider whether capital allowances or other available reliefs apply.
What is the Annual Investment Allowance?
The Annual Investment Allowance allows businesses to deduct the full value of qualifying plant and machinery from profits before tax, subject to the relevant rules. The current AIA amount is £1 million.
When is Corporation Tax due?
Corporation Tax is generally due 9 months and 1 day after the end of your accounting period. Your Company Tax Return is generally due 12 months after the end of your accounting period.
Do you provide ongoing Corporation Tax advice?
Yes. Our service can include ongoing Corporation Tax planning and advisory, so tax considerations can be addressed before major expenditure, investment or year-end decisions are made.
