Pre-filled with typical Energy & Utilities figures: 40 employees, £42,000 average salary. Adjust the sliders for your actual numbers.
Corporation Tax Calculator
UK corporation tax is 25% on profits above £250,000 and 19% on profits under £50,000, with marginal relief in between. Enter your taxable profit to see your exact bill and effective rate.
£0£750,000£500k
How Corporation Tax Works
• Profits up to £50,000: 19% (small profits rate)
• Profits £50,001 - £250,000: 19-25% (marginal relief)
• Profits above £250,000: 25% (main rate)
Your Corporation Tax Bill
£187,500
Main rate (25%)
Effective rate25.0%
Taxable profit£750,000
After-tax profit£562,500
Monthly Tax Provision
£15,625 /month
Energy & Utilities — Key Concerns
- Large workforces amplify per-employee cost changes
- Capital-intensive infrastructure means business loan costs are critical
- Business rates on utility infrastructure can be very high
Corporation Tax Calculator for Other Industries
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FreshBooks
Accounting software built for small business owners. Invoicing, expenses, tax reporting — MTD-compatible from day one.
Start Your Free FreshBooks Trial →Frequently Asked Questions
- What is the UK corporation tax rate?
- The main rate is 25% for profits above £250,000. The small profits rate is 19% for profits up to £50,000. Marginal relief applies between £50,000 and £250,000.
- When is corporation tax due?
- Corporation tax is due 9 months and 1 day after the end of your accounting period. Large companies (profits over £1.5m) pay in quarterly instalments.
- Can I reduce my corporation tax bill?
- Yes, through allowable business expenses, capital allowances, R&D tax credits, pension contributions, and charitable donations.