Capital allowances calculator — AIA, WDA & pools

Claim the capital allowances you're entitled to. We handle the Annual Investment Allowance, writing-down allowances and the main/special-rate pools, pro-rated for short accounting periods.

• Annual Investment Allowance up to the £1m cap
• Writing-down allowances on a reducing balance
• Main and special-rate pools carried forward
• Feeds your annual accounts and CT600