Glossary

Annual investment allowance

The annual investment allowance (AIA) lets a company write off the full cost of qualifying equipment against taxable profit in the year of purchase, up to a set limit — powerful relief on capital spending.

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Full write-offIn year of purchase
Up to a limitGenerous cap

Definition

The annual investment allowance is a form of capital allowance that permits a business to deduct 100% of the cost of qualifying plant and machinery from its taxable profit in the year of acquisition, up to an annual cap, rather than spreading it over years.

In plain terms

Buy qualifying kit and, within the limit, the whole cost cuts your taxable profit straight away — a big, immediate tax saving on investment.

Why it matters for your company

The AIA makes investing in equipment more attractive, and financing it can let you claim the relief while spreading the cash cost. See asset finance.

Funding for UK limited companies

Credicorp lends to your company, not to you personally — short-term working capital with no personal guarantee. See what your business could access.