Benefits of claiming the Annual Investment Allowance

by Aitch, posted in Capital allowances

Businesses investing in qualifying assets may be able to claim the Annual Investment Allowance (AIA) and deduct the full cost of eligible purchases from their profits before tax. This can help by reducing the amount of taxable profit in the period the investment is made.

The AIA can generally be claimed by sole traders, companies and partnerships where all the partners are individuals, on most plant and machinery up to the available allowance. The current AIA limit is £1 million, meaning many businesses can claim immediate relief on significant investments rather than spreading the tax relief over several years.

Qualifying purchases may include items such as machinery, equipment and certain business assets. However, the AIA cannot be claimed on business cars, assets previously owned for another reason before being used in the business or items given to the business.

The allowance is claimed in the accounting period when the asset is bought. Businesses should ensure they use the correct purchase date, which may depend on when contracts are signed or payments become due.

If a business does not want to claim the full amount of AIA, for example because it has low profits, it may choose to claim writing down allowances instead or split the claim between AIA and other capital allowances.

Source:HM Revenue & Customs | 23-08-2026
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Aitch
I'm Aitch, the Founder and CEO of CIGMA Accounting Ltd. As a Chartered Management Accountant and as a CIMA member, I've spent more than 16 years helping businesses, entrepreneurs, landlords, and individuals with tax planning, accounting, and HMRC compliance. As a chartered accountant in London, I'm passionate about making complex tax matters easier to understand and helping clients make confident financial decisions. Over the years, I've advised start-ups, SMEs, established companies, and high-net-worth individuals across a wide range of tax and accounting matters. My expertise includes Corporation Tax, Self-Assessment, Capital Gains Tax, Inheritance Tax planning, R&D tax relief, capital allowances, international tax, and resolving complex HMRC compliance issues. Whether clients need a business accountant, tax accountant, or strategic tax advisor, my focus is always on delivering practical advice that creates long-term value. One of my specialist areas is Making Tax Digital (MTD). I've worked extensively with businesses preparing HMRC's digital reporting requirements, helping them move to cloud accounting, improve financial processes, and adopt technology that makes compliance more efficient. I regularly speak at Making Tax Digital roadshows, industry events, and educational sessions in collaboration with Zoho Books, sharing practical insights into digital accounting, tax legislation, and the future of the profession. Many business owners looking for the best accounting firm in London are not simply searching for an accountant they're looking for trusted advice, responsive support, and long-term value. That's the approach I've taken in building CIGMA Accounting. My team and I work closely with businesses across London and the UK, providing accounting services, tax advisory, bookkeeping, payroll, VAT, company accounts, and strategic tax planning tailored to each client's goals. Through this website, I share practical guidance on UK taxation, Making Tax Digital, HMRC updates, Corporation Tax, Self-Assessment, and business finance. My aim is to provide reliable, straightforward information that helps business owners understand changing regulations, reduce compliance risks, and make informed financial decisions with confidence.
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