How should website development and software costs be treated in my accounts?
The treatment depends on what you are buying. Routine subscriptions, hosting and maintenance are different from creating or acquiring an asset with lasting value. Check the accounting and tax rules separately: describing everything as software or marketing does not decide whether it can be deducted immediately.
These answers provide general information, not advice tailored to your circumstances. Rules can change and exceptions may apply — speak to the CASS team before making a tax, accounting or financial decision.
Identify what the payment actually covers
Ask for a breakdown of the work or licence you are buying. A monthly software subscription usually pays for access over a period, while bespoke development or a purchased licence can create a longer-lasting asset. Hosting, routine updates and maintenance can differ from the initial build or a substantial upgrade. For a website, HMRC looks at the nature and lasting benefit of the expenditure rather than accepting a marketing label as decisive. The accounting framework also determines whether development costs meet the criteria for recognition as an asset. Keep contracts, invoices and project details so setup, development, training and ongoing support can be assessed separately instead of posting one unexplained total.
Separate the accounts from the tax relief
An asset recognised in the accounts may be written off over its useful life, while an ongoing service cost is normally charged over the period it covers. That accounting treatment does not automatically determine the tax deduction. Depending on the business and expenditure, tax relief can involve an ordinary expense deduction, capital allowances or the company intangible asset rules. Purchased software has specific provisions, and eligibility should be checked before assuming AIA applies. VAT recovery is another separate consideration. CASS can review the project breakdown and apply a consistent treatment. This also helps you compare the real cash cost of a subscription with an upfront development project, without basing the decision solely on tax.
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