What can Guernsey businesses claim as expenses?

Yes — business insurance premiums (professional indemnity, public liability, employers' liability, office contents, directors and officers, business interruption) are deductible as ordinary business expenses. Guernsey is a major insurance domicile so insurance options are extensive.

Yes — travel and accommodation costs incurred wholly and exclusively for business purposes are deductible. Guernsey has no approved mileage rates equivalent to HMRC's advisory rates; the actual cost basis is used. There is no VAT on Guernsey fuel to reclaim.

Yes — directors' fees and salaries paid by a Guernsey company to its directors are deductible as trading expenses, subject to the fees being commercially reasonable and at arm's length. Directors resident in Guernsey pay personal income tax at 20% on their fees.

Yes — salaries and wages paid to employees are fully deductible against Guernsey corporate income tax. The company must operate the ETI (Employees Tax and Insurance) PAYE system, deducting income tax and social insurance from gross pay and remitting to the Revenue Service monthly.

Yes — marketing and advertising costs (website, digital ads, print, events, PR) are fully deductible as trading expenses. There is no Guernsey-specific advertising levy or restriction comparable to other jurisdictions.

Yes — office rent, co-working memberships and business premises costs are fully deductible against Guernsey corporate income tax as ordinary business expenses. The cost must be wholly and exclusively incurred for the purposes of the trade.

Yes — employer pension contributions to Guernsey-approved pension schemes are deductible against corporate income tax. Personal pension contributions by individuals also attract income tax relief at 20%. Guernsey has its own pension legislation separate from the UK.

Yes — fees paid to accountants, lawyers, company secretaries, registered agents and business consultants are deductible provided they relate to the company's trading activities, not capital transactions or personal matters.

Yes — software subscriptions (SaaS tools, cloud services, accounting software, business applications) are fully deductible as revenue expenditure. There is no VAT in Guernsey so the full subscription cost is the deductible amount with no input tax to recover.

Partially — vehicle costs used exclusively for business are fully deductible. Mixed personal/business use requires an apportionment. Guernsey has no HMRC-style approved mileage allowance payment scheme; actual costs are used. There is no fuel benefit charge system equivalent to the UK.