Allowable expenses (quick guide) Enter only costs that are wholly and exclusively for business use. Keep records and receipts.
Typical categories Travel costs for business journeys Office and stationery Software subscriptions and tools Phone and internet business use Professional fees and insurance
Usually not allowable Personal living costs Private travel and commuting Client entertaining in many cases Mixed-use costs without valid apportionment
Best practice Track expenses monthly, not yearly Separate business and personal bank spending Store digital receipts and invoices Review totals before Self Assessment deadlines