Self Assessment
Filed online, with a breakdown of what you owe and why. Dates: 31 January 2027 for the 2025–26 return.
Landlords
Rental income, restricted finance costs, and whether MTD already applies to your gross rents. See landlord tax.
Contractors
Umbrella, limited company or sole trader — we will say what you actually have, not what a forum recommended. IR35 status is a facts test, not a slogan.