Career guide
How to become a locum dentist in the UK: GDC registration, NHS Performer Number, associate agreements, indemnity, and the HMRC self-employment landscape.
A locum dentist covers clinical work for the organisations that need them, one session at a time, instead of holding a single salaried post. Depending on the profession and the booking that can mean self-employment, or PAYE through an agency, a staff bank or an umbrella company: the steps below say which is usual. This guide walks through everything you need to do to start, in order, and the common pitfalls that catch people in their first year.
Guide | 7 steps
GDC registration is mandatory. UK-qualified new dentists must complete Dental Foundation Training (England) or the equivalent Vocational Training (Wales, Scotland, Northern Ireland) before being issued an NHS performer number. Overseas-qualified dentists go through equivalent pathways. Locum work on the NHS is impossible without DFT/VT or equivalent.
In England you must be on the Dental Performers List before you do NHS work. Check the current application route and timescale with NHS England before you plan a start date, and apply early: it can take weeks. Scotland, Wales, and NI run their own equivalents. If you’re planning to work only privately, skip this initially, but most locum dentists do some NHS work.
Dental Protection (MPS), MDDUS, DDU (MDU), or BDA Indemnity are the four options. Indicative locum premiums £2,500 to £8,000/year depending on scope, claims history, and specialty (implants, endo, oral surgery push premiums hard); reviewed May 2026, verify with the provider for a current quote. Check run-off cover before switching providers: gaps here are catastrophic.
UDA-linked NHS work pays £13 to £16 per UDA typically, £17 to £22 in underserved areas with recruitment premium. Private associate work pays 40 to 50% of gross (locum nets £320 to £1,000/day at typical gross). Specialist locums (endo, perio, oral surgery, implants) earn £800 to £1,800/day.
Dental Elite, MyLocum Manager, and Apollo Dental are the main agencies. Corporate groups (mydentist, Bupa Dental, Rodericks, Portman) usually hire locums direct without an intermediary. Register with a mix.
HMRC has been scrutinising dental associate self-employment since 2022 to 2024. The old BDA Memorandum protection has weakened. Your agreement must reflect genuine self-employment: substitution rights, own materials where applicable, own hours, own patients. Get an accountant familiar with BDA Memorandum to review.
Associate locums are usually sole trader or Ltd Co. Budget 30% for tax + Class 4 NI. Income protection insurance is not optional: dental careers are frequently cut short by repetitive strain or eye strain. Add NHS pension if NHS-performing.
Once you are registered
Log every session with its date, rate, and workplace, send invoices that chase themselves, keep your documents current, and watch your tax reserve build as you go.
Checklist | Documents
On Plus and Pro, Sessional stores these and emails you a reminder 30, 14, 7 and 1 days before each one expires.
Checklist | First year
Related
Last reviewed April 2026. Rates and regulator details change. If something looks off, let us know.
From the first booking
Keeps the records, does the sums. Filing and advice stay with you and your accountant.
Sessional tracks every session and invoice from day one on the free Basic plan, with no card. Expenses and documents come with Plus.