Engagement Letter – Payroll and Auto-Enrolment

An engagement letter for running a client’s payroll, RTI submissions, statutory payments and workplace pension auto-enrolment duties.

Editable Word document
15
10pages
Guidance notes included
aml consultancy solutions

Accountancy practice – client documents

Engagement Letter – Payroll and Auto-Enrolment

About this document

What it’s for

A covering letter and schedules setting out exactly which payroll and pension tasks you carry out for an employer client, what the employer must do (and remains legally responsible for), the payroll timetable and the data protection terms that apply to employee data.

When to use it

  • Taking on a new payroll or auto-enrolment client, including directors-only payrolls
  • Changing the scope of an existing payroll service, such as adding pensions or benefits in kind
  • Re-papering clients after the 2026 statutory sick pay and employment law changes

What’s inside

The document is laid out in the sections below. Each one comes with a plain-English guidance note explaining what it does and what to change.

  1. Payroll details
  2. Payroll services
  3. Auto-enrolment services
  4. Benefits in kind
  5. Your responsibilities as employer
  6. Our responsibilities
  7. Services not included
  8. Authority to act
  9. Data processing terms
  10. Our professional obligations
  11. Identity checks and money laundering
  12. Confidentiality and your information
  13. Fees and payment
  14. Our liability to you
  15. Changes in the law and to this engagement
  16. Ending the engagement
  17. How our agreement fits together

Also included

  • Fees
  • Timetable

How to complete it

  • Tick the payroll and pension services agreed in Schedule 1
  • Fill in the pay frequency, cut-off dates and contacts in Schedule 2
  • Check thresholds and rates in placeholders each tax year
  • Make sure your Standard Terms include data processing terms

Key points to check

  • Auto-enrolment thresholds and statutory payment rates change each April
  • Payroll-only agents must register with HMRC as tax advisers – check your deadline

Our templates are professionally structured starting points for UK businesses, not legal advice. For anything complex, unusual or high-value, have your final version checked by a solicitor.

Included in the pack

Accountancy practice – client documents

£20

for every document in this category

Editable Microsoft Word files

Guidance notes in every document

Written for UK businesses

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