Engagement Letter – P11D and Payrolled Benefits

An engagement letter for reporting employee benefits in kind and expenses: forms P11D and P11D(b), Class 1A NIC, PAYE settlement agreements and the move to mandatory payrolling of benefits.

Editable Word document
13
10pages
Guidance notes included
aml consultancy solutions

Accountancy practice – client documents

Engagement Letter – P11D and Payrolled Benefits

About this document

What it’s for

A covering letter and schedules for an employer client’s annual benefits and expenses reporting, and for payrolling benefits in kind – voluntarily now, and on a mandatory basis for the first group of benefits from April 2027.

When to use it

  • Employers that provide company cars, vans, fuel, medical insurance, loans or other benefits
  • Directors-only companies with benefits for directors
  • Planning the move from P11D reporting to payrolling benefits

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. Scope
  2. Option A – forms P11D and P11D(b)
  3. Option B – payrolling benefits
  4. Mandatory payrolling of benefits
  5. PAYE settlement agreement
  6. Your responsibilities
  7. Our responsibilities
  8. Services not included
  9. Authority to act
  10. Professional rules and standards
  11. Identity checks and money laundering
  12. Confidentiality and data protection
  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

  • Choose Option A (P11D), B (payrolling) or both, for each tax year
  • Send the benefits questionnaire to the client before the tax year ends
  • Check Class 1A, official interest and car benefit rates each year
  • Use your payroll letter for the main payroll service

Key points to check

  • Mandatory payrolling: HMRC has phased it and the guidance is still developing
  • Rates and penalty amounts are placeholders – check gov.uk

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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