The UK Rules
'Follow the Regulations'
Selling a Business: Your Responsibilities

Responsibilities of Selling a Business

There are legal responsibilities attached to selling your business or closing it down. Check what duties you have if you sell your company or close a sole trader business or a partnership.

SELF-EMPLOYED SOLE TRADER: Business owners must comply with the rights of their employees if they sell a business.

They are also responsible for finalising all company tax affairs.

If You Employ Staff

The people who work for you have employee rights when you are selling your business (or closing it down).

All employers must inform their staff about:

Note: Employers must avoid breaching the employment rights of workers if their business changes ownership. Read more in business transfers, takeovers and TUPE.

Informing HM Revenue and Customs

There is an online form to let HM Revenue and Customs know that you sold your business. You can use the same form if you stop self-employment or have never been self-employed. It also covers National Insurance.

Authorised agents can complete the form on behalf of their client. That is providing the agent used HMRC 64-8 or the online authorisation service. Contact the HMRC National Insurance helpline to cancel Class 2 NI contributions.

Note: HM Revenue and Customs do not accept dates earlier than 7 days before the end of self-employment.

VAT Registration

Most businesses will have VAT registration. It may be possible to change VAT details and the existing registration number to a new owner.

Self-assessment Tax Returns

Sending a Self Assessment tax return is another responsibility of selling your business. You must send the return before the Self Assessment deadlines to avoid a penalty. Make sure you insert the date that you ceased trading on the return.


Capital Gains Tax

In some cases, selling your business can realise a 'capital gain'. Typical examples include money made by selling company assets from your business.

This may mean that you need to pay Capital Gains Tax. But, some business sellers can often reduce the amount by claiming 'Entrepreneurs' Relief'. In some cases, there may also be some other reliefs available.

Responsibilities of Selling a Business Partnership

You will have different responsibilities when selling a business partnership. It will depend most on whether you sell only your share of the partnership or the entire partnership.

Legal Responsibilities of Selling Your Company or Closing a Sole Trader Business in the UKNote: Always check the agreements in the business partnership. It often has conditions attached or some restrictions for the sale.

If You Employ Staff

Your staff will have workers' rights when you are selling your business partnership. The same also applies if you are closing it down.

You must inform your workforce about the sale and:

Note: Employers must avoid breaching the employment rights of workers if their business changes ownership.

If You are Ending Self-employment

Often, you will stop self-employment after selling a partnership. You should contact HM Revenue and Customs to cancel your Class 2 National Insurance contributions.

VAT Registration

Most business partnerships will have VAT registration. You can usually change VAT information and an existing registration number to a new owner.

Self Assessment Tax Returns

Selling Your Share in a Partnership

Sending a personal Self Assessment tax return is another responsibility of selling your partnership. You must send the return before the Self Assessment deadline to avoid a penalty.

Selling a Whole Partnership

The legal responsibilities of selling an entire partnership include:

  1. Ensuring the 'nominated partner' sends in a Partnership Tax Return before the deadline.
  2. Sending your personal Self Assessment tax return before the deadline.

Capital Gains Tax

In some cases, selling your business can realise a 'capital gain'. Typical examples include money made by selling company assets from your business.

This may mean that you need to pay Capital Gains Tax. But, some business sellers can often reduce the amount by claiming Entrepreneurs' Relief. In some cases, there may also be some other reliefs available.

Responsibilities of Selling Your Limited Company

The legal responsibilities of selling a limited company vary. It will depend most on whether:

Selling the Entire Shareholding

Appointing New Directors or Company Secretaries

There are several steps to make before you resign as a director yourself. You should appoint new directors and inform 'Companies House' about the changes.

Capital Gains Tax

In some cases, selling your business can realise a 'capital gain'. Typical examples include money made by selling company assets from your business.

This may mean that you need to pay Capital Gains Tax. But, some business sellers can often reduce the amount by claiming Entrepreneurs' Relief. Often, there may be some other CGT reliefs for businesses available.

Charges against the Company

You may have secured finance for the company against your own personal property. An example would be a mortgage on a house to secure a business loan. In this case, you must inform the finance provider within 21 days of selling the company.

VAT Registration

Most companies will have VAT registration. In most cases, you can change the registered information and number to the new owner.

When a Company Sells Part of a Business

In some cases, the employees may get affected by the sale of your part in the business. An example is if the company sells its production business. It may affect the workforce in the factory.

In these situations you must inform the workers about the changes. This would include:

Note: During the change of a business ownership you must ensure the rights of employees do not get breached.

Legal Responsibilities of Selling Your Business or Closing it in the United Kingdom