Due diligence checklist: share purchase

Legal due diligence checklist for the acquisition of a private limited company, whether a standalone company or the holding company of a corporate group which is being sold.

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When do I use this document?

  • for the legal due diligence for a company acquisition
  • as initial requests for the sellers and company to answer and provide supporting documents

What are the key features?

  • requests in tabular form, with the answers to be inserted in the table
  • requests covering 9 main subject areas, including:
    • corporate
    • contracts
    • litigation and compliance
    • assets
    • intellectual property
    • commercial property
    • employees
    • finance and insurance
    • taxation

What other documents are available?

For a form of due diligence checklist for a business purchase transaction, see

When do I use this document?

  • for an investment by multiple investors in an established business
  • as a combined subscription and shareholders agreement
  • for full-form warranties to reflect the trading history of the company and any subsidiaries
  • in conjunction with new Articles of Association – for Paper Rock’s accompanying Articles of Association, see Articles of Association – established business multiple investors
  • for investment in a private limited company incorporated in England and Wales

What are the key features?

  • full form investment/subscription and shareholders agreement (ISHA)
  • 31 clauses and 5 schedules over 46 pages
  • subscription: mechanism and terms for the subscription for shares by the investors
  • conditions: conditions to the closing of the investment (if applicable)
  • completion: completion of the investment, including the issue of shares to the investors and payment by the investors
  • warranties: warranties from the company and, if agreed, the founder shareholders
  • limitations on liability: limitations on potential liability under the warranties of the company and, if giving warranties, the founders
  • investor rights: exercisable by a majority of the investors
  • directors:
    • investor director: investors’ entitlement to appoint a director
    • other directors: the founder shareholder(s) rights to appoint a director
  • board proceedings: how proceedings of the board will be conducted
  • future share issues: pre-emption rights on the issue of new shares
  • share transfers: rules governing the transfer of shares, including:
    • pre-emption rights on share transfers
    • compulsory transfer events, including founder good and bad leaver clauses
    • tag-along and drag-along rights
  • reserved matters: matters requiring prior approval from the investors (acting by investor majority) and other shareholders
  • information rights: rights to information for the investors and other shareholders about the company and its finances
  • restrictive covenants: restrictions on the founders from competing with the company andsoliciting the company’s customers, suppliers and employees

What other documents are available?

For separate documents consisting of a Subscription Agreement and Shareholders Agreement for investment by multiple investors in an established business, see

For a combined Investment & Shareholders Agreement for an established business with a single investor, see

For combined Investment & Shareholders Agreements for a start up business, see

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Updated by a lawyer on 30/05/2025

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