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Accounting and Corporate Regulatory Authority

Filing a conversion of shares

Learn how to notify ACRA if you convert your existing shares into a different class (type) of shares.

File conversion of shares (opens in new tab)
Last updated 24 June 2026

Note: Share transactions are complex and errors can be costly. If you are unsure about share matters or how to file the correct share transactions in Bizfile, seek professional advice from a corporate service provider (CSP).

If you make an error during filing and cannot resolve it by filing a Notice of Error, you may need to obtain an Order of Court to amend the error.

What is share conversion

Share conversion changes existing shares into a different class (type) of shares.

Reasons and types of conversions

What you need to know

Details

Common reasons to convert shares

Companies may convert shares if shareholders choose or need to hold a different class of shares.

For example, due to:

  • A sale or company reorganisation

  • Administrative, historical, or family reasons

Common conversions

Ordinary shares may be converted into:

  • One or more classes of alphabet shares (A, B, and C shares)

  • Certain types of preference or redeemable shares

Note Non-redeemable preference shares cannot be converted into redeemable preference shares.

Filing a conversion of shares

This guide explains how to file a conversion of shares to notify ACRA. If your company wants to convert its shares, you must file this notice.

Who may file

Company officers (such as the director or company secretary) can file directly.

You may also engage a CSP to file on your behalf.

What you need to do before you file

Before you file, check if your company's constitution allows share conversions.

If it does not, you need to:

  1. Pass a special resolution in a general meeting to approve any changes. A special resolution requires the formal approval of at least 75% of the shareholders.

  2. File a special resolution via the Notice of Resolution (opens in new tab) eService.

Fees and processing time

Filing a return of allotment

What you need to know

Details

Fees

Free

Approval time

Immediate

How to file

  1. Open the Update shares information (opens in new tab) eService and log in.

  2. Select File conversion of shares.

  3. Complete the required information.

  4. Submit your filing.

More details: Section 74A of the Companies Act (opens in new tab)