Filing a conversion of shares

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

Last updated 29 January 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

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.