PrimaryBid is a free Android app that connects public companies with UK residents who want to invest in shares to raise capital. The app is developed by PrimaryBid Limited, which is authorised and regulated by the Financial Conduct Authority (FRNThe app allows users to access a range of public company offers and apply for offers at the same price and time as institutional investors. Users can also pay no commission when applying for offers through PrimaryBid.

To use the app, users must first sign up for an account and confirm they are UK residents located in the UK. They must also add their broker details and apply for offers. If allocated shares, they will receive them in their broker account. However, it is important to note that investing in securities involves risk and all UK offers are not for distribution to US persons or persons physically located in the US.

The app also allows users to update their marketing permissions at any time through the Account section or by clicking on the unsubscribe link in marketing emails. It can take up to 7 working days for permission changes to take effect.