Shares in Brierty Ltd have debuted at a 75 per cent premium to its $1 issue price as it revealed it was in exclusive negotiations to buy WA civil contractor Wormall Pty Ltd for between $55 million and $60 million.

Shares in Brierty Ltd have debuted at a 75 per cent premium to its $1 issue price as it revealed it was in exclusive negotiations to buy WA civil contractor Wormall Pty Ltd for between $55 million and $60 million.