TM Group provides online services for residential and commercial real estate transactions in England, Wales and Scotland.
Dye & Durham chief executive Matt Proud says the deal will help grow its business in Britain.
The company says the transaction will be financed with cash on hand.
The deal follows an acquisition by Dye & Durham of GlobalX Information Pty Ltd. in Australia for $159-million earlier this month.
GlobalX provides services and software, including online property and business regulatory information, to law firms, financial institutions and other clients.
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