More than 20 years after it was established in WA, Burswood-based town planning and project management firm, Koltasz Smith, has been bought by UK-based environmental consultancy RPS Group plc.

More than 20 years after it was established in WA, Burswood-based town planning and project management firm, Koltasz Smith, has been bought by UK-based environmental consultancy RPS Group plc.