Rotary has expanded quickly in the UK since being bought by Australian building services giant, the Hastie Group, for more than £100m two years ago.

Since then the Australian owners have relentlessly sought to build a network of specialist contracting outlet across the UK.

Rotary now boasts bases in Yorkshire, the north west, the north east and London, as well as Scotland and Northern Ireland.

During the next few months, Rotary Scotland will be moving to bigger premises.

Rotary North West and Rotary Head Office will also be moving to a new office as they have outgrown their existing base.

The firm has bagged several significant M&E projects such as Cambridge Laboratories, The Co-operative Group’s new headquarters in Manchester, Lancaster University Energy Centre and a new testing facility for F G Wilson.

Rotary now hopes to build on the CA Sothers’ reputation to secure more work in the Midlands.

CA Sothers has been in the same family since it was set up in 1919 and boasts several public and commercial clients.

Sothers managing director Robert Hinton is the third generation of his family to run the business, and will remain with the company along with the rest of the current management team.

Rob Kirkham, business development director at Rotary, said: “Sothers will bring valuable local and technical knowledge as we continue to expand our business across the UK, and work towards our vision to be the provider of choice for building services to the most advanced industry standards.”

Hastie has reported annual results in the year to June that showed  sales in Ireland and the UK reached £172m.