Assael Architecture has promoted Chris Gaylord to projects director, Ben Jones to associate and David Hughes to senior architect.
Steve Davis has been made a partner of Bristol-based Narracott Oxford Mills Architects.
Edinburgh practice Campbell and Arnott has appointed Catriona Peden as an associate.
Oscar Faber has promoted Richard Mann and Jeremy Grant to associate directors based in its Edinburgh office.
Babtie Group has appointed three new technical directors.
Stephen Johnson joins the Manchester office, Peter Stewart joins the Glasgow headquarters and Graham Smith joins Babtie's Exeter office.The company has also promoted John Dixon to technical director at the Wakefield office and John Service becomes technical director at Babtie's Aberdeen office.
CB Hillier Parker has promoted Philip Cropper to senior executive director, William Allen, David Jones, Pat Vassallo, Richard Walden to senior directors, and the following people to associate directors: Martin Cassells, Keith Clarkson, Francis Fitzpatrick, Shelley Frost, Colin Graham, Rowen Grandison, Abigail Millar, Matthew Peake, James Routledge, Andrew West, Jerry White and Robin Wickham.