MVA and David Simmonds Consultancy have won a contract with the City of Edinburgh Council to model different transport and land use scenarios.
TPS Consult Scotland, part of Carillion, is to provide design and technical services for the Scottish Prison Service for an initial three years rising to five.
The deal covers all new build and refurbishment construction valued up to £5M.
Thales Translink has introduced rapid response motorbikes to carry engineers and spares to incidents on London's Underground as part of its contract to replace and manage radio and transmission services.
High-Point Rendel has won a contract to design improvements to 330km of the M06 highway between the Ukranian capital Kiev and the Hungarian and Slovakian borders.
Costain has a £2.4M contract to repair and improve 3.1km of river bank along the River Tone in Somerset.