Lothians Labour MSPs Neil Findlay, Sarah Boyack and Kezia Dugdale have opened a new base in West Calder.
The office, at 4 Northfield Court, in Main Street, will be the constituency base for the MSPs and their staff.
Joe Thomas, former provost of West Lothian, carried out the official opening.
Mr Findlay said: “The office will be open full-time and we welcome anyone who thinks that we can help them in any way.”
The office is open Monday to Friday, 9am until 5pm, and the telephone number is 01506 873242.