McCulloch was the Convenor of the Equal Opportunities Committee and a member of Delegate Power and Legal Reform Committee McCulloch was a member of the Cross Party Group on Construction and Convener of the Cross Party Group on Skills and the Cross Party Group on Towns and Town Centres, (established in February 2011) Convenor of Arthritis and Musculoskeletal Condition.

The economy, education and training, youth unemployment, procurement and hospitality and tourism are listed among her political interests.

In 2007, she contested the East Kilbride West ward on South Lanarkshire Council as a Scottish Labour candidate.

[6] In 2012, Parliamentary Question submitted by McCulloch revealed that the number of NHS patients in Scotland waiting for over twelve hours in Accident and Emergency units had doubled.

She was placed sixth on the Labour Central Scotland regional list in the 2016 Scottish Parliament election and missed out on being re-elected.