She then spent 15 years in human resources at charities Help the Aged and Save the Children, and in the private sector at Baird Clothing Group.

[8] Following Derby County FC's decision to enter administration in September 2021 Solloway played a prominent role in the campaign to save the club from potential expulsion from the English Football League.

[13] Following news that Derby City Council had agreed to purchase the temporary structure and keep it in place until 2027, Solloway has campaigned for a permanent alternative instead.

[15] Between July 5, 2022 and the 21st of March 2023, Solloway successfully campaigned for Derby to be chosen as the location for the Department for Transport's Great British Railways Headquarters.

[17][18] In October 2023, rollingstock manufacturer Alstom announced that its Derby factory Litchurch Lane could close if orders were not found to fill a production gap at the site, putting over 1,000 jobs at risk of redundancy.

[21][22] On 14 February 2020, Solloway was appointed Parliamentary Under Secretary of State for Science, Research and Innovation at the Department for Business, Energy and Industrial Strategy during the first cabinet reshuffle of the second Johnson ministry.

[23] On 17 September 2021, Solloway was appointed a lord commissioner of the Treasury (Government whip) during the second cabinet reshuffle of the second Johnson ministry.