To compensate for the loss of service, the Great Western provided an additional four trains daily towards Bristol and six toward Avonmouth. In 1923, grouping resulted in the Midland Railway being absorbed into the London, Midland and Scottish Railway (LMS), and the line continued in a joint arrangement between the Great Western and the LMS. At this point Shirehampton station employed a station master, three clerks and four porters; throughout the 1930s there were an average of ten staff.
To offset the service shortfall, the Great Western increased its daily departures to Bristol by four trains and to Avonmouth by six. In 1923, grouping caused the Midland Railway to merge with the London, Midland and Scottish Railway (LMS), and the line continued under joint management between the Great Western and LMS. At this juncture, Shirehampton station had a station master, three clerks, and four porters; during the 1930s, there were usually ten staff.