There are 2 titles associated with this firm.

Stevens , G.B. (1818). Llewellen, or, the vale of phlinlimmon: a novel. in three volumes. Edinburgh: Macredie, Skelly, and Co. Thomas and George Underwood.
Chapone , H.M., & Gregory , J., & Pennington , S. (1821). Letters on the improvement of the mind. addressed to a lady. by mrs. chapone. a father's legacy to his daughters. by dr gregory. a mother's advice to her absent daughters. by lady pennington. with lives of the authors. Edinburgh: Thomas Tegg [111 Cheapside] William Oliphant. Waugh and Innes [1818-25] James Robertson [Parliament Square] William Whyte and Co. Fairbairn and Anderson. Macredie, Skelly, and Co. John Bell and John Bradfute [6 Parliament Close] John Robertson. Stirling & Slade.