There are 4 titles associated with this firm.

Collier, Jane. An essay on the art of ingeniously tormenting. A new edition. London: Mundell and Son [Catherine Mundell and James Mundell], Michael Allen and West, Wilson, Spence and Mawman [High Ousegate], 1795.
Rowe, Elizabeth S. The poetical works of Mrs. Elizabeth Rowe. Including the History of Joseph; a poem, in ten books. To which is prefixed, An account of the life and writings of the author. London: Henry Delahoy Symonds [Paternoster Row], William Champante and Benjamin Whitrow, Levi Wayland, Michael Allen and West, Jeremiah Samuel Jordan, Thomas Wills, 1795.
Gunning, Susannah. Delves, a Welch tale. By Mrs. Gunning. London: 1796.