Commercial releases where Tom appears as a credited "featured artist:" 

Ernesto : In The Name Of Love (single/compilation track)

Paolo De Gregorio : Los Caminos Del Cajón (documentary)

The Old Dance School : EP

Chris While : Rosella Red 

The Old Dance School : Based On A True Story

Kate Doubleday : Belonging

Chris While and Julie Matthews : Together Alone

The Old Dance School : Forecast

Jack McNeill and Charlie Heys : The Northern Road

Jonathan Day : Carved In Bone

Darren Black : Thinkers And Fools

The Urban Folk Quartet : The Urban Folk Quartet

The Conservatoire Folk Ensemble : Sardines

The Urban Folk Quartet : Live

Jack McNeill and Charlie Heys : Two Fine Days

The Old Dance School : Chasing The Light

The TG Collective : Release The Penguins

The Stamp Collective 

The Urban Folk Quartet : Off Beaten Tracks

Katriona Gilmore and Jamie Roberts : The Innocent Left

Philip Pullman's "I Am A Rat" Stage Production : Soundtrack

The Urban Folk Quartet : UFQ Live II

The Conservatoire Folk Ensemble : Live / The Official Bootleg 

The Urban Folk Quartet : The Escape

Various : The Mark Radcliffe Sessions 2015

Jonathan Silk : Fragment

The Urban Folk Quartet : Live III

Dan Walsh : Verging On The Perpendicular

The Conservatoire Folk Ensemble : Painted
 
Chris While and Julie Matthews : The Best of, Vol. 2
 
Chris Bowden : Unlikely Being