Brian Eno:
Rick's long term collaboration with Brian Eno saw a release on Warp records in July 2011 with the album Drums Between The Bells and a follow-up EP Panic of Looking.
http://brian-eno.net/drums-between-the-bells/

Diode + Rick Holland featuring:
This collaborative project sees Rick writing with Old Man Diode and guest artists including Beth Rowley, Chris James (Stateless), Onallee (Roni Size/Reprazent) and special vocal talent Andrew Plummer. New releases scheduled for 2012 following the massive first single Open Blue.
http://wwmusic.co.uk/tagged/releases

Sam Blunden:
Rick and designer Sam Blunden worked together to produce his first book Story the Flowers and on other design projects presenting Rick's poems in hand designed typography linked to the East of London, which can be viewed here (and ordered as posters through contact with Rick).
http://www.samblunden.com/main.html (Poetry Prints)

Smile for London/Jessika Strataki:
This project paired Rick with digital artist Jessika Strataki to produce a moving image poem to make Londoners smile during rush hour on the Underground, in January 2012.
http://www.smileforlondon.com/

Tom Dale Company:
Rick has worked with choreographer Tom Dale and his musical collaborators in producing the dance pieces Roam and Refugees of the Septic Heart.

The Heritage Orchestra:
Rick co-wrote vocal tracks 'Sky Breaks' and 'Tell me Stories' on The Heritage Orchestra's debut album The Heritage Orchestra released by Brownswood in 2006.

Hannah Kendall:
Up and coming classical composer Hannah Kendall set Rick's poem within a new composition, Fundamental premiered at St.Bride's, Fleet Street for the John Armitage Memorial event, 2010. This fantastic organisation supports new music and needs public support to continue running.
http://www.jamconcert.org/