SimG Records is an independent record label, dedicated to the promotion of new musical theatre and new writers to the British audience. It was founded by London-based director/producer Simon Greiff in 2009. Its affiliate company, SimG Productions showcases new work on stage, in concerts, cabarets, plays and on CD. In 2014, SimG Records releases were nominated for seven Broadway World Album Awards.

The A–Z of Mrs P is a musical conceived by Neil Marcus and written by British playwright Diane Samuels and British composer Gwyneth Herbert. Described as "a musical fable inspired by the autobiographies of Phyllis Pearsall", it tells the story of Phyllis Pearsall's creation of the London A to Z street atlas. The A–Z of Mrs P was performed in workshop with actress Sophie Thompson in May 2011. It opened in London at Southwark Playhouse on 21 February 2014, starring Peep Show actress Isy Suttie and Frances Ruffelle.