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Multi Family OfficePuts its own capital into companiesLAST VERIFIED Oct 2026 · 4 SOURCES

MUSST Investments

London private investment firm, FCA-authorised since 2006 (formerly Tapestry Asset Management LLP); its affiliate The MUSST Factory backs agentic AI and media companies.

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Identity

HEADQUARTERS
London, United Kingdom
FOUNDED
2006

Investment approach

SECTORS
Artificial IntelligenceMedia & Entertainment
STAGES
SeedSeries ASeries BGrowth
ROUTES
Companies (own capital)
INBOUND
Warm intros only

Overview

MUSST Investments LLP, at Great Titchfield Street in London, describes itself as a private investment firm and has been FCA-authorised since 2006 (FCA no. 461287). It was registered in 2006 as Tapestry Asset Management LLP and renamed in 2012; Saleem Anwar Siddiqi and Alexandra Galligan are its designated members. Its affiliate The MUSST Factory invests from seed to growth in agentic AI and independent media companies such as Sound Disposition, Alipur Films and Fractal Picture, and takes opportunities preferably by introduction.

Investment thesis

Concentrated, long-horizon investment in private companies in agentic AI and media, combining capital, advisory and hands-on development (stated by The MUSST Factory).

Holdings & investments (4)

INVESTMENT ARMS & VEHICLES

  • The MUSST Factory Ltd
    Affiliated private investment firm that invests in, advises and develops private companies in agentic AI and media (London and Bengaluru)

HOLDINGS & INVESTMENTS · MOST RECENT FIRST

People

  • Saleem Anwar Siddiqi
    Founder; LLP designated member since 2006 · source
  • Alexandra Galligan
    Partner and CEO; LLP designated member since 2013 · source

Frequently asked questions

MUSST Investments is a multi family office based in London, the United Kingdom, founded in 2006.

MUSST Investments invests its own capital into companies.

MUSST Investments invests at Seed, Series A, Series B and Growth stages in Artificial Intelligence and Media & Entertainment.

Key people at MUSST Investments include Saleem Anwar Siddiqi (Founder; LLP designated member since 2006) and Alexandra Galligan (Partner and CEO; LLP designated member since 2013).

MUSST Investments's holdings and investments include OneEvolve.AI, Sound Disposition, Alipur Films and Fractal Picture.

MUSST Investments states that it reviews opportunities through introductions only.