Callum Stewart is a Principal at GP Bullhound, whose known portfolio counts 10 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Principal at GP Bullhound, whose known portfolio counts 10 companies
- LeoLabs
- Mentimeter
- Q-CTRL
- EcoVadis
- Sesamy
- CoverManager
- Playtomic
- RavenPack
- Connex One
- Sesame HR
Investor Profile
Founders in the listed sectors Commerce, Consumer, FinTech and Hardware, and focus areas Analytics, Data, Data Analytics and Database fall inside that listing.
Stage-wise, the deals at GP Bullhound cluster around Growth, Late-Stage and Seed rounds.
The firm portfolio and the focus above give founders context on whether Callum Stewart matches their raise.
Colleagues at GP Bullhound
Graeme Bayley
Investor
Tonbridge, United Kingdom
Markus Krieger
Investment Banking
San Francisco, United States
Nick Wright
Advisor
Leicester, United Kingdom
Guillaume Bonneton
Investor
Paris, France
Alon Kuperman
Partner
United Kingdom
Shahril Hamdan
Director
Kuala Lumpur, Malaysia
Frequently asked questions
Who is Callum Stewart?
Callum Stewart is a venture capital investor and venture debt investor based in London, England, United Kingdom, listed as Principal at GP Bullhound. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Callum Stewart personally.
What does Callum Stewart invest in?
Listed sectors include Commerce, Consumer, FinTech and Hardware; listed focus areas include Analytics, Data, Data Analytics and Database. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Callum Stewart invest at?
GP Bullhound appears in Growth, Late-Stage and Seed rounds across its known deals, and Callum Stewart is listed there as Principal. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Callum Stewart listed at?
Callum Stewart is listed as Principal at GP Bullhound. 6 other people in the database share a firm with Callum Stewart.
How do I contact Callum Stewart?
A LinkedIn page is on file for Callum Stewart. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal