United Kingdom · Investor

24 Haymarket

Last cheque observed Jul 2026; 45 cheques on record.

Deploying nowAngel network

SeedSeries ASeries BPeople Of ColorWoman LedFemale Founders

Deploying now
50%of best year3cheques in 12 months, 45 on record
Since the last cheque110days00hrs00min00sec
Median round$3.0MCheque size, as they say$100K – $5.0MRounds led0 of 45Sole investor10 roundsMostly inUnited Kingdom, 93%
Pitch 24 Haymarket

24 Haymarket highlights

  1. 01

    3 cheques in the last 12 months

  2. 02

    Mostly Venture and Series A: 78% of its rounds

  3. 03

    Sole investor in 10 rounds, median $875K

What they do

A micro growth equity firm investing in high-growth technology companies across the UKFrom their own website
Type
Angel network (from a list, unverified)
Cheque size
$100K – $5.0M as they say
Stages
SeedSeries ASeries BGrowth
Sectors
People Of ColorWoman LedFemale Founders
Based in
London, United Kingdom
Cold pitches
Not stated

The record

Every round we can evidence, newest first45 appearances

  1. 2026

    3 rounds

  2. Jul
    Dogtooth TechnologiesGrowth · GB · Firms' own news pages$19MWith 6 others
  3. Jan
    Dragonfly AIVenture · GB$6.9MWith 2 others
  4. Jan
    BirdsEyeViewVenture · GBUndisclosedWith 3 others
  5. 2025

    4 rounds

  6. Oct
    PrevisicoVenture · GBUndisclosedWith 3 others
  7. Aug
    WATRVenture · GBUndisclosedWith 2 others
  8. Jun
    FANZOVenture · GB$875KSole investor
  9. Mar
    myGworkVenture · GBUndisclosedWith 1 other
  10. 2024

    5 rounds

  11. Dec
    onHandVenture · GB$940KWith 2 others
  12. Nov
    pixlbioVenture · GB$136KWith 2 others
  13. Sept
    OptalitixVenture · GB$3.0MWith 1 other
  14. Jul
    AngokaVenture · GBUndisclosedWith 1 other
  15. Jan
    BlackbullionVenture · GBUndisclosedWith 1 other
  16. 2023

    6 rounds

  17. Dec
    CyberOwlVenture · GBUndisclosedWith 3 others
  18. Oct
    MogrifySeries A · GB$10MWith 2 others
  19. Jul
    Huq IndustriesSeries A · GB$5.2MWith 2 others
  20. May
    Interface PolymersSeries A · GB$8.0MSole investor
  21. Feb
    DrDoctorSeries B · GB$12MWith 1 other
  22. Jan
    FeebrisVenture · DEUndisclosedWith 3 others
  23. 2022

    4 rounds

  24. Jul
    HypetexGrant · GB$139KWith 1 other
  25. Jun
    Spoke LondonCrowdfunding · GB$6.1MWith 3 others
  26. Mar
    amicableSeed · GB$1.6MWith 1 other
  27. Jan
    SmartiaSeries A · BR$2.3MWith 2 others
  28. 2021

    4 rounds

  29. Oct
    Sphere BioVenture · GB$41MWith 4 others
  30. Jun
    CaliraSeed$3.5MWith 1 other
  31. Apr
    CyberHiveSeed$2.5MSole investor
  32. Apr
    Osprey Flight SolutionsSeed$3.1MSole investor
  33. 2020

    2 rounds

  34. Oct
    MembrVentureUndisclosedSole investor
  35. Jun
    FlussoSeries A$5.7MWith 2 others
  36. 2019

    6 rounds

  37. Oct
    SpokeSeries B · GB · EU-Startups$11MWith 3 others
  38. Oct
    MogrifySeries A · GB · FinSMEs$16MWith 2 others
  39. Sept
    SpirableSeries A$7.4MWith 2 others
  40. Jun
    CyberOwlGB · FinSMEs$1.3MWith 1 other
  41. Jun
    PrivitarSeries B · GB · FinSMEs$40MWith 4 others
  42. Jan
    Sphere FluidicsGB · FinSMEs$2.0MWith 3 others
  43. 2018

    6 rounds

  44. Dec
    Insignia TechnologiesVenture$107KWith 1 other
  45. Dec
    Deliciously EllaVenture$763KSole investor
  46. Nov
    Backpain HelpVenture$116KSole investor
  47. Jul
    PeptinnovateVenture$288KSole investor
  48. Jul
    LasulaVenture$1.1MWith 1 other
  49. Mar
    FluteOfficeVenture$147KSole investor

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

The team

Named by the firm itself, on a filing, its Form ADV or its company registration12 named

MSMarek Stefan GumiennydirectoriCompany registersince 2012
NANicholas Andrew Lindsay StuartdirectoriCompany registersince 2012
PMPaul Michael TselentisdirectoriCompany registersince 2015
SNSimon Neville Arden LeefedirectoriCompany registersince 2012
CECharles Edward Seager GreendirectoriCompany registersince 2012
DMDavid Mcneil MitchelldirectoriCompany registersince 2012
IJIan James GraydirectoriCompany registersince 2012
JLJean Louis Guy Lucien Charles Marie RihondirectoriCompany registersince 2012
LGLindsay George DibdendirectoriCompany registersince 2015
MKMichael Kane O'DonnelldirectoriCompany registersince 2012
PJPaul John DunkleydirectoriCompany registersince 2012
TRThomas Roger AttwooddirectoriCompany registersince 2012

We also hold 17 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

What the register says

From the firm's own filings with the UK company register, which it must file accurately by law

Companies House
07936588, since 2012

Who they invest alongside

The investors most often in the same rounds as 24 Haymarket. A count of rooms they were both in, not a relationship either has claimed.

Innovate UKVC firm5rounds togetherParkwalkVC firm5rounds togetherACF InvestorsVC firm3rounds togetherBusiness Growth FundPrivate equity3rounds togetherQVenturesFamily office3rounds togetherForesight GroupPrivate equity2rounds togetherMassChallengeAccelerator2rounds togetherMercia Asset ManagementVC firm2rounds togetherSalesforce VenturesCorporate VC2rounds togetherSeraphim SpaceVC firm2rounds together

Recently backed

The latest companies 24 Haymarket put money into.

Dragonfly AI$6.9M · Jan 2026BirdsEyeViewJan 2026PrevisicoOct 2025WATRAug 2025FANZO$875K · Jun 2025pixlbio$136K · Nov 2024

Quick answers about 24 Haymarket

What does 24 Haymarket invest in?

24 Haymarket invests most often at Venture and Series A (78% of the rounds on record), in sectors such as People Of Color, Woman Led and Female Founders.

How active is 24 Haymarket?

45 investments on record, 3 of them in the last 12 months. The most recent was in Jul 2026.

What has 24 Haymarket invested in recently?

Its most recent investments on record: Dogtooth Technologies (Growth, Jul 2026), Dragonfly AI (Venture, Jan 2026) and BirdsEyeView (Venture, Jan 2026).

How big are 24 Haymarket's cheques?

The median round it joins is $3.0M. It says it writes cheques of $100K to $5.0M.

Does 24 Haymarket lead rounds?

Rarely, if at all: none of its 45 investments on record names it as the lead.

Where does 24 Haymarket invest?

Most of the companies it backs are in the United Kingdom (93%).

Is 24 Haymarket investing now?

Yes: it is actively investing, with 3 investments in the last 12 months.

Who does 24 Haymarket invest alongside?

Most often Innovate UK (5 rounds together), Parkwalk (5 rounds together) and ACF Investors (3 rounds together).

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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it