Venture Capital

Balderton Capital

Balderton Capital is a London-headquartered venture capital firm focused exclusively on backing European-founded technology companies. Founded in 2000 as Benchmark Capital Europe and fully independent since 2007, Balderton is one of Europe's largest and most established venture firms, with over $7 billion in assets under management across dedicated early-stage and growth funds. The firm invests from Seed through Series B and follows on into growth stages, writing checks across sectors including fintech, artificial intelligence, B2B SaaS, developer tools and infrastructure, digital health, gaming, marketplaces and climate. Balderton is known for a founder-centric model, running a dedicated founder wellbeing and performance platform and an executive/talent network to support portfolio companies. Notable investments over the firm's history include Revolut, GoCardless, Depop, Darktrace, Contentful, Dream Games, Wayve, Aircall, Citymapper, Talend, MySQL, Recorded Future, Sophia Genetics and The Hut Group (THG).

193 portfolio companies 193 publish APIs here 14 properties
Venture CapitalSeedSeries ASeries BGrowthFintechArtificial IntelligenceDeveloper ToolsInfrastructureDigital HealthEurope
Portfolio Strength across 68 profiled portfolio companies on the network
10 top-rated API companies 1 exemplar · 9 strong
30 agent-ready companies 5 agent-native · 25 agent-ready
Average quality of the book:
Composite thin 40.0
Agent-Readiness agent-aware 29.4

Firms are ranked by cumulative portfolio strength — how many highly-rated API companies they've backed, weighted by tier across composite quality and agent-readiness. The averages below are a secondary read on the typical company in the book.

Balderton Capital has 193 portfolio companies tracked on the APIs.io network, of which 68 (35%) publish APIs indexed here. The remaining 125 are tracked as profiles without a published API on the network.

Its highest-rated API providers on the network are checklyhq, complyadvantage, revolut, tibber, flywire.

Portfolio on the Network

Portfolio companies that publish APIs indexed on APIs.io, grouped by their API Evangelist rating. Exemplar and Strong are expanded by default.

Exemplar 1 Complete, well-documented, and agent-ready
Strong 9 Solid coverage with minor gaps
Developing 31 Usable, with meaningful gaps to close
Thin 21 Limited public surface area
Emerging 4 Early or largely undocumented
Minimal 2 Almost no public developer surface

Properties

Portfolio

Where the firm publishes its investments

Team

Partners and investing staff

Content

Blog, podcast, newsletter, and research

Firm

The firm itself

Cohort brief

Auto-generated

The 162 portfolio companies with APIs in the catalog, backed by Balderton Capital, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
162
of 193 on the roster
Mean Kin Score
23.3
-1.1 vs catalog 24.4
Mean Agent Readiness
13.3
+0.6 vs catalog 12.7
Spread
1.2–71.1
median 16.9 · σ 18
How the 162 split by band
Exemplar 1Strong 9Developing 31Thin 24Emerging 37Minimal 60
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Access Clarity 26.6 27.2 -0.6 162
Operational Transparency 13.5 14.4 -0.9 162
Contract Governance 5.5 6.6 -1.1 162
Contract Quality 19.2 20.4 -1.2 162
Discoverability 60.1 61.5 -1.4 162
Developer Ergonomics 22.2 23.8 -1.6 162

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes
ArtifactThis cohortCatalogDifference
MCP server (any) 13% 11% +2
MCP server (first-party) 17% 13% +4
Agent Skills 0% 0% 0
OAuth scopes 15% 12% +3
Security 98% 96% +2
Arazzo workflows 2% 2% 0
Governance rules 8% 13% -5

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score
  1. 1 Checkly 71.1
  2. 2 ComplyAdvantage 63.4
  3. 3 Revolut 62.3
  4. 4 Tibber 60.9
  5. 5 Flywire 60.1
  6. 6 Dash0 59.9
  7. 7 Sketchfab 56.9
  8. 8 Demodesk 56.6
  9. 9 Funnel 55.8
  10. 10 depop 55.6
Top by Agent Readiness
  1. 1 Contentful 60.8
  2. 2 Checkly 60
  3. 3 Dash0 57.7
  4. 4 Demodesk 57.7
  5. 5 Prior Labs 53.8
  6. 6 ezoic 53.4
  7. 7 Funnel 50.9
  8. 8 GoCardless 50.3
  9. 9 Revolut 49.2
  10. 10 Escape 48.8
This roster declares 193 members; 181 resolve to a provider in the catalog and 162 carry a score (90%). The figures above describe the scored members only.Generated from the catalog build of 22 September 2026, across 27674 providers, using the same computation served by the APIs.io cohort API. Briefs are published for rosters of 5 or more scored providers; below that a distribution is not meaningful.

Source (apis.yml)

apis.yml Raw ↑
aid: balderton-capital
name: Balderton Capital
description: >-
  Balderton Capital is a London-headquartered venture capital firm focused
  exclusively on backing European-founded technology companies. Founded in 2000
  as Benchmark Capital Europe and fully independent since 2007, Balderton is one
  of Europe's largest and most established venture firms, with over $7 billion in
  assets under management across dedicated early-stage and growth funds. The firm
  invests from Seed through Series B and follows on into growth stages, writing
  checks across sectors including fintech, artificial intelligence, B2B SaaS,
  developer tools and infrastructure, digital health, gaming, marketplaces and
  climate. Balderton is known for a founder-centric model, running a dedicated
  founder wellbeing and performance platform and an executive/talent network to
  support portfolio companies. Notable investments over the firm's history include
  Revolut, GoCardless, Depop, Darktrace, Contentful, Dream Games, Wayve, Aircall,
  Citymapper, Talend, MySQL, Recorded Future, Sophia Genetics and The Hut Group
  (THG).
x-type: venture-capital
x-category: Venture Capital
tags:
  - Venture Capital
  - Seed
  - Series A
  - Series B
  - Growth
  - Fintech
  - Artificial Intelligence
  - Developer Tools
  - Infrastructure
  - Digital Health
  - Europe
deliveryModel:
  model: unknown
  open_source: false
  commercial: false
  callable_host: false
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - none
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://www.balderton.com/favicon.ico
created: '2026-07-17'
modified: '2026-07-17'
specificationVersion: '0.23'
apis: []
common:
  - type: Website
    url: https://www.balderton.com/
  - type: Portfolio
    url: https://www.balderton.com/companies/
  - type: Portfolio
    url: portfolio/balderton-capital-portfolio.yml
  - type: Team
    url: https://www.balderton.com/team/
  - type: Team
    url: team/balderton-capital-team.yml
  - type: InvestmentThesis
    url: https://www.balderton.com/beliefs-values/
  - type: Blog
    url: https://www.balderton.com/resources/
  - type: News
    url: https://www.balderton.com/news/
  - type: Jobs
    url: https://careers.balderton.com/jobs
  - type: Contact
    url: https://www.balderton.com/contact/
  - type: LinkedIn
    url: https://www.linkedin.com/company/balderton-capital_2/
  - type: Twitter
    url: https://twitter.com/balderton
  - type: Blog
    url: https://medium.com/balderton
  - type: Crunchbase
    url: https://www.crunchbase.com/organization/balderton-capital
  - type: Features
    data:
      - 'Stage: Seed, Series A, Series B, Growth'
      - 'Sectors: fintech, AI, B2B SaaS, developer tools and infrastructure, digital health, gaming, marketplaces, climate'
      - 'Geography: Europe (European-founded companies)'
      - 'AUM: over $7 billion (self-reported / press)'
      - 'Founded: 2000 (as Benchmark Capital Europe; independent 2007)'
      - 'HQ: London, United Kingdom'
    sources:
      - https://www.balderton.com/
      - https://en.wikipedia.org/wiki/Balderton_Capital
    updated: '2026-07-17'
maintainers:
  - FN: Kin Lane
    url: https://apievangelist.com
  - FN: APIs.json
    url: http://apisjson.org
  - FN: Balderton Capital
    url: https://www.balderton.com/

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