Venture Capital

Northzone

Northzone is a multi-stage venture capital firm founded in 1996 in Oslo and now headquartered in London, with additional offices in New York, Stockholm, Berlin and Amsterdam. The firm partners with founders across the United States and Europe from Seed through Growth, positioning itself as a single long-term partner from the first check all the way to IPO, with check sizes ranging from roughly $1M to $50M. Over nearly three decades Northzone has raised 13 funds, backed more than 250 companies, produced 18 unicorns and 14 IPOs, and reports $3.1bn+ in assets under management; its most recent flagship vehicle raised approximately €1bn. Northzone invests broadly across AI, enterprise software, fintech, consumer, healthcare, climate and energy, and infrastructure and developer tools, and is known for early backing of category creators including Spotify, Klarna, Trustpilot, Kahoot!, Personio, TrueLayer, Avito and iZettle. The firm supports portfolio companies through a Platform team and a network of 500+ operators drawn from companies such as OpenAI, Anthropic and Stripe.

139 portfolio companies 139 publish APIs here 13 properties
Venture CapitalSeedSeries AGrowth EquityArtificial IntelligenceEnterpriseFintechHealthcareClimateDeveloper ToolsEuropeLondon
Portfolio Strength across 49 profiled portfolio companies on the network
9 top-rated API companies 1 exemplar · 8 strong
27 agent-ready companies 7 agent-native · 20 agent-ready
Average quality of the book:
Composite thin 40.2
Agent-Readiness agent-aware 28.4

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.

Northzone has 139 portfolio companies tracked on the APIs.io network, of which 49 (35%) publish APIs indexed here. The remaining 90 are tracked as profiles without a published API on the network.

Its highest-rated API providers on the network are Klarna, Kota, Solvimon, Openzeppelin, Katana.

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 8 Solid coverage with minor gaps
Developing 23 Usable, with meaningful gaps to close
Thin 8 Limited public surface area
Emerging 8 Early or largely undocumented
Minimal 1 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 131 portfolio companies with APIs in the catalog, backed by Northzone, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
131
of 139 on the roster
Mean Kin Score
22.8
-1.6 vs catalog 24.4
Mean Agent Readiness
11.5
-1.2 vs catalog 12.7
Spread
1.5–76.6
median 15 · σ 18.2
How the 131 split by band
Exemplar 1Strong 8Developing 24Thin 11Emerging 40Minimal 47
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Access Clarity 27.3 27.2 +0.1 131
Discoverability 60.8 61.5 -0.7 131
Developer Ergonomics 22.7 23.8 -1.1 131
Contract Governance 4.8 6.6 -1.8 131
Operational Transparency 12.6 14.4 -1.8 131
Contract Quality 16.4 20.4 -4 131

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) 9% 11% -2
MCP server (first-party) 11% 13% -2
Agent Skills 0% 0% 0
OAuth scopes 12% 12% 0
Security 100% 96% +4
Arazzo workflows 2% 2% 0
Governance rules 6% 13% -7

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 Klarna 76.6
  2. 2 Kota 64.4
  3. 3 Solvimon 63.2
  4. 4 OpenZeppelin 60.3
  5. 5 Katana 59.6
  6. 6 Jasper 56.9
  7. 7 Xbow 56.6
  8. 8 Sourcepoint 55.8
  9. 9 Duvo Ai 55.4
  10. 10 Safello 53.6
Top by Agent Readiness
  1. 1 Duvo Ai 63.1
  2. 2 GC AI 58.8
  3. 3 Jasper 56.7
  4. 4 Chord 53.6
  5. 5 Solvimon 49.8
  6. 6 Wallapop 47.9
  7. 7 Klarna 46.5
  8. 8 Lorum 44.8
  9. 9 Avito 42.6
  10. 10 Holidu 40.8
This roster declares 139 members; 136 resolve to a provider in the catalog and 131 carry a score (96%). 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: northzone
name: Northzone
description: >-
  Northzone is a multi-stage venture capital firm founded in 1996 in Oslo and now headquartered in
  London, with additional offices in New York, Stockholm, Berlin and Amsterdam. The firm partners with
  founders across the United States and Europe from Seed through Growth, positioning itself as a single
  long-term partner from the first check all the way to IPO, with check sizes ranging from roughly $1M
  to $50M. Over nearly three decades Northzone has raised 13 funds, backed more than 250 companies,
  produced 18 unicorns and 14 IPOs, and reports $3.1bn+ in assets under management; its most recent
  flagship vehicle raised approximately €1bn. Northzone invests broadly across AI, enterprise software,
  fintech, consumer, healthcare, climate and energy, and infrastructure and developer tools, and is
  known for early backing of category creators including Spotify, Klarna, Trustpilot, Kahoot!, Personio,
  TrueLayer, Avito and iZettle. The firm supports portfolio companies through a Platform team and a
  network of 500+ operators drawn from companies such as OpenAI, Anthropic and Stripe.
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://northzone.com/favicon.ico
x-type: venture-capital
x-category: Venture Capital
created: '2026-07-17'
modified: '2026-07-17'
specificationVersion: '0.23'
tags:
  - Venture Capital
  - Seed
  - Series A
  - Growth Equity
  - Artificial Intelligence
  - Enterprise
  - Fintech
  - Healthcare
  - Climate
  - Developer Tools
  - Europe
  - London
apis: []
common:
  - type: Website
    url: https://northzone.com/
  - type: Portfolio
    url: https://northzone.com/portfolio/
  - type: Portfolio
    url: portfolio/northzone-portfolio.yml
  - type: Team
    url: https://northzone.com/team/
  - type: Team
    url: team/northzone-team.yml
  - type: InvestmentThesis
    url: https://northzone.com/our-story/
  - type: InvestmentThesis
    url: https://northzone.com/platform
  - type: Blog
    url: https://northzone.com/insights
  - type: News
    url: https://northzone.com/insights
  - type: Jobs
    url: https://portfolio.northzone.com/companies
  - type: Crunchbase
    url: https://www.crunchbase.com/organization/northzone
  - type: LinkedIn
    url: https://www.linkedin.com/company/northzone/
  - type: Twitter
    url: https://x.com/northzoneVC
  - type: Features
    data:
      - "Stage: Seed to Growth (multi-stage, first check to IPO)"
      - "Typical check: ~$1M-$50M"
      - "Sectors: AI, enterprise software, fintech, consumer, healthcare, climate & energy, infrastructure & developer tools"
      - "Geography: Europe and the United States"
      - "AUM: $3.1bn+ (self-reported); latest flagship fund ~EUR 1bn"
      - "Track record: 250+ companies, 18 unicorns, 14 IPOs, 13 funds"
      - "Founded: 1996 (Oslo)"
      - "HQ: London, UK (offices in New York, Stockholm, Berlin, Amsterdam)"
    sources:
      - https://northzone.com/our-story/
      - https://northzone.com/portfolio/
      - https://northzone.com/
    updated: '2026-07-17'
maintainers:
  - FN: Kin Lane
    email: info@apievangelist.com
    url: https://apievangelist.com
  - FN: APIs.json
    url: http://apisjson.org
  - FN: Northzone
    url: https://northzone.com/

Work with this as data

Every firm here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for venture capital

7 MCP tools reach this
  • find_vcsBrowse and filter every firm in the catalog.
  • vc_portfolioThe firm's portfolio, each company network-matched and rated.
  • find_investorsThe reverse edge — which firms back a given provider.
  • cohort_statsPRO — the portfolio as a scored cohort.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This firm
curl "https://apis.io/api/v1/vcs/northzone"
All venture capital
curl "https://apis.io/api/v1/vcs?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.