{
  "slug": "horizon3",
  "name": "Horizon3",
  "url": "https://horizon3.ai",
  "category": "general-agents",
  "tier": "venture",
  "one_liner": "Security company behind NodeZero, an autonomous pentesting agent that attacks an organisation's own production systems to find exploitable attack paths.",
  "what_the_agent_does": "Per Horizon3's Oct 20 2026 release, NodeZero 'autonomously tests defenses at machine speed, safely uncovers and prioritizes exploitable attack paths, instantly verifies fixes, and drives a continuous hack, fix, verify loop' across internal, external, cloud, Kubernetes and web-app targets in production; the company has added 'agentic remediation workflows via blue-team agents'.",
  "business_model": "Self-service subscription licensing for continuous pentesting, sold largely through a channel-first model (about 80% of customers moved from annual to monthly tests, 40% to weekly, per the release)",
  "metrics": [
    {
      "label": "ARR",
      "value_usd": 100000000,
      "value_text": "surpassed $100 million in annual recurring revenue (ARR) underpinned by 95% gross dollar retention (GDR) and 125% net dollar retention (NDR); ARR grew more than 120% year over year; about five years after crossing $1 million ARR in September 2021",
      "as_of": "2026-10-20",
      "source_url": "https://www.businesswire.com/news/home/20261020386063/en/Horizon3-Surpasses-%24100-Million-ARR-Marking-a-Key-Milestone-in-the-Shift-to-Continuous-Production-Safe-Autonomous-Security",
      "source_name": "Horizon3 press release, Business Wire (Oct 20 2026)",
      "confidence": "self-reported",
      "note": "Company press-release figure, not audited. Floor value ('surpassed $100 million') recorded as $100M. Primary release cited per CEO ruling Nov 2 2026 (Business Wire URL taken from search listings, page not fetched; businesswire.com returned 403 and horizon3.ai terms bar automated access). Same release on the company site: https://horizon3.ai/news/press-release/horizon3-surpasses-100-million-arr/. Figure was first read on a syndicated FinancialContent copy on Nov 1; that URL is no longer cited. Company-wide ARR, includes deception/CTEM modules alongside NodeZero pentesting.",
      "age_days": 17,
      "older_figure": false,
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      "superseded": false,
      "link_check": null,
      "verification": null,
      "source_type": "self-reported",
      "confidence_label": "self-reported"
    }
  ],
  "team_size_text": "Not disclosed in the Oct 20 2026 release; 7,000+ customer organisations and 350,000+ production tests (company)",
  "lessons": [
    "Started with the hardest autonomous task in its domain (pentesting internal production systems), then widened to external, cloud, Kubernetes and web-app attack surfaces and to blue-team remediation agents.",
    "A channel-first, self-service subscription let customers run the agent far more often (monthly or weekly instead of yearly), which the company credits for 120%+ ARR growth with 125% NDR."
  ],
  "tags": [
    "security",
    "pentesting",
    "enterprise",
    "channel",
    "venture",
    "agentic"
  ],
  "last_verified": "2026-11-01",
  "agentic_origin": "agent-native",
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  "annualized_revenue_usd": 100000000,
  "verification_label": "reported, not payment-verified",
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  "headline_verification": null,
  "confidence_label": "self-reported",
  "source_type": "self-reported",
  "age_days": 17,
  "tier_label": "Venture-backed",
  "tier_note": "Has raised outside venture funding (e.g. Y Combinator or VC rounds). Says nothing about revenue size.",
  "independent": true,
  "ownership": null,
  "ownership_watch": null,
  "last_ownership_check": "2026-11-01",
  "revenue_disclosed": true,
  "badge_url": "https://mrrledger.com/badge/horizon3.svg",
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  "growth_series": [],
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      "category": "general-agents",
      "tier": "venture",
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      "one_liner": "All-in-one AI workspace where agents plan and execute finished work products.",
      "annualized_revenue_usd": 250000000,
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      "url_profile": "https://mrrledger.com/b/genspark/",
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      "score": 8,
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        "same category",
        "same tier",
        "shared: enterprise",
        "similar scale"
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      "category": "general-agents",
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        "same category",
        "same tier",
        "shared: enterprise",
        "similar scale"
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    },
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      "name": "Manus",
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      "category_label": "General agents",
      "tier_label": "Venture-backed",
      "one_liner": "General AI agent for end-to-end task delegation beyond Q&A.",
      "annualized_revenue_usd": 500000000,
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        "same category",
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        "nearby scale"
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      "category": "general-agents",
      "tier": "venture",
      "category_label": "General agents",
      "tier_label": "Venture-backed",
      "one_liner": "General AI agent for small businesses that builds sites, apps and decks, then runs ads, outreach and social to grow them.",
      "annualized_revenue_usd": 2000000,
      "verification_label": "reported, not payment-verified",
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      "compare_url": "https://mrrledger.com/compare/?a=horizon3&b=runable",
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      "why": [
        "same category",
        "same tier",
        "shared: venture"
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    "checkout": [],
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      "client_reference_id": "horizon3"
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    "fulfillment": "We'll email you within 24 hours to run a read-only revenue check (your TrustMRR page, or a read-only Stripe key you control) on the business you claimed, then re-check it every month. The dated Verified badge goes live once the first check passes.",
    "note": "Paying never changes figures, rankings, sorting or inclusion. The Verified badge only reflects a passed revenue check.",
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