Summize
Category: AI in Legal
AI-powered contract intelligence system that embeds contract lifecycle management directly into everyday business tools like Word, Outlook, Teams, Slack, and Salesforce. Summize was founded in 2018. The company is led by Tom Dunlop. Based in Manchester, United Kingdom. Team size: 101-500. Total funding raised: $56.3M. Latest round: Series B. Key investors include Maven Capital Partners, YFM Equity Partners, Kennet Partners, Federated Hermes Private Equity.
- Founded
- 2018
- Headquarters
- Manchester, United Kingdom
- Team size
- 101-500
- Total funding
- $56.3M
Value proposition
Removes the adoption burden of traditional CLM by wrapping contract intelligence around tools businesses already use, delivering value in as little as four weeks.
Products and solutions
Summize CLM (Knowledge Layer, Contract Operations Layer, Agentic AI Layer), SIA (Summize Intelligent Agents) including Analytics Agent, Ask SIA, AI redlining in Microsoft Word, Review Pro, FromCounsel knowledge agents (UK commercial/corporate/employment), Summize Sign (embedded e-signature)
Unique value
First CLM to market with native Word, Outlook, Teams, Slack, Gmail, Salesforce and HubSpot integrations — contract intelligence embedded in existing workflows rather than a standalone platform.
Target customer
Legal, sales, finance, HR, and procurement teams at mid-market and enterprise companies
Industries served
Legal, Sales, Finance, HR, Procurement, Software, Sports, Manufacturing, Media, Retail, Telecommunications
Technology advantage
Deep embedded integrations (first-to-market with several: Teams, Slack, Outlook/Gmail native CLM) plus agentic AI layer (SIA) for automated contract workflows and AI redlining directly in Word.
How they differentiate
Focuses on embedding CLM directly into tools teams already use (no new platform/login to adopt) versus competitors' standalone CLM platforms; rapid implementation (avg. value in 4 weeks).
Main competitors
Ironclad, Juro, Icertis
Key partnerships
Microsoft (Word, Outlook, Teams), Salesforce, HubSpot, Slack, Gmail, FromCounsel (UK legal knowledge agents in SIA)
Notable customers
Revolut, Huel, Thought Machine, Gamma, Littlefish, NSight, Day Wireless, Edpuzzle, AMC Networks, SHL Medical, Clearscore, Sigma
Major milestones
2018: Founded in Manchester, 2020: First AI reviews embedded in Word, 2021: Became full CLM solution, 2022: Series A (£5M), 2023: First North American office (Boston), 2024: Ranked No.8 Deloitte UK Technology Fast 50, 2025: Launched agentic AI (SIA), opened San Diego office, Jan 2026: Raised $50M Series B, Jun 2026: Acquired InnoLaw Group key personnel and proprietary assets, Aug 2026: Reported 75% ARR growth (FY26); launched Summize Sign and FromCounsel partnership
Growth metrics
FY26 (ended Jun 30, 2026): 75% ARR growth vs FY25; 70% of business from US; ARR up 245% over 3 years; new customers +40% YoY; global headcount +65% with further ~30% hiring planned; prior: 100%+ YoY ARR for 5 consecutive years; 92% bookings / 97% ARR growth H2 2025.
Market positioning
Mid-market to enterprise AI-powered CLM challenger, positioned against larger CLM incumbents by emphasizing embedded UX and fast time-to-value.
Geographic focus
UK/EMEA origin, expanding aggressively into US (Boston, San Diego offices) for global CLM market competition.
About Tom Dunlop
Ex-General Counsel at technology companies; qualified lawyer with background in sport and commercial law before moving in-house. Co-founded Summize in 2018 after identifying the need for better contract summarization tools.
Latest news about Summize
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Official website: https://www.summize.com
