Spellbook
Founded 2018 · 235 employees on LinkedIn · 14 known investors
Spellbook develops AI-powered software for lawyers that integrates directly into Microsoft Word to automate contract drafting and review. The product serves law firms globally, enabling lawyers to work more efficiently on legal documents.
Also known as Rally · Spellbook Legal
Founders & leadership
Spellbook was founded in 2018 by Scott Stevenson, Daniel Di Maria, and Matt Mayers.

Investors · 14
Also in the syndicate · 2
Funding
SEC filings, press & company announcements$50M disclosed across 1 of 5 rounds · 2023–2025
- $50MSeries BOct 2025 · 4 sources
Khosla Ventures (lead), Bling Capital, Inovia Capital, Jean-Michel Lemieux, Moxxie Ventures, Path Ventures, Threshold Ventures
Source ↗ - Undisclosed amountSeries AJan 2024Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Valuation · disclosed
Disclosed eventsSource: SEC prospectus filings, and round valuations the company or its investors disclosed — follow each entry's link for the claim.
Company profile
researched Aug 2026Spellbook develops artificial-intelligence software for transactional legal work, delivered primarily as a Microsoft Word add-in and also available for Google Docs. The core suite comprises Review (AI redlining and risk flagging using Word's native Track Changes, including detection of missing or non-standard clauses and playbook-based deviation checking), Draft (clause and full-agreement generation from scratch or from firm precedents, marketed as Smart Clause Drafting), Ask (question-answering about a document with citations to specific provisions), Compare to Market (benchmarking of contract terms against comparable agreements by sector, jurisdiction and deal type, previously called Benchmarks) and Associate, a multi-document AI agent for workflows such as data-room reviews, financing documents, disclosure schedules and employment packages.
In June 2026 the company released Autonomous Contract Management (ACM) to early-access customers, which handles contract intake from sources such as email, Slack and Salesforce, reviews incoming turns against customer standards and playbooks, stores signed agreements, flags renewals and surfaces risks; a Radar feature intended to flag regulatory changes affecting clauses was described as planned for Q4 2026. Other announced product work includes an AI Document Editor and an iManage integration. Spellbook is positioned for commercial and transactional practice areas including sales, procurement, real estate, intellectual property, HR and M&A, rather than case-law research, and states it does not offer general reminders or alerts. The product is built on third-party large language models, with the company citing OpenAI's GPT-5 and Opus, and it lists SOC 2 Type II, HIPAA, GDPR, CCPA, PIPEDA and EU AI Act compliance along with zero data retention at its LLM providers, SSO, MFA, encryption and audit controls.
Founding story
The founding team launched a document automation product called Rally in 2018 and continued working on making transactional legal services more efficient; according to CEO Scott Stevenson, the technology needed to solve the problem did not exist until roughly five years into that journey, when large language models emerged. Spellbook itself was launched in 2022 by the Toronto-based team.
Business model
B2B software sold as a subscription add-in to legal teams, with pricing based on the number of team members on a license. Pricing is not published; prospects are routed to a 7-day free trial or a demo call. The company began by selling to solo and small firms and has since moved upmarket, with about half of revenue coming from large firms and enterprises as of the October 2025 Series B announcement.
Seat- or team-size-based license subscriptions with custom quotes rather than published list pricing; a 7-day free trial serves as the entry point.
Traction
As of the October 2025 Series B, Spellbook reported nearly 4,000 law firms and in-house legal teams across 80 countries, more than 10 million contracts reviewed on the platform, and a pace to triple revenue in 2025, with about half of revenue from large firms and enterprises. The company's website and 2026 review coverage cite 4,500+ in-house teams and law firms in more than 80 countries. The CEO stated that suggestion acceptance rates rose from 5% at the launch of AI contract review in early 2023 to nearly 60% by October 2025, and that the Associate agent, launched in 2024, rivals the core Word add-in on user growth and usage.
Latest developments
In March 2026 Spellbook became the exclusive AI contract drafting and review partner of the Canadian Bar Association under a two-year agreement covering roughly 40,000 members. On 30 June 2026 it released Autonomous Contract Management to early-access customers, spanning contract intake, review and insight, with a Radar regulatory-change feature planned for Q4 2026. Additional announced updates include an AI Document Editor, Spellbook for Google Docs and an iManage integration, and as of May 2026 the Compare to Market dataset is offered under multiple access models, including one where teams share anonymized contract data to unlock the benchmarking pool.
▸Full profile — market position, technology, go-to-market, geography, history, risks & controversies
Market position
Positioned as an AI-native contract review and drafting suite for transactional legal work, described by its CEO as targeting the roughly $1 trillion transactional legal services market and characterized in trade press as 'the Cursor for contracts'. The company says it launched the first generative-AI contract review tool in 2022 and serves more customers than any comparable AI contract review product; its ACM release was covered by Artificial Lawyer as a potential competitor to contract lifecycle management systems. Independent review coverage rates it 4.1/5 and notes its narrow scope: strong for contract drafting, redlining and M&A but not suited to case-law research or to employment, regulatory and stakeholder-communication work.
Word- and Google Docs-native workflow that keeps lawyers in their existing drafting environment, combined with reusable playbooks, precedent libraries, org-level preference learning and the Compare to Market benchmarking dataset that lets users cite market data for a clause by industry, jurisdiction and deal size. Management also cites accumulated user feedback data as a quality moat, pointing to suggestion acceptance rates rising from 5% in early 2023 to nearly 60%.
Technology
AI applications layered on state-of-the-art third-party large language models (the company cites OpenAI GPT-5 and Opus), tuned for commercial legal work and embedded in Microsoft Word (Windows, Mac and web) and Google Docs. Features draw on the document under review, user prompts, reusable playbooks, historical document libraries and market benchmark datasets, with multi-document context in the Associate agent. Security posture includes zero data retention with LLM providers, SSO, MFA, encryption and audit controls, and SOC 2 Type II, HIPAA, GDPR and EU AI Act compliance claims.
Go-to-market
Self-serve free trial and demo requests from the website, supported by customer case studies (Panasonic, Alturas Capital Partners, Elevare Law, Westaway, KMSC Law, Dropbox testimonials) and scaled go-to-market teams funded by the Series B. Channel and institutional distribution includes a two-year exclusive AI contract drafting and review partnership with the Canadian Bar Association signed in March 2026, which offers roughly 40,000 CBA members a 20% discount on annual licenses with data stored in Canada. Enterprise adoption is supported by DMS and CLM integrations, granular security settings and multi-timezone support.
Transactional lawyers, in-house legal departments and law firms handling commercial agreements, from solo and small firms through large firms and enterprise legal teams; disclosed customers include Nestlé, eBay, Kennedys, Panasonic, Dropbox, Alturas Capital Partners, Elevare Law, Westaway and KMSC Law LLP.
Geography
Toronto- and Canada-based team serving legal teams in more than 80 countries; the Canadian Bar Association partnership includes Canadian data residency for members.
History
Spellbook's founders started in legal technology with the 2018 launch of Rally, a document automation product. Spellbook launched in 2022 as what the company describes as the first generative-AI contract review tool, with AI contract review going live in early 2023. The Associate multi-document agent launched in 2024. In October 2025 the company announced a $50m Series B led by Keith Rabois at Khosla Ventures at a $350m post-money valuation, bringing total funding to over $80m, with Rabois joining the board. In March 2026 it signed a two-year exclusive AI partnership with the Canadian Bar Association, and on 30 June 2026 it released Autonomous Contract Management to early-access customers.
Risks & controversies
Pricing is not published, which reviewers list as a drawback alongside the product's status as an add-on and its lack of case-law research and general reminder/alert functionality. Scope is limited to contract and transactional work, leaving employment, regulatory and stakeholder matters uncovered for in-house buyers. Autonomous Contract Management remains in early access with a waitlist, so general availability, pricing and data handling were not settled as of mid-2026. Output requires attorney verification of proposed changes, benchmarks and legal conclusions. The CEO also anticipates significant consolidation in the contract AI market and said the company is likely to raise additional financing to support acquisitions.
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Competitors · 5
by search overlapCompanies competing with Spellbook for the same Google search keywords, organic and paid, via search-intersection analysis.
Timeline · 6
launches, deals, and filingsAI system covering contract intake, review and insight: pulls contracts from email, Slack and Salesforce, reviews each turn against customer standards and playbooks, stores signed agreements, flags renewals and surfaces risks. Available in early access with a waitlist; a Radar regulatory-change feature was planned for Q4 2026.
Two-year exclusive partnership making Spellbook the CBA's AI contract drafting and review partner, putting its Word add-in in front of roughly 40,000 lawyers, judges, notaries and law students, with 20% off annual licenses for members and data stored in Canada. Described as Spellbook's largest institutional partnership to date.
Series B led by Keith Rabois of Khosla Ventures, with participation from Threshold Ventures, Inovia, Bling Capital, Moxxie Ventures, Path Ventures and Jean-Michel Lemieux. Reported at a $350m post-money valuation and total funding of over $80m; Rabois joined the board.
$50M source ↗
Beta release of a market data comparison feature (later referred to as Compare to Market, formerly Benchmarks) that benchmarks clauses against comparable contracts by industry, deal size and jurisdiction.
Multi-document AI agent for transactional legal work, which the CEO said was rivaling the core Word add-in in user growth and usage by late 2025.
Spellbook launched what the company describes as the first generative-AI contract review tool, with AI contract review going live in early 2023.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
In the news
Breeding Unicorns on The Rockentrevestor.com · Jul 2026▸Research sources · 8
primary sources listed
- Spellbookspellbook.legal · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Spellbook do?
- Spellbook builds Word- and Google Docs-native AI tools that review, draft and benchmark commercial contracts for legal teams.
- Who founded Spellbook?
- Spellbook was founded by Scott Stevenson, Daniel Di Maria, Matt Mayers in 2018.
- Who are Spellbook's investors?
- Spellbook's investors include Bling Capital, Concrete Ventures, Good News Ventures, Inovia Capital, Khosla Ventures, Killick Capital, LegalTech, Moxxie Ventures and 4 more.
- How much funding has Spellbook raised?
- Spellbook has disclosed $50M raised across 1 of its 5 known rounds.







