The Canadian Small Firm AI Stack in 2026

A 1 to 5 lawyer Canadian firm does not buy software the way an Am Law 100 firm does. The shortlist is shorter, the budget tighter, the buyer is the person who bills the work. This is the stack I see firms running in May 2026.

The default stack in May 2026

The center of gravity is Microsoft 365 plus Clio plus one AI add-in inside Word. Variations come from practice area: real estate adds conveyancing, corporate adds an entity manager, litigation adds research.

The price of the AI layer collapsed this year. Microsoft 365 Copilot is $30 per user per month on annual commitment for enterprise and $21 for the small-business SKU, with a promotional $18 through March 31, 2026. That is the all-in cost to get Claude or GPT-style drafting into Word and Outlook with the document and mailbox as context. For a five-lawyer firm, around $1,260 per year.

Intake, email, and everyday drafting

Most firms route everything through Outlook. The realistic AI options are Microsoft Copilot inside Outlook and Word, or the new Claude for Word, Excel, and PowerPoint Anthropic took to general availability on May 5, 2026 alongside an Outlook beta. Both ride on the M365 tenant.

The agent layer in Outlook is finally working. Triage, follow-up reminders, and first-pass classification of incoming requests are stable enough to leave on. Drafting a reply grounded in the thread plus a firm playbook is faster than starting from scratch. Anything that goes out the door still has a lawyer on the trigger.

A quieter pattern: dictation plus cleanup. Lawyers dictate into Word on mobile, the model rewrites the transcript into the firm's tone, the lawyer reviews. Five minutes of dictation makes a letter that used to take twenty.

Redlining and contract drafting

Spellbook is the Canadian-built default for solo and small firms doing contract work. It lives as a Word add-in, suggests clauses, redlines counterparty drafts against a playbook, and flags missing protections. Pricing is custom; ask for a quote.

Harvey is the Bay Street story. Harvey announced a Toronto office in 2026 and counts Torys, Davies, and Gowling among its Canadian customers. The platform is good. It is also priced for firms that bill at Bay Street rates. For a four-lawyer firm in Saskatoon, the answer is almost certainly Spellbook plus Copilot.

The shift this year is the in-Word agentic wave. Microsoft's Legal Agent shipped through Frontier on April 30, 2026. Clio's Word add-in is in beta. Claude for Small Business rolled out on May 13. These compress the redline-against-playbook workflow inside the document and will eat the low end of the market.

Research, where Canadian content still rules

Research is where small firms lean on Canadian-built tools, because US-trained generalist models are weak on Canadian primary law and weaker on Quebec civil law.

CanLII remains the free baseline and got an AI layer in early 2026 with CanLII Search+. Lexbox, the alerting tool built on top of CanLII, is the modest paid extension worth adding. The value is alerting on new decisions in a watch list, not blind search.

vLex's Vincent, now part of Clio after the $1 billion acquisition closed in November 2025, is the serious research AI for Canadian work. It runs against vLex's Canadian database including Irwin Law and Emond. The Clio integration is why this matters for small firms: the natural place to read Vincent's output is inside the matter you opened in Clio.

Lexis+ AI for Canada launched in July 2024 and is the bilingual incumbent. For a two-lawyer firm without a legacy Lexis contract, vLex Vincent through Clio is usually the easier story.

Entity work, and where SupaCorp fits

Entity work is the slice where we built SupaCorp. The pitch we kept hearing was that Athennian is overkill and priced for enterprise governance teams, while MinuteBox is lighter but tilts Ontario-first. Neither was built for a Quebec-Alberta-Ontario solo who needs federal CBCA filings, Ontario annual returns, Alberta corporate registry updates, and Quebec REQ obligations in one workspace, billed flat per firm rather than per entity. So we built that. Incorporations, annual returns, minute books, and federal and provincial registers in one place, multi-tenant with Postgres row-level security, designed for firms that bill the work and not the software. SupaCorp is in development at supacorp.ca.

Closing Folders, an iManage product since 2020, runs the closing checklist for real estate and corporate transactions. Lawyer Conveyance System and Prolegis are the Canadian conveyancing layers integrating with Clio in 2026.

Practice management is a near-monopoly conversation. Clio Manage starts at $49 per user per month for EasyStart, $89 for Essentials, $119 for Advanced, $149 for Complete, billed annually. CosmoLex is the Canadian Bar Association's official platform and strong on trust accounting. Actionstep targets mid-size firms. For a true solo, Clio Essentials usually wins.

What is still missing

The 2026 stack is good. It is not complete.

A Canadian-native AI drafting tool that handles Quebec civil-law concepts is missing. Spellbook is built for common-law contracts; its suggestions for a Quebec lease are usable but not idiomatic. Until a Quebec player ships, the workaround is to draft in Spellbook then rewrite for civil-law vocabulary by hand.

Law 25 incident and transfer logging is missing. Every Quebec firm is supposed to maintain incident logs, transfer assessments, and consent records. Nobody ships a small-firm-priced tool that generates a section 17 transfer assessment when a lawyer pastes a discovery into a US-hosted LLM.

Bilingual matter management built for civil and common law as first-class citizens is missing. Clio is available in French; the underlying matter model is common-law shaped. Small Quebec firms still rebuild fields to track REQ filings, notarial obligations, and Quebec-specific deadlines.

The shortlist for a small Canadian firm in 2026 is Microsoft 365 plus Clio plus Spellbook or a Word-native agent, with Lexbox, Vincent, or Lexis+ AI for research and a dedicated tool for the practice area that pulls the most hours.