Knowledge Management & Enterprise Search
Entry signal — what decides who wins here
One thing must be trueEntry turns on a single condition that can be named and tested before much is spent. Clear it and this becomes an execution question; fail it and no amount of operating skill helps.
Displace an incumbent the screen found well defended — payments attached to the workflow, data that does not leave, a contract that renews itself. Share here means giving a buyer a reason to break something that currently works, which is a higher bar than being better.
Measured, not forecast: the share of US establishments opening in one year that were still active later. It counts good operators and bad ones together, which is exactly why it is the honest answer to “what are the odds”. It is for the whole sector rather than this market, and the ten-year figure comes from an older cohort because no younger one has reached ten years.
This is not a probability of success, and it is not a verdict on you. No survival probability is published per market, and inventing one would be worse than saying so. What the bar reads is how much of the outcome sits inside an operator's control: green means the hurdles are ones a better operator clears, red means the binding constraint is capital, an asset or a permission rather than execution. Someone arriving with an advantage this screen did not assume can win a market shown in red.
Companies named in this market · 8
The binding constraint — incumbent vulnerability
The category re-formed around AI faster than an entrant could ship. Glean went from $100M to $200M of ARR in nine months and raised at $7.2B; Notion reached $600M of ARR with roughly half attributed to AI. Beneath them sit five mature open-source wikis that make the document-store half free, and above them Microsoft bundles Viva and Copilot into agreements the buyer already signed. A new entrant is squeezed between free storage, a bundled default and two companies compounding at a rate no seed-stage product can match.
Sectors joined: Cybersecurity · SaaS · Technology · Dev Tools · B2B SaaS · AI
[UNVERIFIED] Sector-to-NAICS mapping is analyst judgment — see data/angel-sector-map.json. Counts are a per-record cross-reference and are not additive across records.
The incumbent
Who owns this market and who is coming for it. Fields a screen never reached say so rather than guessing.
Financials & market size — sourced
Figures that came from a filing, a results release or reputable reporting, each carrying its evidence tier.
Market size, derived
Built from the competitor set upward rather than quoted from a forecast. Published TAMs in these categories are frequently reverse-engineered from each other, so any published figure is checked against the vendor arithmetic rather than trusted on its own.
Disclosed revenue from 2 of 5 named vendors. The market is at least this large.
No vendor has both a disclosed revenue and a published share.
Only a revenue floor is known — the true market is larger by whatever the undisclosed vendors earn.
Competitor set · 5 named · 2 disclose revenue
| Name | Revenue | Share | Note |
|---|---|---|---|
| GleanB | $200M | — | ARR at end-2025, not GAAP revenue; private |
| NotionB | $600M | — | ARR, not GAAP revenue; private |
| Atlassian (Confluence)NASDAQ: TEAMA | not disclosed | — | Not broken out; group FY2025 revenue $5.2B |
| Coveo (Canadian)TSX: CVOC | not disclosed | — | Listed but not researched for this record |
| Wiki.js / BookStack / Outline / XWiki / DokuWikiB | not disclosed | — | Open source — a genuinely strong free tier here |
Vendor landscape
Market leaders, the full paid field, and every open-source alternative. Where a free tier exists it is what sets the price floor, so it is analysis rather than an appendix.
$200M ARR at the end of 2025, doubled in nine months; ~$300M by May 2026; $150M Series F at a $7.2B valuation in June 2025
$600M ARR, from $300M a year earlier, at an $11B secondary valuation; ~100M users, of whom roughly 4% pay
Bundled into agreements the buyer already holds — the reason a standalone tool must justify a second invoice
Paid field · 7 vendors
The category's fastest riser; sells the index across every SaaS the company already runs.
Half of ARR now attributed to AI products.
Arrives inside the Atlassian estate priced at $5.2B FY2025 group revenue.
Private; no disclosure.
Private; no disclosure.
Listed on the TSX; the domestic comparable in this category.
Small independents.
Open source · 5 projects — the price floor
Modern self-hosted wiki; the closest free substitute for a paid knowledge base.
Opinionated shelf/book/page structure; widely used for internal documentation.
Source-available rather than strictly open; free to self-host under the licence's terms.
Enterprise-grade, extensible, used by large European institutions.
No database required; the durable low-maintenance option.
The open-source tier here is unusually strong — five mature wiki and knowledge platforms with permissive or copyleft licences — which is why the paid tier has moved upmarket into AI-assisted enterprise search rather than defending the document store.
Evidence
Evidence. Incumbent financials on this record ARE sourced (tier A/B, see the financials block). The cut factor and reasoning remain analyst judgment and were not tested against customers.
Where the industry talks
The associations, forums and events where people in this trade actually talk shop — where to listen before entering, and where the first customers are found. Each link was opened on the date shown.
The knowledge-management trade magazine; publishes the KMWorld 100 and AI 100 lists and a free NewsLinks newsletter.
Annual KM conference co-located with Enterprise Search & Discovery, Taxonomy Boot Camp and Text Analytics Forum; 2026 registration page live.
Founded 1944; information-management professionals; runs the AI+IM Global Summit; no member count on pages opened.
1,306 members and 2,702 topics shown on the group page; long-running KM practitioner mailing list with monthly calls.
Search-relevance conference run by OpenSource Connections, where enterprise-search engineers talk shop; Haystack Europe 15-16 Sep 2026, Berlin, plus a US edition.
No Canadian KM body was verified. APQC's site blocks automated access and ARMA Canada's site refused connections, so both are omitted. r/KnowledgeManagement could not be reached.