Company lists · Data refreshed November 2026

Top 25 Knowledge graph companies worldwide

RevenueBase identified 235 company matches for knowledge graph companies worldwide as of November 2026 and tracks 4,185 professional contacts across them, including 1,557 with verified work emails. The United States is the largest market and San Francisco the largest hub.

This list covers company matches for knowledge graph companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for knowledge graph companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
235Companies
4,185Contacts tracked
1,557Verified emails
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The 25 largest knowledge graph companies worldwide

Ranked by team size
Top 25 of 235 company matches for knowledge graph companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSan Mateo, CA, United StatesHQ recorded Nov 6, 2026501-1,0001,054 contacts →

Exact match

“Neo4j Graph Intelligence Platform transforms data into knowledge, powering dynamic, personalized, and autonomous AI systems and intelligent applications so organizations can act…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchPhiladelphia, United StatesHQ recorded Nov 6, 2026n/a884 contacts →

Exact match

“Guru connects, governs, and delivers trusted knowledge everywhere you work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNew York, United StatesHQ recorded Nov 6, 202651-200173 contacts →

Exact match

“Graphwise provides the semantic foundation for Enterprise AI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSan Ramon, CA, United StatesHQ recorded Nov 6, 202651-200160 contacts →

Exact match

“App Orchid accelerates enterprise AI, analytics, and decision intelligence-connecting data, context, and users to drive smarter, faster outcomes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchRedwood City, CA, United StatesHQ recorded Nov 6, 2026201-500126 contacts →

Exact match

“TigerGraph, the enterprise AI infrastructure and graph database leader, delivers massively parallel storage and computation that scales independently and without size limits, to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSingaporeHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“At Lynx Analytics, we unravel a world of connections that hold the most paramount business intelligence; through the combinations of graph analytics, A.I.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSingapore, United StatesHQ recorded Nov 6, 202651-20056 contacts →

Exact match

“Espalier.ai is an enterprise AI company powering high-stakes decisions for corporations, private equity firms, investment banks, and professional services firms across…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchGuelph, ON, CanadaHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“Schema App is an end-to-end Schema Markup solution that helps enterprise SEO teams develop a knowledge graph and drive search performance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“Demand.io is a tech accelerator and e-commerce network that creates AI-driven social shopping experiences that help millions of people shop smarter, save money, and connect with…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWalldorf, GermanyHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“metaphacts is an AI-first knowledge graph company helping global enterprises transform data into consumable, contextual and actionable knowledge.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchRome, ItalyHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“WordLift is an AI-driven platform revolutionizing digital content strategy for e-commerce, news, and media.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchManchester, United KingdomHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Biorelate helps scientists solving the most difficult biomedical challenges of today.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchRaleigh, NY, United StatesHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“TopQuadrant turns complex data into AI-ready data foundations for the world’s largest enterprises.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHyderabad, IndiaHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“At Aarth Software, we build intelligent platforms that transform the way organizations work with their data.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLafayette, CA, United StatesHQ recorded Nov 6, 202611-5035 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSofia, BulgariaHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“Ontotext is a global leader in semantic technology and knowledge graph solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchGhent, BelgiumHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Through our intuitive data and technology solutions, we transform complex data into actionable insights, streamline drug development, and accelerate new treatments to patients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchChapel Hill, United StatesHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Lead Semantics develops and markets AI solutions targeting 'Text and Knowledge' using state of the art NLP, Large Language Models, and Semantic Graph technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchFort Collins, CO, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Semantic Arts is a professional services firm that specializes in helping organizations overcome integration debt by leveraging semantics and graph databases.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-20023 contacts →

Exact match

“ArangoDB is the company behind ArangoGraph Insights Platform: a next-generation graph data and analytics platform that uncovers insights in difficult or impossible data with…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchGothenburg, SwedenHQ recorded Nov 6, 202651-20023 contacts →

Exact match

“Turning data into insight using search, graph and AI technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchItalyHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“By leveraging Big Data, Machine Learning & Semantic Web techs we are building a high-quality knowledge-graph derived from hundreds of sources.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBerlin, GermanyHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“cognee builds an OSS memory Platform for Agents Cognee turns relational data, documents, and system context into agent memory your agents can recall across sessions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“We build Knowledge Graphs using RDF, semantic tech and ontology development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchUnited StatesHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“We are Lexica, a deep tech company based in the US, that has tested our Semantic AI technology over the past 9 years in Latin America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 235 knowledge graph companies worldwide

See the full list, filter by size, metro and specialty, and access 1,557 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Knowledge graph companies worldwide at a glance

As of Nov 6, 2026
37.2%Verified-email coverage
17.8Average contacts per company
1-10Median size (employees)
5.5%Largest-city concentration · San Francisco
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
149
11-50
59
51-200
21
201-500
3
501-1,000
1
5,001-10,000
1

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for knowledge graph companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “knowledge graph companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 1,557 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Knowledge graph companies by location

1 lists · largest first

Every Knowledge graph companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “knowledge graph companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many knowledge graph companies are there worldwide?

RevenueBase identified 235 company matches for knowledge graph companies worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Neo4j tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most knowledge graph companies?

The United States leads with 67 companies. Every knowledge graph companies list by country and city is linked on this page.

Which city has the most knowledge graph companies?

San Francisco leads with 13 company records, followed by New York (9) and London (8).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,557 professional contacts with verified work emails tracked across these 235 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.