Company lists · Data refreshed September 2026

Top 25 Knowledge extraction companies worldwide

RevenueBase identified 595 company matches for knowledge extraction companies worldwide as of September 2026 and tracks 6,734 professional contacts across them, including 1,400 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for knowledge extraction 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 September 20, 2026. Country and city lists for knowledge extraction 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 Sep 20, 2026 How this list was built
595Companies
6,734Contacts tracked
1,400Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest knowledge extraction companies worldwide

Ranked by team size
Top 25 of 595 company matches for knowledge extraction companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchCambridge, United KingdomHQ recorded Sep 20, 202610001+1,174 contacts →

Exact match

“HP Autonomy, is a global leader in software that processes human information, or unstructured data, including social media, email, video, audio, text and web pages, etc.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchSydney, AustraliaHQ recorded Sep 20, 2026201-500481 contacts →

Exact match

“Nuix creates innovative software that empowers organizations to simply and quickly find the truth from any data in a digital world.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchHyderabad, IndiaHQ recorded Sep 20, 202651-200138 contacts →

Exact match

“Founded in 2002, SciTech Patent Art Services is India's oldest dedicated patent search firm-a distinction earned over two decades of delivering world-class IP research, and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchParis, GermanyHQ recorded Sep 20, 202651-200128 contacts →

Exact match

“Sinequa by ChapsVision helps large organizations turn Entreprise Knowledge into actionable intelligence with AI and GenAI.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202651-200124 contacts →

Exact match

“We build and run custom, fully managed data extraction pipelines for companies whose products, research, and AI systems depend on external data.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202651-200108 contacts →

Exact match

“Grepsr helps enterprises extract reliable web data at scale without building scrapers, managing infrastructure, or fighting anti-bot systems.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 2026n/a73 contacts →

Exact match

“Recommind was acquired by OpenText in July 2016.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchBrookline, MA, United StatesHQ recorded Sep 20, 202651-20072 contacts →

Exact match

“Brightleaf provides a AI-powered service to extract information from your contracts using our own proprietary semantic intelligence/natural language processing technology, our own…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchBangalore, IndiaHQ recorded Sep 20, 202611-5065 contacts →

Exact match

“Cogniquest is a technology company specialized in developing solutions for extraction of insights.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchMünchen, GermanyHQ recorded Sep 20, 202651-20058 contacts →

Exact match

“Every day, companies and government agencies generate huge amounts of data, distributed across emails, file storage systems, specialist applications, cloud services, and databases.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchBerlin, GermanyHQ recorded Sep 20, 202651-20058 contacts →

Exact match

“VERBI Software empowers researchers and analysts with innovative solutions for qualitative and mixed methods data analysis.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchShanghai, ChinaHQ recorded Sep 20, 202651-20058 contacts →

Exact match

“As China regains its prominence on the world stage as an economic colossus, our mission is to extract, synthesize and deliver premium data to aid global capital navigate its…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchBengaluru North, IndiaHQ recorded Sep 20, 202651-20054 contacts →

Exact match

“Futurlytic Private Limited is a data analytics company focused on turning unstructured data into clear, business-ready intelligence.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchAhmedabad, IndiaHQ recorded Sep 20, 202611-5048 contacts →

Exact match

“The biggest bottleneck in modern business isn't analysing data.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchCambridge, United StatesHQ recorded Sep 20, 202651-20045 contacts →

Exact match

“SciBite’s data-first, semantic analytics software is for those who want to innovate and get more from their data.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchUnited StatesHQ recorded Sep 20, 202651-20045 contacts →

Exact match

“Somos uma Empresa de Desenvolvimento de Software e soluções baseadas em Inteligência Artificial especializada em extrair, estruturar e convalidar base de dados, para geração de…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchCheyenne, WY, United StatesHQ recorded Sep 20, 202611-5036 contacts →

Exact match

“DXwand's Knowledge Mining and Generative AI technology helps businesses embark below capabilities to streamline and automate their customer service conversations and unlock…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202651-20035 contacts →

Exact match

“Flexor turns enterprise unstructured data like emails, docs and calls into the business context AI needs to succeed.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchReston, VA, United StatesHQ recorded Sep 20, 202651-20035 contacts →

Exact match

“At Finch AI, we think like analysts.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5034 contacts →

Exact match

“Welcome to listening247!”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchWarsaw, PolandHQ recorded Sep 20, 202611-5034 contacts →

Exact match

“Silk Data was founded by PhD-titled experts with 80 years of combined academic and business experience, to help companies automate routine tasks and improve their digital products…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchPisa, ItalyHQ recorded Sep 20, 202611-5032 contacts →

Exact match

“Erre Quadro is a research-driven company, specialized in the development of cognitive engines for automatic analysis of technical documentation.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchUnited StatesHQ recorded Sep 20, 202651-20032 contacts →

Exact match

“Claro is a multi-faceted Knowledge Process Outsourcing company with diverse experience in data and expertise in various projects.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchWarszawa, PolandHQ recorded Sep 20, 202611-5030 contacts →

Exact match

“Zmieniamy dane w wiedzę.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchCardiff, United KingdomHQ recorded Sep 20, 202651-20030 contacts →

Exact match

“AMPLYFI’s AI-powered research platform connects structured and unstructured data at scale, to uncover previously hidden links, trends and opportunities.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 595 knowledge extraction companies worldwide

See the full list, filter by size, metro and specialty, and access 1,400 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Knowledge extraction companies worldwide at a glance

As of Sep 20, 2026
20.8%Verified-email coverage
11.3Average contacts per company
1-10Median size (employees)
3.4%Largest-city concentration · London
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
352
11-50
190
51-200
43
201-500
5
1,001-5,000
2
10001+
2

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 extraction companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “knowledge extraction 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 1,400 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 September 20, 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 extraction companies by location

3 lists · largest first

Every Knowledge extraction 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 extraction companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many knowledge extraction companies are there worldwide?

RevenueBase identified 595 company matches for knowledge extraction companies worldwide as of September 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?

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

Which country has the most knowledge extraction companies?

The United States leads with 154 companies, followed by India (50) and the United Kingdom (37). Every knowledge extraction companies list by country and city is linked on this page.

Which city has the most knowledge extraction companies?

London leads with 20 company records, followed by New York (18) and Paris (11).

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 1,400 professional contacts with verified work emails tracked across these 595 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 September 20, 2026.

Ready to reach these companies? Verified emails and direct dials for all 595 knowledge extraction companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.