Company lists · Data refreshed November 2026
Top 25 Large language model fine-tuning companies worldwide
RevenueBase identified 173 company matches for large language model fine-tuning companies worldwide as of November 2026 and tracks 1,881 professional contacts across them, including 176 with verified work emails. The United States is the largest market and San Francisco the largest hub.
This list covers company matches for large language model fine-tuning 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 large language model fine-tuning 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.
The 25 largest large language model fine-tuning companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 537 contacts → | ||||
Exact match “We leverage our AI data and localization experience – gained from working with the largest AI/NLP deployments in the world – to help train and fine-tune AI and LLM apps.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 191 contacts → | ||||
Exact match “Redrob -'border' in reverse - is building LLMs for the next 3 billion.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 142 contacts → | ||||
Exact match “Wow AI | Powered by AIxBlock - is an.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 72 contacts → | ||||
Exact match “Datasaur builds and deploys Private AI for organizations that can't send their data to someone else's cloud, banks, hospitals, government agencies, and enterprises handling…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 42 contacts → | ||||
Exact match “World-class performance per parameter language models, from IoT to the data center.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 30 contacts → | ||||
Exact match “Powered by NLU, APMIC delivers enterprise-grade LLM deployment solutions, fostering seamless collaboration between humans and AI.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 24 contacts → | ||||
Exact match “We believe the future of AI will be built on specialized small language models.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 17 contacts → | ||||
Exact match “Estidama is a cutting-edge technology firm at the forefront of the artificial intelligence revolution.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 14 contacts → | ||||
Exact match “AI Makerspace offers the industry-standard AI FDE Engineering Certification and enterprise AI programs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 11 contacts → | ||||
Exact match “DataNeuron aims to accelerate and scale the development of LLMs by providing a data-centric, end-to-end platform to automate data curation, fine-tuning, inferencing, and model…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 11 contacts → | ||||
Exact match “DeepMask provides a full-stack platform to build, deploy and run LLMs, internal knowledgebase RAG pipelines and fine-tuning of LLMs with full sovereignty and security.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 10 contacts → | ||||
Exact match “Replace LLMs with custom SLMs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 7 contacts → | ||||
Exact match “Accelerate your business with state-of-the-art large language models that integrate your knowledge.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match “Especialistas en desarrollar y ajustar grandes modelos de lenguaje basados en aprendizaje profundo para el sector privado y público utilizando técnicas de deep learning de última…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “Athina helps LLM developers prototype, experiment, evaluate and monitor production-grade AI pipelines.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “With Langtail, rest assured your LLM applications will perform exactly as needed.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “Distilling Large Language Models for Enterprise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “Okareo helps enterprises ship reliable Voice AI.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “Unleash your business potential with our LLM powered data solutions at scale” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “Securing Large Language Models We reduce product delivery timelines using market driven research and allow enterprises to fail faster and pivot quickly.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “Toggle Communications unleashes the full capacity of large language models to produce marketing assets and content for businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “Evolve AI is an Advanced AI Research and Consultancy Lab.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 4 contacts → | ||||
Exact match “Bhabha AI stands at the forefront of AI innovation, harnessing in-depth data analysis to significantly enhance Large Language Model (LLM) capabilities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “We bring the magic of Generative AI via customized LLMs tuned to your unique data and business needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “large language model fine-tuning companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 173 large language model fine-tuning companies worldwide
See the full list, filter by size, metro and specialty, and access 176 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Large language model fine-tuning companies worldwide at a glance
As of Nov 6, 2026Companies by employee count
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 large language model fine-tuning companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “large language model fine-tuning 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 176 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.
Large language model fine-tuning companies by location
1 lists · largest firstEvery Large language model fine-tuning 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 “large language model fine-tuning companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many large language model fine-tuning companies are there worldwide?
RevenueBase identified 173 company matches for large language model fine-tuning 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?
E2f, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most large language model fine-tuning companies?
The United States leads with 40 companies. Every large language model fine-tuning companies list by country and city is linked on this page.
Which city has the most large language model fine-tuning companies?
San Francisco leads with 9 company records, followed by New York (7) and London (4).
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 176 professional contacts with verified work emails tracked across these 173 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.
Ready to reach these companies? Verified emails and direct dials for all 173 large language model fine-tuning companies worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 large language model fine-tuning companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 173 matching company records for large language model fine-tuning companies worldwide, with 1,881 tracked contacts and 176 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 large language model fine-tuning companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  E2f, INCe2f.comHQ: Los Altos, CA, United StatesReported employees: 51-200 | Los Altos, CA, United States | 51-200 | Exact match | 537 contacts → |
“We leverage our AI data and localization experience – gained from working with the largest AI/NLP deployments in the world – to help train and fine-tune AI and LLM apps.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Redrobredrob.ioHQ: San Francisco, United StatesReported employees: 51-200 | San Francisco, United States | 51-200 | Exact match | 191 contacts → |
“Redrob -'border' in reverse - is building LLMs for the next 3 billion.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  WOW AIaixblock.ioHQ: Newark, DE, United StatesReported employees: 201-500 | Newark, DE, United States | 201-500 | Exact match | 142 contacts → |
“Wow AI | Powered by AIxBlock - is an.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Datasaurdatasaur.aiHQ: San Francisco Bay, CA, United StatesReported employees: 51-200 | San Francisco Bay, CA, United States | 51-200 | Exact match | 72 contacts → |
“Datasaur builds and deploys Private AI for organizations that can't send their data to someone else's cloud, banks, hospitals, government agencies, and enterprises handling…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Arcee AIarcee.aiHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 42 contacts → |
“World-class performance per parameter language models, from IoT to the data center.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Taipei, TaiwanReported employees: 11-50 | Taipei, Taiwan | 11-50 | Exact match | 30 contacts → |
“Powered by NLU, APMIC delivers enterprise-grade LLM deployment solutions, fostering seamless collaboration between humans and AI.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Fastino Labsfastino.aiHQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 24 contacts → |
“We believe the future of AI will be built on specialized small language models.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Estidama UAEestidama.aiHQ: Abu Dhabi, United Arab EmiratesReported employees: 11-50 | Abu Dhabi, United Arab Emirates | 11-50 | Exact match | 17 contacts → |
“Estidama is a cutting-edge technology firm at the forefront of the artificial intelligence revolution.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  AI Makerspaceaimakerspace.ioHQ: Columbus, OH, United StatesReported employees: 1-10 | Columbus, OH, United States | 1-10 | Exact match | 14 contacts → |
“AI Makerspace offers the industry-standard AI FDE Engineering Certification and enterprise AI programs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Dataneurondataneuron.aiHQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 11 contacts → |
“DataNeuron aims to accelerate and scale the development of LLMs by providing a data-centric, end-to-end platform to automate data curation, fine-tuning, inferencing, and model…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Deepmaskdeepmask.ioHQ: Munich, GermanyReported employees: 1-10 | Munich, Germany | 1-10 | Exact match | 11 contacts → |
“DeepMask provides a full-stack platform to build, deploy and run LLMs, internal knowledgebase RAG pipelines and fine-tuning of LLMs with full sovereignty and security.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Distil Labsdistillabs.aiHQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 10 contacts → |
“Replace LLMs with custom SLMs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Automorphicautomorphic.aiHQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 |  Studio Ousia INCousia.jpHQ: Chiyoda-ku, JapanReported employees: 1-10 | Chiyoda-ku, Japan | 1-10 | Exact match | 7 contacts → |
“Accelerate your business with state-of-the-art large language models that integrate your knowledge.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  LHF Labslhf.aiHQ: Bizkaia, SpainReported employees: 1-10 | Bizkaia, Spain | 1-10 | Exact match | 6 contacts → |
“Especialistas en desarrollar y ajustar grandes modelos de lenguaje basados en aprendizaje profundo para el sector privado y público utilizando técnicas de deep learning de última…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Athina AI YC W23athina.aiHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 6 contacts → |
“Athina helps LLM developers prototype, experiment, evaluate and monitor production-grade AI pipelines.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Langtaillangtail.comHQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 5 contacts → |
“With Langtail, rest assured your LLM applications will perform exactly as needed.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Malted AImalted.ai HQ: Edinburgh, United KingdomReported employees: 11-50 | Edinburgh, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Distilling Large Language Models for Enterprise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Okareookareo.comHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 5 contacts → |
“Okareo helps enterprises ship reliable Voice AI.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Conformal AIconformal.ioHQ: Remote, United StatesReported employees: 1-10 | Remote, United States | 1-10 | Exact match | 4 contacts → |
“Unleash your business potential with our LLM powered data solutions at scale” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  RAA Digitalraa.digitalHQ: Manama, BahrainReported employees: 1-10 | Manama, Bahrain | 1-10 | Exact match | 4 contacts → |
“Securing Large Language Models We reduce product delivery timelines using market driven research and allow enterprises to fail faster and pivot quickly.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Toggle Communicationstogglecomms.comHQ: Rochester, United StatesReported employees: 1-10 | Rochester, United States | 1-10 | Exact match | 4 contacts → |
“Toggle Communications unleashes the full capacity of large language models to produce marketing assets and content for businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Evolve AI Labsevolveailabs.comHQ: Barangaroo, AustraliaReported employees: 1-10 | Barangaroo, Australia | 1-10 | Exact match | 4 contacts → |
“Evolve AI is an Advanced AI Research and Consultancy Lab.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Bhabha AIbhabha.aiHQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 4 contacts → |
“Bhabha AI stands at the forefront of AI innovation, harnessing in-depth data analysis to significantly enhance Large Language Model (LLM) capabilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  42 Labs42labs.aiHQ: Stockholm, SwedenReported employees: 1-10 | Stockholm, Sweden | 1-10 | Exact match | 3 contacts → |
“We bring the magic of Generative AI via customized LLMs tuned to your unique data and business needs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 173 company matches
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Large language model fine-tuning companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
173 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 173 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Large language model fine-tuning companies by location
1 lists · largest firstEvery Large language model fine-tuning companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for large language model fine-tuning companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many large language model fine-tuning companies did RevenueBase find worldwide?
The saved snapshot records 173 matching company records, 1,881 tracked contacts and 176 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 large language model fine-tuning companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/large-language-model-fine-tuning-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 large language model fine-tuning companies worldwide
RevenueBase records 173 matching company records for large language model fine-tuning companies worldwide, with 1,881 tracked contacts and 176 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 large language model fine-tuning companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | E2f, INCe2f.com HQ: Los Altos, CA, United StatesReported employees: 51-200 | Los Altos, CA, United States | 51-200 | Exact match | 537 contacts → |
“We leverage our AI data and localization experience – gained from working with the largest AI/NLP deployments in the world – to help train and fine-tune AI and LLM apps.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Redrobredrob.io HQ: San Francisco, United StatesReported employees: 51-200 | San Francisco, United States | 51-200 | Exact match | 191 contacts → |
“Redrob -'border' in reverse - is building LLMs for the next 3 billion.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | WOW AIaixblock.io HQ: Newark, DE, United StatesReported employees: 201-500 | Newark, DE, United States | 201-500 | Exact match | 142 contacts → |
“Wow AI | Powered by AIxBlock - is an.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Datasaurdatasaur.ai HQ: San Francisco Bay, CA, United StatesReported employees: 51-200 | San Francisco Bay, CA, United States | 51-200 | Exact match | 72 contacts → |
“Datasaur builds and deploys Private AI for organizations that can't send their data to someone else's cloud, banks, hospitals, government agencies, and enterprises handling…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Arcee AIarcee.ai HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 42 contacts → |
“World-class performance per parameter language models, from IoT to the data center.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Taipei, TaiwanReported employees: 11-50 | Taipei, Taiwan | 11-50 | Exact match | 30 contacts → |
“Powered by NLU, APMIC delivers enterprise-grade LLM deployment solutions, fostering seamless collaboration between humans and AI.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Fastino Labsfastino.ai HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 24 contacts → |
“We believe the future of AI will be built on specialized small language models.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Estidama UAEestidama.ai HQ: Abu Dhabi, United Arab EmiratesReported employees: 11-50 | Abu Dhabi, United Arab Emirates | 11-50 | Exact match | 17 contacts → |
“Estidama is a cutting-edge technology firm at the forefront of the artificial intelligence revolution.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | AI Makerspaceaimakerspace.io HQ: Columbus, OH, United StatesReported employees: 1-10 | Columbus, OH, United States | 1-10 | Exact match | 14 contacts → |
“AI Makerspace offers the industry-standard AI FDE Engineering Certification and enterprise AI programs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Dataneurondataneuron.ai HQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 11 contacts → |
“DataNeuron aims to accelerate and scale the development of LLMs by providing a data-centric, end-to-end platform to automate data curation, fine-tuning, inferencing, and model…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Deepmaskdeepmask.io HQ: Munich, GermanyReported employees: 1-10 | Munich, Germany | 1-10 | Exact match | 11 contacts → |
“DeepMask provides a full-stack platform to build, deploy and run LLMs, internal knowledgebase RAG pipelines and fine-tuning of LLMs with full sovereignty and security.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Distil Labsdistillabs.ai HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 10 contacts → |
“Replace LLMs with custom SLMs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Automorphicautomorphic.ai HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Studio Ousia INCousia.jp HQ: Chiyoda-ku, JapanReported employees: 1-10 | Chiyoda-ku, Japan | 1-10 | Exact match | 7 contacts → |
“Accelerate your business with state-of-the-art large language models that integrate your knowledge.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | LHF Labslhf.ai HQ: Bizkaia, SpainReported employees: 1-10 | Bizkaia, Spain | 1-10 | Exact match | 6 contacts → |
“Especialistas en desarrollar y ajustar grandes modelos de lenguaje basados en aprendizaje profundo para el sector privado y público utilizando técnicas de deep learning de última…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Athina AI YC W23athina.ai HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 6 contacts → |
“Athina helps LLM developers prototype, experiment, evaluate and monitor production-grade AI pipelines.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Langtaillangtail.com HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 5 contacts → |
“With Langtail, rest assured your LLM applications will perform exactly as needed.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Malted AImalted.ai HQ: Edinburgh, United KingdomReported employees: 11-50 | Edinburgh, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Distilling Large Language Models for Enterprise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Okareookareo.com HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 5 contacts → |
“Okareo helps enterprises ship reliable Voice AI.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Conformal AIconformal.io HQ: Remote, United StatesReported employees: 1-10 | Remote, United States | 1-10 | Exact match | 4 contacts → |
“Unleash your business potential with our LLM powered data solutions at scale” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | RAA Digitalraa.digital HQ: Manama, BahrainReported employees: 1-10 | Manama, Bahrain | 1-10 | Exact match | 4 contacts → |
“Securing Large Language Models We reduce product delivery timelines using market driven research and allow enterprises to fail faster and pivot quickly.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Toggle Communicationstogglecomms.com HQ: Rochester, United StatesReported employees: 1-10 | Rochester, United States | 1-10 | Exact match | 4 contacts → |
“Toggle Communications unleashes the full capacity of large language models to produce marketing assets and content for businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Evolve AI Labsevolveailabs.com HQ: Barangaroo, AustraliaReported employees: 1-10 | Barangaroo, Australia | 1-10 | Exact match | 4 contacts → |
“Evolve AI is an Advanced AI Research and Consultancy Lab.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Bhabha AIbhabha.ai HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 4 contacts → |
“Bhabha AI stands at the forefront of AI innovation, harnessing in-depth data analysis to significantly enhance Large Language Model (LLM) capabilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 42 Labs42labs.ai HQ: Stockholm, SwedenReported employees: 1-10 | Stockholm, Sweden | 1-10 | Exact match | 3 contacts → |
“We bring the magic of Generative AI via customized LLMs tuned to your unique data and business needs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 173 company matches
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Large language model fine-tuning companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
173 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 173 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Large language model fine-tuning companies by location
1 lists · largest firstEvery Large language model fine-tuning companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for large language model fine-tuning companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many large language model fine-tuning companies did RevenueBase find worldwide?
The saved snapshot records 173 matching company records, 1,881 tracked contacts and 176 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 large language model fine-tuning companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/large-language-model-fine-tuning-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗