50 Best Semantic Search Companies to Watch in 2026

The most prominent semantic search companies ranked by global prominence, funding activity, and market position. Showing the top 50 out of 338 companies tracked on Fsome.

338
Total Companies
$2.0B
Total Funding
$5.9M
Avg Funding
San Francisco
Top Location
# Company Location Employees Total Funding Last Round Last Funded
1
Pinecone
Pinecone develops a vector database that makes it easy to connect company data w…
New York 101 - 250 $138.0M Secondary Market 2023-11-01
2
Siren
Siren offers an Investigative Intelligence Platform that facilitates search, bus…
Galway 51 - 100 $27.6M Corporate Round 2025-12-02
3
Constructor
Constructor is an AI-enabled product search and discovery platform that provides…
San Francisco 101 - 250 $86.1M Series B 2024-06-17
4
Algolia
Algolia is the Search-as-a-Service platform that enables companies to deliver fa…
Palo Alto 1K - 5K $334.2M Series D 2021-07-28
5
Inbenta
Inbenta is a conversational AI solution designed to improve customer engagement.
Sunnyvale 101 - 250 $63.3M Series Unknown 2023-01-11
6
Neural Command
Neural Command helps companies surface in AI answers and search results across s…
Santa Monica 11 - 50 $2.5M Pre Seed 2025-02-03
7
Searchable.ai
Searchable.ai is a developer of a personalized semantic search engine used to im…
San Francisco 1 - 10 $8.4M Seed 2021-11-30
8
Skyword
The Skyword Platform makes it easy to produce, optimize, and promote content at …
Boston 101 - 250 $71.5M Private Equity 2021-01-19
9
Kayrros
Kayrros is an advanced data analytics company that helps global energy market pa…
Paris 101 - 250 $78.6M Series C 2022-03-22
10
Bragg Gaming Group
Bragg Gaming Group is a technology provider of semantic search, machine learning…
Concord 501 - 1K $30.8M Post Ipo Debt 2025-09-12
11
Mixedbread
Mixedbread AI is an AI platform that provides open-source in-house embedding and…
Berlin 1 - 10 $6.4M Seed 2025-02-10
12
Trieve
Trieve is the modern API for search, recommendations, and RAG at scale
San Francisco 1 - 10 $4.0M Seed 2024-09-11
13
ParadeDB
The transactional Elasticsearch alternative built on Postgres
New York 1 - 10 $14.1M Series A 2025-03-24
14
Meilisearch
Open-source search engine API
Paris 11 - 50 $21.8M Series A 2022-10-10
15
Vantage Discovery
Vantage Discovery is a generative AI-powered SaaS search and content discovery p…
San Francisco 11 - 50 $20.0M Series A 2024-06-01
16
Sinequa
Your Company. Augmented.
Paris 101 - 250 $28.3M Series B 2019-07-09
17
Partenit
Structured AI memory for robots. Fast, local, explainable, and ready for real-wo…
Santiago De La Ribera 1 - 10 $70K Grant 2025-07-21
18
Particular Audience
AI Commerce & Retail Media
Darlinghurst 11 - 50 $9.0M Debt Financing 2023-10-09
19
Brainspace
Brainspace is a pioneer in creating software that derives meaning from human com…
Addison 1 - 10 $215.0M Private Equity 2021-01-26
20
Versos AI Inc
Video Intelligence Platform
Saint John 1 - 10 $2.8M Seed 2025-11-14
21
TAIGER
Developer of applied artificial intelligence platform to automate complex cognit…
Singapore 51 - 100 $33.4M Non Equity Assistance 2020-10-21
22
Zive
Zive is the all-in-one AI workspace tailored for the modern enterprise.
Hamburg 11 - 50 $3.2M Pre Seed 2024-09-03
23
ENKI.AI
Enki is AI software that helps businesses discover the next perfect opportunitie…
San Francisco 11 - 50 $295K Pre Seed 2023-02-22
24
Maana
Maana Knowledge Platform turns human expertise and data from silos into digital …
Palo Alto 51 - 100 $77.2M Series Unknown 2020-10-26
25
Objective
Objective is a firm that focuses on AI-native search solutions for websites and …
San Francisco 11 - 50 $13.0M Seed 2023-10-18
26
Hyperspace
Hyperspace is a native hybrid search database that blend both lexical and vector…
Tel Aviv 11 - 50 $7.5M Seed 2024-03-31
27
Antidot
Antidot is a content delivery platform company that addresses the problem of dis…
Lyon 51 - 100 $26.1M Series B 2024-02-01
28
Guru
Guru is the AI Source of Truth’connecting company knowledge across tools to deli…
Philadelphia 101 - 250 $70.7M Series C 2020-04-20
29
dezzai
Deeptech company using generative AI and NLP to build conversational platforms t…
Madrid 11 - 50 $24.5M Undisclosed 2023-11-01
30
Expert.ai
Expert.ai is an artificial intelligence platform for language understanding.
Modena 251 - 500 $32.7M Post Ipo Equity 2020-08-05
31
Diffbot
Diffbot is an AI startup that provides knowledge as a service to power intellige…
Menlo Park 11 - 50 $13.0M Series A 2016-02-11
32
Causaly
Causaly develops a biomedical research discovery tool designed to find and unloc…
London 101 - 250 $93.0M Series B 2023-07-13
33
Bidnamic
Bidnamic is a machine learning platform that helps retailers unlock the full pot…
Leeds 51 - 100 $5.0M Series A 2022-05-23
34
Partium
Partium offers a solution for the fast identification of parts within industrial…
Philadelphia 51 - 100 $10.8M Series Unknown 2024-02-14
35
Prefixbox
Prefixbox AI Search provides a state-of-the-art search and discovery solution fo…
Budapest 51 - 100 $4.8M Series A 2023-07-15
36
ayfie Group
ayfie Group offers search and text analytics solutions that bring structure to u…
Oslo 51 - 100 $18.0M Series Unknown 2019-08-15
37
deepset
deepset offers the open-source AI Orchestration framework, Haystack, and a cloud…
Berlin 51 - 100 $45.2M Series B 2023-08-09
38
Infringements
Infringements is an early-web hub focused on tracking or reporting intellectual-…
$4.0M Pre Seed 2023-06-27
39
Moss
Real-time semantic search for Conversational AI
San Mateo 1 - 10 Seed 2025-12-03
40
Dala
Dala is a contextual AI search tool automates extracting knowledges.
London 1 - 10 $1.4M Pre Seed 2021-03-24
41
Frogsound Technology
Frogsound Technology is an intelligent voice interaction system developer.
Suzhou 11 - 50 $45.7M Series D 2025-09-03
42
3Q/DEPT
3Q/DEPT is a digital marketing agency.
Chicago 501 - 1K $10.0M Series Unknown 2019-05-09
43
Hindsight
Hindsight provides a cookie-less monetization platform for advertisers and publi…
New York 1 - 10 $955K Grant 2022-08-08
44
Invalidate
IPR-tested prior art search. The ultimate patent invalidation tool.
$4.0M Pre Seed 2023-06-27
45
Choosito
Choosito! search and learn turns the web into a leveled library of educational r…
Philadelphia 1 - 10 $2.4M Grant 2019-07-18
46
Prodlane
B2B Generative AI Document Search
Leipzig 1 - 10 $796K Seed 2024-12-19
47
Semantify
Empowers business users to freely explore data using natural language queries, a…
Chicago 11 - 50 $4.8M Non Equity Assistance 2018-11-01
48
E-Plato
The Enterprise Knowledge Hub that makes corporate information accessible and act…
Milano 1 - 10 $529K Seed 2025-04-04
49
Algomo
Organizational Swarm Intelligence - Starting with AI agents for website personal…
London 1 - 10 $2.7M Grant 2023-11-27
50
KiteEdge Ltd
Ontology-back AI Decision Intelligence for the Financial Services sector
London 1 - 10 $986K Pre Seed 2019-09-01