The most prominent test and measurement companies ranked by global prominence, funding activity, and market position. Showing the top 50 out of 2,451 companies tracked on Fsome.
| # | Company | Location | Employees | Total Funding | Last Round | Last Funded |
|---|---|---|---|---|---|---|
| 1 |
LaunchDarkly
LaunchDarkly is a feature management platform that allows software development t…
|
Oakland | 251 - 500 | $330.3M | Series D | 2021-08-10 |
| 2 |
AB Tasty
AB Tasty offers AI-driven experimentation, personalization, and product optimiza…
|
Paris | 251 - 500 | $65.7M | Series C | 2020-07-22 |
| 3 |
Vivoo
Vivoo is an at-home health tracker that uses urine to provide personalized recom…
|
San Francisco | 51 - 100 | $22.1M | Series B | 2024-07-15 |
| 4 |
Testlio
Testlio’s managed crowdsourced testing platform connects experts with engineerin…
|
San Francisco | 101 - 250 | $20.5M | Series B | 2021-10-26 |
| 5 |
Amperon
Amperon is an energy forecasting company that builds AI-powered electricity anal…
|
Houston | 101 - 250 | $31.0M | Series Unknown | 2026-01-13 |
| 6 |
SiC Systems
SiC Systems is a cutting-edge technology startup that integrates advanced AI age…
|
Nashville | 1 - 10 | $2.5M | Pre Seed | 2025-10-14 |
| 7 |
Optics11
Maritime Defense and Energy Solutions
|
Amsterdam | 51 - 100 | $53.0M | Debt Financing | 2026-01-15 |
| 8 |
LEON
Leon belives that food should taste good and do you good.
|
London | 501 - 1K | $32.6M | Series Unknown | 2017-05-19 |
| 9 |
iSpot.tv
iSpot.tv provides real-time TV ad data and analytics by connecting TV impression…
|
Bellevue | 251 - 500 | $382.8M | Private Equity | 2022-04-27 |
| 10 |
Keysight Technologies
Keysight Technologies is an electronic measurement company.
|
Santa Rosa | c 10001 max | $1.4B | Post Ipo Debt | 2025-04-10 |
| 11 |
Haus
Haus is a marketing science platform that helps brands understand the true busin…
|
Mountain View | 51 - 100 | $61.1M | Series Unknown | 2025-04-18 |
| 12 |
Density
Density builds the technical infrastructure for cities, buildings, and spaces to…
|
San Francisco | 101 - 250 | $217.2M | Series D | 2021-11-10 |
| 13 |
Mirion Technologies
Mirion Technologies is provides radiation detection, and monitoring solutions fo…
|
Irvine | 1K - 5K | $3.0B | Post Ipo Debt | 2025-11-06 |
| 14 |
Inocras
Inocras provides AI-driven genomic analysis focused on cancer and rare diseases.
|
San Diego | 51 - 100 | $52.7M | Series Unknown | 2024-12-05 |
| 15 |
Eppo
Eppo provides an AB experimentation and feature management platform to make test…
|
San Francisco | 51 - 100 | $47.5M | Series B | 2024-08-20 |
| 16 |
Unleash
Unleash is an enterprise-ready open source feature management platform.
|
Oslo | 11 - 50 | $14.0M | Series B | 2026-03-04 |
| 17 |
Scarlet
Europe’s only Notified Body specialised in software and AI.
|
London | 51 - 100 | $26.6M | Series A | 2024-06-14 |
| 18 |
comScore
comScore is a cross-platform measurement company that measures audiences, brands…
|
Reston | 1K - 5K | $673.3M | Post Ipo Equity | 2025-09-29 |
| 19 |
Soda
Soda is a software company that provides data quality solutions through testing …
|
Brussels | 11 - 50 | $31.5M | Series Unknown | 2024-07-11 |
| 20 |
Applause
Applause is a crowd-sourced digital quality testing enabling companies to delive…
|
Framingham | 251 - 500 | $115.8M | Series F | 2016-09-14 |
| 21 |
MEQ Probe
MEQ Probe offers tech solutions for real-time meat measurement using AI and lase…
|
Reservoir | 11 - 50 | $15.8M | Series A | 2025-12-15 |
| 22 |
Aptimmune
Aptimmune is a biotechnology company that specializes on developing mucosal vacc…
|
St Louis | 1 - 10 | $8.8M | Convertible Note | 2022-01-10 |
| 23 |
Synthesized
Deliver compliant production-like data to testing and development teams for any …
|
London | 11 - 50 | $22.8M | Series A | 2025-09-24 |
| 24 |
GrowthBook
GrowthBook is an open source feature flagging and experimentation platform
|
Anaheim | 11 - 50 | $23.1M | Series A | 2025-07-01 |
| 25 |
Mitera Biosciences
Mitera Biosciences is a biotech innovator using non-invasive skin epigenetics to…
|
Bellevue | 1 - 10 | $1.8M | Seed | 2025-12-30 |
| 26 |
Quantum Diamonds
Quantum Diamonds provides described nitrogen-vacancy diamonds for quantum sensin…
|
Garching Bei M├╝nchen | 11 - 50 | $7.7M | Seed | 2023-11-27 |
| 27 |
Nair Electronics
Nair Electronics is a domestic aviation sensor company that develops and owns fu…
|
Xiamen | 11 - 50 | $71.1M | Series D | 2025-12-31 |
| 28 |
TRACT
TRACT operates as an innovative platform for measuring sustainability performanc…
|
Amsterdam | 11 - 50 | $32.8M | Series A | 2025-10-23 |
| 29 |
Fluid-Screen
Fluid-Screen is a biotech company that provides chip technology for bacterial ca…
|
Beverly | 1 - 10 | $10.3M | Series A | 2022-05-31 |
| 30 |
CPTx
CPTx develops single-stranded DNA products to neutralize viruses and address inf…
|
Planegg | 11 - 50 | $29.0M | Series Unknown | 2024-09-12 |
| 31 |
Dynata
Dynata engages in first-party data and data services.
|
Plano | 1K - 5K | $31.5M | Debt Financing | 2024-05-28 |
| 32 |
Byterat
Byterat is a modern cloud platform for battery data analytics.
|
San Francisco | 1 - 10 | $4.5M | Seed | 2023-10-27 |
| 33 |
Quantifi Photonics
Quantifi Photonics is a telecommunications equipment supply company that special…
|
Auckland | 51 - 100 | $29.0M | Grant | 2024-07-01 |
| 34 |
OXZO
OXZO offers oxygenation solutions for aquaculture with its Oxymar® platform.
|
Puerto Varas | 251 - 500 | $25.0M | Series Unknown | 2025-12-04 |
| 35 |
TVision
TVision is an audience measurement company that provides information on TV and c…
|
New York | 51 - 100 | $58.2M | Debt Financing | 2024-12-16 |
| 36 |
Output Sports
Output Sports operates as a sports tech start-up.
|
Dublin | 11 - 50 | $8.8M | Seed | 2025-01-30 |
| 37 |
GravitHy
GravitHy is an iron manufacturing firm producing DRI/HBI through hydrogen reduct…
|
Marseille | 11 - 50 | $64.4M | Series Unknown | 2025-03-26 |
| 38 |
Qualis
Qualis provides technical services in the areas of engineering analysis, testing…
|
Huntsville | 251 - 500 | $3.2M | Series Unknown | 2025-03-06 |
| 39 |
Altimmune
Altimmune focused on the development of products to stimulate robust and durable…
|
Gaithersburg | 51 - 100 | $66.4M | Post Ipo Debt | 2025-05-13 |
| 40 |
Speedscale
Speedscale allows users to stress test cloud services with real-world scenarios.
|
Atlanta | 1 - 10 | $12.0M | Pre Seed | 2023-03-07 |
| 41 |
Stilla Technologies
Stilla Technologies is a Paris-based european biotechnology company.
|
Villejuif | 51 - 100 | $101.7M | Series C | 2024-02-22 |
| 42 |
Testkube
Testkube is a Kubernetes-native testing framework for automating test executions…
|
Wilmington | 11 - 50 | $8.0M | Series A | 2025-09-23 |
| 43 |
Longshot Space Technologies
Longshot Space develops hypersonic launch technologies to reduce space launch co…
|
Emeryville | 1 - 10 | $6.5M | Series Unknown | 2025-06-27 |
| 44 |
test.ai
test.ai provides an AI-powered test automation platform to help organizations de…
|
San Francisco | 11 - 50 | $17.6M | Series A | 2018-07-31 |
| 45 |
4Moving Biotech
4Moving Biotech is a biopharmaceutical company that develops osteoarthritis drug…
|
Lille | 1 - 10 | $22.6M | Debt Financing | 2026-02-10 |
| 46 |
BrightSpec
Brightspec provides analytical chemistry solutions using FT-MRR spectroscopy, a …
|
Charlottesville | 1 - 10 | $21.1M | Series C | 2022-12-14 |
| 47 |
RTDT Laboratories
RTDT is a No-code SaaS for Structural Health Monitoring of wind turbines.
|
Z├╝rich | 1 - 10 | $4.2M | Pre Seed | 2025-07-01 |
| 48 |
Kameleoon
Kameleoon is the most advanced optimization platform on the market. Simple, fast…
|
Paris | 11 - 50 | $8.1M | Series Unknown | 2019-07-01 |
| 49 |
Macro Biologics
Macro Biologics creates synthetic biological polymers for therapeutic and biotec…
|
Carlsbad | 11 - 50 | $5.0M | Grant | 2025-12-16 |
| 50 |
Collo
Collo provides industrial areas with resolution liquid-particle mixture sensors …
|
Tampere | 11 - 50 | $5.5M | Series Unknown | 2024-08-13 |