53 Best Water Filter Startups to Watch in 2025

The Definitive Seedtable Ranking of Water Filter Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 8,560 start-ups with an aggregate funding of $72.4b. The average funding per company in this subset is $1.4b.

Last update to the database: Feb 18, 2025. See changelog.

See all results for this search

Track over 71,000 companies

Discover
Fast-growing Global startups

Seedtable uses technology and people to track over 71,000 companies to help you find the right ones to partner with.

Pricing + Sign up

8

Funding Rounds

$58.2b

Money raised

OpenAI is an AI research and deployment platform.

Location:

Key people:

3

Funding Rounds

$364.2m

Money raised

Neuralink is a company that develops brain-computer interface (BCI) devices to assist people with paralysis and blindness and technologies that may expand the abilities of humans.

Location:

Key people:

9

Funding Rounds

$570.0m

Money raised

Dialpad is a San Francisco-headquartered business communications platform company.

1

Funding Rounds

$1.5m

Money raised

Developer of low-latency and high-throughput broadband networks for AR/VR, IoT, robotics, and other emerging technologies.

1

Funding Rounds

CEX.IO is a cryptocurrency exchange platform that supports a range of cryptocurrencies and has different deposit and withdrawal methods that its traders can utilize for buying or selling digital assets through the usage of FIAT currency.

7

Funding Rounds

$60.6m

Money raised

READY Robotics is a company developing an industrial brand-agnostic operating system (Forge/OS) for industrial robots and automation.

25

Funding Rounds

$12.7m

Money raised

Creare offers engineering research, development, and consulting services.

1

Funding Rounds

$9.0m

Money raised

Tendermint is now Ignite. Tendermint was the core contributor to the Cosmos blockchain network.

Key people:

15

Funding Rounds

$140.4m

Money raised

Synthace is a software company based out of London, UK, building automation software that gives biologists the ability to control and analyze the performance of lab hardware.

15

Funding Rounds

$43.0m

Money raised

What3words is a London-based company developing a global address system. The company was founded by Jack Waley-Cohen, Chris Sheldrick, Mohan Ganesalingam, and Michael Dent.

Location:

Key people:

3

Funding Rounds

$17.5m

Money raised

Numerai is a hedge fund with stock market trades determined by crowdsourced artificial intelligence models. The best models receive rewards in the form of a cryptographic token called Numeraire (NMR) on the Ethereum blockchain.

1

Funding Rounds

$23.0m

Money raised

P2P Validator is a company with a platform that helps investors compound their cryptocurrency investments by participating in staking.

2

Funding Rounds

$27.0m

Money raised

CryptoKitties is a game built on the Ethereum blockchain in which users can collect and trade virtual kittens.

1

Funding Rounds

$510.0k

Money raised

Wavel.ai is a voice AI solution for scaling and localizing video content.

4

Funding Rounds

$583.6m

Money raised

TriNet Zenefits is a software as a service (SaaS) company providing a digital human resources platform for small- and medium-sized enterprises (SMEs).

1

Funding Rounds

$49.4m

Money raised

Bitcoin Suisse AG is a Swiss-regulated financial intermediary specializing in crypto-financial services, based in Zug, Switzerland.

1

Funding Rounds

$60.0m

Money raised

4

Funding Rounds

$230.0m

Money raised

Humane develops and commercializes consumer hardware, software, and services.

7

Funding Rounds

$124.0m

Money raised

Company providing user behavioral analytics for revenue optimization for websites and smartphone applications

Location:

Key people:

2

Funding Rounds

$1.6m

Money raised

Safello is a company founded in 2013 by Frank Schuil.

9

Funding Rounds

$3.9m

Money raised

Charles River Analytics is a Cambridge, Massachusetts-based R&D solutions provider in 1983.

3

Funding Rounds

$900.0k

Money raised

Pitney Bowes is a Stamford, Connecticut-based company founded in 1920 by Walter Bowes.

5

Funding Rounds

$37.0m

Money raised

Gemalto is an Amsterdam-based electronics company that has been acquired by Thales.

6

Funding Rounds

$214.0m

Money raised

ScienceLogic is an IT Operations Management company providing IT infrastructure monitoring and AIOps solutions for hybrid cloud management.

Location:

Key people:

5

Funding Rounds

$349.2m

Money raised

HashiCorp is a software company providing tools for developers and security professionals to provision, secure, and run infrastructure for distributed applications for organizations.

Key people:

7

Funding Rounds

$267.5m

Money raised

Immuta is a Boston-based provider of a cloud-native data governance platform for organizations to automate data access control, security, and privacy compliance.

8

Funding Rounds

$274.7m

Money raised

Sisense is a software company offering a platform for data analysts and data engineers to transform data into actionable business insights.

7

Funding Rounds

$165.1m

Money raised

Figment is a blockchain infrastructure and software provider.

Location:

Key people:

3

Funding Rounds

$54.2m

Money raised

Layer1 is a cryptocurrency investment and infrastructure platform.

1

Funding Rounds

$3.5m

Money raised

Backd is a liquidity made reactive founded in 2020 by Xan Myburgh.

4

Funding Rounds

$110.1m

Money raised

Coinhouse is the developer of an investment platform for cryptocurrency assets.

Location:

Key people:

11

Funding Rounds

$46.4m

Money raised

Cropin, also known as Cropin Technology solutions, is a company that offers an intelligent and self-evolving system that delivers farming solutions to the agricultural sector.

Key people:

10

Funding Rounds

$1.6b

Money raised

Snyk is a technology company offering a software development security platform using open-source code.

1

Funding Rounds

$150.0k

Money raised

GitStart is a "Pull Request as a Service" platform founded in 2019 by Hamza Zia.

Location:

Key people:

7

Funding Rounds

$11.1m

Money raised

Sky Engine AI is an advanced data science technology and research company that develops evolutionary AI platform for deep learning in virtual reality for any computer vision applications.

Location:

Key people:

7

Funding Rounds

$612.4m

Money raised

Dapper Labs is a software developer that creates blockchain-based video games and platforms.

Location:

Key people:

6

Funding Rounds

$21.8m

Money raised

A software company offering a low-code development platform for creating mobile business forms.

Location:

Key people:

3

Funding Rounds

$764.7m

Money raised

Bitmain is a Beijing-based multinational semiconductor company, founded in 2013, that manufactures products for blockchain and artificial intelligence (AI) applications.

1

Funding Rounds

$1.0m

Money raised

Applied Voice & Speech Technologies, Inc. (AVST) is a privately held software company headquartered in Orange County, California. It specializes in developing business communications solutions focusing on medium to large enterprise, government, higher education, healthcare, and hospitality markets.

3

Funding Rounds

$2.3m

Money raised

A web and API platform that provides Bitcoin and Altcoin conversion.

JSquare is a San Francisco-based company founded in 1985 by Jeff Herman.

Location:

Key people:

6

Funding Rounds

$157.0m

Money raised

Data.ai, formerly known as App Annie, is a unified data and artificial intelligence (AI) company that combines consumer and market data to provide AI-powered insights into mobile app market data.

2

Funding Rounds

$12.1m

Money raised

Sky and Space Global is an Australian nanosatellite company focused on IoT networks.

Location:

Key people:

7

Funding Rounds

$875.5m

Money raised

C3 AI is an enterprise artificial intelligence software company providing a family of integrated products for accelerating digital transformation.

Key people:

15

Funding Rounds

$3.2b

Money raised

Bolt, previously Taxify, is a technology start-up and developer of an on-demand transportation platform.

Location:

Key people:

4

Funding Rounds

$165.0m

Money raised

Elastic is a software company that creates products for searching for information on the Internet. It was founded in 2012 and is headquartered in San Francisco and Amsterdam.

4

Funding Rounds

$164.5m

Money raised

Aisera is an artificial intelligence company offering a platform for information technology, cloud computing, customer service, and operations.

4

Funding Rounds

$38.0m

Money raised

Salesken.ai is a conversational intelligence platform.

1

Funding Rounds

$5.0m

Money raised

Delta Exchange is a crypto derivatives exchange offering futures, perpetual swaps, and options on Bitcoin.

3

Funding Rounds

$1.6m

Money raised

Cwallet, formerly called CCTip, is a cryptocurrency social wallet with integrated bots.

5

Funding Rounds

$241.5m

Money raised

Hasura is a software and development tools company, offering tools for developers to simplify application development.

Location:

Key people:

9

Funding Rounds

$2.5b

Money raised

Cockroachs Labs is the New York based company behind Cockroach DB, an open source, distributed SQL database.

5

Funding Rounds

$121.0m

Money raised

A company offering an email client designed to be the fastest email experience. The company was founded by Conrad Irwin, Rahul Vohra, and Vivek Sodera in 2015 and is headquartered in San Francisco, California.

Location:

Key people:

Sign up to access our full database

Enter your email and get access to 71,000 + technology companies you can partner with.

Join 29000+ founders, operators, and investors.