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Series A Companies in Washington

Explore 145 series a startups based in Washington, United States. Access verified founder contact information and fundraising data.

Total Companies
145
Total Funding
$582.9M
Avg Funding
$23.3M
Industries
20

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Artificial Intelligence (AI)
$15.0M
raised

Clarify is an AI-powered writing tool that accelerates the academic writing process.

Jun 2025
Series A

Founder Contacts

30,000+ verified contacts

Analytics
$60.0M
raised

Centific specializes in data, analytics, and AI solutions for enterprises.

Jun 2025
Series A

Founder Contacts

30,000+ verified contacts

Biotechnology
$46.0M
raised

Vedana Therapeutics is a Seattle biotechnology company developing next-generation antibody therapies for migraine prevention.

Jun 2026
Series A

Founder Contacts

30,000+ verified contacts

$15.0M
raised

GreyNoise is a cybersecurity company that analyzes Internet scanning traffic to separate threats from background noise.

Jun 2022
Series A

Founder Contacts

30,000+ verified contacts

Protego Trust Bank is a financial service company that offers regulated crypto services to institutional investors.

Jun 2022
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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B2B
$20.0M
raised

Wholesale medical supply platform

Jun 2022
Series A

Founder Contacts

30,000+ verified contacts

Security
$1.4M
raised

AntiraTech is a high-tech company that specializes in the areas of security, offense, and defense in actual conflict.

Jun 2023
Series A

Founder Contacts

30,000+ verified contacts

$60.0M
raised

MycoMedica Life Sciences, PBC develops fungi-based therapeutic drugs for psychiatric and neurological disorders.

Jun 2022
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$15.0M
raised

Clarify offers a CRM that assists in managing sales processes.

Jun 2025
Series A

Founder Contacts

30,000+ verified contacts

Developer Platform
$20.5M
raised

CopilotKit is the full-stack framework for building user interactive agents and copilots. The company behind the AG-UI Protocol.

May 2026
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Financial Services
$5.1M
raised

Alpha Ledger is a fintech platform that provides a direct, transparent loan, and bond marketplace.

May 2024
Series A

Founder Contacts

30,000+ verified contacts

Agentic AI
$30.0M
raised

Nectar Social is an AI-powered platform combining community management, social listening, influencer tracking, and performance analytics.

May 2026
Series A

Founder Contacts

30,000+ verified contacts

Information Technology
$500K
raised

Sensor-based ocean infrastructure for marine conservation, industrial efficiency and maritime security — powered by real-time data and AI.

May 2026
Series A

Founder Contacts

30,000+ verified contacts

Casual Games
$5.0M
raised

Shadow War is a developer of next-generation hybrid action games for both competitive and casual players.

May 2024
Series A

Founder Contacts

30,000+ verified contacts

Information Services
$7.2M
raised

Tignis combines physics and AI for semiconductor process control and automation.

May 2022
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Food and Beverage

Huney Jun is a brand of honey based Jun-Kombucha. Impact driven at our core, we donate annually to the Save the Bee Initiative.

May 2022
Series A

Founder Contacts

30,000+ verified contacts

Consumer
$14.0M
raised

Recurate is a full-service recommerce partner that enables a used product P2P market directly on e-commerce stores.

May 2022
Series A

Founder Contacts

30,000+ verified contacts

Information Services
$50.0M
raised

Portal Space Systems develops spacecraft propulsion and mobility technologies for rapid space maneuverability.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

$9.7M
raised

Receptor Life Sciences is a biotechnology company

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

Autonomous Vehicles
$130.0M
raised

Cavnue combines technology and road infrastructure to unlock the full potential of connected and autonomous vehicles.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

Ready to Reach These Founders?

Get verified contact info for decision-makers at 145 funded startups

30,000+ verified emails
Unlimited exports
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Health Care
$15.0M
raised

Zócalo Health specializes in culturally-sensitive primary care and care management for the Latino community.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

$22.0M
raised

One More Game is an online game company.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

Aerospace
$6.0M
raised

Rhea Space Activity (RSA) is an astrophysics start-up company in the science and technology industry.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

Finance
$8.0M
raised

Formations is a financial service company that delivers financial management solutions for full-time self-employed.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

Logistics
$27.5M
raised

Shipium is the Premier Shipping Platform for retail and ecommerce. We make fast shipping the cornerstone of a great shopping experience.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

Showing 26 to 50 of 145 companies

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