Skip to main content

Series B Companies in Seattle

Explore 44 series b startups based in Seattle, United States. Access verified founder contact information and fundraising data.

Total Companies
44
Total Funding
$1.2B
Avg Funding
$47.5M
Industries
17

Export 44 Series B Companies in Seattle

Get founder emails, funding data, and company details in one CSV

Start Free Trial

Recently Funded Companies

Export
$100.0M
raised

Cap Hill Brands is a consumer products company that invests in and operates great e-commerce and DTC brands.

Sep 2022
Series B

Founder Contacts

30,000+ verified contacts

Hardware
$23.0M
raised

HaptX is a leading haptics company that brings realistic touch to virtual reality for the first time with HaptX Gloves.

Sep 2022
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology
$112.0M
raised

A biotechnology company developing RNA technologies to shape the future of gene therapy

Jul 2021
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology
$52.9M
raised

AltPep provides a novel approach for tackling amyloid diseases, with diagnostic, therapeutic and anti-biofilm applications.

Jun 2023
Series B

Founder Contacts

30,000+ verified contacts

Real Estate
$20.0M
raised

Picket is a tech-driven real estate platform that delivers transformational change to the residential real estate market.

Jun 2023
Series B

Founder Contacts

30,000+ verified contacts

Ready to Reach These Founders?

Get verified contact info for decision-makers at 44 funded startups

30,000+ verified emails
Unlimited exports
No credit card required
Agentic AI
$63.0M
raised

Edge Delta is a multi-agent platform that uses AI-driven system to detect, investigate, and resolve issues using real-time streaming data.

May 2022
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$7.0M
raised

Humanly.io is a conversational AI that engages with every single candidate.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

$111.7M
raised

Starfish Space develops and manufactures autonomous space vehicles that perform in-orbit, satellite servicing missions.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

Electric Vehicle
$14.9M
raised

Pure Watercraft provides battery-electric propulsion systems for boats.

Apr 2022
Series B

Founder Contacts

30,000+ verified contacts

$100.0M
raised

Bluesky is a social media network that enables users to engage with communities and express creativity.

Mar 2026
Series B

Founder Contacts

30,000+ verified contacts

Ready to Reach These Founders?

Get verified contact info for decision-makers at 44 funded startups

30,000+ verified emails
Unlimited exports
No credit card required
Artificial Intelligence (AI)
$80.0M
raised

Overland AI develops autonomous ground vehicle technology for tactical and operational applications.

Feb 2026
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology

Cyrus Biotechnology is a developer of Rosetta software platform that solves drug discovery problems.

Feb 2024
Series B

Founder Contacts

30,000+ verified contacts

$28.0M
raised

Brook is a remote patient monitoring and health coaching platform that helps people manage their chronic conditions

Oct 2025
Series B

Founder Contacts

30,000+ verified contacts

Manufacturing
$20.0M
raised

Membrion is a manufacturer of ultra-low cost, high performance ion exchange membranes.

Oct 2025
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$50.0M
raised

Phaidra provides AI and ML solutions to accelerate performance in large-scale industries.

Oct 2025
Series B

Founder Contacts

30,000+ verified contacts

Ready to Reach These Founders?

Get verified contact info for decision-makers at 44 funded startups

30,000+ verified emails
Unlimited exports
No credit card required
Artificial Intelligence (AI)
$60.0M
raised

Supio is an accurate and dependable AI that assists attorneys in finding crucial information.

Apr 2025
Series B

Founder Contacts

30,000+ verified contacts

Agriculture
$20.0M
raised

IUNU is an industrial computer vision company that connects plants, facilities, and people through a single interface.

Apr 2025
Series B

Founder Contacts

30,000+ verified contacts

$25.0M
raised

Mast Reforestation is a tech-led reforestation company that provides seedling, project management, and carbon removal credits for forests.

Feb 2025
Series B

Founder Contacts

30,000+ verified contacts

Health Care

Big Bold Health is a platform company providing immune health solutions through nature's wisdom and modern science.

Jan 2025
Series B

Founder Contacts

30,000+ verified contacts

$7.8M
raised

Atomo Coffee is a developer of molecular coffee.

Jan 2025
Series B

Founder Contacts

30,000+ verified contacts

Ready to Reach These Founders?

Get verified contact info for decision-makers at 44 funded startups

30,000+ verified emails
Unlimited exports
No credit card required
Alternative Protein
$2.4M
raised

Rebellyous Foods is a food manufacturing technology and production company.

Jan 2025
Series B

Founder Contacts

30,000+ verified contacts

Analytics
$50.0M
raised

Read AI is a productivity AI company that enhances workflows with meeting analytics, scheduling, and summaries across messages and email.

Oct 2024
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$60.0M
raised

Protect AI is a cybersecurity company that helps in managing security risks and defending against AI security threats.

Aug 2024
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology
$144.0M
raised

Outpace Bio develops innovative cell therapies to enhance cancer treatment efficacy.

Aug 2024
Series B

Founder Contacts

30,000+ verified contacts

Cloud Data Services
$36.0M
raised

QA Wolf is your modern QA team

Jul 2024
Series B

Founder Contacts

30,000+ verified contacts

Showing 1 to 25 of 44 companies

Ready to Connect with Series B Startups in Seattle?

Get verified founder emails, funding details, and company data for 44 series b companies in Seattle.

Get Started - Access Contact Information

Join thousands of sales teams, investors, and service providers using VCBacked