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Series B Companies in Seattle

Explore 45 series b startups based in Seattle, United States. Access verified founder contact information and fundraising data.

Total Companies
45
Total Funding
$1.0B
Avg Funding
$40.3M
Industries
17

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Artificial Intelligence (AI)
$72.0M
raised

MIND is a cybersecurity company that offers an AI-native data loss prevention (DLP) platform that is simple, autonomous and complete.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

Affiliate Marketing
$22.0M
raised

Levanta is a creator affiliate and commerce platform that helps e-commerce brands manage partnerships across marketplaces.

Aug 2026
Series B

Founder Contacts

41,000+ 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

41,000+ 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

41,000+ 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

41,000+ verified contacts

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41,000+ verified emails
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Artificial Intelligence (AI)
$80.0M
raised

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

Feb 2026
Series B

Founder Contacts

41,000+ verified contacts

Cloud Computing
$11.5M
raised

MontyCloud helps customers manage and monitor their cloud services.

Jan 2026
Series B

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$10.0M
raised

Curi Bio integrates human stem cells, systems, and AI-enabled data analytics for the development of new therapeutics.

Dec 2025
Series B

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$40.0M
raised

Yoodli is an AI-driven learning platform that enhances communication skills using personalized roleplays and adaptive coaching.

Dec 2025
Series B

Founder Contacts

41,000+ 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

41,000+ verified contacts

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41,000+ verified emails
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Manufacturing
$20.0M
raised

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

Oct 2025
Series B

Founder Contacts

41,000+ 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

41,000+ verified contacts

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

41,000+ 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

41,000+ 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

41,000+ verified contacts

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41,000+ verified emails
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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

41,000+ verified contacts

$7.8M
raised

Atomo Coffee is a developer of molecular coffee.

Jan 2025
Series B

Founder Contacts

41,000+ verified contacts

Alternative Protein
$2.4M
raised

Rebellyous Foods is a food manufacturing technology and production company.

Jan 2025
Series B

Founder Contacts

41,000+ 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

41,000+ verified contacts

Consumer

Earth is the creator of soil transformation, an environmentally-friendly alternative to burial and cremation.

Oct 2024
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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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

41,000+ verified contacts

Biotechnology
$144.0M
raised

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

Aug 2024
Series B

Founder Contacts

41,000+ verified contacts

Cloud Data Services
$36.0M
raised

QA Wolf is your modern QA team

Jul 2024
Series B

Founder Contacts

41,000+ verified contacts

Delivery Service
$41.5M
raised

Pandion is a provider of a parcel network technology for e-commerce residential delivery.

Mar 2024
Series B

Founder Contacts

41,000+ verified contacts

E-Commerce
$7.9M
raised

FlavorCloud provides a service that integrates directly into shopping carts of retailers, a one-click international checkout experience.

Mar 2024
Series B

Founder Contacts

41,000+ verified contacts

Showing 1 to 25 of 45 companies

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