1Up Ventures
Focuses on founders building marketplaces with B2B applications that enhance microtransaction systems or improve digital collaboration workflows.
- Marketplace
Browse 191 venture capital firms headquartered in Seattle. Median check across the 187 firms that disclose a range is $300K–$2M; most active at Seed, Pre-Seed, Series A; concentrated in SaaS, AI / ML, Developer Tools. Every firm is verified — explore their thesis, check size, and portfolio, then get matched with the best-fit investors for your startup.
Focuses on founders building marketplaces with B2B applications that enhance microtransaction systems or improve digital collaboration workflows.
Investing in AI-driven pediatric health solutions that promise revolutionary improvements in children's healthcare delivery.
Early-stage incubator focused on transformative AI and machine learning innovation with enterprise and compliance applications.
Invests in AI solutions transforming future work practices.
API Ventures supports the next wave of API-driven business models, targeting platforms that serve multiple financial verticals.
Investing in technical founders building foundational enterprise tools, especially in high-compliance or regulated spaces.
Dedicates investments to startups that drive advancements in aerospace technology and industrial applications.
Specializes in investing in aerospace and defense technology startups with disruptive capabilities.
Focuses on early-stage investments in the aviation and aerospace sectors, particularly companies innovating in air travel and logistics.
Agile Start Fund focuses on accelerating the growth of early-stage startups in AI and SaaS, empowering SMBs through efficient, scalable technology.
Backing sports and celebrity-driven tech solutions that enhance fan interactions and create unforgettable experiences.
Large angel network with many early software investors. Can be useful for syndicate support around a niche creator workflow startup.
AltHealth Fund is committed to backing seed-stage digital and computational health startups that are set to revolutionize healthcare delivery and treatment paradigms.
Corporate venture arm focused on voice innovation, smart devices, AI, and entertainment. While broader than a niche fund, it is highly relevant for products that make voice a core interface layer acro...
Analytek Ventures invests in early-stage companies transforming high-stakes workflows through AI/ML-powered data products.
Early-stage fund dedicated to developer tooling and AI-first APIs building productivity-focused solutions for the enterprise.
Focused on early-stage investments in innovative maritime security technologies that provide autonomous protection and intelligence solutions.
A niche fund targeting startups pushing the boundaries of distributed enterprise solutions and hybrid cloud-native platforms.
Investing in early-stage companies that leverage technology to improve accessibility and health outcomes.
Specializes in automation-driven AI software and tools that offer solutions for scaling and operational efficiencies, focusing on early-stage organizations.
Invests in frontier technologies improving AI safety and control, particularly in industrial and hyperscale infrastructure contexts.
Invests in unique hospitality concepts and experiential retail experiences that cater to niche markets.
Focusing on decentralized protocols and tokenized infrastructure driving connectivity and utility.
A niche micro-fund supporting B2B SaaS solutions in the HR space, with an emphasis on employee engagement and leadership development tools.
Showing 1–24 of 191 firms — page 1 of 8.
Ranked by investments dated 2025–2026 in our portfolio data.