Madrona Venture Group is a Seattle-based venture capital firm founded in 1995 that backs technology and consumer startups from seed through growth stages. It focuses on information technology, software, digital media and advertising, e-commerce, data analytics, fintech, cloud, mobile, and AI, as well as related infrastructure, hardware, and robotics. The firm primarily targets companies in the Pacific Northwest and the broader West Coast, and often leads investments with a goal of taking board seats to help portfolio companies scale from early development to market leadership.

Vulcan Capital is the private investment group of Vulcan Inc., the organization founded by Paul G. Allen. Based in Seattle with an additional office in Palo Alto, it invests globally across all stages of corporate development, including leveraged buyouts, growth capital, distressed and turnaround situations, and early-stage venture, as well as public equity value investing. The portfolio spans healthcare, software, media and entertainment, internet services, energy and resources, financial services, information services, life sciences, and technology. It pursues global opportunities with a focus on the United States, Europe, and Asia, and typically targets transactions in the tens of millions of dollars, with ranges starting around $10 million and above. Investments can take the form of control or minority positions across a mix of securities, and holdings may extend a decade or longer.

Founded in 2013, Keiretsu Capital is a Seattle-based private equity firm that invests in high-quality emerging companies. It focuses on life science, healthcare, technology, and real estate sectors, aiming to provide significant capital appreciation through strategic investments.

Alumni Ventures Group is a venture capital firm based in Manchester, New Hampshire, with offices across North America. It provides access to venture investing for individual accredited investors, particularly alumni networks, by offering diversified portfolios of venture opportunities and allowing members to invest alongside fellow alumni in ventures led by peers. The firm backs early-stage and later-stage opportunities across technology, consumer, healthcare, financial services, and other sectors, with a sector- and geography-agnostic approach. It typically invests between $10,000 and $3 million per deal and emphasizes the involvement of alumni connections and an institutional lead investor in opportunities. Alumni Ventures also offers focused funds to broaden participation, enabling accredited investors to access venture portfolios diversified by type, sector, stage, and geography. The model aims to democratize access to venture capital while maintaining rigorous selection standards through alumni networks.

Founded in 1997, Alliance of Angels is a Seattle-based angel group that invests in early-stage companies. With over $100 million invested across 200+ companies since inception, the group has facilitated numerous successful exits and returns.

Founders' Co-op is a Seattle-based seed-stage venture capital firm that backs software startups in the Pacific Northwest. It supports founders in building companies that attract growth investors and provides access to regional deal flow for both local and out-of-region investors at the seed stage and beyond. Founded in 2008, it is described as the largest and longest-running seed-stage specialist fund in the Pacific Northwest.

Founded in 2018 and based in Seattle, PSL Ventures is a venture capital firm focusing on early-stage technology-driven companies.

Trilogy Equity Partners, established in 2006 and located in Bellevue, Washington, is a venture capital firm that focuses on early-stage investments. The firm is led by a team of former entrepreneurs and operators who have substantial experience in the technology and wireless sectors, including the formation and leadership of major mobile operators in the United States. Trilogy emphasizes a hands-on investment approach and aims to align its interests with the long-term growth of the companies it supports. The firm primarily invests in early-stage companies across the Pacific Northwest, striving to build great companies over time.

Founded in 1997, Big Basin Partners is an early-stage technology investment partnership based in Sammamish, Washington. They specialize in working with entrepreneurs who have not yet raised traditional venture capital funds or may not have a business plan. The firm focuses on helping these entrepreneurs identify their initial target markets to support the growth of their companies.

Sequoia Capital is a venture capital firm based in Menlo Park, California, and a prominent global investor in seed, early and growth-stage startups. The firm backs companies across sectors including information technology, healthcare, financial services, energy, internet, mobile and enterprise software, often aiming to be a first investor and partner in fast-growing, proven teams. It pursues opportunities domestically in the United States and internationally in markets such as India, China and Israel, funding rounds spanning seed to growth with flexible investment sizes. Sequoia supports ambitious founders to push boundaries and build enduring companies.

Denny Hill Capital, founded in 2013 and based in Seattle, Washington, focuses on fostering the growth of early-stage and mature companies into sustainable businesses. The firm is dedicated to its portfolio companies, providing strategic and financial guidance throughout the development process. Denny Hill Capital targets various sectors, including building products, e-commerce, retail, clean technology, biotechnology, business software, and entertainment software, among others. The firm seeks to partner with companies that emphasize capital efficiency, profitability, and entrepreneurial spirit, supporting them in their journey toward achieving scale and sustainability.

Ignition Partners is a venture capital firm based in Bellevue, Washington. It targets seed and Series A investments in United States software companies, with emphasis on B2B, information technology, SaaS, artificial intelligence, cloud technology, and cybersecurity. The firm backs early-stage ventures by leveraging the partners’ track record as business leaders who have built successful technology companies, offering domain expertise, strategic insight, and industry connections to help founders hire teams, refine products, and scale companies.

Unlock Venture Partners is a Seattle-based venture capital firm that backs seed-stage technology startups. Founded in 2017, it concentrates on early software and technology investments, with a regional focus on Seattle and Los Angeles and activity in California and Washington. The firm shows interest in metaverse, gaming, and Web3 applications applied to sectors such as digital media, fintech, insurance, e-commerce, and proptech.

New Enterprise Associates is a venture capital firm founded in 1977 and based in Menlo Park, California, with offices in the United States, India and China. It makes investments across technology and healthcare startups at multiple stages, from seed to growth, including software, cloud, data, internet services, fintech, AI, e-commerce, and enterprise technology, as well as healthcare information technology, life sciences, medical devices, and biopharma. It also considers energy technology and infrastructure opportunities, such as solar, batteries and smart grids. The firm pursues a global approach, with activity in the United States, Asia and other regions, and supports companies through rounds of financing ranging from small to sizable investments as they scale. NEA focuses on building portfolios in software, IT services, consumer technology, and healthcare technology, backing ambitious entrepreneurs across sectors and geographies.

Threshold Ventures is a venture capital firm based in Menlo Park, California. It pursues a high-conviction, early-stage investment strategy and partners with entrepreneurs to build technology-driven companies in consumer, enterprise, and healthcare sectors. The firm provides venture and growth capital to technology companies and has historical ties to the broader Draper Fisher Jurvetson network. Threshold focuses on supporting early-stage ventures across software, consumer, and healthcare technologies, and seeks to back innovative teams aiming to reach market leadership.

Voyager Capital is a Seattle-based venture capital firm focused on technology startups in the Pacific Northwest and Western Canada. It invests in early-stage and growth-stage B2B software, analytics, cloud infrastructure, big data, and AI-enabled solutions, often leading first venture rounds and providing follow-on support. Founded in 1997, Voyager Capital maintains offices in Seattle, Portland, and Vancouver, and offers portfolio companies strategic guidance, go-to-market support, and team-building resources to help build market leaders.

Sahsen Ventures is a venture capital firm founded in 2016 and located in Seattle, Washington. The firm focuses on making investments in both for-profit and nonprofit organizations, with a particular emphasis on technology and biotechnology. Sahsen Ventures targets companies operating in various sectors, including life sciences, health, safety, education, and the environment.

Andreessen Horowitz is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz and based in Menlo Park, California. It funds startups across the entire lifecycle, from seed to growth, with a broad focus on software and technology-enabled businesses. The firm backs companies in software, cloud infrastructure, digital platforms, data storage, and mobile and Internet services, as well as sectors at the intersection of technology with life sciences, such as bio healthcare and computational medicine. Its investments span artificial intelligence, fintech, consumer and enterprise software, crypto and blockchain, cybersecurity, and related infrastructure. Through strategic guidance and a hands-on approach, the firm aims to help portfolio companies scale and innovate.

Keiretsu Forum is an international association of private investors, business leaders, and entrepreneurs. Established in San Francisco in 2000, it has since grown to over 2,500 members across more than 50 global chapters. The forum provides a platform for its members to network and invest in high-quality, diverse investment opportunities, typically ranging from $200,000 to $3.5 million. Keiretsu Forum focuses on companies with high growth potential across various sectors, including technology, consumer products, healthcare, clean tech, energy, and real estate.

Maveron is a consumer-focused venture capital firm founded in 1998 and headquartered in Seattle, with offices in San Francisco and New York. It concentrates on seed to early-stage investments in United States–based consumer technology, brands, and services, seeking opportunities where a differentiated brand and technology enable direct-to-consumer experiences. Its portfolio spans consumer internet and tech, e-commerce, fashion and beauty, health and wellness, food and lifestyle, education, and related areas such as fintech and on-demand services. Maveron often acts as lead investor and takes board seats to support strategic growth and execution, focusing on early rounds and scalable models. The firm emphasizes partnering with founders to build consumer brands with broad appeal and durable performance, primarily across the United States.

Accel is a venture capital firm founded in 1983 in Palo Alto, California, that backs early and growth-stage technology startups worldwide. It concentrates on software, cloud, data, mobile, digital media, and adjacent sectors, including consumer and enterprise technology, fintech, security, and healthcare. The firm supports entrepreneurs with long-term guidance and the resources needed to build world-class, category-defining companies. Accel maintains offices in Palo Alto, San Francisco, London, and Bangalore, and has backed a broad portfolio featuring notable companies such as Atlassian, Facebook, Dropbox, Slack, Spotify, and Cloudera.

WestRiver Group, established in 2002, is a Seattle-based investment firm specializing in the technology, life science, energy, and experiential sectors. It offers integrated capital solutions, investing across various asset classes and capital structures. The firm leverages its extensive network and operational expertise to collaborate closely with portfolio companies and provide strategic leadership. WestRiver Group is committed to diversity, having adopted the Diversity Term Sheet Rider.

Tiger Global Management is a New York based investment firm that manages public and private market strategies to pursue technology-driven growth opportunities worldwide. Founded in 2001 by Charles (Chase) Coleman, the firm invests in leading global companies across various industries, with a particular emphasis on technology-enabled growth. In public markets it employs long/short and growth strategies, while in private markets it targets opportunities from early to late stage. The firm operates globally, including the United States, China, India, Latin America, and Eastern Europe, and works with portfolio companies across their lifecycle to drive long-term value.

Liquid 2 Ventures is a San Francisco-based venture capital firm founded in 2015 that provides seed- and early-stage capital to technology startups. The firm supports founders across technology sectors and seeks to partner with ambitious teams developing innovative software and related technologies.

Founded in 2000, Lux Capital is a venture capital firm based in New York and Silicon Valley. It manages over $5 billion in assets, focusing on seed to growth investments at the intersection of technology and sciences. Lux actively supports entrepreneurs building successful businesses in high-growth sectors such as biochemistry, material science, electronics, infrastructure, aerospace, genomics, synthetic biology, and robotics.

Flying Fish Partners is an early-stage venture capital firm focused on technology investments, with a particular emphasis on artificial intelligence and machine learning. It backs applied and platform AI startups as well as related tools and infrastructure, helping technical teams build ML-centric strategies. Founded in 2016 by former Microsoft AI operators, the firm is based in Seattle, Washington, and targets early-stage opportunities across the United States and internationally in North America and the United Kingdom.

SpringRock Ventures is a Seattle-based venture capital firm that backs healthcare technology companies across North America, focusing on digital health, software-enabled services, health IT, wellness, consumerization of healthcare, oral health, medical devices, infrastructure, genomics, and HIPAA/security solutions to improve general health. It funds companies across early to late stages, including seed or EIR opportunities, and typically supports high-growth ventures with demonstrated customer acceptance.

The Washington Research Foundation, established in 1981 and located in Seattle, is a non-profit organization dedicated to advancing technology in the life sciences, information technology, and physical sciences. The foundation supports innovative research and early-stage entrepreneurs, contributing to the growth of Washington's technology economy. Its seed fund branch, WRF Capital, plays a crucial role in managing intellectual property and providing business support to local companies and institutions. As one of the leading venture capitalists in the Northwest, the foundation reinvests its financial returns into research and initiatives that foster new company spinouts. Through its efforts, the Washington Research Foundation aims to cultivate a vibrant research and enterprise community within the region.

WRF Capital is the corporate venture capital arm of the Washington Research Foundation, based in Seattle, Washington. Founded in 1981, it invests in early-stage startup companies based in Washington, with a focus on life sciences, enabling technologies, information technology, and physical sciences. It collaborates with entrepreneurs, research institutions, other investors, and industry partners to translate research and ideas into Washington-based businesses.

Pioneer Square Labs, established in 2015 and headquartered in Seattle, Washington, is a venture firm that creates and launches technology startups. It offers a wide range of services, including market research, product development, design, and recruitment, to validate and launch new ideas. Additionally, it provides operational support, such as fundraising, marketing, legal, and HR services, to help these startups grow and succeed.

The Amazon Alexa Fund, established in 2015 and based in Seattle, Washington, serves as Amazon's corporate venture capital arm. It focuses on investing in early- to growth-stage companies that are innovating in various sectors, including artificial intelligence, machine learning, healthcare, wellness, the Internet of Things, fintech, property technology, gaming, robotics, and voice technology. The fund aims to support advancements that enhance voice-powered interactions and improve customer experiences. In addition to financial investments, the Alexa Fund also operates the Alexa Accelerator, in collaboration with Techstars, which invites selected startups to participate in a 13-week program designed to foster innovation in voice technology.

Insight Partners is a global private equity and venture capital firm founded in 1995 that acts as a software investor, partnering with growth-stage technology and software companies. The firm concentrates on Fintech, Cybersecurity, AI/ML, DevOps, and Healthcare, providing capital and hands-on support to help management teams scale. Headquartered in New York City with offices in London, Tel Aviv, and Palo Alto, Insight Partners has more than $75 billion in assets under management, has invested in over 750 companies worldwide, and more than 55 portfolio companies have reached an IPO.

Founded in 1986, ARCH Venture Partners is a venture capital firm specializing in investments that bring innovations in life sciences to market. It focuses on companies co-founded by scientists and entrepreneurs, with a strong track record in commercializing technologies from academic research institutions and national laboratories.

Sand Hill Angels is an angel investor network based in Mountain View, California, founded in 2000. It comprises more than 60 Silicon Valley technology professionals who support startup formation and growth by investing in private technology companies across North America at seed and early stages, including bridge rounds. The group focuses on technology sectors such as clean technology, Internet, information sciences, semiconductors, enterprise software, storage, and communications, as well as life sciences including medical devices, diagnostics, and bioinformatics. Typical investments range from $300,000 to $500,000 with pre-money valuations under about $5 million. The network collaborates with venture capital funds and other angel organizations and actively engages with the Bay Area ecosystem to foster the growth of technology startups.

Ascend Venture Capital is a venture capital firm based in Saint Louis, Missouri, founded in 2015. It focuses on data-centric companies and partners with founders to provide both capital and operational support to help them scale. The firm invests in software, commercial services, and related technology sectors, assisting early-stage ventures with strategic guidance and hands-on execution to accelerate growth and value creation.

Amplify Partners is an early-stage venture capital firm based in Menlo Park, California, that backs technical founders solving enterprise-grade challenges. It makes seed and Series A investments in U.S.-based technology companies, with a focus on information technology, machine learning and artificial intelligence, data and analytics, cybersecurity, and biotechnology. The firm targets infrastructure 2.0 opportunities and supports portfolio companies through multiple rounds of funding as they scale, with initial investments typically in the range of $50,000 to $1.5 million. It avoids investments in consumer internet and cleantech sectors and emphasizes backing founders developing long-term, enterprise-ready solutions.

Imagen Capital Partners is a venture capital firm based in Woodinville, Washington. It focuses on seed and early-stage investments in software, SaaS, data-enabled technologies, cloud infrastructure and hardware, as well as digital media and mobile applications. The firm typically makes initial investments ranging from USD 2 million to USD 12 million and targets opportunities in the Seattle area and the broader technology market, pursuing seed and Series A rounds across the software and data-enabled sectors.

Citi Ventures is the corporate venture capital arm of Citigroup that leverages the bank’s resources to identify, incubate, and invest in innovative ideas at the intersection of finance and technology. Headquartered in San Francisco with offices in New York, London, Palo Alto, Tel Aviv, and Singapore, Citi Ventures collaborates with Citi colleagues, clients, and the broader innovation community to discover new value and accelerate the development of transformative technologies. The firm focuses on fintech, data analytics and machine learning, the future of commerce, security and enterprise IT, marketing, property technology, distributed ledger technology, and digital assets, pursuing strategic investments that complement Citi’s business lines and risk management capabilities. Since its founding, Citi Ventures has sought to build partnerships and portfolios that support entrepreneurship and technological progress, helping individuals, businesses, and communities adapt to rapid digital change while expanding Citi’s ecosystem and capabilities.

9Mile Labs is an enterprise and B2B high-tech startup accelerator based in Seattle, Washington. Founded in 2013, it provides workspace, funding, and a suite of perks along with access to a curated group of mentors and advisors who help entrepreneurs transform startup ideas into viable businesses and propel participating companies to the next level.

Acequia Capital specializes in advising early-stage founders and teams who are passionate about harnessing software to drive business innovation. The firm partners with entrepreneurs from the initial stages of idea development and team formation through to the eventual IPO, sale, or other exit strategies. Acequia Capital offers seed capital and assists in organizing initial investment groups, securing bridge financing when necessary, and leading or participating in subsequent equity financings from Series A onward. Additionally, the firm facilitates secondary sales to create a market for founders, employees, and investors, while also providing alternative financing solutions that align with the needs of companies and their stakeholders.

Greycroft is a venture capital firm that concentrates on technology start-ups, with a focus on the internet and mobile markets. It operates from offices in New York and Los Angeles, and uses its media and technology industry connections to help portfolio companies gain visibility, build strategic relationships, bring products to market, and grow successful businesses. Founded in 2006, Greycroft has invested in more than 200 companies across sectors such as consumer internet, financial technology, healthcare, and enterprise software, and manages over $1 billion in capital. The firm emphasizes early-stage investing and collaborates with entrepreneurs to support growth, while pursuing diversity initiatives including a diversity term sheet rider.

Hard Yaka is an investment firm based in Crystal Bay, Nevada, founded in 2010. It pursues technology investments across private equity and venture capital, including buyouts and distressed opportunities, and it frequently seeks majority stakes. The firm focuses on digital transformation infrastructure, including portable identity, payments, marketplaces, and regtech, and also backs early-stage opportunities in exchange space startups, targeting verticals within exchange markets as well as horizontals such as messaging and payments across exchange sectors.

Jazz Venture Partners is a San Francisco-based venture capital firm providing growth-stage capital to technology companies that fuse digital technologies with neuroscience. The firm backs ventures at the intersection of brain science and tech, including virtual and augmented reality, artificial intelligence, immersive gaming, and closed-loop human-computer systems, with a focus on medical applications. Its portfolio covers health, mind-body wellness, peak mental and physical performance, accelerated learning and training, sports, and entertainment. The team combines experience as investors, entrepreneurs, neuroscientists, and technologists, offering access to strategic resources and talent. The firm maintains offices in San Francisco, Santa Monica, and Seattle and was established in 2015.

Swan Venture Fund, established in 2015 and based in Mercer Island, focuses on investing in seed-stage and early-stage companies, particularly in the Seattle area. The fund specializes in B2B technology sectors, including healthcare, information technology, software as a service (SaaS), artificial intelligence, and machine learning. It targets companies that demonstrate early revenues, strong teams, and a competitive advantage, typically investing in pre-seed rounds ranging from $500,000 to $1.5 million. Swan Venture Fund is comprised of operators and industry experts who contribute not only capital but also valuable connections in business development, supply chains, and large corporations. The fund is particularly interested in market-accelerating technologies and low-regulatory healthcare solutions, investing in firms that align with its interests and where its members can actively contribute to the company's growth.

Second Avenue Partners is a venture capital investment firm based in Seattle, Washington, founded in 2000. The firm specializes in providing management, strategy, and capital for early-stage companies, focusing on sectors such as internet, consumer and social media, software, mobile, and clean energy. Its portfolio includes a diverse array of companies, such as Rubicon Interactive, Sports Technologies Inc., and Ice Energy, among others. By supporting innovative startups, Second Avenue Partners aims to foster growth and development in emerging industries.

Founded in 2012, Initialized Capital is a San Francisco-based early-stage venture capital firm focused on technology sectors. With over $3 billion under management across five funds since inception, the firm invests primarily at seed stage and has helped create over $200 billion in market value among its portfolio companies.

OVP Venture Partners, established in 1983, is a Seattle-based venture capital firm with an additional office in Portland, Oregon. The company specializes in early-stage investments, primarily in the biotech, clean-tech, and technology sectors across the United States. OVP is known for its Entrepreneurs Fund, which brings together leading entrepreneurs from the Pacific Northwest to co-invest in projects alongside the firm, providing deal flow, contacts, and seasoned insights. The firm has a proven track record of navigating various market cycles and has successfully raised and managed multiple funds since its inception.

Foundry Group is a venture capital firm founded in 2007 and based in Boulder, Colorado. It concentrates on information technology, Internet and software companies across North America, backing both early-stage and later-stage ventures in the technology sector. The firm has built a broad portfolio through institutional investments and angel backing, reflecting a consistent focus on partnering with entrepreneurs to scale innovative digital businesses.

SeaPoint Ventures is a venture capital firm based in Seattle, Washington, that focuses on seed and early-stage investments in the communications technology sector. The firm specializes in areas such as wireless and telecommunication infrastructure, broadband, and internet and network transactional infrastructure. SeaPoint Ventures primarily invests in companies located in the United States and often takes on the role of the first institutional investor in its portfolio companies, usually preferring to lead investment rounds. The firm's partners bring substantial operational, financial, and management experience, actively contributing their expertise and strategic relationships to support the growth of the businesses they invest in. Founded in 1997, SeaPoint Ventures has developed a strong reputation within the venture capital and wireless communications industries.

Founders Fund is a San Francisco-based venture capital firm that backs science and technology companies across multiple stages, from seed to late-stage. It pursues transformative technologies and follows a founder-friendly investment approach that provides substantial support with minimal interference. The firm invests in ventures solving difficult problems across sectors such as aerospace and transportation, artificial intelligence, advanced computing, energy, healthcare, biotechnology, cybersecurity, fintech, consumer internet, software, robotics, and related technology fields. It has backed notable companies early, including SpaceX, Palantir, and Facebook, reflecting a history of partnering with ambitious founders to scale breakthrough technologies.