Madrona Venture Group is a Seattle-based venture capital firm founded in 1995 that backs technology companies across the United States, with a focus on the Pacific Northwest and West Coast. It invests across stages from seed to growth, typically in information technology, software, consumer internet, digital media and advertising, fintech, data analytics, cloud computing, artificial intelligence and machine learning, hardware and robotics, and often takes board seats in its portfolio companies. The firm supports early-stage to growth ventures, pursuing opportunities in areas such as the future of work and low-code/no-code, with typical investments ranging from $2 million to $10 million as lead investor.

Keiretsu Forum is an international investment community of accredited private equity investors, venture capitalists and corporate/institutional investors. Founded in San Francisco in 2000, it operates as a worldwide network that structures access to high-quality deal flow and investment opportunities through regional chapters across the United States, Europe and Asia. It is described as the world’s largest invitation-only angel investor network, with thousands of investor members who participate in funding opportunities for early- to growth-stage companies in technology, healthcare, energy, consumer products and other sectors. The forum emphasizes collaboration among members and partner resources to support due diligence, syndication and capital deployment, enabling private capital to back high-potential ventures.

Vulcan Capital is the private equity and venture capital arm of Vulcan, a global technology and investment organization founded by Paul G. Allen. It engages in investments across all stages of corporate development, including leveraged buyouts, growth and early-stage ventures, distressed/turnaround opportunities, and select public market strategies. The firm targets sectors such as healthcare, software, media and entertainment, Internet services, mobile, telecommunications, energy, data intelligence, and infrastructure, with a global reach focused on the United States, Europe, and Asia. Typical deal sizes range from about $10 million to $100 million, and investments can be held for up to a decade. Vulcan Capital is headquartered in Seattle, with an additional office in Palo Alto.

Alumni Ventures Group is a venture capital firm based in Manchester, New Hampshire, established in 2013. It targets individual accredited investors who previously had limited access to venture capital by enabling alumni from top entrepreneurial schools to invest together in ventures led by fellow alumni. The firm backs companies with an alumni connection and an institutional lead investor with sector expertise. It offers focused funds that provide accredited investors access to a diversified venture portfolio by type, sector, stage, and geography. The organization engages in seed, early-stage, and late-stage pre-IPO investments across technology, consumer, financial services, health care, life sciences, and other sectors.

Alliance of Angels is a Seattle-based angel group founded in 1997 with a network of more than 140 active investors that backs seed to early-stage startups. It has funded more than 200 companies and achieved 40+ exits, with investments spanning software-as-a-service, artificial intelligence, life sciences, technology, hardware, consumer, manufacturing, retail, and food industries across the United States and Canada, and a focus on the Pacific Northwest.

Founders' Co-op is a Seattle-based seed-stage venture capital firm that focuses on software startups in the Pacific Northwest. Founded in 2008, it backs early-stage founders and aims to connect them with growth investors, while serving as a key source of regional dealflow for both local and out-of-region investors. As a long-standing seed-stage specialist in the Pacific Northwest, the firm operates as a registered investment adviser (RIA).

PSL Ventures is a Seattle-based venture capital firm affiliated with Pioneer Square Labs' startup studio. It invests in early-stage technology-driven companies, including both studio-backed ventures and independent startups.

Trilogy International Partners is a private investment company that acquires and operates wireless telecommunications businesses in international markets with strong growth prospects. Based in Bellevue, Washington, it maintains regional offices in Fort Lauderdale, Florida. The firm holds controlling interests in mobile operators in Bolivia, Haiti and the Dominican Republic and a non-controlling stake in a greenfield mobile venture in New Zealand. Its portfolio companies provide wireless voice and data services, including international long distance, roaming, and fixed broadband in some markets, serving more than 31 million people. Founded in 2005, Trilogy focuses on building scale in underpenetrated markets by leveraging cross-market experience.

Big Basin Partners is a venture capital firm based in Sammamish, Washington, focusing on early-stage technology investments across sectors including computer hardware, cybersecurity, the Internet of Things, semiconductors, internet software services, application software, medical devices, healthcare, alternative energy, and education. The firm works with entrepreneurs who have not yet raised traditional venture capital funds, helping them identify viable initial target markets and supporting early product and market validation to accelerate growth.

Sequoia Capital is a venture capital firm founded in 1972 and based in Menlo Park, California. It pursues investments across multiple sectors, including information technology, healthcare, manufacturing, mobile, nanotechnology, financial services, internet, energy, media, and retail, and provides early to growth-stage funding coupled with strategic support to help founders build lasting, category-defining companies.

Denny Hill Capital is a Seattle-based venture capital firm founded in 2013 that supports early and growth-stage companies across a broad range of sectors, including building products, e-commerce, retail, clean technology, mobility, biotechnology, business software, entertainment software, social software, and oncology. The firm partners with portfolio companies to drive scale, profitability, and sustainable growth through capital efficiency, providing strategic and financial guidance from idea through expansion, and maintaining a hands-on, collaborative approach to help companies achieve long-term success.

Ignition Partners is a Bellevue, Washington-based venture capital firm that backs software companies in the United States, focusing on B2B, enterprise software, SaaS, artificial intelligence, cloud technology, and cybersecurity. Founded in 1999, the firm provides capital along with hands-on operational support, industry insight, and strategic connections to help entrepreneurs turn ideas into scalable businesses. The team leverages experience from building successful technology companies and offers guidance across product, go-to-market, and scaling efforts, with a history of working with leaders in the software and technology sectors.

New Enterprise Associates is a U.S.-based venture capital firm founded in 1977 and headquartered in Menlo Park, California. It invests in technology and healthcare companies across stages and geographies, supporting startups from seed to growth. The firm operates globally with investments in the United States, Asia, and Brazil among others, and has a long track record of portfolio IPOs and acquisitions. It has over $19 billion in cumulative committed capital.

Threshold Ventures is an early-stage venture capital firm based in Menlo Park, California. The firm pursues a high-conviction investment strategy and partners with entrepreneurs to build and scale innovative software, consumer, enterprise, and healthcare technology companies, providing capital and strategic support to help startups reach product-market fit and accelerate growth.

Unlock Venture Partners is a Seattle-based venture capital firm that backs seed-stage technology startups. Founded in 2017, it concentrates on early-stage software and other technology companies, primarily in the Seattle and Los Angeles markets. The firm pursues opportunities across metaverse, gaming, and Web3 applications, including use cases in digital media, fintech, insurance, e-commerce, and proptech.

Voyager Capital is a Seattle-based venture capital firm focused on early-stage and growth technology investments, including software, analytics, cloud infrastructure, AI and related fields. The firm backs B2B companies and often participates in first venture rounds, offering domain expertise, go-to-market and team-building resources to help portfolio companies scale into market leaders. It operates with a Pacific Northwest emphasis and maintains an office in Portland, connecting to Western Canada as part of its geographic focus.

Sahsen Ventures is a venture capital firm based in Seattle, founded in 2016. It invests in technology and biotechnology companies and seeks opportunities in life sciences, health, safety, education, and environment sectors, supporting both for-profit and nonprofit organizations.

Flying Fish Partners is a Seattle-based venture capital firm founded in 2016 that focuses on early-stage investments in artificial intelligence and machine learning, including applied and platform AI as well as related tools and infrastructure. The firm backs startups across the United States, Canada and the United Kingdom, with an emphasis on companies using machine learning at the core of their strategy.

Andreessen Horowitz is a venture capital firm based in Menlo Park, California. Founded in 2009 by Marc Andreessen and Ben Horowitz, it funds software and technology companies across seed to growth stages, with emphasis on web and mobile applications, cloud infrastructure, enterprise software, fintech, consumer Internet, artificial intelligence, and biotech-adjacent ventures. The firm focuses on technology-enabled businesses and provides strategic support and networks to portfolio companies.

Maveron is a Seattle-based venture capital firm founded in 1998 by Dan Levitan and Howard Schultz. The firm, with additional offices in San Francisco and New York, focuses on seed to growth-stage investments in consumer-focused companies across the United States. Maveron backs early-stage and later-stage consumer technology, retail and services businesses that empower consumers to live on their terms, investing selectively and often taking a lead role. Its portfolio has included consumer brands such as Zulily, Allbirds, General Assembly and Trupanion, among others. With about 800 million dollars under management, Maveron pursues opportunities across sectors including housing, education, health and wellness, e-commerce and other consumer-centric tech, and looks for differentiated brands and direct-to-consumer or innovative consumer models. The firm emphasizes partnering with entrepreneurs to build scalable consumer businesses and maintains a focus on the consumer continuum, from startups to growth-stage companies.

Accel is a venture capital firm founded in 1983 by Arthur Patterson and Jim Swartz and headquartered in Palo Alto, California, with additional offices in San Francisco, London and Bangalore. It funds early- and growth-stage technology companies across software, cloud, SaaS, consumer, enterprise IT and related sectors, and it supports portfolio companies as they scale internationally. With a global network and more than three decades of experience, Accel seeks to help entrepreneurs build world-class, category-defining businesses. Notable investments include Atlassian, Facebook, Dropbox, Slack, Spotify, Etsy, Braintree, Cloudera and Qualtrics, among others. Accel operates multiple funds and programs to back companies at different stages, continuing a long track record of backing ambitious technology founders around the world.

WestRiver Group is a Seattle-based investment firm founded in 2002 that provides integrated capital solutions to the global innovation economy, with platforms focused on technology, life sciences, healthcare, energy, and experiential sectors and the flexibility to invest across asset classes and capital structures. Through a broad network of partners and deep operational expertise, it works closely with portfolio companies and often assumes executive or board roles to help drive growth and strategic direction. Headquartered in Seattle, Washington, WestRiver Group is registered as an investment adviser.

Tiger Global Management is an investment firm founded in 2001 by Charles (Chase) Coleman. It allocates capital across public and private markets worldwide, with a focus on technology-enabled growth opportunities. The firm pursues public equity strategies, including long/short and growth investments, and private equity across early- to late-stage companies in multiple industries, seeking high-quality growth opportunities and guiding portfolio companies through their lifecycle.

Lux Capital is a venture capital firm based in New York City and Silicon Valley that funds seed- and early-stage technology and science startups. It concentrates on deep tech across the physical and life sciences, investing in biochemistry, material science, electronics, infrastructure, aerospace, satellites, drones, and space technologies, as well as software, machine learning, and artificial intelligence, genomics and synthetic biology. The firm takes an active role in helping entrepreneurs build high-growth companies and has a track record of launching more than 20 portfolio companies. With a technically engaged approach, Lux supports portfolio progress by leveraging deep domain insight and industry connections to drive leadership and scale.

Liquid 2 Ventures is a San Francisco, California-based venture capital firm that provides seed-stage and early-stage investments to technology startups. Founded in 2015 by Joe Montana, Mike Miller, and Michael Ma, the firm focuses on technology companies across software, telecommunications, media, and other TMT sectors, offering early funding and strategic guidance to its portfolio companies.

SpringRock Ventures is a Seattle-based venture capital firm that invests in healthcare and information technology companies across North America, spanning early and late-stage opportunities including seed or entrepreneur-in-residence investments. The firm focuses on digital health, SaaS, health consumerization and ecommerce of healthcare, medical devices, oral health, infrastructure, wellness, HIPAA-related services, security, genomics, and other innovative providers improving general health. Typical investments range from two to five million dollars, supporting companies with demonstrated customer acceptance in sectors such as healthcare IT, digital health, and related services.

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.

Amazon is a multinational technology company that operates Amazon.com and AWS. Through its corporate venture capital arm, the Alexa Fund, based in Seattle, it invests in early- to growth-stage companies worldwide in areas such as artificial intelligence, voice technology, IoT, robotics, healthcare, fintech, and digital health, among others. The company also runs The Alexa Accelerator, powered by Techstars, a 13-week Seattle program that supports startups focused on transforming customer experiences through voice-powered interactions, with mentorship from Amazon technologists and industry leaders.

Pioneer Square Labs is a Seattle-based startup studio that creates and launches technology startups. It provides end-to-end support including market research, concept validation, engineering, data science, visual and UX design, product management, recruiting, fundraising, marketing, company formation, finance, operations, legal and human resources services, helping founders move ideas from concept to launch. Founded in 2015, the firm focuses on technology-driven ventures in the Pacific Northwest.

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

Insight Partners is a global software investor that partners with growth-stage technology and software companies. Headquartered in New York City with offices in London, Tel Aviv, and Palo Alto, it concentrates on growth-stage software, internet, and data services, with notable focus areas including fintech, cybersecurity, AI/ML, DevOps, and healthcare. Founded in 1995, Insight Partners manages over $75 billion in regulatory assets under management and has invested in more than 750 companies worldwide, with over 55 portfolio companies achieving an IPO. The firm combines capital with hands-on, right-sized software expertise to support portfolio companies on their growth journey from first investment to IPO.

Ascend Venture Group is a New York-based venture capital firm founded in 2000 that targets early-stage technology companies across North America. It partners with entrepreneurs to provide financial and strategic support to accelerate growth in software and related tech sectors.

ARCH Venture Partners is a United States-based venture capital firm founded in 1986 and headquartered in Chicago, Illinois. The firm focuses on science-driven companies, with a track record of commercializing technologies developed at academic research institutions and national laboratories. It primarily invests in life sciences, biotechnology, pharmaceuticals, healthcare technology, and related sectors, and also backs software, materials, clean tech, and information technology across early to growth stages. ARCH emphasizes relationships with scientists and entrepreneurs, often taking early stakes and supporting subsequent rounds to help market entry and scale. The firm has raised multiple venture funds totaling several billion dollars and maintains a national and international reach with offices across North America.

Sand Hill Angels is a Mountain View, California-based angel investor network in Silicon Valley founded in 2000. The group comprises around 60+ technology professionals who collaborate to form and grow startup companies by investing in private technology firms at early stages. Its members focus on technology sectors including clean technology, Internet, information sciences, and life sciences, with activity in areas such as semiconductors, enterprise software, storage, and communications, as well as medical devices, diagnostics, and bioinformatics. Sand Hill Angels typically invest in seed and Series A rounds, and occasionally later-stage bridges, often committing $300K to $500K at a pre-money valuation under $5 million. The network works openly with venture capital funds and other angel groups to support the Bay Area ecosystem.

Imagen Capital Partners is a venture capital firm based in Woodinville, Washington, that focuses on seed and early-stage investments in software, SaaS, data, and technology-enabled companies. The firm targets opportunities across the technology spectrum, with an emphasis on the Seattle area, and typically makes initial investments in the range of two to twelve million dollars. Established to support software, cloud, infrastructure, and related technology sectors, Imagen Capital Partners aims to back ambitious entrepreneurs during the early stages of product development and market entry.

9Mile Labs is a Seattle-based accelerator and early-stage investor founded in 2013 that supports enterprise and B2B technology startups in the United States. It provides workspace, mentorship, and access to capital to help startups develop and scale, leveraging a network of mentors and advisors to guide participants through the program.

Citigroup is a diversified financial services company providing a broad range of financial products and services to consumers, corporations, governments, and institutions worldwide. It operates through two main segments: Global Consumer Banking, which includes retail banking, Citi-branded cards, and consumer finance, and Institutional Clients Group, which covers wholesale banking, investment banking, fixed income and equity sales and trading, foreign exchange, prime brokerage, research, corporate lending, cash management, trade finance, and securities services. The company maintains a global footprint across regions including Asia, Europe, the Middle East, Africa, North and Latin America, and emphasizes sustainability and social responsibility initiatives.

Amplify Partners is a Menlo Park-based early-stage venture capital firm that backs technology companies across the United States. It focuses on seed and Series A investments in enterprise software, infrastructure technologies, and related areas such as machine learning, artificial intelligence, data and analytics, cybersecurity, and information technology. The firm seeks technical founders solving enterprise problems and supports them through multiple rounds of funding, with typical initial checks in the tens of thousands to several millions of dollars. It emphasizes Infrastructure 2.0 opportunities and avoids consumer internet and cleantech sectors. The firm is registered as an investment adviser and is headquartered in Menlo Park, California.

Hard Yaka is an investment firm based in Crystal Bay, Nevada. It engages in private equity and venture investments, focusing on technology and financial services sectors, including early-stage investments in exchange-related startups and opportunities in buyouts and distressed assets, often pursuing majority stakes.

Jazz Venture Partners is a San Francisco-based venture capital firm founded in 2015 that backs companies at the intersection of digital technology and neuroscience. It invests in technologies that extend human performance, including augmented reality, virtual reality, immersive gaming, artificial intelligence, and closed-loop human-computer systems. The firm seeks opportunities across health, mind-body wellness, peak mental and physical performance, accelerated learning and training, sports, and entertainment, and leverages a multidisciplinary team with backgrounds in investment, entrepreneurship, neuroscience, and technology to support portfolio companies.

SWAN Venture Fund is an angel investment group based in the Seattle area, specifically Mercer Island, that backs seed and early-stage technology companies. It focuses on B2B software, IoT and scalable hardware, health IT, cybersecurity, and other tech-enabled sectors, with a geographic focus on British Columbia and the western United States, including California, Idaho, Oregon, and Washington. The firm emphasizes value-driven partnerships and hands-on involvement by operators and industry experts, often participating in pre-seed rounds around $500k to $1.5 million to support capital-efficient companies with early revenues and competitive advantages.

Foundry Group is a Boulder, Colorado-based venture capital firm founded in 2007 that specializes in information technology, Internet and software companies across North America. It funds both early-stage and later-stage ventures and has launched multiple funds, including a fifth fund of about $225 million. Since inception it has invested in more than 100 companies as institutional investors and in more than 50 as angel investors, with a focus on software, digital services and related technology sectors.

Second Avenue Partners is a Seattle-based venture capital firm founded in 2000 that provides management, strategy and capital to early-stage companies. It focuses on investments in the internet, consumer and social media, software, mobile, and clean energy sectors. The firm supports portfolio companies through strategic guidance and capital deployment to help early-stage ventures scale.

OVP Venture Partners is a Seattle-based venture capital firm with an additional office in Portland, founded in 1983. It concentrates on early-stage investments in biotech, clean-tech and technology sectors in the United States, including digital biology, software, digital media, security, semiconductors and information technology. The firm targets opportunities across the Northwest, Southwest, West Coast, Southern California, Midwest and Mountain regions, and supports portfolio companies through deal flow, industry contacts and seasoned insight. It collaborates with entrepreneurs and co-investors to help build and scale major enterprises, drawing on experience navigating market cycles.

SeaPoint Ventures is a Seattle-based venture capital firm that backs seed and early-stage companies in the communications technology space, including wireless, broadband, and network infrastructure. The firm prefers to lead investments, often takes a board seat, and typically acts as the first institutional investor while selectively syndicating with others. SeaPoint emphasizes hands-on support by leveraging the partners' operational, financial, and management experience to help portfolio companies grow. Though focused on the United States, it seeks opportunities across the communications, broadband and related Internet and network infrastructure sectors. Founded in 1997, SeaPoint Ventures builds on its industry reputation and strategic relationships to identify and develop promising ventures in the wireless and telecommunications arena.

Bossa Invest is a venture capital firm based in Sao Paulo, Brazil, founded in 2011, that manages investment portfolios and provides asset management services to clients across sectors, with a focus on software as a service companies, and analyzes market trends to inform its investment decisions while operating in finance, technology, and real estate.

Initialized Capital is a San Francisco-based venture capital firm founded in 2012 that concentrates on early-stage technology investments, with a focus on seed opportunities. It manages multiple funds and has a team of investing partners, supporting technology startups through the initial funding stages.

Frazier Healthcare Partners is a Seattle-based investment firm founded in 1991 that specializes in healthcare. It provides growth capital and venture investments to healthcare companies across the United States, Canada and Europe, spanning healthcare services, medical devices, pharmaceuticals and biotechnology, life sciences, oncology and wellness. The firm maintains dedicated Growth Buyout and Life Sciences teams and takes an active, hands-on approach to building portfolio companies through its network of healthcare executives, advisers and industry experts. It funds companies at multiple stages, from early venture to growth equity, and seeks to help them scale through strategic guidance, operational support and capital optimization.

Norwest Venture Partners is a global technology venture capital and growth equity firm founded in 1961 and based in California. The firm backs seed through growth-stage companies across the United States, India and Israel, with investments spanning technology, cloud and IT infrastructure, Internet and consumer products, SaaS, business services, financial services, healthcare, and other sectors. It has funded hundreds of companies and leverages a broad network and operating experience to help founders scale their businesses. Norwest pursues a flexible, long-term approach, tailoring its capital and support to each stage and company, and it deploys capital across multiple rounds from early checks to growth investments. The firm is known for partnering with CEOs and management teams to accelerate growth through strategic guidance, operational resources, and access to its portfolio network.

Greycroft is a venture capital firm based in New York and Los Angeles that concentrates on technology startups, with a focus on the Internet and mobile markets. The firm uses its extensive media and technology industry connections to help entrepreneurs gain visibility, build strategic relationships, bring products to market, and scale successful businesses. Since inception Greycroft has invested in more than 200 companies and manages over $1 billion in capital. Its investment scope spans consumer internet, fintech, healthcare, and enterprise software, reflecting a broad approach to funding early- and growth-stage ventures in technology sectors.