Techstart Ventures is a venture capital firm based in Belfast, United Kingdom, founded in 2014. It acts as a first-cheque investor for extraordinary founders pursuing uncapped global opportunities, with a focus on early-stage companies at pre-seed and seed stages. The firm provides capital and guidance to help these ventures scale from the earliest stages and pursue ambitious growth globally.

SOSV is a global venture capital firm based in Princeton, New Jersey, founded in 1995, that focuses on seed to growth investments in deep technology across health, environmental tech, hardware, robotics, and cross border software, with a particular emphasis on Asia. The company runs accelerator style startup development programs, including HAX and IndieBio, which provide facilities, engineering resources, and lab equipment to help founders accelerate product development, acquire customers, and attract later stage funding. SOSV pursues a limited number of high potential startups, offering extensive hands on support to speed commercialization and scale, and aims to back innovations that improve human and planetary health.

Frontline Ventures is a venture capital firm headquartered in Dublin, Ireland, with offices in London and San Francisco, that backs globally ambitious business-to-business software companies across the United States and Europe. Founded in 2012, it supports startups from inception to growth through its early-stage and growth programs, leveraging a team of entrepreneur-investors to help portfolio companies navigate cross-border expansion. The firm emphasizes value-added support over capital quantity, drawing on a global network of experienced operators and advisors to assist founders at pivotal moments and drive scalable growth in B2B software businesses.

Act Venture Capital is a Dublin, Ireland-based technology-focused venture capital firm that backs ideas and companies from seed to growth. It concentrates on software, IT infrastructure, communications, Internet and mobile sectors, seeking potentially category-defining businesses with ambitious growth plans. The firm manages multiple funds and has raised hundreds of millions of euros to support portfolio companies, providing capital and strategic guidance to help founders scale globally. Act maintains a broad network of US and European investors and founders, and collaborates with institutions such as the European Investment Fund to support its investments.

Atlantic Bridge Capital is a growth equity firm based in Dublin that invests in deep technology companies across the United States and Europe. The firm focuses on sectors including cybersecurity, cloud and data infrastructure, enterprise software and software as a service, artificial intelligence and machine learning, computer vision, internet of things, advanced manufacturing, semiconductors, health technology, digital health, and climate tech. Its team combines entrepreneurs and senior technology executives who help portfolio companies scale internationally through a global platform and cross-border value creation. Atlantic Bridge builds a collaborative partner network across offices in London, Dublin, Munich, Paris and Palo Alto to support growth, international expansion, and access to customers and talent. The firm's investment approach emphasizes scaling through its differentiated Bridge Model, which accelerates growth by connecting European and US markets, resources, and strategic partners.

Clarendon Fund Managers is a Belfast-based venture capital firm that supports small and medium-sized enterprises in Northern Ireland through co-investment arrangements with business angels and private investors. Founded in 2001, it has backed more than 60 companies and focuses on sectors including consumer products and services, healthcare, information technology, cybersecurity, TMT, industrials, and other technology-driven areas. The firm typically makes initial investments from about £20,000 to £250,000 and can provide follow-on funding to support growth, with an expected exit horizon of five to seven years. Its activities are focused on opportunities in Northern Ireland, contributing capital and strategic backing to the regional SME ecosystem.

Kernel Management Partners is a venture capital investment firm founded in 1999 and based in Cork, Ireland, that seeks to invest in technology companies across Ireland.

Par Equity is a venture capital and private equity firm backed by Scottish Enterprise, based in Edinburgh with an office in San Francisco. It specializes in early‑stage and growth investments in technology companies, including software, deep tech and digital health, targeting opportunities in Scotland, Northern England and Northern Ireland, with cross‑border expansion between the United Kingdom and the United States. The firm funds proprietary technology and proven products poised for international growth, supporting UK companies expanding to the United States and US entrants seeking a UK presence. Typical investments range from £0.25 million to £2.5 million, with enterprise values up to about £10 million. It also provides angel capital to investee companies and focuses on cross‑border deals to accelerate scale.

Elkstone is an Irish investment firm focused on entrepreneurs, senior executives, institutional limited partners, the venture community, and the Irish diaspora. Its mission is to increase the economic value and overall wellbeing of the island of Ireland by expanding its network, enabling investments, and delivering strong investment performance.

Seroba Life Sciences is a Dublin-based venture capital firm focused on life sciences and medical technology. Founded in 2002, it invests in therapeutics, diagnostics, and medical devices across Western Europe and North America, from seed through late-stage development. The firm typically leads or co-leads investments, often in the range of several million euros, and provides support through inception, clinical development, regulatory approvals, intellectual property creation, and market launch. It emphasizes backing ambitious entrepreneurs and innovative technologies that aim to improve patient outcomes, with offices in Ireland and the United Kingdom to support global opportunities.

Fountain Healthcare Partners is an Ireland-based venture capital and private equity firm that focuses on the life sciences sector, including biotechnology, biopharmaceuticals, specialty pharmaceuticals, medical devices, and diagnostics. Established in 2008, the firm targets investments across the venture lifecycle, from incubation and seed to late-stage ventures and private equity opportunities, with a geographic focus on Europe (notably Ireland) and the United States. Fountain typically engages in early to growth-stage deals, often leading or co-leading investments and seeking active board involvement. The firm operates from Dublin and maintains a secondary office in New York, aiming to fund and support innovative life sciences companies through strategic value creation and governance.

Delta Partners is a venture capital firm founded in 1994 and based in Dublin, Ireland, with an additional office in London. It concentrates on early‑stage technology startups in Ireland and the United Kingdom, often backing spin‑offs from development teams or campus companies. The firm typically invests in information technology and information and communications technology, as well as healthcare and life sciences ventures, including pharmaceuticals, medical technology, and other health‑tech products and services, supporting portfolio companies at the initial growth stage.

Sure Valley Ventures is a venture capital firm focused on backing early-stage AI software companies in the UK and Ireland. Founded in 2017 by former founders turned investors, the team leverages entrepreneurial experience to identify and support founders building software that uses foundational AI technologies to tackle real-world industry challenges. The firm concentrates on software startups across the United Kingdom and Ireland, aiming to partner with teams that can scale with practical AI applications. By combining sector insight with hands-on expertise, Sure Valley Ventures seeks to help early-stage companies grow from seed to growth stages.

Growing Capital is a venture capital firm based in Dublin, Ireland, founded in 2015. It invests in software and business-to-business technology companies, focusing on seed and early-stage opportunities across Ireland.

COSIMO Ventures is an early-stage venture capital firm focused on disruptive technology, with activity in Ireland and the United Kingdom and offices in Boston and Dublin. The firm brings over a century of combined entrepreneurial operating and investing experience to help emerging technology companies grow. It partners with management teams to accelerate growth and expand into the US market, aiming to transform promising Irish and UK tech firms into global leaders and to disrupt new or existing market categories. The team has led value creation for early-stage companies and developed products used by hundreds of millions of users, reflecting a history of industry-first innovations in technology.

Lough Shore Investments is a venture capital firm based in Belfast, Ireland. It invests in startups in the web, mobile, and enterprise sectors with a focus on opportunities in Northern Ireland and Ireland, and seeks to partner with high-potential management teams to build scalable businesses, including established and next-generation startups. Its stated goal is to help portfolio companies reach exits or initial public offerings, with a plan to bring ten companies to exit or IPO by 2025.

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.

eDot Invest is a venture capital firm based in Dublin, Ireland, founded in 2014, that specializes in early-stage technology investments in Europe. The firm backs technology startups with growth potential and takes an active role in helping entrepreneurs develop and scale their businesses, with the aim of accelerating value creation and reaching exit opportunities for portfolio companies. By combining capital with hands-on support, eDot Invest seeks to partner with founders to navigate product development, market entry, and growth challenges during the critical early stages of company life cycles.

Crescent Capital is a Belfast-based investment firm specializing in venture capital and growth investments in Northern Ireland. Founded in 1995, it focuses on information technology, life sciences, manufacturing, and related sectors, providing equity financing to companies across early to growth stages. The firm typically makes initial investments in the hundreds of thousands to a few million pounds, with total commitments potentially higher as rounds progress, and may take majority or minority positions, often appointing a non-executive director. It aims to support portfolio companies through growth with planned exits in approximately five to seven years, frequently via trade sale. The firm operates from Belfast, with an additional office in London.

European Investment Fund (EIF) is a public institution established in 1994 to improve access to finance for Europe's small and medium-sized businesses. It designs and develops venture capital and guarantee instruments to support SMEs and to catalyse private investment, aiming to build a robust European equity ecosystem. EIF engages in venture capital, growth capital, and guarantee operations, backing innovative entrepreneurs primarily in technology and life sciences, as well as across other sectors. Through cornerstone investments and fund participation, EIF seeks to crowd in private investors and stimulate venture activity across Europe. Its equity portfolio has grown substantially, with assets under management exceeding EUR 14 billion, reflecting its broad role in strengthening SME finance and supporting entrepreneurship and growth.

MiddleGame Ventures is a venture capital firm based in Luxembourg with an additional office in Washington, DC, that backs fintech and related technologies across Europe and North America, focusing on rearchitecting financial services infrastructure through middleware, back-office systems, and digital modernization. Its investment scope includes fintech platforms, open finance, blockchain and crypto, AI/ML, data analytics, and regtech, spanning payments, asset management, capital markets, insurance, and digital banking. The firm often targets B2B and B2B2C companies that enable the transition from analog to digital and from centralized to decentralized models, with activity in the European Union and North America, including Ireland and the United States. It seeks to partner with ambitious teams building scalable, regulatory-compliant tech to transform financial services.

Enterprise Equity Venture Capital is a Dublin-based venture capital firm that provides capital to early-stage and expanding technology companies in Ireland. Founded in 1987, it has a long-standing presence across Ireland with offices in Dublin, Cork, Galway and Dundalk. The firm focuses on software, high-technology manufacturing and the medical device sector, supporting internationally oriented Irish businesses. Over its history it has invested more than €50 million in over 80 companies, and operates through multiple funds to back seed and growth ventures. It is regulated by the Central Bank of Ireland under MiFID. The company emphasizes a regional footprint and a hands-on approach to help portfolio companies scale and reach international markets.

BGF Investment Management Ltd. is a financial services company.

Lightstone Ventures is a California-headquartered venture capital firm focused on life sciences and health care companies. Founded in 2012 by partners from Advanced Technology Ventures and Morgenthaler, the firm backs early- and late-stage companies across pharmaceuticals, biotechnology, medical devices, therapeutics, and personalized medicines and targeted therapeutics, with offices in Menlo Park, Boston, Dublin, and Singapore and investments spanning the United States, Europe, and Australia. It seeks to capitalize on breakthroughs in life science company development and supports health-related research and commercialization through its portfolio.

Founded in 2004, Business Venture Partners is a corporate finance advisory firm specializing in SMEs and owner-managed businesses. The team, led by Elliott Griffin, Ronan Smith, Edel Coen, and Mark Ruane, offers services including company sales, fundraisings, start-up support, strategic growth planning, business succession, and owner exits. They manage funds such as Simple Green BES and EII Funds, investing in innovative Irish companies like Celtic Bioenergy and UrbanVolt.

Treo Ventures is a Santa Clara, California-based venture capital firm founded in 2018 that invests in medical technology, digital health, and therapeutic companies operating in the United States, Ireland, and Europe.

Venturewave Group is a privately owned Dublin-headquartered investment and technology holding company that uses capital to drive measurable, positive change. Via its regulated private-market arm Venturewave Capital, its private-markets platform Venturebeam, its strategic advisory unit Venturewave Partners, and its eco-luxury real-estate brand Rochtaine, the group sources, finances, scales and exits high-impact opportunities worldwide. It manages more than €300 million in assets under management, is authorised by the Central Bank of Ireland as an AIFM and registered with the U.S. Securities and Exchange Commission, and operates regulated subsidiaries in the UK, Estonia and Singapore. Its Venture Impact Score links each deal to verifiable UN Sustainable Development Goals outcomes while pursuing top-quartile returns. With over 50 professionals across Europe, the United States and Asia, Venturewave aims to deploy up to €1 billion by 2030, aligning private capital with founders, investors and societal impact.

Established in 2020, the European Innovation Council supports innovative startups and researchers with promising ideas, focusing on early-stage companies with positive environmental, social, or governance impacts. It co-invests alongside private investors.

4th Level Ventures is a Dublin-based venture capital firm founded in 2002 that invests in technology companies across Western Europe. The firm prioritizes opportunities where intellectual property originates from university or research institution work and aims to commercialize academic innovations. It seeks to support growth by combining relationships with business leaders, investors, universities, and financial institutions to bring university-originated technologies to market. The approach includes collaboration with university commercialization teams and engaging academics early to evaluate propositions and aid in commercial decision-making, helping translate research outputs into viable businesses. The firm focuses on technology sectors and operates across Western Europe, leveraging academic partnerships to identify and nurture disruptive technologies.

Zoosh Group is a product studio and early-stage investor specializing in design-led cloud solutions. It combines venture-style guidance with hands-on product development, offering investment, digital product design, build and development, and ongoing support to help startups move from idea to launch and scale. Through a team of experienced business coaches, Zoosh assists with refining cloud propositions, building teams, and creating new revenue streams. Founded in 2017 and headquartered in Ireland, the firm focuses on helping entrepreneurs create profitable, scalable businesses that leverage cloud-enabled designs.

Wayra is a corporate venture arm and innovation hub connected to Telefónica, operating as a global accelerator and open-innovation platform that links startups and scaleups with the Telefónica group. With a presence in ten countries including Argentina, Brazil, Chile, Colombia, Germany, Mexico, Peru, Spain, the United Kingdom, and Venezuela, Wayra collaborates with entrepreneurs to identify and develop joint business opportunities. It serves as the interface between Telefónica and entrepreneurial ecosystems worldwide, providing access to networks, capital, mentorship, and potential pilot deployments. Wayra runs accelerator programs and themed calls, such as the Wayra Call and the Health Hub with partners, to support tech startups across sectors like health tech, cybersecurity, smart city, and IT, aiming to scale startups through engagement with Telefónica's global assets and corporate partnerships.

Clark Hill is an international law firm founded in 1890 and headquartered in Detroit, Michigan. It employs more than 450 attorneys across 17 offices in the United States and Dublin, Ireland. The firm provides full-service legal counsel to businesses, public entities, and individuals. The firm offers advisory services across corporate and financial matters, government and public affairs, and personal legal services, with practice areas including acquisition financing, mergers and acquisitions, corporate finance, venture capital, private equity, mezzanine transactions, hedge fund transactions, bankruptcy, and joint ventures. Clark Hill serves clients across industries such as healthcare, insurance, mining, oil and gas, outsourcing, pharmaceutical, retail, tax-exempt organizations, telecommunications, internet and media, transportation, and logistics. It emphasizes multidisciplinary knowledge, industry insight, and a global network to deliver practical solutions and client service.

Draper Esprit is a Europe-focused private equity and venture capital firm with offices in London, Cambridge, Dublin, Helsinki, and Paris. It backs technology-oriented businesses and healthcare across Europe at multiple stages—from seed and Series A to growth and pre-IPO—placing both minority and majority stakes. The firm pursues direct investments and secondary opportunities in sectors including software, hardware, fintech, internet, digital health, and other tech-enabled areas, targeting companies in the UK, Ireland, and wider Europe.

Adara Ventures is a Madrid-based venture capital firm that backs early-stage technology companies across Europe. The firm focuses on deep-technology sectors such as cybersecurity, data applications and infrastructure, DevOps, hardware components, and digital health, and seeks ambitious founders capable of scaling internationally. It maintains a European footprint, investing across Spain, Portugal, France, Ireland, and the United Kingdom, and supports teams from product development through initial go-to-market stages. By providing early capital and guidance, Adara Ventures aims to accelerate growth for innovative startups at the intersection of software, hardware, and related infrastructure technologies.

Cross Atlantic Capital Partners is a Radnor, Pennsylvania-based venture capital firm focused on technology-driven companies across the United States, Ireland, and the United Kingdom. It targets early to mid-stage opportunities in software, IT services, telecommunications, financial services, and other technology-enabled sectors, often backing companies with patented know-how or distinctive expertise. The team combines deep operational experience, with multiple partners having held CEO or COO roles, and maintains active involvement on portfolio company boards. It leverages an extensive cross-Atlantic network and relationships with strategic partners, lenders, and industry groups to support growth and value creation. The firm seeks opportunities with large markets and potential to achieve meaningful revenue or valuation milestones within three to five years, providing strategic guidance and board-level oversight to help accelerate development and scale.

Malin Corporation is a Dublin, Ireland-based venture capital investment firm focused on life sciences and healthcare technology. Founded in 2015, it backs private companies in oncology, immunology, and genetic diseases, providing long-term capital and operational expertise to accelerate growth and position portfolio firms for IPO or sale.

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.

Eden Ventures is a London-based venture capital firm focused on seed and Series A technology companies in the United Kingdom and Ireland. It backs startups across software, digital media, e-commerce, internet and mobile sectors, as well as telecommunications software and enterprise software. Founded in 2002, it targets early-stage investments and takes the early risk to support companies through development and growth, with the capacity to back follow-on rounds toward significant exits. The firm helps portfolio companies attract follow-on investors for subsequent rounds.

Greylock Partners is a venture capital firm founded in 1965 and based in Menlo Park, California, with additional offices in Wellesley, Massachusetts, and San Francisco. The firm invests across seed through growth stages in consumer and enterprise software, cloud/SaaS, data and analytics, security, and related information technology sectors, and may participate in areas such as advertising, fintech, health tech, and open source infrastructure. It often seeks board oversight of portfolio companies and prioritizes investments in the United States, India, China, Europe and Israel, with occasional activity in Ireland and the United Kingdom.

Leaf Investments is a venture capital firm that makes early-stage investments in learning technology companies. Based in Dublin, Ireland, it targets opportunities across the learning technology and education spectrum and supports entrepreneurs both domestically and internationally. Founded in 2011, the firm focuses on emerging technologies that enable innovative learning solutions.

PE Global is an international recruitment agency based in Cork, Ireland. It offers tailored recruitment solutions and technical expertise, supplying permanent, contract and temporary candidates to clients worldwide.

Longbow Capital is a United Kingdom-based private equity and venture capital firm, founded in 2004 and headquartered in Norwich with an additional office in Edinburgh. It focuses on investments in healthcare, life sciences and wellbeing, targeting unquoted companies in the United Kingdom and Ireland across early, growth and mid-stage opportunities. Typical investments range from approximately £2 million to £10 million, with the firm often taking a board seat and providing strategic guidance, governance support, and industry connections to accelerate growth. It funds innovative healthcare and consumer health product businesses, offering capital, experience, and sector knowledge to help companies scale, pursue growth strategies, and achieve value creation over a three-to-five-year horizon.

Galway Sustainable Credit invests in companies, projects, and assets that promote environmental and social resilience through locally-based solutions, building platforms that use resources more efficiently. It accelerates the deployment of sustainable solutions worldwide, focusing on energy transition, environmental sustainability, economic inclusion, and shared opportunity. Its investments save energy, reduce greenhouse gas emissions, increase resilience, and expand opportunity.

EPIC Investment Partners is a private equity and venture capital firm that pursues direct investments and fund of funds opportunities, including venture debt and distressed assets. It focuses on emerging growth and mid-market companies, aiming to take controlling or substantial minority stakes and often acting as a lead investor. The firm operates across multiple sectors but has a stated focus on consumer and retail, financial services, manufacturing, engineering, media and support services, including education, healthcare and social housing, consumer products, and business software and analytics as a service. It generally invests in the United Kingdom, with investment sizes typically ranging from £1 million to £10 million and a capacity to lead deals up to about £30 million in businesses with sales roughly between £50 million and £500 million. Founded in 2001, EPIC is headquartered in London and maintains offices in Dublin, Guernsey, and India to cover broader markets.

Integer.pl Group is a leading private postal group in Europe that has rapidly expanded its InPost parcel locker network across numerous countries worldwide. Within three years, the company deployed its locker technology in Australia, Chile, Great Britain, Italy, Ireland, Iceland, Lithuania, Latvia, Ukraine, Estonia, Poland, Russia, Saudi Arabia, Cyprus, Slovakia, Czech Republic, Colombia, Costa Rica, El Salvador, and Guatemala. The service has earned high customer satisfaction, reflected in a Net Promoter Score of 89% as of February 2019, and has received several industry awards, including the World Mail Awards 2013, Retail Innovation of the Year 2013, and Delivery Innovation Excellence UK 2014. Integer.pl Group continues to build a strong global footprint in the logistics sector through its innovative locker solutions.

Braveheart Investment Group is a United Kingdom-based venture capital and private equity firm founded in 1997. It focuses on funding unquoted early- to growth-stage companies in technology, mobile, manufacturing, retail, financial services, and industrial sectors across the United Kingdom and Ireland, often taking minority stakes and seeking board involvement. The firm typically invests small to mid-sized rounds, ranging from around £0.01 million to £10 million, and can participate in larger syndicates. Investments usually span seed through expansion phases with a typical holding period of two to five years. Braveheart also provides advisory services and maintains offices in Barnsley and London, with broader European and Asian activity through its network.

Selenean Capital is a Dublin-based venture capital firm founded in 2022 that invests in artificial intelligence, blockchain, the Internet of Things, and other technology sectors.

Laidlaw Scholars Ventures is a London-based venture capital firm established in 2021 that provides equity financing to start-ups across the United Kingdom, Ireland, and the United States, with an emphasis on business-to-business technology, software-as-a-service, sustainable energy, and media sectors, and it also invests in ventures founded and run by Laidlaw Scholars.

GrayBella Capital is a European venture capital firm that backs technology and healthcare companies across health tech, life sciences, and complex tech sectors. It engages in seed through growth-stage investments, typically leading or co-leading rounds and maintaining active board involvement. The firm concentrates on Europe, including the UK, Ireland, Spain and Portugal, the Nordics, Baltics, and CEE, with typical equity checks in the €3–8 million range. It operates from multiple offices in Europe and North America and pursues pan-European opportunities.

General Catalyst is a venture capital firm founded in 2000 that provides early-stage and growth equity investments in technology companies. It supports portfolio companies with momentum and mentorship to accelerate growth toward long-term success and typically engages across seed to growth stages, potentially taking minority or majority stakes. The firm targets a broad range of sectors enabled by software and technology, including consumer, enterprise, fintech, crypto, healthcare IT, and related areas, and maintains a multi-region presence with offices in North America and Europe to back companies as they scale globally.