Spark Capital

Founded in 2005, Spark Capital is a venture capital firm that invests across various sectors and stages. Known for embracing risk, the firm supports founders of exceptional products to achieve success on their own terms. Notable investments include Twitter, Discord, Cruise, Niantic, Oculus, Warby Parker, and Tumblr.

Coen Armstrong

Investor

Paul Conway

General Partner

Todd Dagres

Partner

Alex Finkelstein

General Partner

Clay Fisher

Investor

Past deals in London

9fin

Series B in 2024
9fin Limited is a London-based company founded in 2016 that specializes in developing artificial intelligence software designed to provide comprehensive financial data for the bond market, particularly focusing on high-yield bonds. The company offers a data analytics platform that utilizes computer vision and machine learning to facilitate the search, filtering, and analysis of financial information. By delivering real-time market news, deal monitoring, and price data presented in chart formats, 9fin supports professionals in finance, investment banking, and asset management in making informed investment decisions. Its tools foster collaboration among teams and assist users in assessing risks effectively, ultimately streamlining the decision-making process in the credit markets.

eToro

Venture Round in 2023
eToro is a multi-asset trading and investment platform that enables users to trade currencies, commodities, indices, crypto assets, and stocks, including derivatives related to underlying assets. It supports social trading through features that allow users to follow and copy the approaches of others. The platform serves a global community of investors and traders, offering access to markets and investment ideas. Founded in 2007 and based in London, the company focuses on making markets transparent and accessible for a broad user base.

9fin

Series A in 2022
9fin Limited is a London-based company founded in 2016 that specializes in developing artificial intelligence software designed to provide comprehensive financial data for the bond market, particularly focusing on high-yield bonds. The company offers a data analytics platform that utilizes computer vision and machine learning to facilitate the search, filtering, and analysis of financial information. By delivering real-time market news, deal monitoring, and price data presented in chart formats, 9fin supports professionals in finance, investment banking, and asset management in making informed investment decisions. Its tools foster collaboration among teams and assist users in assessing risks effectively, ultimately streamlining the decision-making process in the credit markets.

Tray.io

Series C in 2022
Tray.io, Inc. is a technology company that specializes in providing a cloud-based API integration platform designed for enterprises. Founded in 2012 and headquartered in San Francisco, California, with an additional office in London, the company offers the Tray Platform, which empowers citizen automators within organizations to streamline complex processes and integrate their entire cloud stack. This platform connects to any software with an API, including both REST and SOAP-based APIs, and can process CSV files for applications with limited API support. Tray.io features a visual workflow builder that allows users to create automations without the need for coding, making it accessible for a broader range of users. In addition to its software offerings, the company provides guidance, training, support, and consulting services to help organizations maximize their automation efforts.

Capitolis

Series D in 2022
Capitolis develops an online SaaS platform that connects global banks with institutional investors. Its technology enhances the efficiency of capital markets by facilitating seamless transactions, improving access to diversified capital, and optimizing risk management.

Capitolis

Series C in 2021
Capitolis develops an online SaaS platform that connects global banks with institutional investors. Its technology enhances the efficiency of capital markets by facilitating seamless transactions, improving access to diversified capital, and optimizing risk management.

eToro

Venture Round in 2021
eToro is a multi-asset trading and investment platform that enables users to trade currencies, commodities, indices, crypto assets, and stocks, including derivatives related to underlying assets. It supports social trading through features that allow users to follow and copy the approaches of others. The platform serves a global community of investors and traders, offering access to markets and investment ideas. Founded in 2007 and based in London, the company focuses on making markets transparent and accessible for a broad user base.

Liquidity Group

Series A in 2020
Liquidity Group is a New York City based lending and financing firm that uses artificial intelligence and decision science to provide growth capital to mid-market and late-stage companies. It offers growth credit, term loans for expansion, revolving credit lines for working capital, and acquisition financing across technology, e-commerce, retail, information technology, and life sciences sectors, with a focus on rapid capital deployment and long-term client relationships.

Stack Overflow

Series E in 2020
Stack Overflow is a company that operates an online platform and community for developers to learn, ask, and share programming knowledge. It offers complementary products including Stack Overflow for Teams, a knowledge-management platform for mission-critical information; Stack Overflow for Talent and Jobs, a hiring and employer-branding solution for technology teams; Stack Overflow Advertising for product promotion; and Stack Overflow Enterprise, a private, centralized space for large teams to collaborate and access critical company information. The platform also supports private knowledge sharing and helps developers solve coding problems as well as discover job opportunities, contributing to both individual learning and organizational efficiency.

Outreach

Series F in 2020
Outreach is a sales engagement platform that helps organizations manage and optimize interactions across email, voice, and social channels throughout the customer lifecycle. The platform uses machine learning to guide sales representatives to take the right actions, automate repetitive tasks, and personalize communications while tracking sales activity and performance. It supports account-based, outbound, and inbound sales, as well as sequence and task management, email and activity tracking, and insights that analyze buyer sentiment to optimize content and sequences in real time. By integrating automated alerts, collaboration features, and performance analytics, Outreach aims to increase the volume of qualified meetings and improve the efficiency and effectiveness of customer-facing teams.

Tray.io

Series C in 2019
Tray.io, Inc. is a technology company that specializes in providing a cloud-based API integration platform designed for enterprises. Founded in 2012 and headquartered in San Francisco, California, with an additional office in London, the company offers the Tray Platform, which empowers citizen automators within organizations to streamline complex processes and integrate their entire cloud stack. This platform connects to any software with an API, including both REST and SOAP-based APIs, and can process CSV files for applications with limited API support. Tray.io features a visual workflow builder that allows users to create automations without the need for coding, making it accessible for a broader range of users. In addition to its software offerings, the company provides guidance, training, support, and consulting services to help organizations maximize their automation efforts.

Capitolis

Series B in 2019
Capitolis develops an online SaaS platform that connects global banks with institutional investors. Its technology enhances the efficiency of capital markets by facilitating seamless transactions, improving access to diversified capital, and optimizing risk management.

Cybereason

Series E in 2019
Cybereason is a cybersecurity company that provides an endpoint protection and response platform designed to detect, block, investigate, and respond to advanced cyber threats. Its platform combines modules such as Deep Detect & Respond, Deep Prevent, Deep Investigate, Deep Respond, and an anti-ransomware tool called RansomFree. The system uses an automated in-memory graph to identify behavioral patterns across endpoints and reveal the full attack campaign, enabling rapid root-cause analysis and shutdown of threats. The company also offers monitoring, investigation, hunting, analysis, deployment, and training services. Cybereason was founded in 2012 and is based in Boston, with offices in London, Tel Aviv, Tokyo, and Sydney.

Marqeta

Series E in 2019
Marqeta operates a modern card issuing and payment processing platform that enables businesses to create customized payment solutions using open APIs. Founded in 2010 and headquartered in Oakland, California, with an additional office in London, Marqeta's platform allows users to build, issue, and manage digital, physical, and tokenized payment cards. The company provides a range of services including virtual cards, real-time fund transfers, spend controls, and data analytics solutions. Marqeta serves various industries such as e-commerce, lending, on-demand services, and digital banking by offering flexible and scalable payment infrastructure. It is certified to operate in 40 countries globally.

Tray.io

Series B in 2019
Tray.io, Inc. is a technology company that specializes in providing a cloud-based API integration platform designed for enterprises. Founded in 2012 and headquartered in San Francisco, California, with an additional office in London, the company offers the Tray Platform, which empowers citizen automators within organizations to streamline complex processes and integrate their entire cloud stack. This platform connects to any software with an API, including both REST and SOAP-based APIs, and can process CSV files for applications with limited API support. Tray.io features a visual workflow builder that allows users to create automations without the need for coding, making it accessible for a broader range of users. In addition to its software offerings, the company provides guidance, training, support, and consulting services to help organizations maximize their automation efforts.

Outreach

Series E in 2019
Outreach is a sales engagement platform that helps organizations manage and optimize interactions across email, voice, and social channels throughout the customer lifecycle. The platform uses machine learning to guide sales representatives to take the right actions, automate repetitive tasks, and personalize communications while tracking sales activity and performance. It supports account-based, outbound, and inbound sales, as well as sequence and task management, email and activity tracking, and insights that analyze buyer sentiment to optimize content and sequences in real time. By integrating automated alerts, collaboration features, and performance analytics, Outreach aims to increase the volume of qualified meetings and improve the efficiency and effectiveness of customer-facing teams.

Braze

Series E in 2018
Braze is a customer engagement platform that helps brands deliver relevant, human experiences across channels. It offers a mobile marketing automation and customer relationship management solution with AI-powered tools for engagement orchestration, including messaging, chatbots, and content management, plus campaign optimization insights, data analysis, and segment analytics. The platform enables cross-channel personalization across mobile, email, web, television, and connected devices, and provides data security, data warehousing and streaming capabilities. Braze uses AI to power functionality across its stack. Founded in 2011 and headquartered in New York, it has offices in London, San Francisco, Chicago, and Singapore. Braze serves industries such as retail and e-commerce, media and entertainment, financial services, and travel and hospitality, focusing on timely, contextually relevant interactions between consumers and brands.

Outreach

Series D in 2018
Outreach is a sales engagement platform that helps organizations manage and optimize interactions across email, voice, and social channels throughout the customer lifecycle. The platform uses machine learning to guide sales representatives to take the right actions, automate repetitive tasks, and personalize communications while tracking sales activity and performance. It supports account-based, outbound, and inbound sales, as well as sequence and task management, email and activity tracking, and insights that analyze buyer sentiment to optimize content and sequences in real time. By integrating automated alerts, collaboration features, and performance analytics, Outreach aims to increase the volume of qualified meetings and improve the efficiency and effectiveness of customer-facing teams.

Sourcepoint

Series B in 2017
Sourcepoint provides a privacy software platform for publishers and advertisers to manage consent and compliance across dynamic consumer touchpoints. The platform automates privacy workflows to help clients obtain privacy law compliant consent, communicate with users of ad blockers, and test monetization approaches. It also operates a content compensation platform that helps publishers quantify monetization challenges and offer consumers more ways to support the content they enjoy. The company serves enterprise clients with privacy automation and related consultative services to enable compliant data use and revenue experimentation. Founded in 2015, Sourcepoint is headquartered in New York, with offices in London and Berlin.

Foursquare

Series E in 2016
Foursquare Labs, Inc. is a location technology platform that provides a range of business solutions and consumer products focused on leveraging location intelligence. Founded in 2009 and headquartered in New York City, with additional offices in San Francisco and London, Foursquare offers tools such as Pinpoint for data-driven media planning, Placed for offline attribution, and the Pilgrim SDK for integrating location awareness into mobile applications. Its services also include Places, which provides access to detailed firmographic data and community-generated content on businesses worldwide, as well as analytics solutions that offer insights into consumer behavior and competitive dynamics. Foursquare's consumer apps, Foursquare and Swarm, enable users to track and share their favorite locations, while City Guide helps users discover the best places to visit in various cities. Overall, Foursquare's platform empowers brands to analyze customer trends, optimize advertising strategies, and enhance user engagement through advanced location-based insights.

Cybereason

Series C in 2015
Cybereason is a cybersecurity company that provides an endpoint protection and response platform designed to detect, block, investigate, and respond to advanced cyber threats. Its platform combines modules such as Deep Detect & Respond, Deep Prevent, Deep Investigate, Deep Respond, and an anti-ransomware tool called RansomFree. The system uses an automated in-memory graph to identify behavioral patterns across endpoints and reveal the full attack campaign, enabling rapid root-cause analysis and shutdown of threats. The company also offers monitoring, investigation, hunting, analysis, deployment, and training services. Cybereason was founded in 2012 and is based in Boston, with offices in London, Tel Aviv, Tokyo, and Sydney.

Sourcepoint

Series A in 2015
Sourcepoint provides a privacy software platform for publishers and advertisers to manage consent and compliance across dynamic consumer touchpoints. The platform automates privacy workflows to help clients obtain privacy law compliant consent, communicate with users of ad blockers, and test monetization approaches. It also operates a content compensation platform that helps publishers quantify monetization challenges and offer consumers more ways to support the content they enjoy. The company serves enterprise clients with privacy automation and related consultative services to enable compliant data use and revenue experimentation. Founded in 2015, Sourcepoint is headquartered in New York, with offices in London and Berlin.

Cybereason

Series B in 2015
Cybereason is a cybersecurity company that provides an endpoint protection and response platform designed to detect, block, investigate, and respond to advanced cyber threats. Its platform combines modules such as Deep Detect & Respond, Deep Prevent, Deep Investigate, Deep Respond, and an anti-ransomware tool called RansomFree. The system uses an automated in-memory graph to identify behavioral patterns across endpoints and reveal the full attack campaign, enabling rapid root-cause analysis and shutdown of threats. The company also offers monitoring, investigation, hunting, analysis, deployment, and training services. Cybereason was founded in 2012 and is based in Boston, with offices in London, Tel Aviv, Tokyo, and Sydney.

Stack Overflow

Series D in 2015
Stack Overflow is a company that operates an online platform and community for developers to learn, ask, and share programming knowledge. It offers complementary products including Stack Overflow for Teams, a knowledge-management platform for mission-critical information; Stack Overflow for Talent and Jobs, a hiring and employer-branding solution for technology teams; Stack Overflow Advertising for product promotion; and Stack Overflow Enterprise, a private, centralized space for large teams to collaborate and access critical company information. The platform also supports private knowledge sharing and helps developers solve coding problems as well as discover job opportunities, contributing to both individual learning and organizational efficiency.

Covestor

Series B in 2013
Covestor, established in 2008 and headquartered in Boston, Massachusetts, with an additional office in London, operates as a registered investment adviser. It specializes in an online investment marketplace, connecting self-directed investors with skilled portfolio managers, hedge funds, and money managers. Covestor's platform offers a range of investment advisory services, including active and passive investing solutions, and provides access to institutional-style strategies. Its proprietary Portfolio Sync technology facilitates automatic trade replication, ensuring convenience and protection for clients. Covestor is recognized for pioneering the online marketplace for separately managed accounts (SMAs).

Foursquare

Debt Financing in 2013
Foursquare Labs, Inc. is a location technology platform that provides a range of business solutions and consumer products focused on leveraging location intelligence. Founded in 2009 and headquartered in New York City, with additional offices in San Francisco and London, Foursquare offers tools such as Pinpoint for data-driven media planning, Placed for offline attribution, and the Pilgrim SDK for integrating location awareness into mobile applications. Its services also include Places, which provides access to detailed firmographic data and community-generated content on businesses worldwide, as well as analytics solutions that offer insights into consumer behavior and competitive dynamics. Foursquare's consumer apps, Foursquare and Swarm, enable users to track and share their favorite locations, while City Guide helps users discover the best places to visit in various cities. Overall, Foursquare's platform empowers brands to analyze customer trends, optimize advertising strategies, and enhance user engagement through advanced location-based insights.

eToro

Venture Round in 2012
eToro is a multi-asset trading and investment platform that enables users to trade currencies, commodities, indices, crypto assets, and stocks, including derivatives related to underlying assets. It supports social trading through features that allow users to follow and copy the approaches of others. The platform serves a global community of investors and traders, offering access to markets and investment ideas. Founded in 2007 and based in London, the company focuses on making markets transparent and accessible for a broad user base.

Foursquare

Series C in 2011
Foursquare Labs, Inc. is a location technology platform that provides a range of business solutions and consumer products focused on leveraging location intelligence. Founded in 2009 and headquartered in New York City, with additional offices in San Francisco and London, Foursquare offers tools such as Pinpoint for data-driven media planning, Placed for offline attribution, and the Pilgrim SDK for integrating location awareness into mobile applications. Its services also include Places, which provides access to detailed firmographic data and community-generated content on businesses worldwide, as well as analytics solutions that offer insights into consumer behavior and competitive dynamics. Foursquare's consumer apps, Foursquare and Swarm, enable users to track and share their favorite locations, while City Guide helps users discover the best places to visit in various cities. Overall, Foursquare's platform empowers brands to analyze customer trends, optimize advertising strategies, and enhance user engagement through advanced location-based insights.

Stack Overflow

Series B in 2011
Stack Overflow is a company that operates an online platform and community for developers to learn, ask, and share programming knowledge. It offers complementary products including Stack Overflow for Teams, a knowledge-management platform for mission-critical information; Stack Overflow for Talent and Jobs, a hiring and employer-branding solution for technology teams; Stack Overflow Advertising for product promotion; and Stack Overflow Enterprise, a private, centralized space for large teams to collaborate and access critical company information. The platform also supports private knowledge sharing and helps developers solve coding problems as well as discover job opportunities, contributing to both individual learning and organizational efficiency.

eToro

Venture Round in 2011
eToro is a multi-asset trading and investment platform that enables users to trade currencies, commodities, indices, crypto assets, and stocks, including derivatives related to underlying assets. It supports social trading through features that allow users to follow and copy the approaches of others. The platform serves a global community of investors and traders, offering access to markets and investment ideas. Founded in 2007 and based in London, the company focuses on making markets transparent and accessible for a broad user base.

Frontier Strategy Group

Venture Round in 2010
Frontier Strategy Group is a provider of strategic market intelligence and analyst advisory services, focusing on helping multinational corporations excel in emerging markets. Based in Washington, D.C., with regional offices in London, Singapore, and Miami, the company leverages a combination of data, insights, and analytical tools to support essential business activities such as strategic planning, commercial execution, and market monitoring. Frontier Strategy Group serves over 200 leading global firms, offering continuous access to vital data and custom engagements tailored to meet clients' urgent business needs. The organization prides itself on fostering a diverse and innovative work environment, attracting talented individuals committed to delivering exceptional results and enhancing client satisfaction.

Covestor

Series A in 2008
Covestor, established in 2008 and headquartered in Boston, Massachusetts, with an additional office in London, operates as a registered investment adviser. It specializes in an online investment marketplace, connecting self-directed investors with skilled portfolio managers, hedge funds, and money managers. Covestor's platform offers a range of investment advisory services, including active and passive investing solutions, and provides access to institutional-style strategies. Its proprietary Portfolio Sync technology facilitates automatic trade replication, ensuring convenience and protection for clients. Covestor is recognized for pioneering the online marketplace for separately managed accounts (SMAs).

Liquidity Group

Liquidity Group is a New York City based lending and financing firm that uses artificial intelligence and decision science to provide growth capital to mid-market and late-stage companies. It offers growth credit, term loans for expansion, revolving credit lines for working capital, and acquisition financing across technology, e-commerce, retail, information technology, and life sciences sectors, with a focus on rapid capital deployment and long-term client relationships.
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