Accel

Accel, established in 1983, is a prominent venture capital firm headquartered in Palo Alto, California, with additional offices in San Francisco, London, and Bangalore. The firm specializes in investing in early and growth-stage technology startups, focusing on sectors such as software, cloud technologies, consumer services, enterprise, healthcare, fintech, and security. Accel's portfolio includes notable companies like Atlassian, Facebook, Slack, and Spotify, reflecting its ability to identify and support entrepreneurs building businesses that drive next-generation industries.

Casey Aylward

Partner

Nir Blumberger

Venture Partner

Luca Bocchio

Partner

Katie Brown

Investor

Miles Clements

Partner

Adrian Colyer

Venture Partner

Ben Dooley

CFO

Peter Doyle

Investor

Christine Esserman

Partner

Ben Fletcher

Partner

Sameer Gandhi

Partner

Martin Gibson

Technology Investor

Graham Hutson

Investor

Sara Ittelson

Partner

Myrel Iturrey

Investor

Dinesh Katiyar

Partner

Richard Kotite

Vice President

Gagan Kumar

General Partner

John Locke

Partner

Zhenya Loginov

Partner

Steve Loughlin

Partner

Arun Mathew

Partner

Jonathan Mendelson

Investor

Gonzalo Mocorrea

Investor

Vasant Natarajan

Partner

Vas Natarajan

Partner

Nate Niparko

Partner

Maya Noeth

Partner

Rachit Parekh

Principal

Vijaysai Patnaik

Associate

Varun Purandare

Principal and Investor

Ben Quazzo

Investor, Venture and Growth

Rafael Quintanilla Loeillet

Early-Stage Investor

Tim Rawlinson

Investor - Growth

Matthew Robinson

Investor

Sagar Sanghvi

Partner

Tracy Sedlock

Chief Operating Partner

Jess Segal

Partner, Investor Relation

Ajay Sethi

Venture Partner

Manasi Shah

Vice President and Investment Team Member

Karan Shah

Investor

Sarthak Singh

Investor

Robert Sternberg

Investor

Diksha Sundarka

Investor

Prayank Swaroop

Partner

Charles Tananbaum

Investor

Humza Tariq

Investor

Jonathan Turner

Partner

Cecilia Wang

Vice President

Ivan Zhou

Partner

Past deals in Fraud Detection

Vega Security

Series A in 2025
Vega Security is a cybersecurity firm specializing in detecting cyberattacks. Operating discreetly, it offers services to help businesses identify and respond to potential threats in their digital environments.

Effectiv

Seed Round in 2023
Effectiv is an innovative fraud management platform tailored for financial institutions, specializing in fraud prevention solutions. The company has developed a platform that conducts initial assessments of transactions to identify potential fraudulent behavior. By leveraging artificial intelligence, Effectiv automates the fraud detection process during the onboarding of new users, ensuring the authenticity of credentials through comprehensive data analysis. This approach enables financial companies to effectively detect and manage fraud, reducing costs associated with fraudulent activities.

Cinder Technologies

Series A in 2022
Cinder Technologies operates a unified intelligence and investigation platform designed to support decision-making in fraud and risk management. This platform enables technology companies to effectively track, investigate, and address critical issues within online communities. By integrating various relevant data sources and centralizing decision-making processes, Cinder empowers trust and safety teams to make faster and more accurate decisions regarding abusive content, fraud, and threats. The customizable workflows provided by the platform enhance the capabilities of investigative teams, facilitating more effective resolutions to pressing challenges faced by organizations in the digital landscape.

Cinder Technologies

Seed Round in 2022
Cinder Technologies operates a unified intelligence and investigation platform designed to support decision-making in fraud and risk management. This platform enables technology companies to effectively track, investigate, and address critical issues within online communities. By integrating various relevant data sources and centralizing decision-making processes, Cinder empowers trust and safety teams to make faster and more accurate decisions regarding abusive content, fraud, and threats. The customizable workflows provided by the platform enhance the capabilities of investigative teams, facilitating more effective resolutions to pressing challenges faced by organizations in the digital landscape.

Effectiv

Seed Round in 2022
Effectiv is an innovative fraud management platform tailored for financial institutions, specializing in fraud prevention solutions. The company has developed a platform that conducts initial assessments of transactions to identify potential fraudulent behavior. By leveraging artificial intelligence, Effectiv automates the fraud detection process during the onboarding of new users, ensuring the authenticity of credentials through comprehensive data analysis. This approach enables financial companies to effectively detect and manage fraud, reducing costs associated with fraudulent activities.

Veriff

Series C in 2022
Veriff is an online identity verification company founded in 2015 and headquartered in Tallinn, Estonia. It provides a secure, automated platform designed to help businesses safeguard against online identity fraud. Utilizing advanced machine learning technologies alongside human oversight, Veriff enhances the verification process by quickly detecting fraudulent activity while also ensuring compliance with know your customer regulations. Its services encompass the verification of various identification documents such as driver’s licenses and passports across both web and mobile applications. By effectively connecting companies with trustworthy customers, Veriff contributes to stronger fraud prevention measures in the commercial sector.

Primer

Series B in 2021
Primer API Limited operates an online platform that consolidates fragmented payment ecosystems for e-commerce merchants and online payment facilitators. Founded in 2019 and based in London, the company provides solutions to optimize both front and backend payment flows, aiming to enhance authorization rates, minimize costs, and facilitate market expansion. Primer enables users to seamlessly connect with various third-party services, including payment service providers, fraud detection systems, and subscription billing engines. Its platform allows merchants to easily integrate new payment methods, streamline fraud mitigation, and implement sophisticated transaction routing without requiring coding skills. Through these capabilities, Primer enhances the overall commerce experience for customers and empowers businesses to improve their operational efficiency.

Tessian

Series C in 2021
Tessian Limited is a company that specializes in email security software designed to mitigate risks associated with human error and data loss. Founded in 2013 and headquartered in London, the company offers advanced solutions that leverage machine learning and artificial intelligence. Key products include CheckRecipient Guardian, which alerts users in real-time if emails are being sent to unintended recipients, and CheckRecipient RuleBuilder, which allows organizations to easily create and enforce email communication policies. The platform analyzes email networks to prevent sensitive information from being misdirected, thereby protecting clients in various sectors, including legal services, healthcare, investment banking, and technology. Tessian aims to enhance security while ensuring minimal disruption to employees' workflows, empowering them to work efficiently without compromising data integrity.

Shift Technology

Series D in 2021
Shift Technology specializes in providing AI-driven solutions tailored for the global insurance industry, focusing on decision automation and optimization throughout the insurance policy lifecycle. The company has developed a cloud-based platform that enhances the claims process by utilizing advanced fraud detection technology. By analyzing hundreds of millions of insurance transactions, Shift Technology helps insurers identify potential fraud, streamline claims processing, and improve overall operational efficiency. The effectiveness of its solutions has been recognized with awards, including Frost & Sullivan's Global Claims Solutions for Insurance Market Leadership Award in 2020.

Veriff

Series B in 2021
Veriff is an online identity verification company founded in 2015 and headquartered in Tallinn, Estonia. It provides a secure, automated platform designed to help businesses safeguard against online identity fraud. Utilizing advanced machine learning technologies alongside human oversight, Veriff enhances the verification process by quickly detecting fraudulent activity while also ensuring compliance with know your customer regulations. Its services encompass the verification of various identification documents such as driver’s licenses and passports across both web and mobile applications. By effectively connecting companies with trustworthy customers, Veriff contributes to stronger fraud prevention measures in the commercial sector.

Primer

Series A in 2020
Primer API Limited operates an online platform that consolidates fragmented payment ecosystems for e-commerce merchants and online payment facilitators. Founded in 2019 and based in London, the company provides solutions to optimize both front and backend payment flows, aiming to enhance authorization rates, minimize costs, and facilitate market expansion. Primer enables users to seamlessly connect with various third-party services, including payment service providers, fraud detection systems, and subscription billing engines. Its platform allows merchants to easily integrate new payment methods, streamline fraud mitigation, and implement sophisticated transaction routing without requiring coding skills. Through these capabilities, Primer enhances the overall commerce experience for customers and empowers businesses to improve their operational efficiency.

Truora

Seed Round in 2019
Truora, Inc. is a technology company that operates an online platform specializing in background checks and identity theft detection. Founded in 2018 and headquartered in San Francisco, California, with additional offices in Colombia, Mexico, and Brazil, Truora aims to simplify and automate digital interactions. Its platform utilizes advanced technologies such as optical character recognition for document validation, face recognition for real-time user verification, and identity management to streamline Know Your Customer processes. Truora serves a diverse clientele that includes national and international retailers, banks, human resource firms, startups, and marketplaces, helping them reduce risk and validate relationships with users, customers, employees, and suppliers.

Shift Technology

Series C in 2019
Shift Technology specializes in providing AI-driven solutions tailored for the global insurance industry, focusing on decision automation and optimization throughout the insurance policy lifecycle. The company has developed a cloud-based platform that enhances the claims process by utilizing advanced fraud detection technology. By analyzing hundreds of millions of insurance transactions, Shift Technology helps insurers identify potential fraud, streamline claims processing, and improve overall operational efficiency. The effectiveness of its solutions has been recognized with awards, including Frost & Sullivan's Global Claims Solutions for Insurance Market Leadership Award in 2020.

Tessian

Series B in 2019
Tessian Limited is a company that specializes in email security software designed to mitigate risks associated with human error and data loss. Founded in 2013 and headquartered in London, the company offers advanced solutions that leverage machine learning and artificial intelligence. Key products include CheckRecipient Guardian, which alerts users in real-time if emails are being sent to unintended recipients, and CheckRecipient RuleBuilder, which allows organizations to easily create and enforce email communication policies. The platform analyzes email networks to prevent sensitive information from being misdirected, thereby protecting clients in various sectors, including legal services, healthcare, investment banking, and technology. Tessian aims to enhance security while ensuring minimal disruption to employees' workflows, empowering them to work efficiently without compromising data integrity.

Tessian

Series A in 2018
Tessian Limited is a company that specializes in email security software designed to mitigate risks associated with human error and data loss. Founded in 2013 and headquartered in London, the company offers advanced solutions that leverage machine learning and artificial intelligence. Key products include CheckRecipient Guardian, which alerts users in real-time if emails are being sent to unintended recipients, and CheckRecipient RuleBuilder, which allows organizations to easily create and enforce email communication policies. The platform analyzes email networks to prevent sensitive information from being misdirected, thereby protecting clients in various sectors, including legal services, healthcare, investment banking, and technology. Tessian aims to enhance security while ensuring minimal disruption to employees' workflows, empowering them to work efficiently without compromising data integrity.

Simility

Series B in 2017
Simility, Inc. is a provider of real-time risk and fraud detection solutions designed for global businesses. Incorporated in 2014 and based in Palo Alto, California, the company specializes in addressing various types of fraud, including account takeover, new account fraud, wire fraud, and anti-money laundering. Its cloud-based platform leverages machine learning and big data analytics, allowing businesses to analyze data and detect fraud without requiring extensive coding knowledge. Simility's solutions cater to a diverse clientele, including banking and financial services, marketplaces, payment service providers, and e-commerce businesses. The company's innovative approach enables analysts to create and configure detection mechanisms easily, thereby enhancing the ability to combat sophisticated fraud schemes. As of 2018, Simility operates as a subsidiary of PayPal Holdings, Inc.

Shift Technology

Series B in 2017
Shift Technology specializes in providing AI-driven solutions tailored for the global insurance industry, focusing on decision automation and optimization throughout the insurance policy lifecycle. The company has developed a cloud-based platform that enhances the claims process by utilizing advanced fraud detection technology. By analyzing hundreds of millions of insurance transactions, Shift Technology helps insurers identify potential fraud, streamline claims processing, and improve overall operational efficiency. The effectiveness of its solutions has been recognized with awards, including Frost & Sullivan's Global Claims Solutions for Insurance Market Leadership Award in 2020.

Tessian

Seed Round in 2017
Tessian Limited is a company that specializes in email security software designed to mitigate risks associated with human error and data loss. Founded in 2013 and headquartered in London, the company offers advanced solutions that leverage machine learning and artificial intelligence. Key products include CheckRecipient Guardian, which alerts users in real-time if emails are being sent to unintended recipients, and CheckRecipient RuleBuilder, which allows organizations to easily create and enforce email communication policies. The platform analyzes email networks to prevent sensitive information from being misdirected, thereby protecting clients in various sectors, including legal services, healthcare, investment banking, and technology. Tessian aims to enhance security while ensuring minimal disruption to employees' workflows, empowering them to work efficiently without compromising data integrity.

Shift Technology

Series A in 2016
Shift Technology specializes in providing AI-driven solutions tailored for the global insurance industry, focusing on decision automation and optimization throughout the insurance policy lifecycle. The company has developed a cloud-based platform that enhances the claims process by utilizing advanced fraud detection technology. By analyzing hundreds of millions of insurance transactions, Shift Technology helps insurers identify potential fraud, streamline claims processing, and improve overall operational efficiency. The effectiveness of its solutions has been recognized with awards, including Frost & Sullivan's Global Claims Solutions for Insurance Market Leadership Award in 2020.

Simility

Seed Round in 2015
Simility, Inc. is a provider of real-time risk and fraud detection solutions designed for global businesses. Incorporated in 2014 and based in Palo Alto, California, the company specializes in addressing various types of fraud, including account takeover, new account fraud, wire fraud, and anti-money laundering. Its cloud-based platform leverages machine learning and big data analytics, allowing businesses to analyze data and detect fraud without requiring extensive coding knowledge. Simility's solutions cater to a diverse clientele, including banking and financial services, marketplaces, payment service providers, and e-commerce businesses. The company's innovative approach enables analysts to create and configure detection mechanisms easily, thereby enhancing the ability to combat sophisticated fraud schemes. As of 2018, Simility operates as a subsidiary of PayPal Holdings, Inc.

Shift Technology

Seed Round in 2014
Shift Technology specializes in providing AI-driven solutions tailored for the global insurance industry, focusing on decision automation and optimization throughout the insurance policy lifecycle. The company has developed a cloud-based platform that enhances the claims process by utilizing advanced fraud detection technology. By analyzing hundreds of millions of insurance transactions, Shift Technology helps insurers identify potential fraud, streamline claims processing, and improve overall operational efficiency. The effectiveness of its solutions has been recognized with awards, including Frost & Sullivan's Global Claims Solutions for Insurance Market Leadership Award in 2020.

Impermium

Seed Round in 2011
Impermium is a cybersecurity technology startup that specializes in protecting online platforms from cybercrime. The company offers a risk-evaluation platform designed to monitor the web in real-time, effectively addressing issues such as user-generated spam, account hacking, and fraudulent interactions. With a focus on enhancing account management, Impermium successfully identifies fraudulent registrations, compromised logins, and risky transactions. Its advanced technology employs a combination of machine learning, statistical anomaly detection, and a proprietary database of known malicious actors, enabling it to stop fraudulent user account registrations in real-time. Over its three-year history, Impermium has protected more than 1.5 million websites and processed over 8 billion transactions, serving many of the largest consumer Internet companies.

Arcot Systems

Series B in 2008
Arcot Systems, Inc. specializes in authentication and digital signing solutions aimed at protecting and verifying the digital identities of cardholders and merchants. Founded in 1997 and headquartered in Sunnyvale, California, with a technology center in Bangalore, India, the company offers a variety of services, including consumer portal protection, FFIEC compliance, identity management, Internet threat protection, SAFE biopharmaceutical compliance, and VPN authentication. Its key products include TransFort for Issuers and Merchants, RiskFort for real-time fraud prevention, WebFort and ArcotID for software-based authentication, A-OK On-Demand for secure authentication processes, and SignFort to streamline document signing and approval. Arcot Systems serves financial institutions, pharmaceutical companies, and e-commerce platforms, helping them combat online fraud and identity theft.

Arcot Systems

Venture Round in 2007
Arcot Systems, Inc. specializes in authentication and digital signing solutions aimed at protecting and verifying the digital identities of cardholders and merchants. Founded in 1997 and headquartered in Sunnyvale, California, with a technology center in Bangalore, India, the company offers a variety of services, including consumer portal protection, FFIEC compliance, identity management, Internet threat protection, SAFE biopharmaceutical compliance, and VPN authentication. Its key products include TransFort for Issuers and Merchants, RiskFort for real-time fraud prevention, WebFort and ArcotID for software-based authentication, A-OK On-Demand for secure authentication processes, and SignFort to streamline document signing and approval. Arcot Systems serves financial institutions, pharmaceutical companies, and e-commerce platforms, helping them combat online fraud and identity theft.

Arcot Systems

Series A in 2005
Arcot Systems, Inc. specializes in authentication and digital signing solutions aimed at protecting and verifying the digital identities of cardholders and merchants. Founded in 1997 and headquartered in Sunnyvale, California, with a technology center in Bangalore, India, the company offers a variety of services, including consumer portal protection, FFIEC compliance, identity management, Internet threat protection, SAFE biopharmaceutical compliance, and VPN authentication. Its key products include TransFort for Issuers and Merchants, RiskFort for real-time fraud prevention, WebFort and ArcotID for software-based authentication, A-OK On-Demand for secure authentication processes, and SignFort to streamline document signing and approval. Arcot Systems serves financial institutions, pharmaceutical companies, and e-commerce platforms, helping them combat online fraud and identity theft.

Arcot Systems

Venture Round in 2001
Arcot Systems, Inc. specializes in authentication and digital signing solutions aimed at protecting and verifying the digital identities of cardholders and merchants. Founded in 1997 and headquartered in Sunnyvale, California, with a technology center in Bangalore, India, the company offers a variety of services, including consumer portal protection, FFIEC compliance, identity management, Internet threat protection, SAFE biopharmaceutical compliance, and VPN authentication. Its key products include TransFort for Issuers and Merchants, RiskFort for real-time fraud prevention, WebFort and ArcotID for software-based authentication, A-OK On-Demand for secure authentication processes, and SignFort to streamline document signing and approval. Arcot Systems serves financial institutions, pharmaceutical companies, and e-commerce platforms, helping them combat online fraud and identity theft.

Arcot Systems

Venture Round in 2000
Arcot Systems, Inc. specializes in authentication and digital signing solutions aimed at protecting and verifying the digital identities of cardholders and merchants. Founded in 1997 and headquartered in Sunnyvale, California, with a technology center in Bangalore, India, the company offers a variety of services, including consumer portal protection, FFIEC compliance, identity management, Internet threat protection, SAFE biopharmaceutical compliance, and VPN authentication. Its key products include TransFort for Issuers and Merchants, RiskFort for real-time fraud prevention, WebFort and ArcotID for software-based authentication, A-OK On-Demand for secure authentication processes, and SignFort to streamline document signing and approval. Arcot Systems serves financial institutions, pharmaceutical companies, and e-commerce platforms, helping them combat online fraud and identity theft.
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