S3 Ventures

S3 Ventures, established in 2007, is a venture capital firm headquartered in Austin, Texas, with an additional office in Houston. The company specializes in Series A to C investments, focusing on early to growth-stage companies in the technology and healthcare sectors, particularly business technology, digital experiences, and healthcare technology. S3 Ventures typically invests between $10 million to $20 million per equity transaction, providing patient capital and substantial resources to support visionary entrepreneurs in building high-impact companies. The firm's investment strategy emphasizes the Southwestern United States, with a particular focus on Texas and Austin. S3 Ventures aims to exit its investments through acquisitions or initial public offerings (IPOs).

Rajiv Bala

Principal

Nicole Bentz

Vice President

Joe Curry

Principal

Eric Engineer

Venture Partner

Carolyn Houren

Senior Associate

Sarah Morgan

Vice President

Aaron Perman

Partner

Charlie Plauche

Partner

Katie Wallis

Investment Associate

Past deals in Austin, TX

VUV Analytics

Venture Round in 2023
VUV Analytics, Inc. specializes in the manufacture and marketing of vacuum ultraviolet (VUV) detectors, which enhance chemical analysis accuracy through advanced spectroscopy techniques. Established in 2009 as a spin-off from a semiconductor equipment company, VUV Analytics leverages the expertise of its founders, who possess extensive knowledge in hardware, software, analysis, and intellectual property related to VUV technologies. The company offers products such as the VGA-100, a VUV absorption spectroscopy instrument, and gas chromatography detectors, which are utilized for both identification and quantification of various compounds. Its technology finds applications across multiple industries, including petroleum and natural gas, environmental science, petrochemicals, agrochemicals, and food and beverage safety. VUV Analytics is headquartered in Cedar Park, Texas, and has developed a substantial intellectual property portfolio, including numerous issued and pending patents.

Sudozi

Seed Round in 2022
Sudozi is a spend optimization software company based in Austin, Texas, founded in 2020. The platform provides real-time tracking and collaboration tools for budget management and vendor management workflows. It enables businesses to manage purchase requests and vendor-related information while automating spending processes, regardless of the payment method used. By organizing vendor relationship data and facilitating budget oversight, Sudozi empowers organizations to make informed decisions and optimize their spending effectively.

UpEquity

Series B in 2021
UpEquity is a technology-driven mortgage platform that simplifies the home buying process. Founded in 2019 by Tim Herman and Louis Wilson while they were students at Harvard Business School, the company is headquartered in Austin, Texas. UpEquity offers services such as mortgage and refinance, enabling users to upload documents for pre-approval through its online portal. The platform combines free cash offers, automated underwriting, and competitive mortgage rates to facilitate quick offers and closings, making it accessible even for first-time homebuyers. By streamlining the application and approval process, UpEquity aims to democratize access to the housing market and enhance the overall home buying experience.

Interplay Learning

Series B in 2021
Interplay Learning Inc. is an education technology company based in Austin, Texas, that specializes in online training solutions utilizing 3D simulations and virtual reality. Founded in 2010, the company focuses on enhancing career skills and technical aptitude for students and professionals across various industries. Interplay Learning offers a wide range of training courses, including HVAC, electrical, energy auditing, manufacturing, and construction codes. Its innovative platform combines interactive simulations, instructional videos, and procedural guides to create immersive learning experiences that improve understanding and application of complex concepts. The company serves a diverse clientele, including educational institutions, government agencies, and industry organizations, and also develops tailored training simulations for manufacturers to support their technician training needs globally.

Liveoak Technologies

Series A in 2019
LiveOak Technologies, Inc. is a software company based in Austin, Texas, that offers a cloud-based platform designed to streamline financial processes through real-time communication, collaboration, and eSignature capabilities. Established in 2015, the platform allows users to engage in video, audio, and text chat directly through a browser, facilitating collaboration among multiple participants. It also includes features for screen sharing, data and ID capture, and the secure storage of compliant information. The platform is tailored to enhance workflow efficiency by minimizing errors in complex digital transactions and paperwork, ultimately enabling users to provide superior service to their customers. LiveOak Technologies operates as a subsidiary of DocuSign, Inc.

Interplay Learning

Series A in 2019
Interplay Learning Inc. is an education technology company based in Austin, Texas, that specializes in online training solutions utilizing 3D simulations and virtual reality. Founded in 2010, the company focuses on enhancing career skills and technical aptitude for students and professionals across various industries. Interplay Learning offers a wide range of training courses, including HVAC, electrical, energy auditing, manufacturing, and construction codes. Its innovative platform combines interactive simulations, instructional videos, and procedural guides to create immersive learning experiences that improve understanding and application of complex concepts. The company serves a diverse clientele, including educational institutions, government agencies, and industry organizations, and also develops tailored training simulations for manufacturers to support their technician training needs globally.

OutboundEngine

Series C in 2018
OutboundEngine, Inc. is a marketing technology company based in Austin, Texas, that specializes in providing marketing automation solutions for small and midsize businesses across various sectors, including real estate, finance, insurance, and wellness. Founded in 2010, the company offers a cloud-based platform that simplifies online marketing by automating email campaigns, social media postings, and online review collection. This platform, known as The OutboundEngine Platform, enables clients to deliver personalized marketing content efficiently and effectively. In addition to its core offerings, OutboundEngine provides a tool called Harmony, which facilitates unified marketing across franchise and agent networks. The company has established itself as a leader in the marketing automation space, serving over 10,000 customers and earning recognition as a top workplace in Austin.

VUV Analytics

Series B in 2016
VUV Analytics, Inc. specializes in the manufacture and marketing of vacuum ultraviolet (VUV) detectors, which enhance chemical analysis accuracy through advanced spectroscopy techniques. Established in 2009 as a spin-off from a semiconductor equipment company, VUV Analytics leverages the expertise of its founders, who possess extensive knowledge in hardware, software, analysis, and intellectual property related to VUV technologies. The company offers products such as the VGA-100, a VUV absorption spectroscopy instrument, and gas chromatography detectors, which are utilized for both identification and quantification of various compounds. Its technology finds applications across multiple industries, including petroleum and natural gas, environmental science, petrochemicals, agrochemicals, and food and beverage safety. VUV Analytics is headquartered in Cedar Park, Texas, and has developed a substantial intellectual property portfolio, including numerous issued and pending patents.

OutboundEngine

Series C in 2016
OutboundEngine, Inc. is a marketing technology company based in Austin, Texas, that specializes in providing marketing automation solutions for small and midsize businesses across various sectors, including real estate, finance, insurance, and wellness. Founded in 2010, the company offers a cloud-based platform that simplifies online marketing by automating email campaigns, social media postings, and online review collection. This platform, known as The OutboundEngine Platform, enables clients to deliver personalized marketing content efficiently and effectively. In addition to its core offerings, OutboundEngine provides a tool called Harmony, which facilitates unified marketing across franchise and agent networks. The company has established itself as a leader in the marketing automation space, serving over 10,000 customers and earning recognition as a top workplace in Austin.

VUV Analytics

Series A in 2015
VUV Analytics, Inc. specializes in the manufacture and marketing of vacuum ultraviolet (VUV) detectors, which enhance chemical analysis accuracy through advanced spectroscopy techniques. Established in 2009 as a spin-off from a semiconductor equipment company, VUV Analytics leverages the expertise of its founders, who possess extensive knowledge in hardware, software, analysis, and intellectual property related to VUV technologies. The company offers products such as the VGA-100, a VUV absorption spectroscopy instrument, and gas chromatography detectors, which are utilized for both identification and quantification of various compounds. Its technology finds applications across multiple industries, including petroleum and natural gas, environmental science, petrochemicals, agrochemicals, and food and beverage safety. VUV Analytics is headquartered in Cedar Park, Texas, and has developed a substantial intellectual property portfolio, including numerous issued and pending patents.

VUV Analytics

Series A in 2014
VUV Analytics, Inc. specializes in the manufacture and marketing of vacuum ultraviolet (VUV) detectors, which enhance chemical analysis accuracy through advanced spectroscopy techniques. Established in 2009 as a spin-off from a semiconductor equipment company, VUV Analytics leverages the expertise of its founders, who possess extensive knowledge in hardware, software, analysis, and intellectual property related to VUV technologies. The company offers products such as the VGA-100, a VUV absorption spectroscopy instrument, and gas chromatography detectors, which are utilized for both identification and quantification of various compounds. Its technology finds applications across multiple industries, including petroleum and natural gas, environmental science, petrochemicals, agrochemicals, and food and beverage safety. VUV Analytics is headquartered in Cedar Park, Texas, and has developed a substantial intellectual property portfolio, including numerous issued and pending patents.

Callvine

Series A in 2010
Callvine, Inc., based in Austin, Texas, specializes in mobile unified communications, providing applications and services for iPhones and other mobile devices. Founded in 2010, the company offers an instant group call and text application that allows users to communicate with multiple people simultaneously through voice calls and group messaging. Its flagship product, the HD Voice Conferencing app, features free, high-definition audio conferencing over Wi-Fi, reservation-less dial-in numbers, and a live call control dashboard. Callvine aims to enhance collaboration for small businesses, telecommuters, and mobile professionals by continually developing its mobile applications and services. The company is led by a team of experienced entrepreneurs and software engineers dedicated to improving communication solutions.
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