Sustainable Resource Ventures

Sustainable Resource Ventures (SRV) focuses on investing in early- and seed-stage for-profit companies that prioritize social and environmental benefits alongside financial returns. The firm is also responsible for managing the Patient Capital Collaborative series of venture capital funds for Investor's Circle, which is a global network of socially responsible angel investors. This dual approach ensures that SRV supports innovative businesses while promoting sustainable practices and positive societal impact.

Thomas M. Balderston

Managing Principal

12 past transactions

Fixer

Venture Round in 2022
Fixer is a home maintenance service that simplifies the repair process for homeowners by allowing them to book skilled professionals for various tasks. Customers can quickly confirm the hourly rate, estimate, and scheduling online, ensuring a hassle-free experience. The company offers a wide range of services, including plumbing, electrical work, painting, wall repairs, mounting, and furniture assembly, often completing multiple tasks in a single visit. Additionally, Fixer is dedicated to social responsibility, focusing on training and certifying individuals for sustainable careers in home repair and building trades. This commitment enhances the quality of service while contributing to the development of a skilled workforce.

NurseDash

Venture Round in 2021
NurseDash, founded in Houston, Texas, addresses the staffing challenges in healthcare by offering a technology-driven application that connects qualified nurses with medical facilities in Texas and Ohio. The platform enables healthcare providers to post available shifts, facilitating a direct match with nurses seeking flexible work opportunities. It streamlines the hiring process by incorporating a compliance system that includes background checks and monitoring of credentials and licenses, ensuring that only qualified professionals are assigned to facilities. This innovative approach allows nurses to apply for shifts and receive automatic payments, while hospitals benefit from temporary staffing solutions that help reduce costs.

Scanifly

Seed Round in 2020
Scanifly specializes in drone-based 3D modeling software aimed at enhancing the solar workflow. The company's platform automates and centralizes various manual tasks, allowing solar companies to create three-dimensional simulations of solar arrays, conduct shading analysis, and generate tailored proposals. This technology helps reduce costs, minimizes the need for site visits, and improves design accuracy and worker safety. By streamlining these processes, Scanifly enables solar companies to operate more efficiently in a competitive market.

Querium

Debt Financing in 2015
Querium Corporation is an educational technology company based in Austin, Texas, that specializes in developing a mobile learning software platform focused on teaching critical STEM skills. Founded in 2013, Querium offers a range of products, including StepWise, a personalized learning program for smartphones and computers, which provides bite-sized lessons and step-by-step tutoring assistance. Other offerings include solutions for math placement tests, Texas educational assessments, and workforce development programs that help individuals acquire fundamental math skills. The platform utilizes advanced simulation technology and an expert system designed to mimic the guidance of a master tutor, available 24/7 to support student learning. Querium's innovative approach aims to prepare students for college and enhance their problem-solving abilities in math, science, and engineering.

EnergySage

Series A in 2015
EnergySage, LLC is an online marketplace based in Boston, Massachusetts, specializing in solar and clean energy technologies for homeowners, businesses, and non-profits. Founded in 2009, the company provides a platform that offers educational resources and analytical tools, helping consumers identify and compare suitable clean energy solutions, including rooftop solar, battery storage, community solar, heat pumps, and electric vehicle charging. Through its service, EnergySage guides potential buyers in requesting and evaluating competitive quotes from pre-screened installers, facilitating a convenient and cost-effective shopping experience for clean energy products and services.

Pigeonly

Venture Round in 2014
Pigeonly, Inc. is a company that provides a platform focused on connecting individuals with incarcerated loved ones. Established in 2013 and based in Las Vegas, Nevada, Pigeonly offers services such as Fotopigeon, which allows users to send printed photos to inmates, and Telepigeon, a cost-effective solution for long-distance communication. The platform is designed to help users search for and identify inmates across various federal, state, and county penal systems, facilitating communication through smartphones, computers, and tablets. Pigeonly aims to address the needs of overlooked and underserved populations, making it easier for families and friends to maintain contact with incarcerated individuals.

DailyWorth

Series A in 2013
DailyWorth is a prominent financial media company focused on empowering women in their financial journeys. It offers a comprehensive platform that provides financial advisory services, publications, and resources covering various topics such as saving, investing, and retirement planning. By delivering relevant money-related advice, DailyWorth aims to educate and engage women, helping them enhance their financial knowledge and increase their net worth. The company's mission is to inspire women to seek greater financial independence and fulfillment in their lives.

Querium

Seed Round in 2013
Querium Corporation is an educational technology company based in Austin, Texas, that specializes in developing a mobile learning software platform focused on teaching critical STEM skills. Founded in 2013, Querium offers a range of products, including StepWise, a personalized learning program for smartphones and computers, which provides bite-sized lessons and step-by-step tutoring assistance. Other offerings include solutions for math placement tests, Texas educational assessments, and workforce development programs that help individuals acquire fundamental math skills. The platform utilizes advanced simulation technology and an expert system designed to mimic the guidance of a master tutor, available 24/7 to support student learning. Querium's innovative approach aims to prepare students for college and enhance their problem-solving abilities in math, science, and engineering.

Goalbook

Seed Round in 2012
Goalbook is a provider of a professional learning platform aimed at assisting educators in identifying learning barriers and developing effective instructional strategies. The platform features the Goalbook Toolkit and Goalbook Pathways, which offer instructional support and facilitate the design of multiple learning pathways. By integrating research-based strategies and model exemplars, Goalbook equips educators with the necessary tools and training to create specialized instruction tailored to meet the diverse needs of students. Through its services, Goalbook promotes universal design for learning, enabling educators to enhance the learning experience for all students.

Indow

Series A in 2012
Indow, based in Portland, Oregon, specializes in manufacturing interior window inserts that enhance energy efficiency and comfort in both residential and commercial buildings. These inserts effectively block drafts, reduce noise by up to 70%, and can lead to significant savings on heating and cooling costs. Unlike traditional window solutions, Indow's products are easy to install and remove, requiring no mounting brackets, making them a non-destructive option for improving underperforming windows. The company offers a range of insert grades tailored to various needs, including soundproofing and UV blocking. With nearly 1 billion single-pane windows in the U.S. alone, Indow targets homes built before 1950 and has identified a substantial addressable market worth over $12 billion. More than half of its revenue comes from customers seeking soundproofing solutions. Indow's unique approach combines aesthetics, performance, and ease of installation, setting it apart from competing window insulation products. The company is actively developing new product lines to further streamline customer ordering and expand its market reach.

Locus Energy

Seed Round in 2011
Locus Energy, LLC specializes in monitoring software and data analytics for solar photovoltaic systems across residential, commercial, and industrial sectors. Founded in 2007 and based in New York, with an additional office in San Francisco, the company provides data acquisition hardware that collects performance metrics from solar energy systems. Their offerings include a suite of web-based software tools such as Portfolio View, which aggregates generation data to identify underperforming systems; Client View, a portal for end users to track energy generation; and Virtual Irradiance, an assessment tool for solar PV performance. Locus Energy's technology platform enhances the management and transparency of installed systems, serving a diverse clientele that includes financiers, equipment manufacturers, utilities, energy consumers, and installation professionals. The company operates as a subsidiary of AlsoEnergy, Inc. since 2019.

Rivertop Renewables

Series A in 2008
Rivertop Renewables, Inc. specializes in producing chemicals derived from renewable plant sugars for a variety of consumer and industrial applications. The company offers a range of products, including glucaric acids and their derivatives, detergent builders for home care, corrosion inhibitors for road de-icing, and surfactants for fabric care. Additionally, it supplies inhibitors and acidifiers for the oil and gas industry, exfoliants for personal care, antioxidants for nutrition, and acidulants for the food and beverage sectors. Rivertop Renewables also develops plasticizers for concrete and corrosion inhibitors for water treatment. Founded in 2008 and based in Missoula, Montana, the company aims to provide sustainable, biodegradable, and non-toxic chemicals that are competitive in both price and performance across multiple industries.
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