Golden Angels Investors

Golden Angels Investors is an angel investment group making investments in entrepreneurial ventures. The firm's members bring a track record of business success and a deep commitment to assisting entrepreneurs in building great companies. It leads opportunities directly as well as participates in opportunities led by other investors. Golden Angels Investors was established in 2002 and is headquartered in Brookfield, Wisconsin.

47 past transactions

Frontdesk

Series B in 2022
Frontdesk offers accommodations designed to meet contemporary living, working, and traveling needs. Operating in 35 U.S. markets with more than 1000 units across 150+ buildings, Frontdesk provides a home away from home to travelers, a sustainable renting model to facilities, and a positive and committed relationship with the communities. The company is committed to partnering with each stakeholder to ensure each experience with every guest, real estate partner, and local community is positive and enriching every time.

Immuto Scientific

Seed Round in 2021
Immuto Scientific is a biotechnology services company that provides analytical insights to pharmaceutical companies for drug discovery.

Resonado Labs

Seed Round in 2021
Resonado Labs develops innovative audio hardware solutions that deliver a wide spectrum of new possibilities for sound reproduction. We are on a mission to bring real innovation to the audio market, starting at the hardware level. We have developed audio hardware products ranging from miniaturized sub-woofer drivers for all-in-one integrated sound bars to long range sonic projection arrays capable of delivering a hyper directed sound beam audible at distances of over 1500m. With a core focus on transducer design and engineering, we are capable of high velocity innovation and development on a never ending quest to continually improve the acoustic performance of our products through endless experimentations with materials, motor structure architectures, industrial and system designs. We are pushing our proprietary transducer technology into new industries through both simulation engineering environments and rapid prototyping with physical materials on site at our Chicago headquarters and in conjunction with our commercial partners.

OnStation

Seed Round in 2021
OnStation builds an app that provides instant jobsite location, access to plans and design, and a team communication tool. It features an automatic station finder that empowers the user with the quickest and easiest way to know their location on the job. Their Station Finder feature can be converted to operate from the user's statewide milepost network. This allows OnStation to provide value on the numerous smaller jobs where survey data and project documents might be limited.

Abre

Seed Round in 2021
Abre.io develops an administration platform providing modern data solutions for K-12. It removes silos and ensures all stakeholders know how to turn analysis into action with impactful decision-making to support the whole child.

Fiveable

Venture Round in 2020
Fiveable is a social network platform for education that offers students learning through content, community, and courses. Fiveable is on a mission to create educational equity through social learning. The student-centered platform includes a robust content library, engaging community spaces on Hours, and interactive experiences that connect students who are learning the same thing at the same time.

Fiveable

Seed Round in 2020
Fiveable is a social network platform for education that offers students learning through content, community, and courses. Fiveable is on a mission to create educational equity through social learning. The student-centered platform includes a robust content library, engaging community spaces on Hours, and interactive experiences that connect students who are learning the same thing at the same time.

Curate

Venture Round in 2019
Curate is a civic intelligence company that empowers organizations to monitor risk and find opportunities in local government discussions at scale. Curate is leveraging artificial intelligence to change the way organizations engage with local government. Government relations professionals and construction industry leaders use Curate’s database and custom weekly reports to track projects, policies, and hot topics in thousands of municipalities across the U.S. Based in Madison, Wisconsin. It was founded in 2016 and is headquartered in Madison, Wisconsin.

EmOpti

Venture Round in 2018
EmOpti provides software, hardware, consulting, and telehealth solutions for optimizing emergency medicine. EmOpti partners with hospital systems and existing providers to help them deliver care in new ways resulting in improved performance metrics as well as delighted patients and staff. The team is comprised of experienced clinicians, logistics experts, health business analysts, and innovative software developers.

Alinea Engage

Seed Round in 2018
Alinea Engage is an online patient intake and engagement platform for physical therapy. The platform developed an extensible technology platform designed to strengthen and extend the continuum of care between healthcare providers and clients in multiple ambulatory care vertical markets. It unleashes the power of patient engagement to increase revenue for physical therapists, lower their costs, expand their capacity, and totally awe their patients. Alinea Engage increases efficiency, capacity, and profitability for providers while delivering an exceptional patient experience uniquely engaging patients and their families from first touchpoints to lifelong loyalty. It was founded in 2015 and is headquartered in Milwaukee, Wisconsin, United States.

EdSurge

Series B in 2018
EdSurge is the leading site for educators, entrepreneurs and investors involved in education technology. They help educators discover the best products for their students; they inspire developers to build what educators and learners need; they help investors understand the emerging market. EdSurge is regularly cited as the most influential brand for education technology news and information. EdSurge hosts the most comprehensive database of edtech products, companies, and topics online in addition to more traditional daily reporting of news in the education technology ecosystem. It also runs a vibrant jobs board for entrepreneurs and educators. Alongside its online presence, EdSurge hosts the San Francisco education technology meetup, a robust nationwide series of Summits, a high-profile awards program called the Digital Innovation in Learning Awards. It is also hosts a service called Edtech Concierge, designed to support education leaders in choosing tools. The organization itself is operated as a technology-journalism hybrid, employing equal parts technologists, educators and journalists. The company's goal is to promote the smart adoption of education technology through impartial reporting on products and news, research, online community building and services, events and tools. EdSurge is a venture-backed company that has also received grants from the Bill & Melinda Gates Foundation.

Realtime Brackets

Venture Round in 2018
Realtime Brackets (RTB) is a developer of real-time social sports games.

CNote

Angel Round in 2017
CNote is an investment platform that earns a better return while investing in the causes and communities that matters. CNote rewards great savers with alternative financial vehicles that earn more - safely and simply. Their first product, CNote Savings, helps good savers earn up to 2.5% annual return -- that's 35x more than a traditional savings account. The was founded in 2016 by two women with decades of experience working in finance, venture capital, and private equity. CNote is headquartered in Oakland, California.

Dynamis Software

Angel Round in 2017
Dynamis Software Corporation provides CDHC plan optimization tools for health insurance brokers. It offers Dynamic Plan Designer, which allows brokers to interactively evaluate plan options with employers. The company is based in Franklin, Wisconsin.

Extraordinary Re

Seed Round in 2017
Extraordinary Re is creating a new marketplace where insurance liabilities can be syndicated to investors and then reallocated between investors in real time. Our platform will unlock $20+ trillion of existing liabilities held on insurance company balance sheets, access new sources of reinsurance capacity that is expert in pricing and managing dynamic risks, create price discovery for liabilities that are difficult to value, and enable institutional investors to access diversifying and attractive sources of return. It is the next step in the evolution of insurance-linked securities.

Codaworx

Funding Round in 2017
Codaworx (formerly The Art Commission) is an online platform that connects artists who create commission projects to those individuals, organizations, and corporations seeking commissioned art. The Art Commission focuses marketing efforts on design and art professionals who represent clients looking for site-specific artwork, but the website is open to any art lover who wants to find artists for unique, one-of-a-kind projects. Through The Art Commission website, its Installments Newsletter and blog, the company champions the importance of design collaborations in bringing creativity and beauty into the places where we live and work.

Promentis Pharmaceuticals

Venture Round in 2016
Promentis Pharmaceuticals discovers, develops, and markets new drugs for the treatment of important human diseases, focusing initially on developing a new antipsychotic drug to treat schizophrenia. Promentis Pharmaceuticals was founded in 2006 and is based in Milwaukee, Wisconsin.

Bitsbox

Seed Round in 2016
Bitsbox is a provider of a monthly subscription box used to offer increasingly advanced projects that teach children to code. The company's subscription box provides monthly coding projects that teach gradeschoolers how to program application through a website, that runs on phones and tablets, enabling children to learn to code in a hassle free way. It teaches real coding with crazy fun projects that come in the mail every month. Bitsbox was established in 2014 and is headquartered in Boulder, Colorado.

AquaMost

Venture Round in 2016
AquaMost, a privately held corporation based in Madison, Wisconsin, is the developer of water treatment systems that kill bacteria without the addition of chemicals. The company’s patented SX Reactor platform is designed specifically for the oil and gas industry, and combines multiple bacteria killing forces, including onsite generation of chlorine and hydroxyl radicals, with UV irradiation to provide a 99%+ kill rate. AquaMost has deployed systems in Texas, Colorado, Utah, and Canada.

Page Vault

Series A in 2016
Page Vault enables legal professionals to easily capture web content for use as evidence in the U.S. courts. It is a cloud-based Software-as-a-Service subscription solution that provides a trusted third party chain of custody for captures with the simplicity of a screenshot. It was incorporated in 2013 and is based in Chicago, Illinois.

Dynamis Software

Funding Round in 2016
Dynamis Software Corporation provides CDHC plan optimization tools for health insurance brokers. It offers Dynamic Plan Designer, which allows brokers to interactively evaluate plan options with employers. The company is based in Franklin, Wisconsin.

UtilityAPI

Seed Round in 2015
UtilityAPI is a service that automatically collects utility bill and usage data from utility web portals. UtilityAPI is a mission-driven software company that enables standardized data transactions for the new energy economy. Hundreds of companies use this everyday for quote generation, feasibility analyses, and asset management, measurement, and verification. UtilityAPI is based in oakland, California.

Needls.com

Seed Round in 2015
The needls. ad platform allows businesses to automatically create, target and optimize digital ads across Facebook & Instagram. Needls. automatically determines the perfect target audience for these ads by monitoring social media conversations through its proprietary purchase intent engine.

Dock Technologies

Angel Round in 2015
Dock Technologies is a medical device company that helps acute care teams quickly navigate time-critical cases by providing a visual reminder of time elapsed with patient-worn bands.

EmOpti

Venture Round in 2015
EmOpti provides software, hardware, consulting, and telehealth solutions for optimizing emergency medicine. EmOpti partners with hospital systems and existing providers to help them deliver care in new ways resulting in improved performance metrics as well as delighted patients and staff. The team is comprised of experienced clinicians, logistics experts, health business analysts, and innovative software developers.

EmOpti

Seed Round in 2015
EmOpti provides software, hardware, consulting, and telehealth solutions for optimizing emergency medicine. EmOpti partners with hospital systems and existing providers to help them deliver care in new ways resulting in improved performance metrics as well as delighted patients and staff. The team is comprised of experienced clinicians, logistics experts, health business analysts, and innovative software developers.

AquaMost

Debt Financing in 2015
AquaMost, a privately held corporation based in Madison, Wisconsin, is the developer of water treatment systems that kill bacteria without the addition of chemicals. The company’s patented SX Reactor platform is designed specifically for the oil and gas industry, and combines multiple bacteria killing forces, including onsite generation of chlorine and hydroxyl radicals, with UV irradiation to provide a 99%+ kill rate. AquaMost has deployed systems in Texas, Colorado, Utah, and Canada.

Dynamis Software

Angel Round in 2014
Dynamis Software Corporation provides CDHC plan optimization tools for health insurance brokers. It offers Dynamic Plan Designer, which allows brokers to interactively evaluate plan options with employers. The company is based in Franklin, Wisconsin.

UClass

Seed Round in 2014
UClass is a web-based content repository that enables district, school, and organization personnel to store, tag, organize, share, search, view, and download files. UClass’ curricular management and analytics solution provides students and teachers with access to a worldwide education network. It allows teachers to source new and relevant material, construct complete lessons, and portably store files. The system’s search engine, specifically engineered for educator needs, allows users to narrow resulting resources by filters such as grade level, subject, and file type. In addition to individual files and URL links, UClass also includes pre-packaged lessons containing lesson plans, formative and summative assessments, and multimedia links. UClass was launched in 2012 and is based in San Francisco, California.

Tangiblee

Convertible Note in 2014
Tangiblee is an eCommerce visualization service that transforms retailers' online catalogs into powerful, interactive shopping experiences.

Fishidy

Series A in 2014
Fishidy is the only authoritative, intelligent, map-based social network that maximizes an angler’s time on the water by presenting and cultivating critical location-based information. Fishidy provides anglers the maps of specific locations to plan their outing for success. The tools to catch their targeted species of fish. And the option to brag using social media.

AgLocal

Venture Round in 2014
AgLocal wants consumers to understand what they eat, where it comes from and teach consumers how they can support these family farms.

Stir

Seed Round in 2014
Many of us spend a good portion of our waking hours at desks, using computers and other devices to communicate and collaborate with the world around us. At Stir, we feel that there’s an incredible opportunity to reimagine the desk as something that is powerful, life-changing and even lovable. The Stir Kinetic desk is just that. Stir is a smart, connected desk that moves from sitting to standing, learns from you and responds, and tracks extra calories burned.

AquaMost

Debt Financing in 2014
AquaMost, a privately held corporation based in Madison, Wisconsin, is the developer of water treatment systems that kill bacteria without the addition of chemicals. The company’s patented SX Reactor platform is designed specifically for the oil and gas industry, and combines multiple bacteria killing forces, including onsite generation of chlorine and hydroxyl radicals, with UV irradiation to provide a 99%+ kill rate. AquaMost has deployed systems in Texas, Colorado, Utah, and Canada.

Promentis Pharmaceuticals

Series B in 2014
Promentis Pharmaceuticals discovers, develops, and markets new drugs for the treatment of important human diseases, focusing initially on developing a new antipsychotic drug to treat schizophrenia. Promentis Pharmaceuticals was founded in 2006 and is based in Milwaukee, Wisconsin.

Promentis Pharmaceuticals

Debt Financing in 2013
Promentis Pharmaceuticals discovers, develops, and markets new drugs for the treatment of important human diseases, focusing initially on developing a new antipsychotic drug to treat schizophrenia. Promentis Pharmaceuticals was founded in 2006 and is based in Milwaukee, Wisconsin.

AquaMost

Debt Financing in 2012
AquaMost, a privately held corporation based in Madison, Wisconsin, is the developer of water treatment systems that kill bacteria without the addition of chemicals. The company’s patented SX Reactor platform is designed specifically for the oil and gas industry, and combines multiple bacteria killing forces, including onsite generation of chlorine and hydroxyl radicals, with UV irradiation to provide a 99%+ kill rate. AquaMost has deployed systems in Texas, Colorado, Utah, and Canada.

Dynamis Software

Debt Financing in 2012
Dynamis Software Corporation provides CDHC plan optimization tools for health insurance brokers. It offers Dynamic Plan Designer, which allows brokers to interactively evaluate plan options with employers. The company is based in Franklin, Wisconsin.

PerBlue

Venture Round in 2012
PerBlue is an independent mobile games studio based in Madison, Wisconsin. PerBlue makes a free-to-play midcore RPG and strategy games played by millions of people around the world. From the company's bootstrapping roots that began in the founder's college apartments in 2008, the company has grown to become a venture-backed mobile gaming studio with a talented team of 40+ employees. Fueled with the passion to build great products and entertain millions of people, PerBlue endeavors to change the world with fun and innovative mobile game play.

AquaMost

Series B in 2011
AquaMost, a privately held corporation based in Madison, Wisconsin, is the developer of water treatment systems that kill bacteria without the addition of chemicals. The company’s patented SX Reactor platform is designed specifically for the oil and gas industry, and combines multiple bacteria killing forces, including onsite generation of chlorine and hydroxyl radicals, with UV irradiation to provide a 99%+ kill rate. AquaMost has deployed systems in Texas, Colorado, Utah, and Canada.

PerBlue

Series A in 2010
PerBlue is an independent mobile games studio based in Madison, Wisconsin. PerBlue makes a free-to-play midcore RPG and strategy games played by millions of people around the world. From the company's bootstrapping roots that began in the founder's college apartments in 2008, the company has grown to become a venture-backed mobile gaming studio with a talented team of 40+ employees. Fueled with the passion to build great products and entertain millions of people, PerBlue endeavors to change the world with fun and innovative mobile game play.

Ratio

Venture Round in 2010
Ratio, Inc., a medical device company, develops and produces drug delivery pumps. It offers disposable drug delivery pump, a non-electronic and hydrogel-based drug delivery technology that delivers large molecule drugs and various biologics into the skin via microneedles. The company also provides painless and active transdermal products. Ratio, Inc. was founded in 2005 and is based in Monona, Wisconsin..

Promentis Pharmaceuticals

Series A in 2010
Promentis Pharmaceuticals discovers, develops, and markets new drugs for the treatment of important human diseases, focusing initially on developing a new antipsychotic drug to treat schizophrenia. Promentis Pharmaceuticals was founded in 2006 and is based in Milwaukee, Wisconsin.

Promentis Pharmaceuticals

Venture Round in 2009
Promentis Pharmaceuticals discovers, develops, and markets new drugs for the treatment of important human diseases, focusing initially on developing a new antipsychotic drug to treat schizophrenia. Promentis Pharmaceuticals was founded in 2006 and is based in Milwaukee, Wisconsin.

Flex Biomedical

Venture Round in 2009
Flex Biomedical, a Madison-based company founded in 2007, is developing innovative treatments for orthopedic diseases. The company's lead product, the Flex Polymer™, is a synthetic polymer designed to treat osteoarthritis, an incurable, debilitating joint disease that affects 27 million people in the United States and 100 million people worldwide.

Vital Sensors

Venture Round in 2006
Vital Sensors, a medical device company, develops a remote cardiac sensor for congestive heart failure patients in the United States. Its remote cardiac sensors provide on-demand data monitoring for patients with cardiovascular diseases in hospitals and homes. The company was formerly known as Vital Sensors GmbH. Vital Sensors, Inc. was founded in 2002 and is headquartered in Richmond, Virginia.

EMSystems

Seed Round in 2004
EMSystems, LLC develops Web-based healthcare information management solutions in the United States. It offers EMResource, an inventory and resource management system; EMTrack, a patient and evacuee tracking system; EMCredential, a volunteer registry application that registers, verifies credentials, notifies, and manages volunteers in emergency situations; and EMRecord, an e-patient care record solution that allows users to collect and disseminate critical EMS patient information. The company's solutions also support shelter, dialysis, and mental health status; alert/event notification; and standard and ad-hoc reporting applications. In addition, it provides implementation, training, and customer support services. The company's solutions are used in hospitals, EMS providers, fire departments, law enforcement agencies, and health departments in the event of medical emergencies, mass casualty events, and public health incidents. EMSystems, LLC was formerly known as EMSystem.com LLC and changed its name to EMSystems, LLC in 2002. The company was founded in 1997 and is based in Milwaukee, Wisconsin.
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