Big deals: These were the top 5 investment rounds raised by Houston startups in 2022

year in review

These five deals were the largest rounds raised by Houston startups, according to InnovationMap. Photo via Getty Images

Editor's note: As 2022 comes to a close, InnovationMap is looking back at the year's top stories in Houston innovation. When it came to the money raised in Houston, these five startups raised the most, according to reporting done by InnovationMap.

Houston unicorn chemicals company raises $200M series D

Solugen closed its series D funding round at $200 million. Photo via Getty Images

Houston-based Solugen has announced its latest round of investment to the tune of $200 million. The company, which reached unicorn status after its $357 million series C round last year, uses its patented Bioforge processes to produce "green" chemicals from bio-based feedstocks.

"Solugen is reimagining the chemistry of everyday life with enzymes found in nature. We make chemicals better, faster, cheaper, and without fossil fuels from right here in Houston, Texas. Whether you care about the climate, local competitiveness, or just plain old profits, we have good news: it's working," the company states in its news release. Read more.

Houston microgrid tech company announces $150 investment

Houston-based VoltaGrid provides small-scale, self-contained microgrids that can operate independently of major power grids or in tandem with other microgrids. Photo via voltagrid.com

VoltaGrid, a Bellaire-based startup that specializes in distributed power generation via microgrids, has hauled in $150 million in equity funding.

Founded in 2020, VoltaGrid provides small-scale, self-contained microgrids that can operate independently of major power grids or in tandem with other microgrids. VoltaGrid’s product consists of natural gas engines, portable energy storage, natural gas processing and grid power connectivity. Read more.

Houston company raises $138M for next-generation geothermal energy

The future of geothermal energy is here — and just got a big payday. Photo via Getty Images

Houston-based startup Fervo Energy has picked up $138 million in funding to propel its creation and operation of carbon-free power plants fueled by geothermal energy.

Fervos says the series C round will help it complete power plants in Nevada and Utah and evaluate new projects in California, Idaho, Oregon, Colorado, and New Mexico, as well as in other countries.

California-based investment firm DCVC led the round, with participation from six new investors. Read more.

Houston company closes $76M series C round to fuel its mission of reducing carbon emissions

Syzygy Plasmonics has raised a series C round of funding. Photo courtesy of Syzygy

A Houston-based company that is electrifying chemical manufacturing has closed its largest round of funding to date.

Syzygy Plasmonics closed a $76 million series C financing round led by New York-based Carbon Direct Capital. The round included participation from Aramco Ventures, Chevron Technology Ventures, LOTTE CHEMICAL, and Toyota Ventures. The company's existing investors joining the round included EVOK Innovations, The Engine, Equinor Ventures, Goose Capital, Horizons Ventures, Pan American Energy, and Sumitomo Corporation of Americas. According to a news release, Carbon Direct Capital will join Syzygy's board and serve as the series C director. Read more.

Fast-growing energy fintech startup raises $50M series B

The series B capital will allow the company to enhance its core product, while also adding on other workflows that focus on emissions and renewable energy. Image via combocurve.com

Houston-based ComboCurve announced today that it has raised $50 million through a series B funding round led by Dragoneer Investment Group and Bessemer Venture Partners.

Founded in 2017, the company is a cloud-based energy analytics and operating platform that uses sophisticated software to forecast and report on a company's energy assets, including renewables.

The series B capital will allow the company to enhance its core product, while also adding on other workflows that focus on emissions and renewable energy. Read more.


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This week's roundup of Houston innovators includes Armand Paradis of ComboCurve, Matthew Nojoomi of Ictero Medical, and Ryan McCord of McCord Development. Courtesy photos

3 Houston innovators to know this week

who's who

Editor's note: In this week's roundup of Houston innovators to know, I'm introducing you to three local innovators across industries — from health tech to energy software — recently making headlines in Houston innovation.

Armand Paradis, co-founder of ComboCurve

Armand Paradis joins the Houston Innovators Podcast to discuss how his energy software business is scaling rapidly. Photo courtesy

Houston-based ComboCurve is growing rapidly. The energy software company has raised over $60 million in venture capital investment — $50 million of which was closed in the company’s series B round earlier this year. Since the original product launched in May of 2020, CEO and Co-Founder Armand Paradis says the platform has almost 200 companies on it.

“We built something that resonated with the market — and we were super passionate about the product and taking care of our industry,” Paradis says on the Houston Innovators Podcast. “We don’t want to be the best in oil and gas. We want to be the best software company." Click here to read more.

Matthew Nojoomi, CEO and co-founder of Ictero Medical

This innovative medical device company has closed $6 million for further product development and clinical trials. Image via TMC.edu

Houston-based medical device company Ictero Medical closed its oversubscribed series A at $6 million. The funding round was led by MedTex Ventures, S3 Ventures, and an undisclosed strategic investor. The company's novel cryoablation system was designed to treat high-risk gallstone disease patients and provide a less invasive and lower risk alternative to gallbladder removal surgery — something over 1 million Americans undergo annually.

“Our technology provides an immediate solution for critically ill patients who currently have no good treatment options, and also has the potential to benefit healthier patients who want to avoid surgery,” says Ictero Co-Founder and CEO Matthew Nojoomi in the release. Click here to read more.

Ryan McCord, president of McCord Development

Houston real estate expert shares why he thinks the city is prime for smart city tech and implementation. Photo courtesy

Houston has every tool in its toolkit to be able to emerge as a smart city leader. In a guest column for InnovationMap, Ryan McCord of McCord Development explains the momentum the city already has and the existing smart city opportunities already in town.

"Houston’s diversity, business-friendly environment, and workforce make it a prime candidate to become a smart city. Becoming smarter in our transportation, public safety, sustainability practices, and infrastructure will create a better future for Houstonians." Click here to read more.

Armand Paradis joins the Houston Innovators Podcast to discuss how his energy software business is scaling rapidly. Photo courtesy

Fresh off a $50M series B, fast-growing Houston startup aims to upgrade energy sector tech

Houston innovators podcast episode 132

The energy industry has historically made critical and timely decisions with antiquated and disjointed software, and that just was not ideal for Armand Paradis.

“In our space, all the decisions are expensive,” Paradis tells the Houston Innovators Podcast. “We could go all the way into the billions of dollars making decisions using software from 30 or 40 years ago. I really thought this was a problem.”

Paradis, observing this opportunity in the industry, left his job at Equinor to launch ComboCurve, a comprehensive and more effective software platform for various verticals within the energy industry.

ComboCurve has raised over $60 million in venture capital investment — $50 million of which was closed in the company’s series B round earlier this year. It wasn’t just funding ComboCurve expanded over the past few years. The original product launched in May of 2020 and in 2021, added around 100 companies onto its platform. Now, not even halfway through 2022, almost 200 companies use the software.

“We built something that resonated with the market — and we were super passionate about the product and taking care of our industry,” Paradis says on the podcast.

“We don’t want to be the best in oil and gas. We want to be the best software company,” he continues.

One focus ComboCurve has is on the energy transition. He says energy companies are making moves in lowering their carbon emissions and investing in greener technology — they just might not be talking about it.

“We want to be the role model — the company that’s being super proactive in their environmental practices,” Paradis says. “To be able to do that, you have to be open and proactive about reducing emissions. The other piece is to talk about it.”

At this point, Paradis says we need all energy — fossil fuels, nuclear, renewables, etc. This year, ComboCurve will roll out its GHG, or greenhouse gas, module to help customers track and lower their emissions.

“We are working with a handful of operators working in this space,” he says. “We want to allow for operators to be able to predict their emissions and see the impact on their projects.”




The series B capital will allow the company to enhance its core product, while also adding on other workflows that focus on emissions and renewable energy. Image via combocurve.com

Fast-growing energy fintech startup raises $50M series B

money moves

Houston-based ComboCurve announced today that it has raised $50 million through a series B funding round led by Dragoneer Investment Group and Bessemer Venture Partners.

Founded in 2017, the company is a cloud-based energy analytics and operating platform that uses sophisticated software to forecast and report on a company's energy assets, including renewables.

The series B capital will allow the company to enhance its core product, while also adding on other workflows that focus on emissions and renewable energy.

ComboCurve raised its series A less than six months ago, according to a release. The company was founded by Armand Paradis and Jeremy Gottlieb, who have backgrounds in engineering and finance, respectively.

“ComboCurve was created to solve critical pain points, helping energy companies better manage their forecasting, valuation, reporting and decision-making functions,” Paradis, who also serves as CEO, said in a statement. “Our solution has resulted in widespread adoption by many of the world’s leading energy companies, and this investment led by Dragoneer and Bessemer, two of the world’s leading technology investment firms, will enable us to engage with additional energy companies to operate more efficiently.”

Since the completion of the company's series A, ComboCurve has taken on more than 170 customers, including the likes of Devon Energy and Pioneer Natural Resources, according to ComboCurve's website.

The company describes its platform as a "supercharged Aries but easy to use," referring to the ARIES Petroleum Economic Software by Landmark Solutions, on LinkedIn. The platform provides forecast modules, workflows and fully integrated economics, with GHC and carbon reporting features in the works that will allow users to estimate future emissions.

“ComboCurve is in the early innings of building a truly enduring franchise that is rapidly becoming the software backbone of their customers’ day-to-day operations,” Christian Jensen, partner at Dragoneer Investment Group, said in a statement. “We are excited to partner with Armand and his world-class team as they continue to deepen their suite with existing customers and expand their platform into renewables, emissions reporting, and all corners of the energy market.”

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Axiom Space officially redomiciles its headquarters in Texas

space city

Axiom Space has claimed Houston as its operational home since 2016. And now it can call Texas its official legal headquarters, too.

The spacetech company, which is developing the first commercial space station, Axiom Station, has officially redomiciled its legal headquarters from Delaware to Texas, Axiom announced this week.

Axiom employs approximately 700 people, the majority of whom are in Texas, according to a news release. Its Assembly Integration and Test Facility was built as an anchor of the Houston Spaceport, and the company is also developing next-generation spacesuits at its Houston-based spacesuit lab.

“Texas has demonstrated, consistently and deliberately, that it wants innovative companies to thrive here and has built the policy and regulatory framework accordingly,” Jonathan Cirtain, CEO and president of Axiom Space, said in the release. “For Axiom Space, establishing Texas as both our operational and legal home puts us squarely in a state that understands our mission, supports our industry, and shares in what we are working to achieve.”

Axiom touts Texas's "financial and infrastructural commitments" to the space economy as reasons for the move, including programs and grants from organizations such as the Texas Space Exploration & Aeronautics Research Fund (SEARF), the Texas Space Commission, and the Texas A&M Space Institute.

Axiom was previously awarded a $5.5 million SEARF grant for the development of its orbital data center capabilities last year.

The news comes as energy giant ExxonMobil also announced concrete plans to redomicile its legal headquarters in Texas. Exxon's board of directors unanimously recommended redomiciling in the Lone Star State in March. The company announced this week that the move would become official July 1. The company's operational headquarters is based in Spring, Texas, a Houston-area suburb.

Houston cleantech, space startups named to World Economic Forum cohort

top honor

Two Houston-based startups have been selected to join the World Economic Forum's Technology Pioneers community.

The two-year program aims to help mission-driven, early-stage start-ups scale their innovations through multi-stakeholder initiatives, co-creating partnerships and other gatherings for community members. One-hundred startups are selected each year from around the globe, this year hailing from 23 countries and working in AI, energy, space, biotech markets and more.

Cleantech startup Vaulted Deep was one of 11 energy and climate companies to be named to the cohort. Julia Reichelstein and Omar Abou-Sayed founded the company in 2023. Its technology injects excess organic waste underground to remove carbon dioxide from the atmosphere.

Last year, Vaulted Deep inked a 12-year deal with Microsoft to remove up to 4.9 million metric tons of carbon dioxide from the environment.

The startup has earned several accolades in recent years, including a No. 3 spot on Fast Company’s list of the World’s Most Innovative Companies of 2026. It was also recently named to market intelligence and advisory firm Cleantech Group's annual Global Cleantech 100 list for a second year in a row.

"Waste management is one of the world's great invisible infrastructure systems ... The need for new infrastructure is growing as disposal challenges become more complex and regulations evolve. Vaulted is building the first new disposal pathway for organic waste in decades by putting it deep underground, permanently," the company shared in a LinkedIn post. "This year, we're joining the World Economic Forum's 2026 Tech Pioneers alongside innovators working on the many interconnected challenges shaping our future."

Houston-based Venus Aerospace was also selected to join the cohort, along with six other spacetech companies. The company was founded in 2020 by Sassie and Andrew Duggleby.

The startup specializes in next-generation rocket engine propulsion as a cleaner alternative to traditional combustion engines. The company's rotating detonation rocket engine (RDRE) burns fuel more efficiently and completed a successful high-thrust test flight last year. Venus says it’s the only company in the world that makes a flight-proven, high-thrust RDRE with a “clear path to scaled production.”

"Frontier technologies matter most when they expand what people, industries, and nations can do," Sassie Duggleby, co-founder and CEO of Venus, said in a news release. "For Venus, RDRE does not just represent a more efficient engine. It is a foundation for faster movement, more capable space systems, and new forms of connectivity across the planet. Being named a Technology Pioneer validates the potential of this technology to help shape a future where distance is less limiting."

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This article originally appeared on our sister site, EnergyCapitalHTX.com.

Houston Methodist receives record $110M gift, names future tower

historic gift

Houston Methodist has received the largest gift in the health system's history to establish new funds for neurological, neuroscience, and women’s health research and treatment.

The $110 million gift comes from Houston-based The Brockman Medical Research Foundation, which supports education and research in the science, medicine and healthcare fields. In response, Houston Methodist announced that it will name its forthcoming 26-story hospital facility the Brockman Centennial Tower.

The tower’s entrance will be named the Anna Margaret Bellows Centennial Hall to honor Anna Margaret Bellows, a young camper who died during the Camp Mystic flooding last summer.

“This extraordinary gift accelerates discovery and transforms how care is delivered,” Dr. Marc Boom, president and CEO of Houston Methodist, said in a news release. “We are grateful to The Brockman Medical Research Foundation for its incredible generosity and vision that will help change the lives of generations of patients. Naming Centennial Tower in recognition of this gift reflects the scale of this commitment and its impact on the future of neuroscience, neurological care and women’s health.”

The gift will be divided into two parts:

  • $100 million will go toward creating an innovation fund within the Houston Methodist Academic Institute and the Houston Methodist Neurological Institute
  • $10 million will be devoted to Houston Methodist's Department of Obstetrics and Gynecology

“This tremendous gift will accelerate translational research that broadens our understanding of neurological and other diseases,” Dr. Jenny Chang, president and CEO of the Houston Methodist Academic Institute, added in the release. “It will allow us to leverage state-of-the-art platforms to detect, diagnose and deliver therapeutics, keeping patient care at the center of our mission.”

The Brockman Centennial Tower is expected to open next year in the Texas Medical Center. Spanning more than 1 million square feet, it will house 400 patient beds, an expanded emergency department, new operating rooms and a rooftop garden. It will be connected to Houston Methodist's flagship Paula and Joseph C. “Rusty” Walter III Tower, which opened in 2018. The Centennial Tower was estimated to cost $1.4 billion when announced in 2022.

In addition to the news of the Brockman gift, Houston Methodist also announced this month that it has launched the Houston Methodist Center for Cell and Gene Therapy and tapped an internationally recognized scientist as its leader.

The new center is focused on discovering and developing innovative and cost-effective therapies for a variety of congenital and acquired diseases, including cancer, HIV and cardiovascular disease.

Dr. Malcolm Brenner has been named as the center's inaugural leader and will assume the role starting in October. He will work alongside scientists and support staff from Baylor College of Medicine and Texas Children's Hospital.

Brenner is a professor of pediatrics, medicine, molecular and human genetics and translational biology at Baylor College of Medicine. He is known for making early advances in using bone marrow transplantation as a form of cell therapy and in engineered immune-cell treatments for cancer and infections, according to a release from Houston Methodist.

“Malcolm Brenner is a pioneer in the field of cell and gene therapy and is uniquely qualified to lead Houston Methodist’s research efforts in this field,” Chang added. “His vision and leadership will play a pivotal role in advancing our work in this space.”

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