Solugen
YC W17Houston, US · Founded 2017 · Delaware corporation · 200 employees · 49 known investors
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Solugen develops a biomanufacturing platform using fermentation and bioprocessing technology to produce specialty chemicals at scale. The company serves customers in energy, chemicals, and related industries with cost-effective alternatives to traditional petrochemical-based manufacturing.
Also known as Bioperoxide · Solugen, Inc.
Founders & leadership· Y Combinator alumni (W17)
Solugen was founded in 2017 by Sean Hunt and Gaurab Chakrabarti.


Board

Investors · 49
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Also in the syndicate · 2
Funding
SEC filings, press & company announcements$475.9M disclosed across 5 of 6 rounds · 2018–2026
- $50MraisedMar 2026 · 3 sources
Idealist Capital (lead), Canada Growth Fund
Source ↗ - Undisclosed amountSeries DOct 2022Source ↗
▶$356.9MraisedOct 2021 · 16 investors · Other TechnologyRule 506(b)
- Sean HuntExecutive Officer, Director
- Brian SingermanDirector
- Gaurab ChakrabartiExecutive Officer, Director
- Seth BannonDirector
- Offering amount
- $356.9M
- Amount sold
- $356.9M
- First sale
- Sep 2021
- Incorporated
- Corporation, Delaware, 2016
- Federal exemptions
- 06b
▶$30.1MraisedJul 2020 · 17 investors · Other TechnologyRule 506(b)
- Brian SingermanDirector
- Seth BannonDirector
- Gaurab ChakrabartiExecutive Officer, Director
- Sean HuntExecutive Officer, Director
- Offering amount
- $30.1M
- Amount sold
- $30.1M
- First sale
- Mar 2020
- Incorporated
- Corporation, Delaware, 2016
- Federal exemptions
- 06b
▶$20MraisedMay 2019 · 14 investors · Other TechnologyRule 506(b)
- Gaurab ChakrabartiExecutive Officer, Director
- Brian SingermanDirector
- Sean HuntExecutive Officer, Director
- Seth BannonDirector
- Offering amount
- $20M
- Amount sold
- $20M
- First sale
- Apr 2019
- Incorporated
- Corporation, Delaware, 2016
- Federal exemptions
- 06b
▶$18.8MraisedNov 2018 · 50 investors · Other TechnologyRule 506(b)
- Sean HuntExecutive Officer, Director
- Seth BannonDirector
- Gaurab ChakrabartiExecutive Officer, Director
- Offering amount
- $18.8M
- Amount sold
- $18.8M
- First sale
- Oct 2018
- Incorporated
- Corporation, Delaware, 2016
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
The YC application· Winter 2017 batch
Alumni Q&A
- How did your company get started? (i.e., How did the founders meet? How did you come up with the idea? How did you decide to be a founder?)
- The company began after co-founders G and Sean met at a poker game and found they were both working on decarbonizing chemicals from different approaches, leading them to combine efforts on a decarbonization technology platform.
- What is the core problem you are solving? Why is this a big problem? What made you decide to work on it?
- The founders are addressing greenhouse gas emissions from chemicals production, which they state accounts for over 8% of all GHG emissions from energy use and chemical reactions. Their technology aims to produce chemical ingredients from renewable sources in a carbon-negative way at costs comparable to existing products.
- What is your long-term vision? If you truly succeed, what will be different about the world?
- The founders envision 1 million small-scale Bioforge mills producing basic chemical building blocks from recycled waste streams such as cardboard.
Summarized from the founders' answers on their Y Combinator profile.
Company profile
researched Aug 2026Solugen is a chemical manufacturer that produces industrial chemical products using its Bioforge process platform rather than conventional petrochemical routes. The Bioforge combines a cell-free enzymatic oxidation reactor, into which sustainable feedstocks are fed, with engineered metal catalysts that convert the intermediate material into a near-final product. The company states the catalytic step operates with higher selectivity and conversion and at lower temperatures than traditional processes, and that downstream processing is limited to an evaporator to remove water and a crystallizer to produce a solid final product, yielding one ton of product per ton of feedstock.
The company positions the Bioforge as modular, able to be built in varied locations at speed and scale to decentralize manufacturing and support local supply chains. Solugen markets solutions to oil and gas operations, renewable fuels producers (feedstock quality, yield improvement and operating cost reduction), and aerospace and defense customers, where it frames its offering around supply chain resilience and American-made production. It also works on applications in care chemicals and industrial water treatment through partner evaluations.
Business model
Solugen manufactures and supplies chemical products to industrial customers, working directly with them on application development and sample requests, and expanding capacity through partnerships with established industrial companies.
Latest developments
In October 2023 Solugen announced a biomanufacturing facility in the U.S. Midwest through a partnership with ADM and an agreement with Sasol Chemicals to evaluate sustainable ingredients in care chemicals. In July 2024 it announced a collaboration with Kurita America to develop carbon-negative products for industrial water treatment.
▸Full profile — market position, technology, go-to-market, geography
Market position
Positions itself as an alternative to conventional petrochemical producers, partnering with established industrial firms including ADM, Sasol Chemicals and Kurita America.
Combining biological (engineered enzyme) and chemical (metal catalysis) conversion in one modular process, with claims of high yield, lower reaction temperatures, fewer downstream steps and siting flexibility relative to conventional chemical manufacturing.
Technology
The Bioforge platform pairs engineered enzymes in a cell-free oxidation reactor with engineered metal catalysts to convert sustainable feedstocks into finished chemical products, with a claimed 1:1 product-to-feedstock yield and downstream steps limited to evaporation and crystallization. The plants are designed to be modular for rapid, distributed deployment.
Go-to-market
Direct engagement with industrial customers via partnership and sample-request inquiries, alongside co-development and evaluation agreements with larger chemical, agricultural processing and water treatment companies.
Industrial customers in oil and gas, renewable fuels, and aerospace and defense, plus partners in care chemicals and industrial water treatment.
Geography
Operations and expansion focused on the United States, including a planned biomanufacturing facility in the U.S. Midwest with ADM; the company emphasizes American-made production and local supply chains.
Compiled by commissioned research from 1 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Founder mafia
4 people who came through Solugen went on to found or lead other companies.
+ 1 more
Related companies · 6
Companies working in the same space as Solugen.
Timeline · 3
launches, deals, and filingsSolugen and Kurita America announced a collaboration to develop new carbon-negative products for industrial water treatment.
Solugen announced a strategic partnership with ADM to establish a biomanufacturing facility in the U.S. Midwest.
Sasol Chemicals and Solugen agreed to evaluate the effectiveness of sustainable ingredients in care chemicals applications.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
Legal entities · 1
corporate structureIn the news
▸Research sources · 1
primary sources listed
- Solugensolugen.com · web
1 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Solugen do?
- Solugen makes specialty chemicals on its Bioforge platform, combining engineered enzymes with metal catalysis.
- Who founded Solugen?
- Solugen was founded by Sean Hunt, Gaurab Chakrabarti in 2017.
- Who are Solugen's investors?
- Solugen's investors include Fifty Years, Founders Fund, Lowercarbon Capital, Y Combinator, Baillie Gifford, GIC, KdT Ventures, Refactor Capital and 39 more.
- How much funding has Solugen raised?
- Solugen has disclosed $475.9M raised across 5 of its 6 known rounds.
- Where is Solugen headquartered?
- Solugen is headquartered in Houston, US.






























