BLUUMBIO
YC S21San Francisco, US · Founded 2021 · 4 employees · 5 known investors
BluumBio identifies and deploys naturally occurring enzymes from fungi, trees, and bacteria to remove industrial pollutants from soil, air, and water. The company serves environmental remediation projects requiring rapid decontamination of petroleum, pesticides, plastics, and other synthetic chemicals.
Also known as Bluum Bio · BLUUMBIO
Founders & leadership· Y Combinator alumni (S21)
BLUUMBIO was founded in 2021 by Katherine French.
Investors · 5
Company profile
researched Aug 2026BluumBio is a biotechnology company that develops bioremediation technologies based on naturally occurring enzymes. It uses DNA sequencing to search for microbes carrying enzymes capable of degrading toxic compounds, then engineers bacteria and plants to produce those enzymes and improves their performance in the lab. The company states its target contaminant portfolio includes petroleum hydrocarbons, PCBs, PFAS, fluoride, 1,4-dioxane, heavy metals, nitrates and microplastics, and that it will develop solutions for additional chemicals on request.
The product line is organised around named formulations at different stages of readiness. Bluum Helios, for petroleum-hydrocarbon-contaminated soil and water (former refineries, oil spills, manufactured gas plants), consists of a freeze-dried soil bacterium (Bacillus megaterium) plus a proprietary mix of powdered nutrients and electron donors; it is applied at 500 g per 12 gallons of water, with each gallon covering roughly 300 sq ft via hand-mixed sprayers or, for areas over an acre, sprayer trucks and drip irrigation, twice in the first year and annually thereafter. Bluum Delta (enzymatic, for PFAS in wastewater, manufacturing waste streams and landfill leachate), Bluum Firefly (PCB removal from soil, water, waterways and storm sewers) and Bluum Maris (plastic and microplastic breakdown in industrial composting, oceans, water-treatment microfiber removal and agricultural soils) are described as forthcoming, with customer pilots open. The company also develops bioreactor-based systems that remove toxins from industrial production pipelines before release. It positions its approach against conventional remediation methods such as soil removal or capping, stating that its enzymes degrade or sequester target toxins without harsh chemicals and with minimal disturbance to the treated environment.
Founding story
Founder and CEO Katherine French completed a PhD in the Department of Plant Sciences at Oxford University in 2016 and subsequently worked at UC Berkeley and Lawrence Berkeley National Laboratory engineering organisms for bioremediation and studying the environmental effects of genetically engineered bacteria and plants. Her background spans ecology, microbiology and synthetic biology. During postdoctoral work at Berkeley she developed bacteria able to consume crude oil, but found academic funders considered the research too applied to support; she decided to turn the work into a product instead. Acceptance into Y Combinator validated the idea for her. She describes an early misstep in leasing an unsuitable, low-cost 'bare bones' lab space in a former San Francisco photography studio that rented scientific benches, before securing a better-equipped facility.
Business model
BluumBio sells microbial and enzymatic remediation products for application at contaminated sites, supported by a subscription service. The Bluum Better Customer Care plan provides soil and water sample analysis to determine degradation rates, pollutant levels and product viability over time; subscribers receive a sample collection kit, instructions, a pre-paid shipping label and access to a product support team that builds a customized application program. The plan is free for the first month and then billed as an annual subscription. The company also runs customer pilots for products not yet commercially released, and takes on funded research where prospective customers bring a contamination challenge and BluumBio prepares a research proposal for that work.
Product sales of microbial/enzymatic formulations combined with an annual subscription for the Bluum Better Customer Care monitoring and support plan (first month free); additionally, sponsored research conducted for companies that bring specific contamination problems. The founder also cites non-dilutive sources including startup fellowships and U.S. Small Business Innovation Research (SBIR) grant programmes.
Traction
Bluum Helios is described with full application, shelf-life and support details, indicating commercial availability, while Bluum Delta, Bluum Firefly and Bluum Maris are listed as forthcoming with open customer pilots. The company offers benchscale testing within a month and states it guarantees field results within a year. As of July 2023 the team consisted of four people, including business development/product support and organism discovery and assay development roles.
Latest developments
A July 2023 interview with founder and CEO Katherine French described a four-person team, a completed seed round following Y Combinator funding, and a move into a more suitable laboratory space. The product page lists Bluum Delta (PFAS), Bluum Firefly (PCBs) and Bluum Maris (plastics) as coming soon with customer pilots being recruited, and shows the Bluum Better Customer Care plan as an archived/forthcoming offering.
▸Full profile — market position, technology, go-to-market, geography, history, risks & controversies
Market position
An early-stage bioremediation company with a team of four and one commercially described product (Bluum Helios), plus three products at pilot or pre-launch stage. Third-party data lists competitors including Solugen, a producer of bio-based chemicals. The founder describes a closely comparable, more established startup in the same space.
BluumBio contrasts its biological approach with traditional remediation methods such as soil excavation or capping, which it characterises as relocating rather than resolving contamination, stating that its enzymes degrade or sequester target toxins, avoid harsh chemicals and minimally disturb the treated environment while restoring degraded landscapes. It also markets a defined timeline: benchscale testing within one month to determine whether its products will work on a given site, and a guarantee of field results in under a year. Its founder has noted that a more established startup operates in a similar space.
Technology
The company applies DNA sequencing to identify microbes whose enzymes naturally transform pollutants, then engineers bacteria and plants to express those enzymes and optimizes enzyme performance in the laboratory. Enzymes are drawn from bacteria, plants, algae and fungi and are described as converting compounds such as petroleum, carcinogenic dyes, heavy metals, arsenic and plastic into carbon usable by the organisms. Products are delivered as freeze-dried microbial formulations blended with nutrients and electron donors, or as enzymatic formulations (Bluum Delta for PFAS), and the company also builds bioreactor-based systems for in-line removal of toxins from industrial production pipelines.
Go-to-market
Direct outreach and inbound contact through the company website, with a one-month benchscale test to establish site suitability, followed by product supply and the Bluum Better Customer Care subscription. Pre-launch products (Bluum Delta, Firefly and Maris) are offered through customer pilot programs and a notification list. The company also solicits contamination challenges from prospective clients and converts them into funded research proposals. Participation in the Y Combinator Summer 2021 accelerator batch provided early investor access.
Operators of contaminated industrial sites and environmental remediation projects, including former refineries, manufactured gas plant sites, oil-spill response, former chemical manufacturing facilities, waterways and storm sewer pipelines, wastewater and water treatment facilities, industrial manufacturing waste streams, landfill leachate operations, industrial composting, and agricultural soils.
Geography
Y Combinator and the founder's account place the company in San Francisco, California; a third-party company database lists its headquarters as Berkeley, United States. Application use cases described span soil, groundwater, waterways, storm sewers, oceans, wastewater treatment plants and agricultural land.
History
The company was founded in 2021 and participated in Y Combinator's Summer 2021 batch, with Jared Friedman as primary partner. Y Combinator provided the majority of early funding over several months while the concept was developed, after which the company raised a seed round from investors. It also pursued startup fellowships and U.S. SBIR government grant programmes. As of July 2023 the team numbered four, and the founder reported having relocated from an initial makeshift San Francisco lab to a better-suited facility.
Risks & controversies
The company's technology involves engineering bacteria and plants for environmental release, an area in which the founder has also conducted research on the environmental effects of genetically engineered organisms. Three of four listed products remain pre-commercial and dependent on pilot validation, and the company acknowledges remediation projects are expensive and often non-linear. The founder cites competition from a more established startup in an adjacent space and describes fundraising as a recurring difficulty. Funding figures reported by third-party aggregators are incomplete or unverified.
Compiled by commissioned research from 7 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.
Timeline · 4
launches, deals, and filingsThe company listed three pre-commercial products - Bluum Delta (enzymatic PFAS removal), Bluum Firefly (PCB removal) and Bluum Maris (plastic degradation) - as coming soon and invited prospective customers to join pilot programs.
Microbial product based on freeze-dried Bacillus megaterium with proprietary nutrients and electron donors, for bioremediation of soil and water contaminated with petroleum hydrocarbons; use cases include former refineries, oil spills and manufactured gas plants.
The founder reported closing a seed round after Y Combinator, describing seed rounds generally as typically 1-3 million; no specific amount for BluumBio's round was stated.
BluumBio joined Y Combinator's Summer 2021 accelerator batch, with Jared Friedman as primary partner. The founder states Y Combinator provided the majority of the company's early funding, covering several months of concept development before investor conversations began.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
▸Research sources · 7
primary sources listed
- BluumBiobluumbio.com · web
7 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does BLUUMBIO do?
- BluumBio develops microbial and enzyme-based bioremediation products that break down industrial pollutants in soil and water.
- Who founded BLUUMBIO?
- BLUUMBIO was founded by Katherine French in 2021.
- Who are BLUUMBIO's investors?
- BLUUMBIO's investors include HAWKTAIL, Olive Tree Capital, Oxonian Ventures, Y Combinator, Axial VC.
- Where is BLUUMBIO headquartered?
- BLUUMBIO is headquartered in San Francisco, US.


