# Unibio

Denmark's Unibio developed a continuous U-Loop methane-fermentation technology for its Uniprotein product and licenses it internationally; with the Saudi Industrial Investment Group it is building a plant of 50,000 tonnes per year, with expansion planned toward 300,000 tonnes per year.

Source: https://en.bioecon.ru/companies/unibio/
Updated: 2026-06-26

- Country: Denmark

## Verifiable facts

| Fact | Value | Source |
| --- | --- | --- |
| Funding | US$70 million investment from Saudi Industrial Investment Group (SIIG) in 2023 | https://nutraceuticalbusinessreview.com/unibio-secures-70m-to-grow-fermentation-u-loop-tech-207999, https://www.unibio.dk/news/press-release-saudi-industrial-investment-group-siig-agrees-to-invest-us-70-million-in-unibio |
| Capacity | Initial annual capacity of 50,000 tonnes of Uniprotein, with plans to increase to over 300,000 tonnes annually | https://www.aquafeed.com/newsroom/editors-picks/unibio-scales-methane-to-protein-technology-for-global-feed-markets/, https://www.feedandadditive.com/unibios-saudi-gambit-the-worlds-largest-single-cell-protein-plant-takes-shape/, https://www.unibio.dk/news/the-saudi-industrial-investment-group-and-unibio-to-build-the-worlds-largest-single-cell-protein-plant-in-saudi-arabia |
| Certification | Uniprotein is approved for animal feed in the EU and for aquaculture in Saudi Arabia | https://www.aquafeed.com/newsroom/editors-picks/unibio-scales-methane-to-protein-technology-for-global-feed-markets/, https://www.unibio.dk/news/the-saudi-industrial-investment-group-and-unibio-to-build-the-worlds-largest-single-cell-protein-plant-in-saudi-arabia |
| Regulatory approval | Approved as a feed material in the EU; approved for fish nutrition in Saudi Arabia; additional global registrations in progress | https://www.aquafeed.com/newsroom/editors-picks/unibio-scales-methane-to-protein-technology-for-global-feed-markets/, https://www.feedandadditive.com/unibios-saudi-gambit-the-worlds-largest-single-cell-protein-plant-takes-shape/ |
| Production site | Facility in Al Jubail, Saudi Arabia (under development); Innovation Centre with pilot and demo plant in Kalundborg, Denmark | https://www.aquafeed.com/newsroom/editors-picks/unibio-scales-methane-to-protein-technology-for-global-feed-markets/, https://www.unibio.dk/news/press-release-saudi-industrial-investment-group-siig-agrees-to-invest-us-70-million-in-unibio, https://www.unibio.dk/news/the-saudi-industrial-investment-group-and-unibio-to-build-the-worlds-largest-single-cell-protein-plant-in-saudi-arabia |
| Headcount | 79 employees (as of 2025 reporting) | https://cvrdata.ai/virksomhed/unibio-as-26110262, https://regnskaber.cvrapi.dk/26201162/amNsb3VkczovLzAzL2NmLzUwLzc1LzRiLzA2NjQtNGNlMi1hZmEzLTViNjdmMzdlZTMwOA.pdf |
| Revenue | Estimated annual revenue between US$5 million and US$28.1 million [medium confidence] | https://cvrdata.ai/virksomhed/unibio-as-26110262 |

Independent sources: aquafeed.com, cvrdata.ai, feedandadditive.com, nutraceuticalbusinessreview.com, regnskaber.cvrapi.dk

## Technologies

- [Biosynthetic butadiene](https://en.bioecon.ru/technology/biosynthetic-butadiene/)
- [Gas fermentation of food protein](https://en.bioecon.ru/technology/gas-fermentation-food-protein/)
- [Industrial single-cell protein for feed](https://en.bioecon.ru/technology/industrial-single-cell-protein-for-feed/)