Rumin8 - About the company
Rumin8 is a series A company based in Perth (Australia), founded in 2021 by Matt Callahan, Stewart Washer, Cameron Scadding and Cameron Scadding. It operates as a Provider of methane emission control solutions for livestock farmers. Rumin8 has raised $30.8M in funding from Breakthrough Energy and Climate Capital. The company has 24 active competitors, including 7 funded and 1 that has exited. Its top competitors include companies like Number 8 bio, Volta Greentech and Efeed.
Company Details
Provider of methane emission control solutions for livestock farmers. It uses technology to stabilize and replicate anti-methanogenic compounds of nature to turn them into scalable supplements. Its supplements are then used for ruminants that enable livestock farmers to reduce enteric methane production in livestock.
Key Metrics
Founded Year
2021
Location
Perth, Australia
Stage
Series A
Total Funding
$30.8M in 6 rounds
Latest Funding Round
Investors
Ranked
1st among 24 active competitors
Employee Count
30 as on Aug 31, 2026
Investment & Acquisitions
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Rumin8's funding and investors
Rumin8 has raised a total funding of $30.8M over 6 rounds. Its first funding round was on 2021. Its latest funding round was a Series A round on Mar 26, 2026 for $*****. 1 investor participated in its latest round. Rumin8 has 12 institutional investors.
Here is the list of recent funding rounds of Rumin8:
Filter this list
Filter this listDate of Funding | Funding Amount | Round Name | Post-Money Valuation | Revenue Multiple | Lead Investors | Other Investors |
|---|---|---|---|---|---|---|
Mar 26, 2026 | 3381890 | Series A | 9403163 | 2998841 | 3617088 | 5200214 |
Nov 12, 2025 | 8099425 | Series A | 9533322 | 2031839 | 3737932 | |
Jan 23, 2023 | 2319270 | Seed | 9554930 | 6711442 |
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Rumin8's founders and board of directors
Founder? Claim ProfileHere are the details of Rumin8's key team members:
- Matt Callahan: Co-Founder of Rumin8 and founder of 2 other companies, Botanix Pharma and Stone Ridge Ventures.
- Stewart Washer: Co-Founder & Chairman of Rumin8. Contact Info: 1 email address
- Cameron Scadding: Co-Founder of Rumin8.
- Cameron Scadding: Co-Founder of Rumin8.
View details of Rumin8's Founder profiles and Board Members
Rumin8's employee count trend
Rumin8 has 30 employees as of Aug 26. Here is Rumin8's employee count trend over the years:
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Rumin8's Competitors and alternates
Top competitors of Rumin8 include Number 8 bio, Volta Greentech and Efeed. Here is the list of Top 10 competitors of Rumin8, ranked by Tracxn score:
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Rank | Company Details | Short Description | Total Funding | Investors | Tracxn Score |
|---|---|---|---|---|---|
1st | Provider of methane emission control solutions for livestock farmers | $30.8M | 56/100 | ||
2nd |  Number 8 bio 2021, Sydney (Australia), Series A | Manufacturer of cattle feed supplements for methane emission control | $15.5M | 54/100 | |
3rd |  Volta Greentech 2018, Stockholm (Sweden), Seed | Developer of land-based seaweed cultivation systems for cattle | $11M | 52/100 | |
4th |  Efeed 2021, Cambridge (United Kingdom), Seed | AI-based personalized feed recommendations for animals | $1.7M | 50/100 | |
5th |  Symbrosia 2018, Kailua Kona (United States), Series A | Provides livestock methane control products | $7M | 45/100 | |
6th | Mootral 2008, Abertillery (United Kingdom), Series A | Provider of feed supplements designed to improve animal health and productivity | $7.63M | 42/100 | |
7th | Greener Grazing 2018, Greenfield (United States), Unfunded | Developer of seaweed-based feed supplements for livestock animals | - | - | 27/100 |
8th |  GlasPort Bio 2018, Galway (Ireland), Seed | Developer of technology reducing greenhouse gas emissions from the agricultural sector | - | 27/100 | |
9th | EnviroGraze Technologies 2024, Cremorne (Australia), Unfunded | Developer of climate-smart livestock feed improving animal health and reducing methane emissions | - | - | 24/100 |
10th |  VetosEurope Cadenazzo (Switzerland), Unfunded | Manufacturer of methane emission controlling feed supplements for livestock animals | - | - | 24/100 |
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Rumin8's Investments and acquisitions
Rumin8 has acquired Roam Agricultural. Rumin8 has not made any investments as of now.Reports related to Rumin8
Here is the latest report on Rumin8's sector:
News related to Rumin8
Media has covered Rumin8 for a total of 2 events in the last 1 year, 1 of them has been about partnerships.
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Minerva Foods and Rumin8 announce results of groundbreaking methane reduction study in Brazilian cattlePR Newswire•Apr 22, 2026•Rumin8
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Rumin8 Acquires ROAM Agricultural to Expand Methane Abatement Product PortfolioiGrow News•Dec 04, 2025•Rumin8, Roam Agricultural
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Metech Holdings signs methane capsule export contract with Australia’s ‘Lumin8’Venture Square•Nov 02, 2023•Rumin8, METech International
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Bill Gates founded BEV backs Aussie firm looking to reduce methane emissions in cowsFeedNavigator•Jan 24, 2023•Breakthrough Energy, Rumin8
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Bill Gates, Twiggy Forrest back livestock emissions reduction startup Rumin8 in $17 million Seed top upStartup Daily•Jan 23, 2023•Rumin8, Harvest Road, Prelude Ventures, Breakthrough Energy and 2 others
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