JamJar Investments
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Investment Portfolio


Meatly secures £10m Series A from VC investors to manufacture cultivated meat for pet food market
Meatly develops cultivated chicken meat using animal cells for use in pet food. The product is designed to provide a sustainable alternative to conventional meat while maintaining nutritional value for pets.


Shellworks raises £11m Series A led by Alter Equity for biodegradable packaging made from microbial fermentation
Shellworks produces biodegradable materials made using microbial fermentation as an alternative to conventional plastic packaging. Its material, Vivomer, is designed to remain stable in use but fully biodegrade after disposal for consumer brands seeking alternatives to petroleum-based packaging.


Tewke unlocks £1.5m in funding from VC investors to redefine energy optimisation with home hardware automation
Tewke builds home automation hardware that helps households manage electricity use and improve energy efficiency. Its flagship product is a retrofit light switch that guides users to shift energy consumption based on tariffs and home conditions.


Marleybones secures £2.5m funding led by TAW Ventures to redefine premium dog dining with its "Pantry Fresh" meals
Marleybones produces fresh, slow-cooked dog food and supplements made in the UK, supplying both direct-to-consumer and retail channels with nutritionally complete meals packaged in recyclable cartons.


Sava raises £14m Series A led by Balderton and Pentland Venture to pioneer real-time biosensing for diabetes care
Sava develops a wearable biosensing platform that monitors glucose and other biomarkers in real time, using a pain-free microsensor designed to expand access to continuous health monitoring.
More venture news
- 10 Jun 2026

Capsa AICapsa AI lands £14m Series A led by TX Ventures and Pivot Investment Partners to build the AI operating system for private capital
Series AAI - 9 Jun 2026

NewOrbitNewOrbit raises £14m in a Series A led by Voyager Ventures to build the first commercial satellites for very low Earth orbit
Series ADeep Tech - 2 Jun 2026

IMU BiosciencesIMU Biosciences unlocks £40m Series A led by IQ Capital and Molten Ventures to decode the immune system with high-resolution blood analysis
Series ALife Sciences