JamJar Investments
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Investment Portfolio
Reformed closes £17m Series A from IRIS Ventures for its functional coffee and matcha subscriptions
Reformed sells specialty-grade arabica coffee and ceremonial matcha blended with functional additions, including collagen or creatine, 21 vitamins and minerals and blends of functional mushrooms.
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
- 26 Aug 2026
Certain EnergyCertain Energy raises a £10m Series A led by British Business Bank for long-duration battery storage on the clean energy grid
Series AEnergy - 12 Aug 2026
MindgardMindgard secures £22m Series A led by Album VC to test and defend AI systems against adversarial attack
Series ACybersecurity - 12 Aug 2026
CytixCytix raises a £5m Series A round led by Northern Gritstone to manage the security risk of AI-driven software change
Series ACybersecurity
