JamJar Investments
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Investment Portfolio
Tewke
24 Feb 2026
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
30 Oct 2025
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
31 Jul 2025
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.
JamJar Investments
More venture news
- 3 Mar 2026
BindbridgeBindbridge secures £2.8m in funding from Speedinvest and Nucleus Capital to boost agricultural outputs with crop protection technology
EquityAgriculture - 24 Feb 2026
ThemaThema raises £4.6m in funding led by Stride.vc to provide PE investors with infrastructure for portfolio expansion
EquityFintech - 26 Feb 2026
ThreatAwareThreatAware announces £19m in funding from One Peak for platform that gives visibility over all corporate cyber devices
EquityCybersecurity
