Speedinvest: Investment Portfolio & Startup News
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Investment Portfolio
Gyre Energy secures £1m pre-seed funding for its AI-driven thermal energy storage platform for industrial cooling
Gyre Energy builds an AI and thermal energy storage platform that reduces the energy cost and demand of industrial cooling. The platform analyses how a cooling site behaves, forecasts demand, optimises equipment performance, and stores cooling capacity during cheaper, greener periods for release at peak times, serving cold storage, food logistics and industrial cooling operators.
Astral Systems unlocks £23m Series A led by Mercia Ventures to develop medical isotopes with multi-state fusion technology
Astral Systems is a Bristol-based deep-tech firm that invented and commercialised multi-state fusion technology, a new type of nuclear fusion. Its compact modular reactors produce medical radioisotopes and serve research, medical, and industrial customers facing fragile isotope supply chains.
Primer announces £75m Series C led by Sofina for unified payments and finance infrastructure
Primer is a payments infrastructure platform that gives merchants a unified layer across the payments lifecycle, from checkout to payout. The platform helps payments, finance and treasury teams manage transaction data, payment providers and reconciliation from a single system.
Fifth Dimension lands £19m Series A led by HV Capital to deliver decision intelligence to real-assets investors and managers
Fifth Dimension builds decision intelligence software for real estate investment managers, lenders and asset managers. The platform connects structured data and unstructured documents from existing systems into a single intelligence layer that helps firms analyse deals, surface risks and manage portfolios.
Eunice announces £6m seed funding led by Moonfire Ventures and Speedinvest to become the DD infrastructure layer for alternative assets
Eunice builds infrastructure that standardises how investment decisions are assessed, documented and defended across regulated markets. It helps institutions manage due diligence processes with structured, audit-ready outputs.
Diligent AI raises £1.9m in funding led by Speedinvest and Shapers to develop KYC and AML compliance agents
Diligent AI develops software agents that automate know-your-customer and anti-money-laundering workflows for financial institutions. Its system performs risk reviews, sanctions checks, and onboarding investigations to reduce manual compliance work for analysts.
Bindbridge secures £2.8m in funding from Speedinvest and Nucleus Capital to boost agricultural outputs with crop protection technology
Bindbridge is a Cambridge-based ag-biotech startup developing a computational platform to design molecular glues for agriculture. Its technology enables the discovery of new herbicides, insecticides and fungicides by targeting specific proteins in weeds and pests.
Polaron unlocks £6m in funding led by Racine2 to remove bottlenecks in advanced materials manufacturing
Polaron builds software that helps engineers understand and optimise advanced materials. Its models analyse microscopy data to link manufacturing processes with material performance outcomes.
HomeCooks raises £1.4m in funding from investors for its restaurant-grade meal-prep marketplace
HomeCooks operates a meal-prep marketplace connecting consumers with dishes prepared by independent chefs. It enables customers to subscribe to weekly meal plans while supporting chefs with production and delivery infrastructure.
Due lands £5.5m seed round led by Speedinvest to launch stablecoin payments API for global businesses
Due provides a global payments API that enables businesses and fintechs to send, receive and settle fiat and stablecoin transactions in real time through a single integration.
Rival emerges from stealth with £3.2m pre-seed led by Speedinvest for its AI 2D-to-3D content platform
Rival operates a spatial content platform that lets users create, convert and share immersive 3D short-form media, using AI to transform existing 2D video into experiences designed for modern mixed reality headsets.
Astral Systems raises £4.5m led by Speedinvest and Playfair to scale compact fusion reactors for medical isotopes
Astral Systems builds compact fusion reactors to produce medical isotopes locally, aiming to reduce shortages caused by ageing nuclear facilities.
Haz raises £1.1m in pre-seed funding to connect people through the things that they own
Haz is an AI-powered social commerce app that helps people resell items they already own by automatically creating listings from digital receipts, while connecting users through shared ownership and interests.
More venture news
- 24 Sept 2026
SolarSubSolarSub secures a £1.3m pre-seed round led by Sustainable Ventures to develop passive cooling technology for solar modules
Pre-seedEnergy - 22 Sept 2026
OuterlimitOuterlimit emerges from stealth with £12m from VCs to control what actions AI agents can take
Pre-seedCybersecurity - 22 Sept 2026
BenfordBenford lands a £4.3m pre-seed round led by firstminute capital to build a tech-native financial audit firm
Pre-seedEnterprise
