British Business Bank: Investment Portfolio & Startup News
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Investment Portfolio
SolarSub secures a £1.3m pre-seed round led by Sustainable Ventures to develop passive cooling technology for solar modules
SolarSub is a United Kingdom solar technology company developing passive cooling technology for photovoltaic modules. SolarSub’s technology is designed to reduce module operating temperatures without pumps or moving parts, increasing energy yield and reducing heat-related degradation for solar asset owners and operators.
IMS Solutions raises a £1.1m seed round led by Midlands Mindforge to develop steroid tests for cancer and PMOS
IMS Solutions develops diagnostic tests that analyse steroid metabolites in urine and blood using mass spectrometry and machine learning. IMS Solutions focuses on earlier and more accurate diagnosis of adrenocortical cancer and stratification of patients with polyendocrine metabolic ovarian syndrome.
CSignum unlocks £2.6m in funding from investors to provide underwater and underground wireless communications
CSignum provides wireless communications for environments beneath the surface of water, ice and ground, using Electromagnetic Field Signalling to move data through media that block conventional signals. Its EM2 product portfolio connects sensors at submerged and buried sites for customers in utilities, maritime, offshore energy and environmental monitoring.
SageTech Medical secures £2.5m in funding from The FSE Group to capture and recycle waste anaesthetic gases
SageTech Medical develops technology that captures waste anaesthetic gases in clinical settings before they are released into the atmosphere, then recovers and recycles the anaesthetic agents for reuse. The system is used by veterinary practices and hospitals looking to reduce emissions and limit clinical staff exposure to vented gas.
Certain Energy raises a £10m Series A led by British Business Bank for long-duration battery storage on the clean energy grid
Certain Energy develops manganese-based flow batteries that store renewable electricity for durations ranging from hours to days. The systems are built for grid operators and energy providers that need to balance variable renewable generation, stabilise grids and cut reliance on gas peaker plants.
Alchemab Therapeutics secures £25m Series A extension from British Business Bank to scale antibody drug discovery pipeline for hard-to-treat diseases
Alchemab Therapeutics is a clinical-stage biotechnology company that uncovers protective antibodies from disease-resilient individuals to discover and develop novel therapeutics. Its Resiliome platform combines a large human antibody database with AI-derived algorithms and lab validation to identify antibodies that protect against hard-to-treat diseases.
Kraken Technology Group unlocks £130m Series B round led by DTCP for its uncrewed surface vessels and maritime defence platforms
Kraken Technology Group is a British maritime defence company developing uncrewed surface vessels and subsurface payload platforms. Its K3 SCOUT, K5 KRAKEN, K7 SABRE and K4 MANTA vessels are deployed by NATO militaries and allied forces for maritime security operations.
Neuronostics raises £3m in funding led by Empirical Ventures and The FSE Group for platform that diagnoses epilepsy from brain activity recordings
Neuronostics develops BioEP, a digital biomarker platform that analyses EEG recordings to support the diagnosis and prognosis of epilepsy. The platform is designed for clinicians who need objective decision support when routine EEG results are inconclusive.
OQC unlocks £260m in a Series C led by Bullhound Capital to deploy superconducting quantum computers in data-centre environments
OQC is a United Kingdom-headquartered company that develops and operates superconducting quantum computers designed for deployment in data-centre environments. Its platform serves enterprise and government customers across financial services, defence and security, integrating quantum computing with trusted infrastructure and AI supercomputing.
IMU Biosciences unlocks £40m Series A led by IQ Capital and Molten Ventures to decode the immune system with high-resolution blood analysis
IMU Biosciences is a biotechnology company that uses a simple blood sample to measure over 100 million immune data points by combining high-fidelity multi-omic analysis with proprietary machine learning analytics. The platform is designed to enable disease diagnosis, monitor treatment progression, and predict treatment suitability for individual patients.
Elliptic unlocks £90m Series D led by One Peak for digital asset compliance and blockchain analytics
Elliptic is a digital asset analytics platform that helps banks, fintechs, government agencies and crypto businesses monitor blockchain transactions and manage compliance risk. The platform screens transactions across more than 65 blockchains and helps customers identify suspicious activity, investigate alerts and monitor digital asset activity in real time.
Esk lands £2.6m in funding led by Maven Capital Partners to turn film, TV and games IP into global live shows
Esk is a global entertainment technology business that licenses film, television and games intellectual property and turns it into live shows for venues and promoters. The platform also provides a proprietary system that ensures reliable audio-visual playback for large-scale performances.
Quantum Motion announces its £120m Series C led by DCVC and Kembara to build silicon quantum computers using standard chip manufacturing
Quantum Motion builds quantum computers using silicon transistors manufactured with the same technology as conventional computer chips. Its systems are designed to reduce cost, space and energy use while fitting into standard data centre infrastructure.
Cytospire Therapeutics secures £61m Series A led by 4BIO Capital for cancer therapies that activate the body’s immune cells
Cytospire Therapeutics develops multispecific immune cell engager antibodies designed to enhance and direct the activity of the body’s immune system. Its platform targets gamma delta T cells to generate anti tumour immune responses for patients with cancer and other diseases.
Third Space Learning secures £4.4m in funding from Maven and Blackfinch Ventures to scale its AI tutoring platform
Third Space Learning is an education technology business that provides one-to-one maths tutoring through a spoken AI tutor. It supports schools by delivering structured tutoring designed to improve learning outcomes and address gaps in student attainment.
Ineffable Intelligence lands over £800m in a seed round led by Sequoia and Lightspeed to develop superintelligence with reinforcement learning
Ineffable Intelligence is an AI research startup developing systems that learn from their own experience to discover new knowledge. It focuses on building a “superlearner” designed to advance reinforcement learning and scientific discovery.
StirLight secures £1.3m in funding from VC investors to bring real-time weld inspection to manufacturers
StirLight is an advanced manufacturing business developing a process monitoring platform for friction stir welding. Its StirSense system provides real-time data analysis to help manufacturers verify weld quality during production.
9fin secures £130m Series C led by HarbourVest to build clearer view of debt markets
9fin is a data and analytics platform for debt capital markets. It provides real-time information and tools to help credit professionals analyse markets, track developments, and make decisions.
Regeno secures £420k in funding from SFC and One Planet Capital for ground-level serviceable wind turbines
Regeno develops wind turbines that can be serviced from ground level to reduce installation and maintenance costs. Its design allows parts to be replaced without cranes or specialised offshore equipment, making wind energy more accessible for businesses and communities.
Hadean secures £2m in funding from VCs for defence conflict simulation technology
Hadean develops spatial computing and artificial intelligence technology that simulates conflict scenarios for defence forces, government agencies and businesses. Its platform enables organisations to rehearse, train and plan for combat scenarios across live and virtual environments.
BIOCAPTIVA secures £1.6m in funding led by Archangels for magnetic bead tech that prepares blood samples for liquid biopsy
BIOCAPTIVA develops magnetic bead technology that prepares blood samples for liquid biopsy testing. Its platform captures cell-free DNA directly from whole blood to improve how samples are processed for cancer research and diagnostics.
Payr raises a £1.5m seed round led by Ingenii Capital for credit card-enabled rent payments
Payr is a London-based fintech that enables tenants and businesses to pay rent by credit card while landlords receive the full amount via standard bank transfer. It provides a card-based payment option without requiring landlords or agents to change their systems or workflows.
Wayve raises a £900m Series D round from leading VCs and automakers to roll out fully driverless tech platform
Wayve develops AI software for autonomous driving that enables vehicles to understand and respond to real-world environments. Its technology provides a software layer that automakers use to deploy self-driving capabilities across different vehicle types and markets.
Pontiro secures £360k in funding led by SFC Capital to automate NHS medical imaging data
Pontiro provides a platform that enables NHS organisations to safely use medical imaging data for research and clinical AI. It automates anonymisation, validation, and workflow processes within hospital systems.
SatVu secures £30m in funding led by NATO Innovation Fund for its satellite thermal imagery intelligence
SatVu develops satellites that capture high-resolution thermal imagery from space to reveal heat signatures linked to activity inside buildings and infrastructure. Its data helps governments and organisations monitor operations, assess activity patterns, and make security and infrastructure decisions.
Tembo lands £16m in funding led by Gresham House Ventures to help home buyers with digital savings and mortgage setup
Tembo operates a digital savings and mortgage platform for prospective homebuyers. It connects savings products with mortgage advice and tracking tools in a single app.
TruePlayers secures £140k in funding from the The FSE Group to develop simulation experiences for gaming platforms
TruePlayers develops simulation and action-based games for PC and console platforms. Its titles include high-fidelity drone flight simulations used by both gamers and training organisations.
Dataline Labs lands £750k pre-seed funding led by Haatch to unlock insights from fragmented enterprise datasets
Dataline Labs builds software that connects fragmented enterprise data sources into a unified system. It enables teams to query and interpret business data in plain English without specialist support.
Tenpoint Therapeutics unlocks a £170m Series B from investors to rejuvenate vision in the aging eye
Tenpoint Therapeutics develops treatments for age-related eye conditions. Its products are designed to address presbyopia and other vision issues through clinically developed ophthalmic therapies.
Stream announces a £67m Series D led by Sofina to help firms provide financial tools for the everyday worker
Stream partners with employers to provide workplace financial tools, enabling workers to access wages, manage savings and pensions, and reduce reliance on high-cost credit.
Nuclera lands £9m Series C extension led by Elevage Medical Technologies to speed up synthesising functional proteins
Nuclera builds benchtop protein discovery systems that allow researchers to rapidly express, purify and analyse functional proteins and antibodies in-house, reducing time, cost and uncertainty in early-stage biologics research.
Bloemteknik secures £2.5m in funding led by Foresight Group to scale its autonomous LED lighting system for commercial growers
Bloemteknik supplies precision LED lighting systems for commercial growers, using autonomous software to optimise light intensity and spectrum in greenhouses and vertical farms.
EpilepsyGTx secures £25m Series A from investors to advance gene therapies for refractory epilepsy
EpilepsyGTx develops gene therapies for severe epilepsy, aiming to stop seizures with a single targeted treatment rather than long-term medication.
1nhaler secures £1.5m in further seed funding led by Archangels to advance its pop-up cardboard inhaler
1nhaler designs a single dose dry powder inhaler made primarily from cardboard that folds flat for portability, offering a simpler and more sustainable alternative to conventional plastic inhalers.
Aspia Space secures £2.3m in funding led by The FSE Group to expand AI-powered Earth observation platform
Aspia Space builds AI-powered land intelligence tools that deliver cloud-free satellite insights for agriculture, insurance and environmental monitoring.
NRG Therapeutics lands £50m Series B led by SV Health Investors to advance neurodegenerative disease therapies
NRG Therapeutics develops oral small-molecule drugs targeting mitochondrial dysfunction, aiming to slow or halt neurodegenerative diseases such as ALS and Parkinson’s through disease-modifying treatments.
Cyted Health raises £32.5m Series B led by British Business Bank, EQT and Advent Life Sciences to expand gastrointestinal diagnostics
Cyted Health develops minimally invasive diagnostic tests for gastrointestinal disease, combining cell collection devices with molecular biomarkers to detect conditions earlier.
Space Forge raises £23m Series A led by NATO Innovation Fund to scale returnable satellite manufacturing platform
Space Forge designs returnable satellites for manufacturing advanced materials in space, using microgravity conditions to produce high-performance components for semiconductors, energy and defence applications.
AMPLY raises £1.3m seed led by Twin Path Ventures to accelerate drug discovery for aggressive cancers and superbugs
AMPLY builds an AI driven drug discovery platform that combines computational biology, sequencing and lab validation to develop new treatments for aggressive cancers and drug resistant infections.
Cytomos secures £5m led by Archangels to scale up production of cell-analysis technology
Cytomos builds scalable cell analysis technology that measures intrinsic cellular properties in real time, helping biopharma companies accelerate drug discovery and manufacturing decisions.
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