Directory

Praetura Ventures

VCSaaSAIBritish

Praetura Ventures was a Manchester-based venture capital firm founded in 2019, focused on early-stage, high-growth businesses in the North of England and wider UK, investing via EIS and other funds with cheques of £200k to £8m. In June 2025, Praetura Ventures merged with Edinburgh-based Par Equity to form PXN Group (trading as PXN Ventures), a £670m AUM investment platform with offices in Manchester, Leeds, Edinburgh, and London, championing founders across the North of England, Scotland, and Northern Ireland.

Preoptima

StartupClimateAIBritish

Generative AI design tool giving early-stage building designs accurate whole-life embodied carbon assessments and bills of quantity. Preoptima enables architects and engineers to optimise for sustainability from the earliest stages of the design process.

Pride in STEM

CommunityOtherBritish

Pride in STEM is a UK-registered charitable trust run by an independent group of LGBTQIA+ scientists and engineers that aims to showcase and support LGBTQIA+ people in science, technology, engineering, and mathematics. Founded in April 2016, the charity runs community events, public talks, a podcast, a small grants scheme, and co-ordinates the International Day of LGBTQIA+ People in STEM (18 November). It also undertakes advocacy and policy work with scientific institutions and government.

Procure Ai

StartupAISaaSBritish

AI-native procurement automation platform using autonomous agents for sourcing, contracting, purchasing and invoice management. Procure Ai helps enterprise procurement teams reduce costs and cycle times by automating repetitive negotiation and supplier management tasks.

Project Europe

Incubator / AcceleratorOtherVCBritish

Project Europe is a cohort-based accelerator and investment programme launched in March 2025 to support the next generation of technical European founders under the age of 25. Backed by 20VC, Point Nine, and Adjacent alongside over 150 leading European founders, it invests €200,000 in exchange for 6.66% equity and pairs each founder with a top European entrepreneur as a dedicated mentor.

Protium Green Solutions

ScaleupClimateBritish

Develops, builds and operates green hydrogen production and distribution projects alongside technical services for industrial decarbonisation. Protium partners with industry and infrastructure owners to deliver end-to-end hydrogen solutions, from project development through to ongoing operations.

Punto Health

StartupBiotech & Life SciencesAIBritish

AI platform for dementia care using speech-based digital biomarkers for cognitive testing, with dedicated apps for patients, carers and clinicians. Punto Health aims to enable earlier detection and ongoing monitoring of cognitive decline outside of traditional clinical settings.

Puraffinity

ScaleupClimateBiotech & Life SciencesBritish

Deep-tech company producing bio-inspired precision adsorbent materials that capture and remove PFAS 'forever chemicals' from water at scale. Puraffinity's technology addresses a critical environmental contamination challenge affecting drinking water and industrial effluent worldwide.

PyData London

CommunityAIBritish

PyData London is a volunteer-run community for developers and users of Python data tools, founded in 2014 as part of the PyData global network under NumFOCUS, a US-based 501(c)(3) non-profit. The group hosts monthly meetups with 150+ attendees and an annual multi-day conference focused on data management, processing, analytics, and visualisation.

PyLadies London

CommunityOtherBritish

PyLadies London is the London chapter of PyLadies, a global mentorship group (a trademark of the Python Software Foundation) supporting marginalised genders in the Python open-source community. The chapter promotes diversity and inclusion through education, outreach, workshops, study groups, and talks aimed at helping members become active participants and leaders in Python.

Q-Bot

ScaleupProptechClimateBritish

Construction robotics company whose remote-controlled robots crawl under timber floors to survey and spray-apply insulation, improving home energy efficiency and reducing heating costs.

QBase

CoworkingQuantumAIEcosystem Bodies, Catapults & InstitutionsCommunityBritish

QBase is London's first Quantum Applications Hub, launched by EdenBase in October 2025 in partnership with Northeastern University London. It provides subsidised hot-desk co-working space near Tower Hill alongside curated events, expert office hours, and an ecosystem programme connecting quantum and AI startups with investors and corporates, drawing on the heritage of Level39 and Tech Nation.

QM Enterprise Zone

Incubator / AcceleratorAIOtherAcademiaCoworkingBritish

Queen Mary University Enterprise Zone (QME) is an innovation hub and co-working space backed by Queen Mary University of London, focusing on Digital Health, MedTech, and AI startups in East London. Funded by Research England as one of 20 University Enterprise Zones across the UK, it provides incubation space, training programmes, networking, and access to investors for STEM entrepreneurs. It is Queen Mary's latest innovation space, complementing the earlier Queen Mary BioEnterprises Innovation Centre launched in 2011.

QMB Innovation Centre

CoworkingOtherIncubator / AcceleratorBritish

Queen Mary BioEnterprises (QMB) Innovation Centre is a 52,000 sq ft life science incubator in Whitechapel, wholly owned by Queen Mary Innovation, the technology transfer arm of Queen Mary University of London. The centre offers fully fitted CL2 wet labs, write-up suites, and shared facilities for early-stage and growing biotech and science companies, sitting on the university's Barts and The London School of Medicine and Dentistry research campus. The entity was incorporated in 2007 and the purpose-built building began operations in 2010.

QUBIS

AcademiaOtherVCIncubator / AcceleratorBritish

QUBIS is the commercialisation and technology transfer arm of Queen's University Belfast, founded in 1984 to turn academic research into high-impact commercial ventures. It takes equity stakes in university spin-outs across digital, engineering, environmental, life science, and scientific sectors, and manages a seed investment fund that provides early-stage capital of £50,000 to £150,000 per company. QUBIS has helped create over 100 technology spin-outs, generating more than £100 million in total capital raised.

Qi3 Ventures

VCOtherBritish

Qi3 Ventures (formerly Qi3 Accelerator) is a Cambridge-based active angel investor group that combines cash funding with hands-on business development and technical expertise to help early-stage technology companies commercialise their products. The group invests primarily in Space, High Value Manufacturing, and e-commerce sectors, and co-invests alongside networks including Cambridge Angels and London Business Angels.

Quell Therapeutics

ScaleupBiotech & Life SciencesBritish

Clinical-stage engineered T-regulatory (Treg) cell therapy company targeting conditions driven by aberrant immune responses, including organ transplant rejection, Type 1 Diabetes and inflammatory bowel disease, with a strategic partnership with AstraZeneca.

Quinas Technology

StartupQuantumAIBritish

Commercialising ULTRARAM, a compound-semiconductor non-volatile memory technology using quantum resonant tunnelling, targeting AI, compute-in-memory and neuromorphic computing applications.

RAW Venture Partners

VCSaaSAIBritish

RAW Venture Partners is an Edinburgh-based boutique angel investment group and family office vehicle founded in 2014. The firm assists IT entrepreneurs and early-stage businesses in gaining access to working capital, providing mentoring and angel or follow-on investment in companies across the UK, Europe, and the US. It has invested over $10 million in businesses worldwide.

RIO

GovernmentOtherBritish

The Regulatory Innovation Office (RIO) is a UK government office within the Department for Science, Innovation and Technology, established in October 2024. It works to update regulation and speed up approval times for emerging technologies, helping regulators across government to work together effectively so that innovative products and services can reach the market faster.

Ramen Club

CommunityOtherSaaSCoworkingBritish

Ramen Club is an East London founder community and coworking space for bootstrapped SaaS founders and indie hackers, based near Dalston Junction. Founded in 2019, it offers a physical coworking space (Ramen Space), a 400+ member Slack community, weekly demo days, expert mentorship, and workshops covering growth, AI, legal, and finance. Members range from pre-revenue founders to those generating significant monthly recurring revenue.

Recycleye

ScaleupAIClimateBritish

AI computer-vision and robotics platform for waste sorting; robotic picking arms (Recycleye Robotics) and vision systems identify and sort recyclables across 28+ material classes.

Refute

StartupCybersecurityDefenceBritish

AI-powered counter-disinformation platform that detects and responds to hostile influence operations and bot-driven narrative campaigns; backed by the UK National Security Strategic Investment Fund and used by government and commercial clients.

Relation Therapeutics

ScaleupBiotech & Life SciencesAIBritish

AI/ML drug discovery company using single-cell multi-omics and graph machine learning ('Lab-in-the-Loop') to identify novel targets in fibrosis, osteoarthritis and bone disease.