Directory

Ripple

ScaleupFinanceAIForeign

Ripple builds blockchain-based crypto solutions for financial institutions, businesses, and governments to enable faster, more affordable cross-border payments via RippleNet and the XRP Ledger.

Rise Accounting

Professional ServicesOtherBritish

Rise Accounting is a London-based accounting and advisory firm founded in 2021, serving ambitious founders, SMEs, and fast-growing businesses. The firm provides bookkeeping, management accounts, payroll, VAT, SEIS/EIS assurance, employee share schemes, and cross-border expansion support into the UAE and US. It operates with chartered accountants in the UK and Dubai, and CPAs in the US.

Risk Ledger

ScaleupCybersecurityBritish

Continuous third-party and supply-chain risk management platform using a social-network model where suppliers maintain one shared security profile visible to all their clients, reducing duplication and improving real-time visibility.

River Capital

PEFinanceVCBritish

River Capital (formerly Alliance Fund Managers) is an FCA-regulated fund management company based in Liverpool, part of the MSIF group. It provides tailored debt, mezzanine, private equity, and venture finance solutions to small and medium-sized enterprises across the North West of England, and manages funds totalling over £100 million including a dedicated AI fund.

Rivian

CorporateConsumerClimateForeign

Discover Rivian's long-range electric vehicles, innovative EV trucks, SUVs and vans built for adventure. Join the movement towards a sustainable future.

Roark Aerospace

StartupDefenceAIBritish

Defence technology company developing autonomous counter-drone systems and global drone-detection networks; its Aero-Ark platform offers drone-detection-as-a-service using forward-scatter detection, AI and packet sniffing.

Robinhood

CorporateFinanceCrypto & Web3Foreign

Robinhood UK has commission-free stock trading, and tools to help shape your financial future. Limitations, risks and other costs apply, including contract fees when trading options.

Roblox

CorporateGamingForeign

Roblox is the ultimate virtual universe that lets you create, share experiences with friends, and be anything you can imagine. Join millions of people and discover an infinite variety of immersive experiences created by a global community!

Rockley Group

VCClimateAIBritish

Rockley Group is a venture capital and advisory firm founded in 2004 and headquartered in Oxford, UK, with offices in Beijing and Shanghai. It invests in and advises technology-based businesses focused on sustainability, energy, information technology, data management, healthcare, and industrial efficiency, aiming to build companies that contribute to global sustainability and improvement of human wellbeing.

Rockstar Games

CorporateGamingForeign

Rockstar Games is an American video game publisher and subsidiary of Take-Two Interactive, founded in December 1998, known for developing and publishing some of the best-selling video game franchises in history, including Grand Theft Auto and Red Dead Redemption. The company has a significant UK presence through Rockstar North (Edinburgh), Rockstar Lincoln, and other UK studios. Rockstar Games is wholly owned by Take-Two Interactive and operates globally with approximately 5,970 employees.

Roehampton Startup Accelerator

Incubator / AcceleratorOtherAcademiaBritish

The Roehampton Startup Accelerator is a free programme run by the University of Roehampton for graduates seeking to develop business ideas or early-stage ventures. It offers structured workshops covering lean startup methodology, sales, legal matters and fundraising, alongside mentoring from entrepreneurs and investors, demo days, and hot-desking facilities on campus. The programme runs in cohorts, typically from September to December each year.

Rogo

ScaleupFinanceAIForeign

Rogo is the trusted AI partner to the world’s leading financial institutions. Rogo helps finance teams make better decisions and build smarter teams.

Rokos Capital Management

PEFinanceBritish

London-based global macro multi-asset hedge fund founded by Chris Rokos in 2015, managing over $22bn in assets across offices in London, New York, and Singapore.

Roku

CorporateMediaConsumerForeign

Roku provides the simplest way to stream entertainment to your TV. On your terms. Access more than 150,000+ movies and TV episodes across free and paid channels.

Roller

ScaleupSaaSConsumerForeign

Run your entire attraction on one platform with ROLLER. Sell tickets online, manage POS & payments, streamline operations, and deliver exceptional guest experiences.

Roosh Ventures

VCAIGamingForeign

An entrepreneurs-led VC that backs startups in Europe and the US. We are agnostic with a slight focus on fintech, gaming, enterprise SaaS, and vertical AI.

Round

StartupFinanceAIBritish

AI-driven finance automation platform for modern finance teams, with an Agentic Workflow Builder and Autonomous Payroll powered by AI agents.

Roundhouse Works

CoworkingMediaBritish

Roundhouse Works is a coworking space and career development programme for creative freelancers and early-stage entrepreneurs aged 18 to 30, operated by the Roundhouse Trust charity in Camden. Opened in 2023 as part of a £7 million facility adjacent to the iconic Roundhouse music venue, it offers hot-desks, recording studios, a podcast studio, a triple-height performance studio, seminar rooms, and free workshops through its Self Made Series. The programme is designed to support up to 15,000 young creatives each year.

Rowan Dartington

Professional ServicesFinanceBritish

Rowan Dartington is a UK-based wealth management firm founded in 1990, operating as a trading name of St. James's Place Investment Management Limited. It provides discretionary and advisory investment management services to private clients, intermediaries, charities, and trusts. The firm is authorised and regulated by the Financial Conduct Authority and is a member of the London Stock Exchange.

Royal Academy of Engineering

Ecosystem Bodies, Catapults & InstitutionsDeep TechBritish

The Royal Academy of Engineering (RAEng) is the UK's national academy of engineering, founded in 1976 as the Fellowship of Engineering and granted its current name and Royal Charter in 1992. It brings together the country's most distinguished engineers to advance excellence in engineering for the benefit of society, funding research, supporting early-career engineers, and advising government on engineering policy. RAEng also delivers programmes in enterprise, international development, and education.

Royal Aeronautical Society

Ecosystem Bodies, Catapults & InstitutionsSpaceDeep TechBritish

The Royal Aeronautical Society (RAeS) is the world's oldest aeronautical society and the only professional body dedicated to the entire global aerospace community, founded in 1866 as the Aeronautical Society of Great Britain. It sets and maintains professional standards across aerospace disciplines, provides specialist knowledge and resources, and influences public policy affecting the aerospace, aviation, and space sectors. The Society operates a global network of 67 branches and offers membership grades including Member, Fellow, and Companion.

Royal Geographical Society

Ecosystem Bodies, Catapults & InstitutionsOtherBritish

The Royal Geographical Society (with the Institute of British Geographers) is the UK's learned society and professional body for geography, founded in 1830 to advance geographical science. It supports geographical research, education, fieldwork, expeditions and professional practice, serving over 16,500 members including academics, teachers, and professional geographers. The Society holds one of the world's most important collections of geographical information.

Royal Holloway Enterprise Hub

Incubator / AcceleratorOtherAcademiaBritish

The Royal Holloway Enterprise Hub is the enterprise and entrepreneurship centre of Royal Holloway, University of London, providing workspace, workshops, mentoring, and business development support to students, staff, and nascent local entrepreneurs in the Egham area. Housed in the Emily Wilding Davison Building, it is part of Royal Holloway Innovation and acts as a gateway to the expertise of the university and its partner organisations. The Hub opened in January 2022.

Royal Institution

Ecosystem Bodies, Catapults & InstitutionsEdtechBritish

The Royal Institution of Great Britain is an independent charity founded in 1799 and dedicated to connecting people with the world of science through talks, events, educational programmes, and research. It is home to the Faraday Museum and is renowned for hosting the annual Christmas Lectures.