Directory

Regus

CoworkingReal EstateForeign

Regus is the world's largest brand of flexible workspace and serviced offices, operating under the International Workplace Group (IWG) umbrella with approximately 4,000 locations across the globe. Founded in 1989 in Brussels, Regus provides private offices, coworking spaces, meeting rooms, and virtual office services to businesses of all sizes.

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.

Relativity

CorporateLegalAIForeign

Relativity is a global legal data intelligence company. Its AI platform, RelativityOne, transforms complex data into insights and actions to elevate the practice of law.

Relay

StartupLogisticsE-commerceBritish

Relay is a tech-enabled delivery network, empowering businesses to grow and elevate their e-commerce operations.

Relex Solutions

ScaleupSaaSE-commerceForeign

RELEX’s unified supply chain and retail planning platform helps retailers, manufacturers, and wholesalers improve forecast accuracy, reduce waste, and automate planning end-to-end.

Remakery Brixton

CommunityClimateCoworkingBritish

The Remakery is a co-operative community workshop in South London, established in 2012, dedicated to upcycling and reusing waste materials. It offers around 900 square metres of shared space including woodworking, textiles, metalwork, coworking desks, and a surplus-food café, serving local residents, makers, and social enterprises focused on sustainability and the circular economy. The Remakery also runs the Future Makers programme to support eco-entrepreneurs.

Remitly

CorporateFinanceForeign

Send money online faster and more securely with Remitly, and discover our great exchange rates and low money transfer fees.

Renaissance Learning

CorporateEdtechAIForeign

Renaissance Learning is a global educational technology company providing AI-powered literacy, maths, and assessment software to over 7,000 schools across the UK and Ireland, with a UK office in Brentford, London.

Renaissance Philanthropy

GrantmakerAIDeep TechIncubator / AcceleratorForeign

Renaissance Philanthropy is a nonprofit that designs, incubates, and manages time-bound, thesis-driven philanthropic funds for science, technology, and innovation. Led by Tom Kalil and Kumar Garg, the organization has catalyzed $533M in philanthropic capital since 2024.

Republic Europe

ScaleupFinanceSaaSFunding PlatformBritish

Republic Europe (formerly Seedrs) is a leading European equity crowdfunding and private investment platform that enables retail and institutional investors to buy stakes in early-stage and growth-stage private companies. Founded in 2012 as Seedrs and rebranded in July 2024 following acquisition by US-based Republic, the platform is authorised and regulated by the UK FCA and has facilitated over £2.9 billion invested across more than 2,290 deals.

Resurrect Bio

StartupBiotech & Life SciencesAIBritish

Agricultural biotech company using AI-driven gene editing (FloraFold AI platform) to reactivate dormant disease-resistance genes in crops such as soybean, wheat, potato and maize; spun out of The Sainsbury Laboratory.

RevEng.AI

StartupCybersecurityAIBritish

AI-powered binary analysis platform (BinNet model) that inspects compiled software, firmware and third-party binaries without source code to detect vulnerabilities and backdoors, addressing software supply-chain security.

Revaia

VCSaaSAIForeign

Paris-based growth equity VC firm backing European mission-driven tech companies from Series B to IPO; founded 2018, ~€600M AUM.

Revgentic

StartupAISaaSBritish

Win every critical moment, live on the call. Revgentic surfaces the right nudge at the exact moment it matters.

Revolt Ventures

VCProptechBritish

Revolt Ventures is a London-based venture capital firm focused on early-stage real estate and proptech technology companies, founded in 2018 and backed by MARK (formerly Meyer Bergman), a private equity real estate investment manager. The firm targets high-growth technology startups operating at the intersection of real estate, retail, and digital innovation.

Revolut

CorporateFinanceConsumerBritish

Global financial super-app offering retail and business banking, payments, FX, cards, investing and crypto; one of Europe's most valuable private technology companies.

Revolution Medicines

CorporateBiotech & Life SciencesDeep TechForeign

At Revolution Medicines our mission is to revolutionize treatment for patients with RAS-addicted cancers through targeted medicines.

Rezonant

StartupAI SafetyAIBritish

Open-source SDK and cloud platform for building and deploying controllable, auditable enterprise AI agents with human-in-the-loop oversight. Founded in 2024 and formerly known as Portia AI, the company recently launched Rezonant, a product workspace that turns requirements into structured, agent-ready engineering tasks.

Riceberg Ventures

VCSpaceDeep TechIncubator / AcceleratorForeign

Riceberg Ventures backs mission-driven founders building breakthrough deep-tech across Spacetech, Lifesciences, Cleantech, Cybersecurity, Compute, and AI/Robotics.

Richmond MakerLabs

CoworkingOtherCommunityBritish

Richmond MakerLabs is a community makerspace in Ham, Richmond, offering free membership to residents with interests in DIY and craft. The space provides computer facilities, electronics lab, laser cutting, 3D printing, CNC machinery, metalwork, and a woodshop, and is part of the Ham United Group Community Interest Company. It operates on a donation model and welcomes interests spanning IoT, amateur radio, carpentry, and textiles.

Rigby Group

CorporateReal EstatePEBritish

Rigby Group PLC is a technology-focused, multi-generational family business founded in 1975, described as Europe's largest private technology company and investor. The Group operates through three divisions: SCC (IT services), Rigby Technology Investments, and Real Estate, with over 8,500 employees across eight countries and annual turnover of approximately £3.9 billion.

Rightbrain AI

StartupAISaaSBritish

Newcastle-based platform enabling B2B services firms to build and deploy AI agents within their existing tools without deep technical expertise.

Rightcharge

StartupClimateFinanceBritish

EV charging payments and analytics platform for business fleets, automating home-charging reimbursements and providing a tax-compliant audit trail; raised £1.6M seed in October 2025 and partnering with Octopus Electroverse for European expansion.

Rightsline

ScaleupMediaSaaSForeign

Powerful rights and royalties software trusted by global content & IP owners to manage, simplify, and maximize IP commerce.