Directory

RAEng Enterprise Hub

Incubator / AcceleratorGrantmaker

The Enterprise Hub at the Royal Academy of Engineering, launched in April 2013, is the UK's top-ranked startup hub supporting engineering and deep-tech entrepreneurs through grants (over £19 million awarded), mentoring from Academy Fellows, and programmes including Enterprise Fellowships, the Shott Scale Up Accelerator, Leaders in Innovation Fellowships, and Regional Talent Engines. It has supported over 600 entrepreneurs who have collectively raised £3.8 billion and created more than 6,100 jobs, with regional hubs also operating in Liverpool, Newcastle, Wales, and Northern Ireland.

RAW Venture Partners

VCPre-SeedSeed

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.

RBS Equity Finance

PESeries A+Growth

RBS Equity Finance was an investment division of the Royal Bank of Scotland Group, formed in 2002, that consolidated several of the bank's equity and private equity operations including Royal Bank Private Equity, Royal Bank Development Capital, Royal Bank Ventures, and Property Ventures. The division provided direct equity investment to businesses and is no longer operating as a distinct entity following subsequent restructuring of the RBS Group.

Rank Ventures

VCPre-SeedSeedSeries A+

Backs core infrastructure technology companies from pre-seed to Series C, deploying £500,000 to £2 million cheques into fintech, AI/ML and enterprise software with defensible IP or deep domain expertise.

Ranworth Capital

VCPre-SeedSeedSeries A+

Ranworth Capital Limited is a UK-based private investment firm incorporated in 2012 that provides seed, venture, mezzanine, and expansion capital to small and medium enterprises across technology, healthcare, and business services sectors. The firm invests exclusively with its own proprietary funds and takes a tailored, non-traditional approach to financing. It participates in angel investment activities through platforms such as SyndicateRoom.

Raw Ventures

VCPre-SeedSeedSeries A+Foreign

Raw Group is a house of innovators. We back original ideas, disruptive companies, and exceptional individuals with evergreen capital, hands-on, AI-powered advisory, and talent development.

Reasoning Project

VCPre-SeedSeedCommunity

When everyone can build, reasoning is the new scarcity.

Redalpine

VCSeedSeries A+Foreign

Redalpine is a Swiss-founded multi-stage venture capital firm that has invested in software and science-driven companies across Europe since 2006. The firm takes a distinctive approach with a team split equally between scientists and operators, focusing on artificial intelligence, energy transition, health, and food security, with over $1 billion in assets under management.

Redseed

VCSeedSeries A+

Redseed is a venture capital firm founded in 2015 by tech entrepreneurs and early backers of Facebook

Redwood Founders

CommunityIncubator / AcceleratorForeign

for the doers of tomorrow. a community and an incubator to take you from self-doubt to building real companies and products people want.

Renaissance Philanthropy

GrantmakerIncubator / 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

ScaleupPre-SeedSeedSeries A+Funding Platform

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.

Revaia

VCSeries A+Foreign

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

Revolt Ventures

VCSeedSeries A+

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.

Riceberg Ventures

VCPre-SeedSeedIncubator / AcceleratorForeign

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

Rigby Group

CorporatePE

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.

River Capital

PESeedSeries A+GrowthVC

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.

Rockley Group

VCSeedSeries A+Growth

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.

Roehampton Startup Accelerator

Incubator / AcceleratorAcademia

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.

Rokos Capital Management

PEGrowth

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.

Roosh Ventures

VCPre-SeedSeedSeries A+Foreign

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.

Royal Holloway Enterprise Hub

Incubator / AcceleratorAcademia

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.

SB Capital Partners

PESeries A+Growth

SB Capital Partners is a London-based private investment office that deploys its own principal capital across alternative asset classes including private equity, real estate, and special situations. The firm focuses on off-market deal origination, acquiring strategic stakes of 30-50% in enterprises serving niche sectors across Europe, emerging markets, and frontier markets including MENA and Sub-Saharan Africa. It has affiliate offices in New York, Zurich, Dubai, Mumbai, Singapore, and Hong Kong.

SBI Group

CorporateSeedSeries A+GrowthVCForeign

SBI Group is a Tokyo-based financial services conglomerate founded in 1999, operating across banking, securities, insurance, asset management, and venture capital. Its venture capital arm, SBI Investment, has invested in over 1,300 companies across Japan, Asia, the United States, and Europe, with a strong emphasis on fintech and technology. The group maintains a significant presence in global fintech, with offices and subsidiaries across 14 countries.