Directory

LRUG

CommunityOtherBritish

London Ruby User Group (LRUG, pronounced 'El Rug') is a monthly meetup for Ruby developers based in London, meeting on the second Monday of each month. It provides a forum for talks, discussion and socialising around the Ruby programming language. The group has been active since 2006 and is present on Mastodon via ruby.social.

LSE Generate

Incubator / AcceleratorOtherAcademiaCoworkingBritish

LSE Generate is the London School of Economics' home for entrepreneurship, supporting students and alumni to develop businesses at every stage since 2018. It operates the GenDen, a free co-working space on the ground floor of St Clement's Building, open to teams with at least one LSE-affiliated founder, and also runs incubator and accelerator programmes, a schools outreach programme, and a corporate innovation lab.

LSIP

VCOtherBritish

London & Scottish Investment Partners (LSIP) is a Scottish-based angel investment group founded in 2014, bringing together sophisticated investors from London and Scotland to back high-quality Scottish companies. The group focuses on seed and early-stage investments in sectors including life sciences, technology, energy, food and drink, and manufacturing, typically investing between £300,000 and £500,000 per deal into around six companies per year. LSIP is an active member of the Scottish Angel Network.

LabGenius Therapeutics

ScaleupBiotech & Life SciencesAIBritish

ML-driven antibody therapeutics company using its automated EVA platform to discover and optimise next-generation multispecific antibodies for solid tumour oncology. Rebranded to LabGenius Therapeutics following a £35 million Series B round in May 2024 led by M Ventures.

LandTech

ScaleupProptechSaaSBritish

UK proptech company providing land intelligence and digital planning software to property developers and planners. Its LandInsight platform consolidates UK land and planning data for site sourcing, while LandEnhance supports planning research and appraisal.

Landmark

CoworkingOtherBritish

Landmark Space is a UK flexible workspace provider founded in 2000, operating 36 professionally managed locations across six cities including London, Birmingham, Bristol, Manchester, Milton Keynes, and Reading. The company serves over 11,500 clients daily and offers private offices, virtual offices, meeting rooms, and coworking memberships. In 2018, Landmark rebranded following its merger with i2 Office, and subsequently acquired The Space portfolio in 2019 to expand its footprint further.

Laundry Studios

CoworkingOtherBritish

Laundry Studios is a co-working and flexible office campus in London Fields, Hackney, spanning over 20,000 square feet across two floors with private offices, dedicated desks, co-working areas, meeting rooms, and event spaces. The space is operated by Oneder in partnership with Regal Workspace, offering a BREEAM Excellent-rated building with amenities including a members' gym, cinema room, and 24/7 access, targeted at the local creative community. It opened in Q1 2025.

LegalVision

Professional ServicesOtherForeign

LegalVision is a technology-driven commercial law firm offering on-demand legal services through a membership model, providing unlimited access to lawyers for a fixed monthly fee. Originally founded in Australia in 2012, the firm's UK entity was incorporated in 2021 and began trading in 2022, covering areas including employment, contracts, corporate, intellectual property, franchising and data protection.

LendInvest

CorporateFinanceReal EstateBritish

Technology-driven property finance platform providing bridging loans, buy-to-let mortgages, and development finance. Listed on the AIM market of the London Stock Exchange (ticker: LINV).

Lettermark Partners

Professional ServicesOtherBritish

Lettermark Partners is a London-based product studio incorporated in October 2021, building digital products and experiences for clients including the Financial Times, Microsoft, Zego, and the UK Home Office. The studio focuses on product design and development, with particular expertise in creating experiences for younger audiences.

Level Zero Health

StartupBiotech & Life SciencesConsumerForeign

Early-stage health technology company building continuous real-time hormone monitoring using molecular sensing technology. Targets applications in fertility, personalised medicine, and wellness where constant hormone data is clinically valuable.

Lifebit

ScaleupBiotech & Life SciencesAIBritish

Federated, AI-powered health data intelligence platform and trusted research environments for secure analysis of genomic and clinical data.

Lightyear

ScaleupFinanceBritish

Commission-free investing platform for stocks, ETFs and funds, with interest on uninvested cash; built by early Wise employees.

Limbic

ScaleupBiotech & Life SciencesAIBritish

Clinical AI for mental health - an AI chatbot (Limbic Access) and referral software that triages/assesses patients; first AI mental-health chatbot with UKCA Class IIa medical device status.

Lindus Health

StartupBiotech & Life SciencesBritish

Tech-first clinical research organisation running end-to-end clinical trials faster and more cost-effectively via an in-house software platform with a fixed-price, milestone-based commercial model.

Lodestar Space

StartupDefenceAIBritish

Building an autonomous AI 'fighter-pilot for space' — Mithril avionics/payload (LiDAR + machine vision + onboard AI) for in-orbit bodyguard satellites and orbital defence.

London AI Hub

CoworkingAIEcosystem Bodies, Catapults & InstitutionsCommunityBritish

London AI Hub is a dedicated physical hub for the UK's AI ecosystem, housed within Techspace's 80,000-square-foot Goswell Road space in Farringdon, launched in February 2025 by Tech Nation (Founders Forum Group), Merantix, and co-founder Husayn Kassai. It offers co-working residencies for AI companies, a curated events programme, and community resources for AI entrepreneurs, researchers, and industry leaders, with backing from Google Cloud and the UK government's AI Opportunities Action Plan.

London AI, Machine Learning and Computer Vision Meetup

CommunityAIOtherBritish

🖖 This virtual group is for data scientists, machine learning engineers, and open source enthusiasts.Every month we’ll bring you diverse speakers working at the cutting edge of AI, machine learning, and computer vision.* Are you interested in speaking at a future Meetup?* Is your company interested

London BitDevs

CommunityOtherBritish

London BitDevs is a community group for Bitcoin developers and enthusiasts in London, focused on technical education, peer learning, and ecosystem building around Bitcoin and cryptocurrency technology.

London Bitcoin Space

CommunityOtherBritish

Come discuss and learn about Bitcoin.Bitcoin only, not crypto.

London Blockchain Innovation

CommunityOtherBritish

London Blockchain Innovation is a Meetup group located in London that focuses on exploring the potential of blockchain technology. This group brings together individuals who are interested in learning and sharing knowledge about the latest innovations and developments in the field of blockchain.The

London Cancer Hub

CoworkingOtherEcosystem Bodies, Catapults & InstitutionsBritish

The London Cancer Hub is a long-term partnership established in 2013 between the Institute of Cancer Research, The Royal Marsden NHS Foundation Trust and the London Borough of Sutton, developing the world's leading cancer research and life-sciences district in south London. Its Innovation Gateway, opened in 2021, offers approximately 6,300 sq ft of incubator laboratory and office space for early-stage companies working in oncology and related health-tech fields. A major expansion of over one million sq ft of research and laboratory space has received planning approval, to be developed by Aviva Capital Partners and Socius.

London Claude Community

CommunityAIBritish

CCCL (Claude Code Central London) is a grassroots community for developers and AI builders who use Anthropic's Claude Code, hosting in-person events featuring lightning talks, live demos, and open networking. Founded in London and now operating chapters in multiple cities, the community has grown to over 1,500 members and connects primarily through Luma, Meetup, Slack, and WhatsApp.

London Entrepreneurs Network

CommunityOtherBritish

London Entrepreneurs Network is a membership community connecting entrepreneurs and business builders across London. The organisation facilitates networking, knowledge-sharing, and peer support among founders and early-stage business leaders.