Index Ventures
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Investment Portfolio
Marker raises a £10m seed round led by Index Ventures to support writers with AI word processor
Marker is a word processor built for writers, offering AI tools designed to support the writing process rather than generate finished text. The product centres on the earlier, messier stages of writing, ideation, drafting and revision, and includes tools for working with a co-writer or commenter.
Build secures backing from Index Ventures to accelerate data centre infrastructure development
Build is an AI-native operating partner that automates pre-development workflows for data centre and infrastructure projects. Its systems handle site sourcing, technical due diligence, power assessment and early design work for governments, developers and institutional investors.
Conduct unlocks £45m Series A led by Index Ventures and ICONIQ to accelerate transformation of enterprise software systems
Conduct is an AI operating system for enterprise software that ingests custom code, configuration, and dependencies to build a single operating layer linking each step of a business process to the code that implements it. The platform enables business and IT teams to work together to transform complex, highly customised enterprise systems faster and at lower cost.
Wordsmith raises £55m Series B from Highland Europe and Index Ventures to bring end-to-end operations platform to in-house legal teams
Wordsmith is a legal operations platform for in-house legal teams. The platform takes requests from the business, routes them to the right owner, resolves routine work using AI workers and approved playbooks, and reconciles what should be done against what was done.
Scope lands £15m in funding led by Index Ventures to modernise industrial inspections with workflow software
Scope is a London startup building workflow software for the testing, inspection and certification industry. The platform captures inspection data through audio, video and notes, then generates reports and surfaces historical context for inspectors working across sectors including aerospace and energy.
Multiverse secures £52m led by Schroders Capital for AI and data upskilling platform for enterprise workforces
Multiverse is a workforce training platform that helps employers identify skills gaps and deliver AI, data and digital training programmes to employees. The platform is used by organisations to support AI adoption, improve productivity and equip staff with practical technology skills.
Adfin lands £13m Series A led by Index Ventures for agentic business payments and cash management platform
Adfin builds software that helps businesses get paid on time and manage cashflow. The platform combines payment infrastructure and automated finance workflows to reduce late payments and remove manual invoice chasing for SMEs.
Ineffable Intelligence lands over £800m in a seed round led by Sequoia and Lightspeed to develop superintelligence with reinforcement learning
Ineffable Intelligence is an AI research startup developing systems that learn from their own experience to discover new knowledge. It focuses on building a “superlearner” designed to advance reinforcement learning and scientific discovery.
Ankar lands a £15m Series A led by Atomico to shift how companies generate and protect patents
Ankar builds an AI platform that helps companies and law firms analyse inventions, draft patents and manage intellectual property through a single secure workflow.
Wordsmith AI raises £18.5m Series A led by Index Ventures to embed legal AI agents in enterprises
Wordsmith AI embeds AI legal agents within organisations, helping in-house teams manage contracts, queries and workflows while supporting new roles focused on training and deploying legal AI systems.
Ankar secures £3m seed round led by Index Ventures to redefine IP management with AI agents
Ankar develops AI agents that support the full patent lifecycle, helping inventors assess novelty, draft applications and monitor infringement using scientific and legal data.
Arondite raises £9m seed round led by Index Ventures to power safe human-machine collaboration in defence
Arondite builds software that connects autonomous systems like drones and sensors, giving defence teams a single interface to monitor and control operations safely.
Plain raises £12m Series A led by Battery Ventures to build the future of B2B customer support
Plain develops a collaborative B2B customer support platform that unifies email, chat and tools like Slack, enabling support, engineering and success teams to resolve issues faster using shared workflows and AI assistance.
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SeedIndustrial
