Web Summit 2025 brought together over 70,000 attendees in Lisbon this month to celebrate innovation and the global technology start-up ecosystem.
We scoured the exhibition floor, masterclasses, and pitch sessions to bring together the most exciting startups attending this year’s event.
In no particular order, these are UK Investor Magazine’s favourite startups from Web Summit 2025:
Nebius
Nebius is a $21bn market cap NASDAQ-listed AI infrastructure provider. The company effectively provides outsourced AI compute to hyperscalers. Nebius recently signed a $19bn deal with Microsoft to supply dedicated AI infrastructure. Their offering allows customers to deploy AI applications that scale elastically from single-GPU instances to pre-optimized, multi-thousand-NVIDIA-GPU clusters, supporting both model training and inference workloads at any scale.
Find out more: https://nebius.com/
PeachWeb
PeachWeb makes seriously cool websites accessible and affordable. They are the first 3D and AI-powered website Builder that makes stunning, interactive websites in minutes. With a few clicks, users can create industry-leading websites that set them apart from the competition.
Find out more: https://peachweb.io/
Fayder
FAYDER is the first fan engagement and funding platform built exclusively for elite athletes, enabling them to create subscriber communities where fans pay for behind-the-scenes content, exclusive experiences, and direct interaction while providing financial support for athletic careers. Unlike general platforms such as GoFundMe, Patreon, or OnlyFans, FAYDER addresses the specific needs of serious athletes who face declining government funding and limited sponsorship opportunities.
Find out more: https://faydersports.com/
ReachX
ReachX is pioneering digital investment banking for private markets. They provide clients with end-to-end solutions to manage private market fundraising and help connect investors with new opportunities. ReachX also provides the regulatory oversight for advisors to conduct deals within their ecosystem. Founded by ex-Goldman Sachs and J.P. Morgan investment bankers.
Find out more here: https://www.reachx.co/
Replit
One of Web Summit 2025’s headliners, Replit, is revolutionising software development with low- and no-code solutions that enable non-technical people to build fully functional apps. The company recently raised $250bn at a $3bn valuation on ARR of $150m. We spoke with Michele Casta, Head of AI at Replit, at Web Summit, who hinted at more exciting product developments in the coming months.
Find out more: https://replit.com/
GoodMora
GoodMora is AI for business strategy. GoodMora maps how businesses are wired, exposing misalignments and simulating change so leaders act with clarity. They focus on bringing together fragmented information to provide actionable insight into running business.
Find out more: https://www.goodmora.ai/
VibeVenture
VibeVenture is an AI-powered startup accelerator. The VibeVenture platform gives founders an AI-powered health score and daily guidance to stay on track and scale fast. It also helps startups connect with investors and provides access to AI agents.
Find out more: https://www.vibeventure.ai/
Scarlet AI
AI automation platform that plans and executes tasks, delegating to agents, tools or team members. Users have access to a chat interface to build out tools that help solve everyday tasks.
Find out more: https://scarletai.co/
Kinetara.ai by FrodX
Kinetara is an Agentic BPO with autonomous AI agents for missed calls, sales follow-ups, and payment reminders. Each agent understands context, acts independently, and delivers measurable outcomes.
Find out more: https://kinetara.frodx.com/en/
Orluma
Orluma turns missed calls into outcomes – instantly. They have developed sub-second, multilingual voice AI that answers, books, resolves, and handles FAQs across 50+ languages.
Find out more: https://orlumahq.com/
Athena AI
Athena AI allows you to unify all communicational channels into a single dashboard, train & deploy AI Agents across those channels and connect everything to your CRM or backend, without any coding. Athena AI Agents help with support, sales, HR, pre-qualification, and bookings.
Find out more: https://athenachat.ai/
Alludium
Alludium lets users deploy ready-made agents instantly or create custom agents through conversation—no coding required. Unlike isolated AI tools, Alludium’s agents collaborate with you and each other, learning your workflows and making deployment faster and simpler. They launched their product at Web Summit.
Find out more: https://www.alludium.ai/
Monnett
Monnett has developed a social media platform they say is ‘made for humans’. It offers an alternative to legacy platforms by giving people back control of their feed. They aim to reduce ‘creepy spying’ and avoid shadowbans, which have dented trust with some of the world’s leading platforms. Monnett recently hit 10,000 users.
Find out more: https://monnett.social/
VANKA
Autonomous company creation and operation for humans in the ‘post-employment era’. This is an end-to-end startup formation and launch entirely powered by AI. VANKA’s founders previously exited to Google and are now setting out to provide businesses with a solution to get started with just one founder.
Find out more: https://www.vanka.ai
AISYNG
AISYNG builds Intelligent business systems that let SMEs work faster, cut costs, and make enterprise-grade decisions without big teams.
Find out more: https://aisyng.ai/
Cogniflow
Cogniflow helps businesses save time and money by implementing AI agents. The firm provides AI agents for sales and SDR teams, designed to automate routine tasks. They believe their tools can increase in outreach volume and close 3x revenue.
Find out more: https://cogniflow.nl/
Crux Global
Crux is a digital legacy platform that simplifies how people prepare, protect, and pass on what matters most by combining practical tools like secure document storage and wills with emotional features such as time capsules. The platform makes legacy planning accessible and human-centered, allowing users to organise critical information and preserve meaningful messages for loved ones in one comprehensive, easy-to-use solution that goes beyond traditional estate planning.
Find out more: https://cruxlegacy.com/
The Loops
This is a vital tool for designers. The Loops turns feedback into a growth engine; sharpening designers, accelerating teams, and driving business impact. Users can get live feedback from the platforms on their designs, providing insight into key graphic design techniques and the visual appeal of their designs.
Find out more: https://theloops.co/
Cipher Labs
Cipher Labs provides live guardrails and a copilot for autonomous AI agents across all modalities. Their technology keeps agents on track and secure with ML detectors. Using proxy LLM connections through the Cipher AI platform, users can monitor voice agents and track key safety points.
Find out more: https://www.getcipher.ai
Fairw.ai
Fairwai is an AI-powered conversation intelligence platform that automatically captures and analyses every customer interaction across your existing communication tools, including Meet, Teams, Zoom, Aircall, 3CX, and Yeastar. The platform uses AI to identify speakers, topics, tone, and intent in real time, transforming raw conversations into actionable insights without manual effort.
Find out more here: https://fairw.ai/en/