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Top Startups in United Kingdom in 2026
Top AI startups in United Kingdom in 2026: ranked by funding, traction, and team strength. Updated as new data lands.
Fintech
16
MonzoA leading UK-based challenger bank offering a mobile-first banking experience.
WiseGlobal cross-border payments platform offering multi-currency accounts and business payment solutions.
FinastraEnterprise financial software for banks and institutions across lending, payments, and treasury.
FNZ Advisor AIGenerative AI solution embedded in FNZ's wealth platform to boost advisor productivity and client personalization.
Index VenturesGlobal venture capital firm backing ambitious entrepreneurs from seed to IPO across technology and life sciences.
RevolutGlobal financial super app with 70M+ customers across banking, crypto, trading, and payments.
Checkout.comCloud payment processing platform handling $300B+ annual volume for enterprise merchants.
TrueLayerThe leading global provider of financial APIs.
ZegoInsurance for the gig economy.
ZepzGlobal payments group simplifying cross-border transfers via WorldRemit and Sendwave.
SeedcampEurope's first and most active pre-seed and seed fund.
SumUpPoint-of-sale and payments platform for small merchants across 36 markets.
9finA debt market data and analytics platform for financial services businesses.
Starling BankA UK challenger bank offering a digital-first banking experience with a focus on innovative AI-powered financial tools.
MishiPayModular POS platform for modern retail, enabling frictionless shopping with self-checkout and RFID.
GoCardlessA payment platform for businesses to collect one-off and recurring payments via direct debit.Foundation Model
5
Google DeepMindPioneering AI research and development to solve intelligence and advance science for humanity.
ElevenLabsElevenLabs is an AI research and product company providing advanced generative AI for audio, including text-to-speech, voice cloning, and AI music generation.
Ineffable IntelligenceAI research lab building a superlearner capable of discovering all knowledge and skills autonomously.
Isomorphic LabsAI-driven drug discovery spinoff from DeepMind using AlphaFold to discover novel medicines.
WayveWayve develops embodied AI software for autonomous vehicles, using machine learning to create self-driving systems that generalize to new environments.Cybersecurity
4
PwCA global professional services firm offering audit, tax, and consulting services, now heavily investing in AI-driven security operations.
Apax PartnersGlobal private equity firm investing in Tech, Services, and Internet/Consumer sectors.
QuantexaQuantexa provides a contextual decision intelligence platform.
IntruderAttack surface management company.Energy
4Rio TintoA global leader in mining and metals, developing and operating mines, refineries and smelters.
Octopus EnergyGlobal clean energy tech company using proprietary software to provide affordable, renewable energy solutions.
AggrekoGlobal provider of modular, mobile power, heating, and cooling equipment for temporary industrial needs.
BPGlobal energy company involved in oil, gas, and low-carbon energy solutions.
Octopus EnergyGlobal clean energy tech company using proprietary software to provide affordable, renewable energy solutions.AggrekoGlobal provider of modular, mobile power, heating, and cooling equipment for temporary industrial needs.BPGlobal energy company involved in oil, gas, and low-carbon energy solutions.More companies
20
Formula 1The pinnacle of motorsport, a global racing championship and entertainment property.
Arm Holdings plcDesigns and licenses CPU cores and related technologies for semiconductors, powering most mobile devices and increasingly AI infrastructure.
Fenix InternationalParent company of OnlyFans, a content subscription service.BTBT Group is the UK's largest telecommunications company, providing broadband, mobile, TV, and enterprise networking services globally.
BT GroupBritish multinational telecommunications company providing fixed-line, broadband, and mobile services.
DeloitteGlobal professional services network providing audit, consulting, tax, and advisory services.
Reckitt BenckiserA multinational consumer goods company with a portfolio of health, hygiene, and nutrition brands.
RELXInformation and analytics provider for professional and business customers.
UbuntuA popular open-source Linux distribution.
UnileverA multinational consumer goods company that owns over 400 brands.
EPOSA leading provider of cloud-based point-of-sale (POS) and business management solutions for the hospitality industry.
OneWebGlobal satellite communications company providing high-speed, low-latency internet access via a constellation of LEO satellites.
TractableAI for visual assessment
Blue PrismEnterprise robotic process automation (RPA) software leader, now part of SS&C Technologies.
GymsharkGlobal fitness apparel and accessories brand known for its strong social media presence and community focus.
IntertekGlobal leader in Total Quality Assurance, providing testing, inspection, and certification services.
MatillionCloud-native data integration platform for transforming data into analytics-ready datasets.
Penguin Random House UKThe UK's largest book publisher, part of a global leader in trade publishing.
SynthesiaSynthesia is the #1 AI Video Communications Platform enabling businesses to create professional videos from text using AI avatars and voiceovers in 140+ languages, significantly saving time and budget
CausalyAI-powered knowledge discovery for life sciences.
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