Fast Growing UK Startups

High-growth startups that recently raised funds and are expanding their reach. These companies are driving innovation, scaling rapidly, and shaping the future of their industries.

Sort and filter
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Total: 115 Company
9fin
Fintech
More info
The faster, smarter way to find debt market intelligence
London, UK
201-500
  (Size)
Series B >
$87.2M
More info
Addionics
Sustainability
More info
Addionics is redesigning the architecture of rechargeable batteries.
London, UK
11-50
  (Size)
Series B >
$74.5M
More info
Adludio
Software Development
More info
Where AI, creative, and data intersect to deliver unprecedented digital ad engagement.
London, UK
51-200
  (Size)
Series A
$20.5M
More info
Altilium Clean Technology
Sustainability
More info
Critical Metals Supplier to Electric Vehicle Batteries
London, UK
11-50
  (Size)
Series B >
$23.47M
More info
Anam
Artificial Intelligence
More info
Changing the way humans interact with technology through real-time, expressive AI personas.
London, UK
1-10
  (Size)
Seed
$11.3M
More info
Aslan
Fintech
More info
Aslan is an all-in-one employee benefit that reduces your business costs and makes employees’ pay go further.
London,UK
1-10
  (Size)
Seed
$5M
More info
AssetCool
Deep Tech
More info
On a mission to reduce the cost of adding 1MW of capacity to overhead lines by as much as 95%.
Leeds, UK
11-50
  (Size)
Series A
£16.5M
More info
Basket
E-Commerce
More info
Your AI shopping agent. We’re reimagining online shopping, automating the hard parts and making it truly personalised.
London, UK
1-10
  (Size)
Seed
£5.9M
More info
BeZero Carbon
Sustainability
More info
Carbon credit ratings platform
London, UK
51-200
  (Size)
Series B >
$104M
More info
Beamery
Artificial Intelligence
More info
Talent lifecycle management
London, UK
201-500
  (Size)
Series B >
$228M
More info
Birdie
Healthtech
More info
Caretech SaaS for elderly homecare
London, UK
51-200
  (Size)
Series B >
$52M
More info
Bits
Fintech
More info
Bits - Build Credit
London,UK
11-50
  (Size)
Seed
$125K
More info
Bondaval
Fintech
More info
Smart credit risk security.
London, UK
1-10
  (Size)
Series A
$23.5M
More info
Builder.ai
Software Development
More info
No-code software builder
London, UK
201-500
  (Size)
Series B >
$450M
More info
Capi Money
Fintech
More info
Helping businesses in Africa pay their overseas suppliers.
London,UK
11-50
  (Size)
Series A
$20.1M
More info
CarbonChain
Sustainability
More info
Empowering companies and banks to decarbonize supply chains.
London, UK
11-50
  (Size)
Series A
$14.79M
More info
Causal
Software Development
More info
The business planning platform for finance and beyond.
London, UK
1-10
  (Size)
Series A
$24M
More info
Century Tech
Edtech
More info
CENTURY is the award-winning artificial intelligence education technology company.
London, UK
51-200
  (Size)
Series A
$12.2M
More info
Cera
Healthtech
More info
AI-powered home healthcare provider
London, UK
501 - 1000
  (Size)
Series B >
$407M
More info
Cogna
Artificial Intelligence
More info
Precision software defined by you, delivered by AI.
London, UK
51-200
  (Size)
Series A
Series A
More info
Cognism
Software Development
More info
B2B sales intelligence
London, UK
201-500
  (Size)
Series B >
$130M
More info
Cogsy
E-Commerce
More info
Giving Shopify merchants the end-to-end inventory visibility needed to operate with 100% certainty.
Bristol, UK
1-10
  (Size)
Seed
€8.7M
More info
ComplyAdvantage
Fintech
More info
RegTech AML platform
London, UK
501 - 1000
  (Size)
Series B >
$140M
More info
Cyscale
Cyber Security
More info
#1 Cloud Security Platform used by SMEs to reduce risks and stop threats
London, UK
1-10
  (Size)
Seed
€3.5M
More info
Diesta
Fintech
More info
The first custom built software for premium reconciliation
London, UK
1-10
  (Size)
Seed
$5.7M
More info
Drift Energy
Sustainability
More info
A new class of mobile renewable energy.
Bath, UK
1-10
  (Size)
Seed
$6.38M
More info
Duel Tech
Software Development
More info
Enabling brands to transform customers into their biggest acquisition channel.
London, UK
1-10
  (Size)
Seed
£4.3M
More info
ElevenLabs
Artificial Intelligence
More info
Making content universally accessible in any language and voice.
London, UK
51-200
  (Size)
Series B >
$281M
More info
Embeddable
Artificial Intelligence
More info
Build Remarkable Analytics Experiences
London, UK
1-10
  (Size)
Seed
€6M
More info
Ember
Fintech
More info
Tackling tax and accounting so you don't have to | Available to sole traders and limited companies
London, UK
1-10
  (Size)
Seed
£10.9M
More info
Emma
Fintech
More info
Start budgeting, saving and investing today! If you invest, your capital is at risk.
London, UK
11-50
  (Size)
$7.5M
More info
Faculty
Artificial Intelligence
More info
AI-as-a-service platform
London, UK
201-500
  (Size)
Series B >
$60M
More info
Ferovinum
Fintech
More info
Capital partners to the wine and spirits industry.
London,UK
11-50
  (Size)
Series A
$579.2M
More info
Flexciton
Deep Tech
More info
Powering your autonomous factory transition with intelligent planning and scheduling.
London,UK
11-50
  (Size)
Series A
$29M
More info
Flo Health
Healthtech
More info
Women’s health app for cycle tracking
London, UK
51-200
  (Size)
Series B >
$275M
More info
Genie
E-Commerce
More info
Effortlessly manage inventory tracking, planning, and ordering in minutes. Acquired by Doss.com in July 2025.
London, UK
1-10
  (Size)
Seed
$5.8M
More info
Genie AI
LegalTech
More info
Your AI Legal Assistant
London, UK
11-50
  (Size)
Series A
$18,8M
More info
GetHarley
Healthtech
More info
Telehealth skincare platform
London, UK
51-200
  (Size)
Series B >
$52M
More info
GoCardless
Fintech
More info
Recurring bank payment platform
London, UK
501 - 1000
  (Size)
Series B >
$500M
More info
Granola
Artificial Intelligence
More info
AI-powered productivity app
London, UK
1-10
  (Size)
Series B >
$71.9M
More info
HIVED
Sustainability
More info
AI-powered parcel delivery network built for ecommerce.
London,UK
51-200
  (Size)
Series B >
$56.8M
More info
Healf
Healthtech
More info
Healf exists to inspire wellbeing by connecting people to the world’s best health brands.
London, UK
51-200
  (Size)
Seed
$2,4M
More info
Healx
Healthtech
More info
AI drug discovery for rare diseases
Cambridge, UK
51-200
  (Size)
Series B >
$110M
More info
Hicomply
Cyber Security
More info
Don't just comply - Conquer! ISMS Platform - GRC Standards-ISO27001-14001-42001-SOC2-NIST- PCI/DSS-NHS DSPT and more.
Durham, UK
1-10
  (Size)
Seed
£3.6M
More info
Huma
Healthtech
More info
Digital health platform
London, UK
201-500
  (Size)
Series B >
$370M
More info
Hyper
Software Development
More info
The digital layer for the physical world
London, UK
1-10
  (Size)
Seed
$3.4M
More info
Immersive Labs
Cybersecurity
More info
Cyber workforce training
Bristol, UK
201-500
  (Size)
Series B >
$189M
More info
Incard
E-Commerce
More info
The financial platform made for ecommerce.
London, UK
1-10
  (Size)
Seed
£5.2M
More info
Insurtech Gateway
Fintech
More info
The specialist insurtech investor, supporting early-stage MGA and SaaS founders tackling large scale challenges.
London, UK
1-10
  (Size)
Seed
£2.5M
More info
Kita
Sustainability
More info
We Insure Carbon
London, UK
1-10
  (Size)
Seed
£4.4M
More info
Koru Kids
Software Development
More info
Outstanding childcare for modern families.
London,UK
11-50
  (Size)
Series A
£14.1M
More info
Landytech
Fintech
More info
Your investment management command centre
London,UK
51-200
  (Size)
Series B >
$18M
More info
LendInvest (LSE: LINV)
Fintech
More info
Technology to transform the mortgage market
London,UK
201-500
  (Size)
Series B >
$129M
More info
Lendable
Fintech
More info
Consumer lending platform
London, UK
201-500
  (Size)
Series B >
$275M
More info
Leva Clinic
Healthtech
More info
Digital chronic pain clinic
London, UK
11-50
  (Size)
Series A
$3.5M
More info
Limbic
Healthtech
More info
Limbic offers AI software for mental healthcare.
London, UK
11-50
  (Size)
Series A
$14.2M
More info
Lindus Health
Healthtech
More info
AI-driven clinical trials platform
London, UK
51-200
  (Size)
Series B >
$79M
More info
Lottie
Healthtech
More info
Platform that helps families find and manage later-life care homes and services.
London, UK
51-200
  (Size)
Series A
$31.7M
More info
Luminance
LegalTech
More info
Luminance is the pioneer in Legal-Grade™ AI for enterprise.
Cambridge,UK
201-500
  (Size)
Series B >
$165M
More info
MAGIC AI
Artificial Intelligence
More info
Get personally trained by the world’s best athletes in your own invisible gym.
London, UK
1-10
  (Size)
Seed
$7.5M
More info
Matnex
Deep Tech
More info
Accelerating change to net-zero materials
London, UK
1-10
  (Size)
Seed
$ 2.6M
More info
Multiverse
Edtech
More info
Professional apprenticeship platform
London, UK
1001 +
  (Size)
Series B >
$400M
More info
NayaOne
Fintech
More info
NayaOne helps enterprises adopt top tech fast with vetted vendors, synthetic data & secure test environments.
London, UK
1-10
  (Size)
Seed
$6.2M
More info
Neurolabs
Deep Tech
More info
The Global Standard in Image Recognition for the Consumer Goods Space
London, UK
11-50
  (Size)
Series A
$12.22M
More info
Nibble
Fintech
More info
AI negotiation platform for enterprises to automate negotiations at scale. Ideal for Sales Contracts and Procurement.
London, UK
1-10
  (Size)
Seed
$3.6M
More info
Novatus Global
Software Development
More info
Enabling firms to meet their most complex regulatory requirements through technology and expert-led advisory services.
London,UK
51-200
  (Size)
Series B >
$45.9M
More info
Nuclera
Healthtech
More info
Desktop eProtein discovery
Cambridge, UK
51-200
  (Size)
Series B >
$75M
More info
Omnea
Software Development
More info
Intelligent procurement intake and orchestration.
London, UK
51-200
  (Size)
Series A
$75.1M
More info
Peppy Health
Healthtech
More info
Employee health benefits platform
London, UK
51-200
  (Size)
Series B >
$56M
More info
Pheon Therapeutics
Healthtech
More info
Cancer drug developer
St Albans, UK
1-10
  (Size)
Series B >
$188M
More info
Phlo
Healthtech
More info
Phlo is a digital pharmacy that provides secure, real-time, same-day prescription delivery.
London, UK
51-200
  (Size)
Seed
£23.8M
More info
Phlux Technology
Deep Tech
More info
"Phlux Technology Phlux is building infrared sensors that will enable a connected and clean future."
Sheffield, UK
1-10
  (Size)
Series A
£13.67M
More info
PolyAI
Artificial Intelligence
More info
Conversational AI voice assistants
London, UK
51-200
  (Size)
Series B >
$70M
More info
Pomelo
Fintech
More info
Pomelo provides financial institutions and enterprises with a unified payment platform solution to boost revenue and lower costs.
London, UK
1-10
  (Size)
Series A
$14.3M
More info
Portal Biotech
Healthtech
More info
Transforming proteomics through single-molecule detection
London, UK
11-50
  (Size)
Series A
$35M
More info
Proportunity
Fintech
More info
Own the home you love, sooner.
London, UK
1-10
  (Size)
Series A
$168.3M
More info
Proximie
Healthtech
More info
AR tele-surgery platform
London, UK
201-500
  (Size)
Series B >
$130M
More info
Q5D
Deep Tech
More info
Manufacturer of automated robotic systems for wire harness production
Bristol, UK
11-50
  (Size)
Series A
$8.03M
More info
Quantum Dice
Deep Tech
More info
Quantum Dice is an award-winning, fast growing quantum technology and photonics developer backed by world leading innovation from the University of Oxford.
Oxford,UK
11-50
  (Size)
Seed
$1.36M
More info
Quin AI
Artificial Intelligence
More info
Predict behavior. Instantly. Accurately. With ease. The first gen-AI platform for real-time behavior prediction
London, UK
1-10
  (Size)
Seed
£2.1M
More info
Revolut
Fintech
More info
Change the way you money.
London,UK
1001 +
  (Size)
Series B >
$10M
More info
Robin AI
LegalTech
More info
Robin is leading the shift to the New Legal.
London,UK
201-500
  (Size)
Series B >
$82M
More info
Sense Street
Fintech
More info
GenAI for Capital Markets
London,UK
11-50
  (Size)
Seed
$893.1K
More info
Serene
Fintech
More info
Empowering Institutions. Safeguarding Customers.
London, UK
1-10
  (Size)
Seed
£930K
More info
Sikoia
Software Development
More info
Turn unstructured data into faster customer onboarding with AI-powered verification.
London, UK
1-10
  (Size)
Seed
$8.4M
More info
Simpler.
E-Commerce
More info
We make shopping Simpler.
London, UK
1-10
  (Size)
Seed
€9M
More info
Smart Pension
Fintech
More info
Pension SaaS platform
London, UK
501 - 1000
  (Size)
Series B >
$500M
More info
Sona (getsona.com)
Software Development
More info
The next generation workforce management solution.
London, UK
51-200
  (Size)
Series A
$70.6M
More info
Speechmatics
Artificial Intelligence
More info
Speech recognition engine
Cambridge, UK
51-200
  (Size)
Series B >
$70M
More info
Starling Bank
Fintech
More info
Good with money
London, UK
1001 +
  (Size)
Series B >
$1.1B
More info
Sunsave
Sustainability
More info
Making solar accessible to all households with the UK’s first solar subscription
London, UK
11-50
  (Size)
Series A
$167.05M
More info
Swap
Software Development
More info
Swap is building commerce infrastructure for the future.
London,UK
11-50
  (Size)
Series B >
$49M
More info
Switchee
Sustainability
More info
B Corp™ | Data-driven property insights for social landlords.
London,UK
51-200
  (Size)
Series A
$20.1M
More info
Synthesia
Artificial Intelligence
More info
AI video generation platform
London, UK
201-500
  (Size)
Series B >
$330M
More info
Thought Machine
Fintech
More info
Thought Machine builds the Vault platform: cloud-native core banking and payments technology.
London,UK
501 - 1000
  (Size)
Enterprise
$562.8M
More info
Titanbay
Fintech
More info
Transforming Private Markets.
London, UK
51-200
  (Size)
Series A
-
More info
Tracebit
Cyber Security
More info
Expect the unexpected with cloud canaries
London, UK
1-10
  (Size)
Seed
$5M
More info
TreasurySpring
Fintech
More info
Building the best institutional cash investment platform on the planet
London, UK
51-200
  (Size)
$43.5M
More info
Treefera
Software Development
More info
Treefera delivers first-mile visibility to build resilient supply chains – through transparent data and AI.
London, UK
11-50
  (Size)
Series B >
$44.2M
More info
V7
Software Development
More info
Automate workflows with AI agents. Label data at scale to build custom AI.
London, UK
51-200
  (Size)
Series A
$36M
More info