Fastest Growing Startups 2024 Collection

The Fastest Growing Startups 2024 Collection ranks the top startups (10-50 headcount) who are actively hiring engineers in London, based on their headcount growth in the last 12 months.

Start-ups
Hiring engineers
London
Fastest Growing 2024

cord Collections are designed to make finding standout opportunities in tech simpler for engineers. Each collection is handpicked from a database of over 20,000 UK tech businesses.

30 companies in collection
Ordered by % headcount growth

Zevero

↑ 463% growth

Making zero emissions a reality. We help companies measure, monitor, and reduce their carbon footprint using software.

  • Headcount: 46 (↑38 in last 12 months)
  • Industries: Envirotech
  • Tech Highlights: AWS, Django, PostgreSQL
  • Hiring for: Senior Front End Engineer, Senior Back End Engineer

YeagerAI

↑ 350% growth

Framework for Collaborating AI Agents

  • Headcount: 18 (↑14 in last 12 months)
  • Industries: Internet
  • Tech Highlights: Blockchain, JavaScript, Node.js, Python, React
  • Hiring for: Senior Python Developer

Granola

↑ 225% growth

Busy building the LLM-powered workspace of the future.

  • Headcount: 14 (↑10 in last 12 months)
  • Industries: Machine Learning and AI
  • Tech Highlights: AWS, MySQL, Node.js, React, Terraform, Typescript
  • Hiring for: AI Engineer, Product Engineer

Capi Money

↑ 217% growth

Reliable international payments for importers in Africa

  • Headcount: 19 (↑13 in last 12 months)
  • Industries: FinTech
  • Tech Highlights: ExpressJS, Node.js, PostgreSQL, React Native, Typescript
  • Hiring for: Senior Fullstack Engineer (£80K-110K)

Gensyn

↑ 171% growth

The Machine Learning Compute Protocol that unites all of the world’s compute into a global machine learning supercluster

  • Headcount: 19 (↑12 in last 12 months)
  • Industries: Software Development
  • Tech Highlights: APIs, CSS, HTML, JavaScript, Machine Learning, Python, Typescript
  • Hiring for: Systems Engineer, Fullstack Engineer

Recraft

↑ 156% growth

Create visually consistent graphics

  • Headcount: 23 (↑14 in last 12 months)
  • Industries: Graphic Design
  • Tech Highlights: Android, iOS, React, React Native, Swift
  • Hiring for: Frontend Developer

Borderless

↑ 123% growth

The world’s workforce migration platform, reducing economic inequality by giving workers the freedom to live in any country

  • Headcount: 30 (↑17 in last 12 months)
  • Industries: HR and Recruitment, Legal, Marketplace
  • Tech Highlights: Angular, AWS, JavaScript, Node.js, PostgreSQL, React, SQL, Technical Direction, Typescript, Vue.js
  • Hiring for: Founding Software Engineer

amarti

↑ 120% growth

A consultancy where people and technology come together to deliver powerful technical solutions.

  • Headcount: 11(↑6 in last 12 months)
  • Industries: Consultancy
  • Tech Highlights: Ansible, AWS, Azure, CI/CD, CloudFormation, Docker, Git, Jenkins, Kubernetes, Terraform

Stacklok

↑ 117% growth

Build securely.

  • Headcount: 39 (↑21 in last 12 months)
  • Industries: Computer and Network Security
  • Tech Highlights: APIs, Automations, AWS, CI/CD, Data Analysis, Kubernetes, Python
  • Hiring for: Senior Site Reliability Engineer, Software Engineer, Senior Software Engineer, Site Reliability Engineer

evroc

↑ 112% growth

Powering a digital Europe

  • Headcount: 39 (↑21 in last 12 months)
  • Industries: Software Development
  • Tech Highlights: Ansible, Helm, Kubernetes, Linux, Rust, Terraform
  • Hiring for: Front End Software Engineer, Software Engineer

Orbital Materials

↑ 110% growth

Rational materials designed using foundational AI.

  • Headcount: 22 (↑12 in last 12 months)
  • Industries: Machine Learning and AI
  • Tech Highlights: JavaScript, Machine Learning, Python, React
  • Hiring for: Full Stack Software Engineer

Makerble

↑ 108% growth

Giving organisations the data collection, client management and reporting tools to measure their impact.

  • Headcount: 25 (↑13 in last 12 months)
  • Industries: Internet
  • Tech Highlights: Ansible , AWS, Cloud Security, Docker, Git, JavaScript, Jenkins, Kubernetes, Ruby, Terraform
  • Hiring for: Golang Developer, DevOps Engineer

HireAra

↑ 89% growth

We make your candidates and your brand stand out

  • Headcount: 16 (↑8 in last 12 months)
  • Industries: Software Development
  • Tech Highlights: Agile, APIs, AWS, DynamoDB, Git, Microservices, Python, React, Serverless, Typescript
  • Hiring for: Full Stack Developer

Konstructly

↑ 88% growth

Construction project management service.

  • Headcount: 15 (↑7 in last 12 months)
  • Industries: Construction,Software Development
  • Tech Highlights: BDD, Docker, Java, Kotlin, TDD
  • Hiring for: Lead Backend Kotlin Engineer

Fifth Dimension AI

↑ 88% growth

Fifth Dimension AI is ushering in a golden age of work, where boring tasks are automated away, the right data are always at your fingertips, and maximal creativity is encouraged.

  • Headcount: 15 (↑7 in last 12 months)
  • Industries: Technology, Real Estate, Finance
  • Tech Highlights: Artificial Intelligence, Azure, Cloud Computing, Data Architecture, GCP, Github, Machine Learning, Microservices, PostgreSQL, Python, Software Architecture
  • Hiring for: Staff AI Engineer (£100K-150K)

Pactio

↑ 82% growth

Next generation Private Equity.

  • Headcount: 31 (↑14 in last 12 months)
  • Industries: FinTech
  • Tech Highlights: React, Typescript
  • Hiring for: Full Stack Engineer (£80K-140K)

Abtrace

↑ 81% growth

Machine learning and clinical data reshaping the delivery of primary care for over 3 million patients

  • Headcount: 29 (↑13 in last 12 months)
  • Industries: Machine Learning and AI, HealthTech, MedTech
  • Tech Highlights: API Security, AWS, Azure, Cloud Computing, Cloud Security, Cyber Essentials, Cyber Security, Data Security, Penetration Testing, Security Testing, Windows
  • Hiring for: Security Engineer

Omnea

↑ 78% growth

Taking the hassle out of B2B purchasing.

  • Headcount: 49 (↑21 in last 12 months)
  • Industries: Software Development
  • Tech Highlights: AWS, DynamoDB, Github, JavaScript, Product Roadmap, Product Strategy, React, Serverless, Technical Direction, Typescript
  • Hiring for: Staff Software Engineer, Senior Software Engineer, Full Stack Software Engineer, Principal Software Engineer, Engineering Manager, Sales Engineer

Cosine

↑ 67% growth

Human Reasoning Lab

  • Headcount: 15 (↑6 in last 12 months)
  • Industries: Software Development
  • Tech Highlights: Github, Python, React, Typescript
  • Hiring for: Software Engineer

thymia

↑ 65% growth

Making mental health assessments smart.

  • Headcount: 32 (↑13 in last 12 months)
  • Industries: HealthTech, Machine Learning and AI
  • Tech Highlights: AWS, Django, JavaScript, Next, PostgreSQL, Python, React, Serverless, Tailwind CSS, Typescript
  • Hiring for: Senior Full Stack Software Engineer (£80K-95K), Senior Data Engineer (£80K-95K), Principal Data Engineer (£80K-110K)

Ferovinum

↑ 65% growth

Capital partners to the wine and whisky industry

  • Headcount: 28 (↑11 in last 12 months)
  • Industries: Finance
  • Tech Highlights: C#, Java, MVP, Product Roadmap, Python, Typescript
  • Hiring for: Senior Application Developer (£60K-60K)

Metaview

↑ 55% growth

Enable world-class and aspirational organizations to identify, attract, and grow the right people with unerring reliability

  • Headcount: 34 (↑12 in last 12 months)
  • Industries: HR and Recruitment
  • Tech Highlights: AWS, Python, React, Serverless, Terraform, Typescript
  • Hiring for: Product Engineer, Product Engineer, Product Engineer, Product Engineer

focaldata

↑ 50% growth

We give progressive campaigns the tools to find and engage their hidden audience

  • Headcount: 48 (↑16 in last 12 months)
  • Industries: Politics/Policy, Machine Learning and AI
  • Tech Highlights: Agile, Python
  • Hiring for: Senior Backend Engineer (£90K-110K)

Climate Policy Radar

↑ 50% growth

Building the evidence base for evidence-based policymaking.

  • Headcount: 31 (↑10 in last 12 months)
  • Industries: Machine Learning and AI, EnviroTech, Sustainability
  • Tech Highlights: APIs, AWS, Figma, Git, Integration Testing, React, Redux, Typescript
  • Hiring for: Senior Front End Engineer (£80K-90K)

Circuit Mind

↑ 46% growth

The fastest way to design reliable electronic systems

  • Headcount: 19 (↑6 in last 12 months)
  • Industries: Machine Learning and AI
  • Tech Highlights: Agile, Django, Docker, GraphQL, PostgreSQL, Python
  • Hiring for: Lead Software Engineer

Jenesys AI

↑ 46% growth

Building Jack, the world's bookkeeper

  • Headcount: 20 (↑6 in last 12 months)
  • Industries: Accounting, FinTech, Machine Learning and AI
  • Tech Highlights: APIs, AWS, Docker, FastAPI, Python, React, Testing, Typescript

GEEIQ

↑ 46% growth

Data platform for managing eSports, gaming, Metaverse, NFT partnership strategies

  • Headcount: 48 (↑15 in last 12 months)
  • Industries: Software Development, Big Data
  • Tech Highlights: APIs, AWS, Data Pipelines, JavaScript, Kubernetes, MongoDB, MySQL, React, Software Architecture, Typescript
  • Hiring for: Senior Fullstack Engineer (£60K-85K)

Sightline Climate (CTVC)

↑ 41% growth

Bringing clarity to the new climate economy

  • Headcount: 39 (↑11 in last 12 months)
  • Industries: Market Research
  • Tech Highlights: Automated Testing, AWS, CSS, Django, Python, React, Typescript
  • Hiring for: Software Engineer

Proprli

↑ 40% growth

SaaS Prop-Tech startup changing the way Real Estate professionals work

  • Headcount: 22 (↑6 in last 12 months)
  • Industries: PropertyTech
  • Tech Highlights: APIs, Laravel, Node.js, PHP, PostgreSQL, REST
  • Hiring for: Mid-Level Software Engineer

Ticket Tailor

↑ 38% growth

Whether it’s your first event ever, or your biggest event yet, we make it simple to sell tickets online.

  • Headcount: 34 (↑9 in last 12 months)
  • Industries: Events, Marketplace, Ticketing
  • Tech Highlights: AWS
  • Hiring for: DevOps Engineer (£60K-75K)