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.
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.

Zevero
↑ 463% growthMaking 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% growthFramework 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% growthBusy 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% growthReliable 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% growthThe 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% growthCreate 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% growthThe 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% growthA 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% growthBuild 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% growthPowering 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% growthRational 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% growthGiving 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% growthWe 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% growthConstruction 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% growthFifth 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% growthNext 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% growthMachine 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% growthTaking 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% growthHuman Reasoning Lab
- Headcount: 15 (↑6 in last 12 months)
- Industries: Software Development
- Tech Highlights: Github, Python, React, Typescript
- Hiring for: Software Engineer

thymia
↑ 65% growthMaking 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% growthCapital 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% growthEnable 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% growthWe 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% growthBuilding 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% growthThe 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% growthBuilding 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% growthData 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% growthBringing 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% growthSaaS 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% growthWhether 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)
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