98 Best UK Developer Tools Startups to Watch in 2023 | Seedtable

98 Developer Tools Startups in UK to Watch in 2023

UK's Developer Tools sector is booming. This year’s list of the best 98 UK Developer Tools startups is an eclectic mix of hyper-growth scaleups, small creative startups and everything in between.

The last update was made on March 09, 2023.

Curated by @gonsanchezs

UK 10+ employees Fast-growing


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Hadean

Hadean are a venture backed startup, reimagining distributed, spatial and scalable computing for web 3.0 and the metaverse.

London   101 to 250   $66 Million  

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Exclaimer

Exclaimer is a provider of an email signature management platform for cloud services such as Microsoft 365 and Google Workspace.

London   251 to 500   $160 Million  

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Hadean

Hadean are a venture backed startup, reimagining distributed, spatial and scalable computing for web 3.0 and the metaverse.

London   101 to 250   $66 Million  

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Impala

Impala's API connects room sellers and hotels, instantly. We empower you to build, innovate and sell.

London   51 to 100   $33 Million  

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Quix

Quix is a server-less real-time data platform that provides real-time back-end application and data processing services.

London   11 to 50   $16 Million  

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Quix

Quix is a server-less real-time data platform that provides real-time back-end application and data processing services.

London   11 to 50   $16 Million  

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Quix

Quix is a server-less real-time data platform that provides real-time back-end application and data processing services.

London   11 to 50   $16 Million  

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Legl

Legl provides cloud-based solutions bringing law firms into the digital-first world.

London   11 to 50   $25 Million  

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Plain.

Customer support for modern tools. Fast, flexible and extendable.

London   1 to 10   $0  

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Weavr

Weavr is an online platform that creates, integrates, deploys, and runs digital payment flows.

London   1 to 10   $54 Million  

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Devo

Devo is a cybersecurity company that provides cloud-native logging and security analytics for organizations.

Cambridge   251 to 500   $480 Million  

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Surfboard

Surfboard provides scheduling and building workforce management through customer service software.

London   11 to 50   $4.9 Million  

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Weaveworks

Weaveworks simplifies operating Kubernetes workloads and provides a developer-centric operating model for cloud-native applications.

London   11 to 50   $62 Million  

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Weaveworks

Weaveworks simplifies operating Kubernetes workloads and provides a developer-centric operating model for cloud-native applications.

London   11 to 50   $62 Million  

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SearchLand

SearchLand is a proptech that lets property developers and investors find potential sites and contact landowners directly via the platform.

London   1 to 10   $3 Million  

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Fuzey

Build better customer relationships with multi-channel messaging. Fuzey’s customer hub gives you all the tools you need to grow your biz

London   1 to 10   $5.2 Million  

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Tickitto

Tickitto is a travel technology company that develops a ticket assistant platform to help people book tickets.

London   1 to 10   $5.1 Million  

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Digger

Generates infrastructure for your code in your cloud account so you can build on AWS without having to learn it

London   1 to 10   $3.3 Million  

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Digger

Generates infrastructure for your code in your cloud account so you can build on AWS without having to learn it

London   1 to 10   $3.3 Million  

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Digger

Generates infrastructure for your code in your cloud account so you can build on AWS without having to learn it

London   1 to 10   $3.3 Million  

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Glasswall

Glasswall is a technology company that protects organizations from file-based threats.

London   51 to 100   $71 Million  

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Monolith AI

Monolith AI develops an AI assistant designed to help engineers improve product development.

London   11 to 50   $14 Million  

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Glasswall

Glasswall is a technology company that protects organizations from file-based threats.

London   51 to 100   $71 Million  

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Railsr

Railsbank is a platform and financial services, enabling banks, businesses and brands to define the future of consumer and SME finance.

London   251 to 500   $190 Million  

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EVRYTHNG

EVRYTHNG develops an IoT platform for consumer product brands, articulating data with real-time insights for billions of things.

London   51 to 100   $51 Million  

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Fidel API

Fidel API is a global financial infrastructure platform, providing tools to build powerful, real-time products on top of payment cards.

London   51 to 100   $86 Million  

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Skiller Whale

SaaS for getting the most from a software dev team

London   1 to 10   $3.8 Million  

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zeroheight

Zeroheight is a DevOps platform that allows design teams to create up-to-date style guides and document their design system resources.

London   11 to 50   $11 Million  

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Qredo

Qredo is a platform that provides secure and fast movement of digital assets.

London   11 to 50   $190 Million  

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Munch

Website builder platform

London     $1.5 Million  

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Metomic

Metomic detects, classifies and controls sensitive data in cloud applications

London   11 to 50   $5.6 Million  

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Distributed

Distributed is a software development company that provides an on-demand Elastic Team that allows getting things done faster.

London   11 to 50   $61 Million  

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Diffblue

An Oxford spin-out using AI to write code, starting with Java unit test suites that catch errors earlier and faster in a DevOps pipeline.

Oxford   11 to 50   $35 Million  

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ONI

ONI is a pioneer of super-resolution microscopy, making this advanced technology accessible to new generations of researchers.

Oxford   51 to 100   $110 Million  

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Connex One

Connex One is a cloud based omni-channel engagement platform.

Manchester   51 to 100   $100 Million  

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42Crunch

42Crunch is an API Security platform, addressing the development, testing, and deployment security requirements of API infrastructure.

London   11 to 50   $21 Million  

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Artificial Labs

Artificial is building the next generation of insurance technology to empower commercial insurers to write better risks, faster.

London   11 to 50   $17 Million  

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Conjura

Conjura is a company that draws on expertise in consultancy, software engineering, data science and analytics.

London   11 to 50   $16 Million  

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Devtech

Devtech is a Professional Services company focused on cloud enablement solutions for Telcos, CSPs, ISVs and MSPs.

London   101 to 250   $13 Million  

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Tatum

Tatum gives developers, entrepreneurs, and businesses a platform to utilize blockchain technology regardless of the blockchain.

London   51 to 100   $50 Million  

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NeuralSpace

The one-stop solution for all your NLP needs in 100+ languages

London   11 to 50   $3.1 Million  

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Cyscale

Cloud-native Security and Compliance - scalable Products and Services for Cloud Cybersecurity, DevSecOps and Cloud Security Management.

London   11 to 50   $3.8 Million  

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Cerbos

Cerbos is a software company that makes user permissions and authorization simple to implement and manage.

London   1 to 10   $3.5 Million  

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Northflank

The comprehensive developer platform to build and scale microservices, jobs and managed databases.

London   1 to 10   $2.6 Million  

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Cyscale

Cloud-native Security and Compliance - scalable Products and Services for Cloud Cybersecurity, DevSecOps and Cloud Security Management.

London   11 to 50   $3.8 Million  

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Insurami

Insurami offers a deposit guarantee platform for commercial real estate

London   1 to 10   $2.5 Million  

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Cyscale

Cloud-native Security and Compliance - scalable Products and Services for Cloud Cybersecurity, DevSecOps and Cloud Security Management.

London   11 to 50   $3.8 Million  

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Gearset

Setting the standard for Salesforce DevOps

Cambridge   101 to 250   $55 Million  

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Cyscale

Cloud-native Security and Compliance - scalable Products and Services for Cloud Cybersecurity, DevSecOps and Cloud Security Management.

London   11 to 50   $3.8 Million  

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AND Digital

AND Digital provides product strategy, data engineering, mobile apps, cloud, software, consulting, UX research, and design services.

London   1001 to 5000   $0  

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Arkivum

We deliver software, services & expertise for long-term data management and digital preservation globally

London   11 to 50   $25 Million  

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Tyk

Tyk is an open source API gateway and management platform that provides on-premises, cloud/multi-cloud, and enterprise.

London   101 to 250   $40 Million  

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Makers

Our mission is to transform lives: accelerating the careers of tech professionals by integrating education and employment.

London   11 to 50   $0  

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Synchtank

The SaaS software platform for managing and monetizing music & media assets

London   11 to 50   $7.2 Million  

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BMLL Technologies

BMLL Technologies is the leading, independent provider of Level 3 Historical Data and Analytics for Capital Markets participants.

London   51 to 100   $38 Million  

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Ori Industries

Ori is a global cloud to edge platform enabling modern businesses to manage and deploy workloads across any infrastructure

London   11 to 50   $13 Million  

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GDevelop

GDevelop is an open-source, cross-platform game engine designed for everyone.

London   1 to 10   $0  

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LemonEdge

LemonEdge is a low-code development platform with integrated accounting engine, designed for financial services.

London   1 to 10   $2.5 Million  

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Push Security

Push Security is a developer of a security automation platform.

London   11 to 50   $4 Million  

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tru.ID

tru.ID is reinventing mobile authentication for today's world through a modern developer platform.

London   11 to 50   $9 Million  

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Frolo

Frolo provides community app for single parents to connect with like-minded local single parents for support, guidance and virtual meetups.

London   1 to 10   $500 Thousand  

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Greenpixie

Greenpixie measures and understands cloud emissions and provides the tools to demystify the environmental impact of cloud computing.

London   1 to 10   $300 Thousand  

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Ultraleap

Ultraleap is working to create the most remarkable connection between people and technology.

Bristol   51 to 100   $170 Million  

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CloudPay

CloudPay provides global payroll, treasury, and on-demand pay solutions to multinational organizations.

Andover   501 to 1000   $260 Million  

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CloudPay

CloudPay provides global payroll, treasury, and on-demand pay solutions to multinational organizations.

Andover   501 to 1000   $260 Million  

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Cyclr

SaaS integration platform for SaaS companies. Deliver powerful integrations and workflows direct to users from within your SaaS application.

London   51 to 100   $12 Million  

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Quality Clouds

DevOps for Low-Code / No-Code

London   11 to 50   $8.1 Million  

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Quality Clouds

DevOps for Low-Code / No-Code

London   11 to 50   $8.1 Million  

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Cyclr

SaaS integration platform for SaaS companies. Deliver powerful integrations and workflows direct to users from within your SaaS application.

London   51 to 100   $12 Million  

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Cyclr

SaaS integration platform for SaaS companies. Deliver powerful integrations and workflows direct to users from within your SaaS application.

London   51 to 100   $12 Million  

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Evorra

SaaS marketplace, clean room technology, full transparency, privacy and data compliance at scale

London   1 to 10   $2.7 Million  

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Memgraph

Memgraph is an open source graph database built for real-time streaming and compatible with Neo4j.

London   11 to 50   $18 Million  

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Memgraph

Memgraph is an open source graph database built for real-time streaming and compatible with Neo4j.

London   11 to 50   $18 Million  

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SalesTrip

Expense management and travel booking system on Salesforce. Better track and justify expense spend with SalesTrip.

London   11 to 50   $4 Million  

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8XR

The most powerful metaverse graphic web engine

London   1 to 10   $820 Thousand  

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WealthKernel

WealthKernel is a supplier of infrastructure for companies looking to offer digital investment services.

London   11 to 50   $14 Million  

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Undo

Undo is the time travel debugging company for Linux. We equip developers with the technology to understand complex code and fix bugs faster.

Cambridge   11 to 50   $21 Million  

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GeoSpock

GeoSpock builds GeoSpock DB, the unique space-time analytics database that delivers rapid insights at a fraction of the cost.

Cambridge   11 to 50   $38 Million  

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GeoSpock

GeoSpock builds GeoSpock DB, the unique space-time analytics database that delivers rapid insights at a fraction of the cost.

Cambridge   11 to 50   $38 Million  

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StackZone

StackZone is a secure, cost-efficient, and self-service cloud management platform for multi-account environments

London   11 to 50   $1.9 Million  

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Hypi

Hypi is an no-code and low-code application developer community centered around its SaaS & Enterprise platforms.

London   11 to 50   $210 Thousand  

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Airex

Airex is a smart ventilation control that builds intelligent air ventilation units using atmospheric sensors and cloud algorithms.

London   1 to 10   $740 Thousand  

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Airex

Airex is a smart ventilation control that builds intelligent air ventilation units using atmospheric sensors and cloud algorithms.

London   1 to 10   $740 Thousand  

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ScaleXP

ScaleXP is an automated analytics platform that helps small businesses consolidate their financial and sales data.

London   1 to 10   $850 Thousand  

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StackZone

StackZone is a secure, cost-efficient, and self-service cloud management platform for multi-account environments

London   11 to 50   $1.9 Million  

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Censornet

CensorNet Unified Security Service (USS) is a new-generation comprehensive cloud-based cyber security solution.

London   51 to 100   $3.4 Million  

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RoyaltyRange

RoyaltyRange is an intellectual property royalty rates database.

London   11 to 50   $420 Thousand  

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Bamboo Systems

Bamboo Systems is a Cambridge, UK-based provider of an ARM server architecture designed to power sustainable data centers.

Cambridge   101 to 250   $12 Million  

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Budibase

Budibase is an open-source web app builder, designed for speed and customization.

Belfast   11 to 50   $9.2 Million  

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MetaCompliance

MetaCompliance is a cyber security and compliance organisation.

London   51 to 100   $0  

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Privasee

Privasee automatically generates and updates your GDPR documents and cookie banner if anything changes in your business or the law.

London   1 to 10   $0  

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i6 Group

i6 is a provider of a digital fuel management platform to connect stakeholders across all stages of the aircraft refueling process.

London   51 to 100   $0  

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Soccer Manager

Soccer Manager, a Preston, UK-based developer of an online football game. Soccer Manager allows players to manage their favourite team.

Preston   11 to 50   $6.2 Million  

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Enate

Enate is provides a SaaS-based technology platform to simplify service orchestration.

Cheltenham   11 to 50   $4.9 Million  

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Cloud8

At Cloud8 It provides an intuitive cloud platform to corporate advisors.

Bristol   11 to 50   $980 Thousand  

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EcoSync

EcoSync offers an intelligent platform which helps commercial buildings to stop heating empty rooms and reduce energy consumption by 30-50%

Oxford   1 to 10   $2.9 Million  

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FluoretiQ

FluoretiQ is a medical device company designing simple and effective bacterial detection systems for rapid diagnosis of infection.

Bristol   1 to 10   $1.5 Million  

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MetCloud

MetCloud is a cybersecurity and cloud platform that is shaping the future of new digital economy.

Birmingham   11 to 50   $1.1 Million  

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