Ellie Horvath
At Best Startup London we track over 100,000 London based startups and over 500,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and organisations we think deserve more appreciation than they are currently getting.
We’ve ranked the top 101 Software Engineering companies in London. The companies, startups and institutions listed in this article are all exceptional companies, well worth a follow. We have included links to their websites, socials and CrunchBase (if you’re interested in their financials).
We selected the organisations listed in this article based on:
- Track record
- Executive leadership
- Market share
- Innovation
- ESG rating
Our Data – We source our data from OSINT (open source intelligence) and public directories such as Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.
Top Software Engineering Companies & Startups (London)
G-Research
| Founders | Ben Leadsom, Chris Goddard, Jennifer Coyle Byrne |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
G-Research is a research and technology company that specializes in Quantitative Research and IT Infrastructure.
Actable AI
| Founders | Armen Poghosyan, Trung Huynh |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Actable AI helps you to analyze your data with powerful Causal AI and ML – without coding.
clearmatics
| Founders | Robert Sams, Vitalik Buterin |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Designing protocols and build platforms for decentralised Financial Market Infrastructure (dFMI).
Chirp
| Founders | Anthony Steed, Patrick Bergel |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Chirp uses existing speakers and microphones to enable frictionless M2M communication to seamlessly and securely transfer data via sound.
Sohonet
| Founders | David Scammell |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Sohonet operates the largest private network for Media & Entertainment in the world, linking over 400 leading studios and creatives.
Circuit Mind
| Founders | Akintomide Adesanmi, Basilio Gentile |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Circuit Mind develop artificial intelligence solutions.
Machine Medicine Technologies
| Founders | Georgiana Petria, Jonathan O’Keeffe |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Machine Medicine are building an operating system for neuromodulation and other forms of precision neurotherapeutics.
HeleCloud
| Founders | Alexander Kolev, Dobromir Todorov, Duncan McIntyre, Paul McCarthy, Stefan Bumov |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
HeleCloud provides strategic technology consultancy, engineering and managed cloud services on the AWS Platform
Avion
| Founders | James Sear, Tim Ramage |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Avion is a user story mapping tool that helps product teams plan and prioritize services.
BeyondPlay
| Founders | Karolina Pelc |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
B2B Saas startup for the Igaming Industry
BotsCrew
| Founders | Max Gladysh, Nazar Hembara |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
BotsCrew provides AI development and chatbots development services.
Insurami
| Founders | Arnor Davidsson, Majed Chaaraoui |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Insurami offers a deposit guarantee platform for commercial real estate
Quality Clouds
| Founders | Albert Franquesa, Angel Marquez, Ignacio Sales, Jordi Torres |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
DevOps for Low-Code / No-Code
Synth
| Founders | Christos Hadjiaslanis |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Synthetic data for quicker and privacy compliant development and testing
Frolo
| Founders | Zoë Desmond |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Frolo provides community app for single parents to connect with like-minded local single parents for support, guidance and virtual meetups.
Subtree Inc.
| Founders | Luke Marsden |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Cloud native data management, giving developers the same power over data that source control gives them over code
Pie People Ltd
| Founders | Abdul Kadir |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Fintech SaaS
Snapboard
| Founders | Calum Moore |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Snapboard is a software house that allows users to manage and link apps and platforms in a single, customizable dashboard.
Soluis
| Founders | Martin McDonnell |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Soluis Group is a UK-based creative studio that specializes in design visualization, animation, software development, and more.
BlueOptima
| Founders | Jason Rolles |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
BlueOptima introduces transparent metrics to manage software development resources with automation, standardisation and objectivity.
Hypersay
| Founders | Cristian Dinu, Paul Balogh |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Platform for live presentations! Shared slides, live polls, live subtitles, feedback.
PA Consulting Group
| Founders | Dr David Seymour, Ernest E. Butten, Tom H. Kirkham |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
PA Consulting Group provides management consulting, IT consulting, and technology and innovation services.
Emergn
| Founders | Alex Adamopoulos |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Emergn is an expert in digital transformation and helps to improve the way companies and people work.
CyberSparta
| Founders | Chris Woods |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
CyberSparta provides IT network solutions.
Arabesque AI
| Founders | Andreas Feiner, Dominic Selwood, Hans-Robert Arndt, Omar Selim, Qasim Nasar-Ullah, Yasin Rosowsky |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Arabesque brings together technology, data and finance to deliver transparent, sustainable financial solutions.
Flagsmith
| Founders | Ben Rometsch |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. We’re Open Source.
Smart Spaces
| Founders | Dan Drogman, Tom Drogman |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Smart Spaces is an IoT platform for modern workplaces connecting IoT devices, BASs and management systems. Building engagement.
10Duke
| Founders | Frej Salminiitty, Neil Fenton |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
10Duke provides software licensing & identity management solutions connecting you to your online customers and driving engagement & revenue.
Magic Sandbox
| Founders | Jord van den Hooff, Mislav Stipetic |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Magic Sandbox is an interactive training platform for software engineers to learn Kubernetes hands-on.
Index.dev
| Founders | Sergiu Matei |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
At Index we help growing companies assemble world-class teams of software developers. We make it easy to scale your tech team – on demand.
Studio Graphene
| Founders | Ritam Gandhi |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Studio Graphene is a rapidly growing team of passionate techies who love building innovative products for their clients.
Schnell Solutions Limited
| Founders | Jignesh Vaducha |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Bespoke Software Development Experts
Global RADAR
| Founders | Dominic Suszek |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Global RADAR is a comprehensive solution for client onboarding, KYC and customer due diligence.
Index
| Founders | Sergiu Matei |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Index helps companies and organizations hire remote software developers and teams.
Ponder Labs
| Founders | Alex Selkirk |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Education software
HarmonyPSA
| Founders | Stephen Powell, Steve Duckworth |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
The next generation of #PSA solution. Cloud-based end to end business automation software, on any device.
Opinov8 Technology Services
| Founders | Christian Aaen, Craig Wilson |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Opinov8 Technology Services creates value, deliver technology products and provides customer success.
Fusion Global Capital
| Founders | Bobby Yerramilli-Rao, Charlie Newark-French, Fiorangelo Salvatorelli |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Fusion Global Capital is a growth-equity firm investing in b2b technology.
ICEO – Venture Builder
| Founders | Oliwer Kotecki |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Software development, teams building, design, marketing, branding
Integrity
| Founders | Charles Stevens, Jeremy Hindle |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
A technical startup incubator for early stage founders with an engineering institute for talented software engineers
4xxi
| Founders | Aleksandr Beshkenadze, Evgeny Smirnov |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
World-class Technology Partner
econscia
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
econscia is a funded, UK-based technology company.
ChangeBASE
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
ChangeBASE is a product which provides a faster way to ensure application compatibility issues are identified and resolved quickly.
Bell Energy Services UK Limited
| Founders | Chandrashekhar Kulkarni |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Bell Energy specializes in Process Safety, Risk Management and Asset Integrity.
YLD
| Founders | Anthony Mann, Ines Schiller, Nuno Job |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
YLD helps enterprises win by delivering mission critical software built by the best web engineers in Europe
Forty Seven
| Founders | Alexander Malin, Igors Astapchiks |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Forty Seven is a software consulting and development company providing IT outsourcing services.
Unboxed
| Founders | Richard Stobart |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
The largest Ruby on Rails development agency in London and Cape Town
Artbees
| Founders | Babek Azimzade, Inan Onder Guden, Maziar Firuzmand, Rouzbeh Firouzmand |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
UK’s leading creative company who develops intelligent applications that meet specific business challenges for your industry.
Orbis Tech
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Orbis Tech is a computer software company that offers custom software development for companies, businesses, and organizations.
Lendery
| Founders | Franck Zeitoun, Oliver Gajda, Yashin Mahamoodally |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Lendery is offers a set of technology tools to institutional investors in alternative lending
Tee-On Golf Systems
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Tee-On Golf Systems designs, builds, develops and markets golf management software.
Red Matter
| Founders | Jim Page, Neil Burgess, Neil Hammerton |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Red Matter is a technology vendor that develops Value Added Services for mobile and fixed line operators.
Farmscan AG
| Founders | John Chalmers |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Farmscan AG s a specialist technology company developing precision control systems for manufacturers of Agricultural equipment.
Graph Digital
| Founders | Stefan Finch |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Graph is a digital transformation partner where design and innovation meet engineering scale.
OnTrack Retail
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
OnTrack Retail delivers software designing, digital ticketing, database architecture and SaaS products to the transport industry.
Lio Software Ltd
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Software development and services. Lio Software Ltd is focusing on personal finance and planning applications.
Codehouse
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Codehouse is a digital marketing agency that handles strategy, design and delivery to make brands successful through digital experiences.
Cash Limited
| Founders | Emre Korkmaz |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Cash limited
Reason
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Reason is involved in the design, development and launching of digital solutions that help change the way business is done.
Deeson
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Deeson Creative, UX, Drupal and WordPress open source agency. Exploring the future of open organisations with our team and clients.
ARki (Darf Design)
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
ARki is a Interactive Design studio located in London.
Teknavo
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Technical consultancy services
Nebulytics
| Founders | Branton Joe, Joe FitzGerald |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Nebulytics is a software company, headquartered in Sydney, Australia with a subsidiary office in London, UK
Hoxton Digital
| Founders | Ben Fanning, Benjamin Wright, Gonzalo Diaz, Leonard Percival |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Software Development
Ryedale
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Ryedale is a software company that provides index portfolio management, asset allocation, transitions, quantitative and ETF products.
Sigma Labs XYZ
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Sigma Labs XYZ provides high-performance software and data engineers.
1st Risk Solutions
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
1st Risk Solutions is a software firm.
1st Risk Solutions
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
1st Risk Solutions is a software firm.
Black Square Media
| Founders | Dimitrij Denissenko |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
AdTech Accelerator
Secure Delivery
| Founders | Andrew Gordon-Brooks, Grant Ongers, Toby Irvine |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Secure Delivery trains and coaches regulated companies in secure digital product development.
Raphos
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Technology, services, analytics
Waypoint AI
| Founders | Guglielmo Alvise Speranza Keller |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Creating digital life to solve real-life problems.
Dotspot
| Founders | Emrah Yuceer, Gael Martin, Julien Gless, Olivier Kraff |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
We’ve created the first global city guide, powered by Influencers. Our mission is to evolve the way the world discovers places.
Webdesign7 – Website Design London
| Founders | Sergiu Canschi |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Webdesign Digital Agency
Deliberate
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Deliberate is an information technology company that offers software development and consultancy services.
Antares Code Studio
| Founders | Robert Tezescu |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Custom software services, including web and mobile application development.
Auditus
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Auditus is an inspection software designed for companies that conduct inspections, audits, compliance checks, and quality assurance tests.
DLT Apps
| Founders | Santosh Mahagaonkar, Venkatesh Pulla |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
DLT Apps delivers proposition incubation, financial platform, infrastructure and product engineering services that accelerate digitization.
Data Hygge
| Founders | Mario Hayashi, Mikkel Dengsøe |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Data Hygge provides user experience design solutions.
Uniting Cloud
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Uniting Cloud is a recruiting agency that outsources in the area of DevOps, software engineering, data engineering and cloud technology.
enhance
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
enhance is a web hosting management company that offers control panel build by industry veterans.
Vigil
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Vigil is a software engineering and services company that helps businesses with digital products.
Orion Logic
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Orion Logic develops networked software that ensures responsive supply chains.
Anaglyph
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Anaglyph is a software development and engineering consultancy company.
Releaseworks
| Founders | Miiro Juuso |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Releaseworks is a healthcare cloud engineering, information security governance and engineering support service partner.
Astuta
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Astuta is a software firm that deals with business strategy, artificial intelligence, data management, analytics and cloud infrastructure.
Remote Monitored Systems
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Remote Monitored Systems plc develops and manufactures digital monitoring and safeguarding systems for rotating shafts.
Mobcast Services
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Mobcast was founded in 2007 by CEO Tony Lynch and bestselling author Andy McNab. With the rise in the capabilities of mobile phones they
QwertyBit
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
QwertyBit is a bespoke software development company based in London, UK.
XCTEQ
| Founders | Shashikant Jagtap |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Mobile App, iOS, DevOps, CI/CD and Test Automation for Apple platform. Test automation using Apple’s XCTest/XCUITest and AI/ML frameworks.
Fils Investments
| Founders | Stefano Fregoni |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Business Software, Mobile App, Software House
Igale
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Igale is a software company.
Scalable Finance
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Scalable Finance provides software for brokers and lenders.
Momentum Digital Advisory
| Founders | John Lowe |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Independent digital and technology due diligence, strategy, leadership and expertise to private equity, executives and investors.
Kanso
| Founders | Robin Matthews |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
A no-nonsense software design & engineering company. We help ambitious people build innovative digital products
Believercards
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Believercards is an IT firm that offers digital solutions including digital currency, security on transactions, and cryptocurrency research.
Wow!Systems
| Founders | Miguel Campos |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Digital Technology tempered by Art. IT consultancy and development. Making cool stuff since 2008
Songwhip
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Songwhip is a universal music link service.
Itthinx
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Itthinx develops wordpress plugins and software that help businesses to implement membership, growth and affiliate marketing programs.
Build Circle
| Founders | Unknown |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Build Circle is a software engineering consultancy company.
Stormcharge Limited
| Founders | Alex Newman, Markus Kantonen |
| Follow | Website, Crunchbase, Twitter, Facebook, Linkedin |
Stormcharge provides the autonomous vehicles market with the safest, most scalable and most cost effective command and control environments.
