Best Startup
At Best Startup UK we track over 130,000 UK 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 board members we think deserve more appreciation than they are currently getting.
This list showcases the top London based CTOโ operating in the SaaS space. If you think a CTOโ is missing from this list, feel free to contact our editor on editor@beststartup.co.uk.
The individuals on this list have been included because of exceptional performance in one of the following categories:
- Innovation โ Operating as a key part in an extremely innovative business or startup.
- Growth โ Operating as a key figure in the growth and upscale of a market leading business or startup.
- Management โ Showing exceptional management skills.
- Societal impact โ Putting their business on the map for their positive societal or environmental impact.
Our Data โ We source our data from OSINT (open source intelligence) and public directories such as Companies House UK, Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.
Michele Riccardo Esposito
Co-Founder & CTO of Candu
Michele Riccardo Esposito is a Co-Founder and Chief Technology Officer at Candu.
Follow Michele Riccardo Esposito:
About Candu: Candu is a product experience platform for software teams who want to design, refine, and personalize their applicationโs user interface.
Michael Paterson
Co-Founder & CTO of Beamery
Michael Paterson joined Beamery as Co-Founder and CTO in 2015.
Follow Michael Paterson:
About Beamery: Beamery is a talent acquisition, engagement, and retention platform that manages sourcing, hiring, and retaining of people.
Emre Kazan
CTO & Co-Founder of Plentific
Emre Kazan is the co-Founder of Plentific.
Follow Emre Kazan:
About Plentific: Plentific is a SaaS platform that provides smart property management solutions for landlords and property managers.
Evan Tzanis
CTO of Credit-Vision
Evan has designed and built the original version of the Credit-Vision platform from the ground up and together with our senior technology advisor Ignacio Ybarra he is leading our technology development. Evan is a specialist in the design, implementation and delivery of large-scale projects. A member of MRC eMedlab, he and his team have been developing a shared computer cluster harnessing UK clinical and genomics data meant to underpin future medical research on rare diseases. He was also the Leading Software Engineer for re-factoring NIESRโs (National Institute of Economic and Social Research) global econometric model software NIGEM, a data analysis software used by major global institutions including the IMF, OECD, BoE and ECB. Evan holds a PhD in Computer Science from University College London, a Msc Degree from the University of Amsterdam and a Bsc/Msc degree from the Technical University of Athens.
Follow Evan Tzanis:
About Credit-Vision: Credit-Vision identifies, captures, aggregates and contextualises financial data for investors in corporate credit.
John Fogelin
CTO & Security Officer of AppyWay
Follow John Fogelin:
About AppyWay: AppyWay is a kerbside management & technology firm enabling intelligent mobility for cities.
Neil Murray
CTO and Co-Founder of Mimecast
Neil Murray is one of the people who helped build Mimecast. Not just metaphorically, but literally. Heโs led the development team from our inception โ when he was the development team โ overseeing the construction of our platform from the ground up. Itโs thanks to him that Mimecast, uniquely, was conceived and built as a single, integrated platform rather a set of bolted-together services. Today he oversees the architecture of the service platform and sets out the overall technical vision and strategy for the service. Before Mimecast, Neil was the CTO of South African, JSE-listed, Global Technology Services, a provider of business information solutions, which had bought Pro-Solutions, a software development company he helped found in the early 90s. Neilโs 20 year-career also includes experience architecting and building leading software products for internet banking, messaging and rapid application development.
Follow Neil Murray:
About Mimecast: Mimecast is a SaaS-based email management platform enabling companies to administer business communications and data.
Donovan Frew
Chief Technology Officer of Goodlord
Donavan brings to Goodlord over 20 yearsโ experience of building software and technology teams and has most recently occupied a similar role for six successful years at Secret Escapes. When heโs not busy improving the Goodlord platform, you can find him strutting his stuff on the dancefloor or watching one of his (many) favourite football teams.
Follow Donovan Frew:
About Goodlord: Goodlord offers a cloud-based software to help estate agents, landlords, and tenants manage the rental process.
Jan Riethmayer
Chief Technology Officer of Zencargo
CTO at Zencargo. CTO at various startups, Berliner, software developer, systems architect, project manager, product manager, recruiter, reliability engineer, data scientist.
Follow Jan Riethmayer:
About Zencargo: Zencargo is a logistics company that simplifies global trade by offering digital freight services to help businesses thrive.
Christian Reilly
Vice President and CTO, Workspace Services of Citrix Systems
Christian Reilly is Vice President & CTO at Citrix, responsible for technology strategy and platform engineering for Workspace Services. Prior to joining Citrix, Christian held leadership positions at US-based engineering and construction firm Bechtel, where he was most recently responsible for the strategic planning, enterprise architecture and innovation program within the corporate Information Systems & Technology group. In addition to expertise in technology strategy, systems design, commercial evaluation, implementation and operation of complex environments, Christian also previously oversaw commercial and technical vendor management of key global accounts for Bechtel including Citrix, Cisco, HP, Juniper, Oracle and Microsoft. Christian is a native of Manchester, England and studied business & computing at the University of Central Lancashire, England.
Follow Christian Reilly:
About Citrix Systems: Citrix offers a unified platform to secure, manage, and monitor diverse technologies in complex cloud environments.
Kimeshan Naidoo
Co-Founder and CTO of Unibuddy
Kimeshan Naidoo is CTO & Co-Founder at Unibuddy.
Follow Kimeshan Naidoo:
About Unibuddy: Unibuddy helping universities and students to attract, engage and convert prospects through peer interactions.
Anthony Welgemoed
Founder and CTO of Ziflow
Anthony Welgemoed is Founder and CTO at Ziflow Prior to co-founding Ziflow, Anthony was co-founder and CTO of ProofHQ, the industryโs leading online proofing solution. At ProofHQ, Anthony built a world-class development team responsible for the marketโs most scalable, resilient and secure online review and approval solution. At the time of ProofHQโs acquisition by Workfront, ProofHQ was used by thousands of companies across the world every day, producing tens of millions of proofs per year. Prior to ProofHQ, Anthony was Director of Product Management at Mtivity, where he helped develop a sophisticated marketing process automation platform for agencies and brands.
Follow Anthony Welgemoed:
About Ziflow, Ziflow: Ziflow is a SaaS company that builds smart tools for creative production teams.
Chris Scott
CTO of Zephr
Chris Scott serves as chief technology officer at Blaize.io, a mass scale decision engine for subscription experiences.
Follow Chris Scott:
About Zephr: Zephr is a technology platform for media companies to grow their subscription revenue.
George Wetz
CPO, CTO & Founding Member of Yumpingo
George Wetz is the Chief Technology Officer at Yumpingo.
Follow George Wetz:
About Yumpingo: Yumpingo is an internet company that specializes in customer engagement and analytics platforms designed for the Hospitality Industry.
Nikita Korotaev
Co-Founder & CTO of RELAYTO Document Experience Platform
Nikita Korotaev joined RELAYTO/ Document Experience as Co-Founder & CTO in 2017.
Follow Nikita Korotaev:
About Glocal Partners, RELAYTO Document Experience Platform: RELAYTO helps B2B marketers generate more leads & sales by turning static documents into interactive presentations & webpages
Matt Holland
CTO & Co-Founder of Seedata.io
Matt Holland is the Co-Founder and Chief Technology Officer of Seedata.
Follow Matt Holland:
About EF Education First, Seedata.io: Seedata.io is a cybersecurity platform that helps companies mitigate data leak incidents and crime threats.
David Scott Turner
Co-Founder and CTO of Imburse
Davidโs long background in and strong passion for disruptive technology makes him the right person to lead our technical development and vision as CTO of IMburse. David deploys his extensive startup and advisory experience, coupled with his strong leadership, innovative thinking and strong technical background into the role; all essential to lead the technical development off IMburse. It is no surprise that with someone like David in your corner the product will be amazing.
Follow David Scott Turner:
About Imburse: Imburse is a cloud-based payments integration platform.
Viktoras Jucikas
CTO of Genus AI
Viktoras Jucikas is a Chairman at Genus AI, also he is a Founder and CTO at YPlan.
Follow Viktoras Jucikas:
About Genus AI: Genus AI is a Growth Platform for D2C brands, helping them acquire, engage and retain their customers
Tim Boughton
CTO & Co-founder of Mention Me
Follow Tim Boughton:
About Mention Me: Harness the exponential power of your brand fans
Timothy de Paris
CTO of Decibel
Timothy de Paris is the founder and CTO of Decibel.
Follow Timothy de Paris:
About Decibel: Decibel is a real-time intelligence platform that enables businesses to measure and improve online customer experiences.
Clive Cox
CTO of Seldon
Former Rocket Scientist, Clive is the CTO at Seldon and the brains behind the engine and co-author on numerous research papers. He was awarded a Ph.D. in Computational Linguistics and studied Speech & Language Processing at Cambridge University. Clive has spent the last few years developing Seldonโs algorithms and predictive platform.
Follow Clive Cox:
About Seldon: Machine Learning Deployment Platform
Alexander Gorelik
CoFounder,CTO & VP Product of Zamna
Follow Alexander Gorelik:
About Zamna: Award-winning blockchain-powered data verification platform improving airport security while delivering a seamless passenger experience
Keith Stenson
CTO Cloud Services of Switchee
Follow Keith Stenson:
About Switchee: Data analytics and IoT business serving large social landlords
Makis Saridis
CTO of Loyalize
Makis has an extensive track record in retail and technology. He is currently the Lead Systems Architect at ASOS, having previously been the Solutions and Innovations Director at Oracle. Before Oracle, Makis worked for some of the worldโs largest retailers, including LVMH, M&S Group and Sainsburyโs to build out their IT solutions.
Follow Makis Saridis:
About Loyalize: Loyalize is a white label payment, loyalty and customer engagement platform
Reza Samiei
CTO of Embargo
Follow Reza Samiei:
About Embargo: Beacon powered loyalty app and SaaS/CRM system for hospitality businesses and customers
Joao Caxaria
Co-Founder and CTO of Codacy
Over 15 years of experience in Software development. Specialities: Scala, Java, .NET, Objective-C
Follow Joao Caxaria:
About Codacy: Codacy is an automated code review tool that helps developers save time in code reviews and manage technical debt.
Elnar Hajiyev
Co-Founder & CTO of Realeyes
Elnar stands at the heart of Realeyesโ core technology and IT architecture, driving the companyโs emotions tracking vision. Elnar started coding at the age of 10 and built some of the first online shops in Azerbaijan. At 18, he created Azerbaijanโs first online beauty pageant, which got hundreds of thousands of hits, millions of TV viewers and extensive nationwide press coverage. He has also co-authored numerous academic publications, as well as been the recipient of several awards and prestigious scholarships. He went on to study for a fully-funded PhD in Computer Science at Oxford focused on database structures, which now form the essential foundation of our technology platform. During his PhD Elnar co-founded Semmle โ working on big data analytics technology to provide business intelligence โ and managed the company during its first few years before a fateful meeting with Mihkel led him to becoming one of the co-founders of Realeyes. He has built and now leads our Research & Development offices in Eastern Europe, and has been granted a US patent, with 6 more EU patents currently pending.
Follow Elnar Hajiyev:
About Realeyes: Measuring Human Response At The Speed & Scale Of AI
Derek Ewing
CTO of KITE EDGE LTD
Follow Derek Ewing:
About : Customisable Search Platform for Asset Managers/Banks
Rotem Hayoun-Meidav
Co-Founder & CTO of Vault Platform
Follow Rotem Hayoun-Meidav:
About Vault Platform: Vault Platform is the next generation of misconduct reporting for employees.
Pieter Ennes
CTO of Energyworx
CEO & co-founder of Authentiq
Follow Pieter Ennes:
About Authentiq, Energyworx: Energyworx provides a SaaS-based platform for energy data management and energy intelligence solutions,
Jon Brookes
CTO of Accrosoft
Follow Jon Brookes:
About Accrosoft, Vacancy Filler: Accrosoft is a software as a service company with two products currently in the market.
Hassan Ahmadzadeh
Co-Founder & CTO of Elixivity
Follow Hassan Ahmadzadeh:
About Elixivity: Elixivity quantifies and benchmarks people-related impact on financial performance using AI
Pearl Arbenser-Simmonds
CTO of Agily
Follow Pearl Arbenser-Simmonds:
About Agily: Agily is a collaborative and team goal management app improving organisational alignment, business agility and competitiveness.
Daniel Howard
CTO of SimbaPay
Follow Daniel Howard:
About SimbaPay: SimbaPay is a B2B SaaS for banks in Africa that enables their customers to send money abroad using mobile money or e-banking.
Abdul Hummaida
CTO of Concentra
Follow Abdul Hummaida:
About Concentra: Concentra is a UK-based business consulting and technology services company, serving clients across a number of economic sectors.
Mark White
CTO of Codec
Follow Mark White:
About Codec: We help brands to discover and tap in to the pockets of culture that drive growth. Powered by award-winning AI.
James Eggleston
Chief Technology Officer of appScatter
James is responsible for the delivery of appScatterโs flagship technology โ the distribution, performance, tracking and intelligence platform. Prior to appScatter James worked in the mobile gaming industry delivering global technology solutions for international brands.
Follow James Eggleston:
About Airnow, appScatter: AppScatter is a B2B SaaS platform that distributes, manages, and monitors mobile apps across multiple app stores worldwide.
Subhash Muchala
CTO of Dynamify
PhD, University of Oxford
Follow Subhash Muchala:
About Dynamify: Dynamify is an all-in-one platform using technology, data, and AI to enhance service delivery and margin.
Nathan Flood
CTO and Co-Founder of ClubSpark
Nathan founded ClubSpark in 2012 alongside Dave. He provides the technical vision for the platform, overseeing its architecture and development while ensuring the team utilises the latest technology to continually enhance the product and its features. With over 20 yearsโ experience in technical development, Nathan has a passion for driving sports engagement and believes technology can play a key role in getting people more active.
Follow Nathan Flood:
About ClubSpark: ClubSpark is an award-winning, market-leading sports booking and management SaaS platform.
Garry Shutler
CTO of Cronofy
CTO of Cronofy.
Follow Garry Shutler:
About Cronofy: Scheduling APIs and UI elements with real-time calendar sync. Embed scheduling into your SaaS application.
Hugo Rodger-Brown
Co-Founder & CTO of YunoJuno
Follow Hugo Rodger-Brown:
About YunoJuno: Online platform connecting freelancers and clients in the creative and technology sectors
Moin Maniar
CTO of Appsumer
Moin Maniar joined Appsumer as CTO in 2016.
Follow Moin Maniar:
About Appsumer: Appsumer automates user acquisition & performance marketing dashboards, reports & insights
Fabian Blaicher
CTO & Co-Founder of Shipamax
Follow Fabian Blaicher:
About Shipamax: Shipamax provides seamless fleet and deals management for operators and brokers.
Zac Roberts
Co-founder and CTO of Ebsta
Zac is the co-founder and CTO of Ebsta, a business dedicated to delivering intuitive apps for businesses that integrate email and the web with CRM. After completing his Mechanical Engineering degree, Zac started developing software at a company called Perfect Information (PI). Zac followed his manager from PI to a new business called iProfile in 2000. Over the following 7 years, Zac became the product development director at iProfile running a team of 40 internal and external developers building a โbig dataโ platform that was processing 500,000+ resumes a month for the UK recruitment industry. The platform included a portal for jobseekers, a front end for recruiters along with a suit of APIโs that were used to integrate with 18 disparate systems. Zac started Ebsta with his business partner Guy Rubin in 2013 as an app focussed on helping recruiters reference and update their CRM. In 2014 Ebsta expanded to service companies outside of recruitment. Since this expansion Ebsta has become the most popular โappโ in the Salesforce ecosystem (arguably the most popular app store in the world), with an install base of over 10,000 companies within a year. As CTO, Zac is responsible for reporting, strategy, security and performance. Outside of Ebsta Zac is an avid Arsenal fan, keen skier, father to Charlie and Sam, and husband to Faye.
Follow Zac Roberts:
About Ebsta: Gmail and LinkedIn integration for Salesforce
Hardeep Nagi
CTO and Co-Founder of Yordex
Hardeep is an experienced hands on architect, specialising in designing and implementing highly transactional and secure applications. Hardeep has delivered several multimillion production software working as an architect that codes whenever needed.
Follow Hardeep Nagi:
About Yordex: Smart Spend Management Software, SaaS, B2B Payment Service
Rudolph Graan
Founder & CTO of Expend
Follow Rudolph Graan:
About Expend: Expend is the expense management and company spending platform.
Andrew Mantilas
Co-founder, Chief Technology Officer of Mudano
Follow Andrew Mantilas:
About Mudano: Mudano, part of Accenture Applied Intelligence, is a data and machine learning company focused on financial services.
Adrian Karl
CTO & Co-Founder of Inspection2
Adrian has over 20 yearsโ experience working within the mobile telecommunications and Internet industry. Adrian joined Sky-Futures in 2014 to lead the delivery of a technology roadmap for Expanseยฎ that aims to maximise the value and impact of the data captured by drones. Adrian has been involved in both the design and delivery of a wide range of high tech and business applications that have technology at the core. He now applies this experience and expertise to ensure Inspectionยฒ stay at the leading edge of AI technology with our software and sensor solutions.
Follow Adrian Karl:
About Inspection2: Automate industrial asset management & inspection with Inspection2 an AI-powered asset management, data analytics and reporting software
Matthew Eric Bassett
CTO of PRODA
Matthew Eric has 15 years of experience in delivering commercial software, with a strong focus on solving data science problems. He headed up the film industryโs first data science group at Universal Pictures. Under his leadership, the team successfully increased box office revenues and cut costs for several films, and expanded to television and home entertainment. He went on to found Gower Street Analytics, offering a suite of software simulating product release strategies in response to audience viewing habits to help studios make data-driven commercial decisions. Matthew Eric holds an MSci in Mathematics and Theoretical Physics, and a PhD in Number Theory. He serves as an advisor on several academic and governmental boards on strategy and research for big data and machine learning.
Follow Matthew Eric Bassett:
About PRODA, Sneffel: PRODA is focuses on solving core data processing pain points in real estate.
Jon Beer
CTO and Co-Founder of Zapnito
Follow Jon Beer:
About Zapnito: Zapnito is the SaaS online community platform for intelligence-driven organizations.
Adam Smith
CTO of neuro
Follow Adam Smith:
About neuro: Neuro is an engineering firm that combines engineering, data science, and artificial intelligence capabilities into a new SaaS platform.
Samuel Colvin
CTO of TutorCruncher
Follow Samuel Colvin:
About TutorCruncher: TutorCruncher is a tutoring management software offering CRM, online payments, invoicing and timesheets, and more related features.
Andrew Mahood
Co-founder & CTO of Precursive
Co-founder & CTO at Precursive
Follow Andrew Mahood:
About Precursive: Customer onboarding, resource management and professional services automation native on Salesforce.
Paul King
CTO of The Bot Platform
Follow Paul King:
About : Empowering people to build a better employee experience using bots, digital assistants and automation tools.
Nick Gains
CTO of Huddlestock
Nick Gains is Chief Technology Officer of Huddlestock.
Follow Nick Gains:
About Huddlestock: SaaS, Fintech, Mobile App, Wealth Management, Asset Management, Trading, Investing
Robert Taylor
Co-Founder & CTO of Salesorder.com
Follow Robert Taylor:
About Salesorder.com: Salesorder is an inventory and order management software for distributors, wholesalers, and ecommerce.
Stephen Kenny
CTO of PostTag Group Ltd
Follow Stephen Kenny:
About Invest & Fund, PostTag Group Ltd: PostTag are the UKโs leading address validation and location precision company โ helping drivers deliver more, in less time.
Louis French
CTO of Hypha Knowledge Integration
Follow Louis French:
About Hypha Knowledge Integration, Viadynamics: Hypha is a new Innovation Intelligence Platform that unifies people, knowledge, data, insights and strategy to drive growth.
Roland Geroczky
CTO of Adplanky, Inc.
Follow Roland Geroczky:
About Adplanky, Inc.: Adplanky is marketing planning SaaS for small and medium-sized companies
