Oxfordshire’s 22 Fastest Growing Cyber Security Startups

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 22 Cyber Security companies in Oxfordshire. 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 Cyber Security Companies & Startups (Oxfordshire)

Sophos

Sophos develops network security and threat management products to protect organizations against malicious acts.

Iothic

Iothic provides IoT end-to-end systems with post-quantum resistant security and a full interoperability communication platform.

eSafe Global

A safeguarding software company.

PQShield

At PQShield, we help customers transition their product lines from legacy RSA and Elliptic Curve cryptography to quantum-safe standards.

Traced

Traced operates as a mobile cybersecurity start-up.

ESA Business Applications

ESA Business Applications is the go-to place for business ideas involving space in all areas of society and economy.

The Defence Works

The Defence Works is a leading provider of Security Awareness Training and Simulated Phishing

Cyberhomes Limited

Leading design and installer of smart home automation and AV systems

Westminster Group Plc

Westminster Group Plc is a highly experienced and internationally acclaimed Fire.

Naimuri

Naimuri offer a wide range of IT services including system development & integration, application development, cyber & information security.

Cydea

Cybersecurity consultancy

Cydea

Cybersecurity consultancy

Freeman Clarke

Freeman Clarke creates, manages, and executes technological strategies and solutions to help one’s company grow.

LONGWALL SECURITY LIMITED

Longwall Security is an independent consultancy specializing in cybersecurity best practice, solution implementation, and managed services.

Differentia Consulting

Differentia Consulting is a UK based independent IT management consulting company.

Defendza

Defendza is a cyber security company that offers CREST Accredited Penetration Testing & Cyber Security Services.

Company Controls

Company Controls provides various HR & business management software solutions for administrative services, support & security.

OX IT Solutions

OX IT Solutions provides networks and security solutions.

Oxford Information Labs

Oxford Information Labs provides consulting, cybersecurity, big data, and research services.

Flex Information Technology

Flex Information Technology offers IT infrastructure, cybersecurity, IT solutions and consulting services.

Clayden Law

Clayden Law is a leading specialist in information technology, data privacy and cybersecurity law firm in the Thames Valley.

OxfordHost

Secure web hosting, web development and security assessments for public facing assets.