27 Gloucestershire tech companies leading the UK's cyber sector

Gloucestershire is one of the UK’s leading cyber districts, with some of the top technology companies headquartered in the county. SoGlos reveals 27 cyber and tech businesses leading the county in 2023.

By Sarah Kent Kaleigh Pritchard  |  Published
SoGlos handpicks 26 of Gloucestershire's top tech firms leading the UK's cyber sector in 2023.

With National European Cyber Security Month shining a spotlight on some of the UK's leading tech companies in the cyber sector, SoGlos showcases 27 of the Gloucestershire businesses helping to make the county the UK's cyber capital. 

From homegrown tech start-ups to multinational organisations drawn to the county by its strong reputation, we reveal some of the best in the industry...

Salus Cyber

SGGBA winner for Cyber Business of the Year and Gloucester tech giant Salus Cyber is a certified provider of world-class cybersecurity services. It helps clients identify and manage their cyber risks proactively and effectively and is the cyber security partner of choice for industry-leading organisations throughout the UK and Europe. Based at Eagle Tower in Cheltenham.


This Cheltenham-headquartered firm based in Eagle Tower describes itself as ‘countering global money laundering, terrorism, and criminal networks’. Founded by former members of GCHQ, Ripjar develops software that combines automation, data visualisation and the ever-expanding features of AI to tackle complex threats to our digital society.

Optimising IT

An official Gloucestershire B Corp, Optimising IT provides a range of services from cyber security improvement to complete outsourced IT department services, for organisations that need help managing their IT or require consultancy about changes — such as mergers or acquisitions. Based at Twigworth Court Business Centre in Gloucester.

North Green Security

North Green Security is a UK-based cyber security training and consultancy company, with offices in Eagle Tower in Cheltenham. Its aim is to assist in providing a more secure future by ensuring more people at all levels of learning can contribute to an ever-growing and evolving industry, with companies benefitting from strategic assessments conducted by its knowledgeable consultants.

CDS Defence & Security

Delivering cyber solutions using a deep understanding of engineering and training within the cybersecurity and defence sector, CDS Defence & Security has a team with expertise gained through serving on UK military operations. Offering consultancy from its UK government approved facilities in Cheltenham, as well as on-site for clients.


Based in Quedgeley and working with a range of organisations from SMEs to government bodies, Infrastar is a specialist computer networking and infrastructure company. Its expertise lies ‘in assisting organisations in securing the IT hardware and solutions they require to operate at optimum efficiency,' from assessing current network environments to the full-scale network design and implementation.

Bamboo Technology

SGGBA Team of the Year 2023 winners, Bamboo Technology, works to improve other businesses through its extensive IT and telecommunications expertise and it ‘designs and delivers digitally assured solutions for the hybrid workforce.’ Its headquarters are at Gloucestershire College’s Cheltenham campus.


Based out of Gloucestershire's Hub8, Berta Pappenheim founded CyberFish in 2018 ‘to build organisational resilience in a way that is sustainable’, focusing on the psychology of a team so it becomes self-improving and never goes out of date a few updates later. CyberFish works with mission-critical departments in governments, law enforcement and global organisations.


Amiosec specialises in the design and development of secure solutions for government and commercial organisations. The Tewkesbury-based business provides a range of next generation advanced mobile and remote access solutions that provide secure mobile communications across public networks. Its products ‘are simple to configure, easy to use’.


Tewkesbury-based business Synalogik describes itself as a team of open-source intelligence, data processing and automation experts from across the intelligence, law enforcement and investigation industries. Its vision is to revolutionise the automation of targeted data collection and analysis, allowing organisations to make 'smarter decisions.' The team also won a prestigious Queen's Award for Innovation in 2022.

Nimble Elearning

With thousands of courses spanning health and safety to data protection, Nimble Elearning’s cloud-based elearning platform is well-used by individuals and businesses alike. Its intuitive tools have also helped clients create thousands more courses too. In short, the Stonehouse firm is enabling a revolution UK-wide in the delivery of effective, affordable, dynamic online training.

Infosec People

Founded by Gloucestershire-based Chris Dunning-Walton, this boutique cyber and technology recruitment consultancy prides itself on its ability to inspire talented people to find careers that inspire them. Working exclusively within the IT sector, with specialism areas in cyber security, software development and engineering, the award-winning Infosec is based in the Eagle Tower in Cheltenham, with offices in Bristol, too. Dunning-Walton is also a key member of Gloucestershire-based cyber networking and support group CyNam.


Founded in 2016, Savient is a bespoke software consultancy firm based in Hub8 in the Brewery Quarter in Cheltenham that uses software technology solutions and services to help customers solve business problems and unlock the value in their data. It says its mission is ‘to find and deliver solutions using software technology, so your business can work faster and more efficiently, while meeting emerging opportunities', adding 'we work closely with you applying our creative, intuitive and adaptive thinking to deliver technology that works the way your business thinks’. 


If you want a simple to understand, but sophisticated solution to your business’s cyber security concerns, Cheltenham-based ReformIT is capturing a growing market of firms from all sectors looking to put their IT in the hands of a business which can manage all its software, hardware, updates, cyber attacks and even training — all under one roof.

P3M Works

P3M Works delivers cyber security and digital transformation projects across both private and public sector clients. Its collaboration of permanent, technical delivery staff and cyber SMEs are based at Cheltenham's home of private sector cyber, Hub8, in the Brewery Quarter.

Blacksmiths Group

Blacksmiths Group is a team of human, digital and physical security specialists who will develop your business’s capability to tackle security challenges and defend against complex threats. The Cheltenham firm provides consultancy and develops technologies to solve problems. Its teams are highly experienced technical and security experts with skills acquired in UK government and the tech industry.

North Tower Consulting

North Tower Consulting is a software solutions consultancy based in Cheltenham, providing professional expertise in cyber security, cloud computing and much more. Set up in 2019 by its founding business partner, the business has gone from strength to strength, with major government contract wins and now a team of more than 50 people onboard.

Gemba Advantage

Another Cheltenham-based company, Gemba Advantage, which was co-founded by Shelley Wood, is a tech development firm that builds high-impact software for businesses. Its partners include the UK government and the National Crime Agency. Its team can build and maintain high quality software to help your business make the most of its technological investments.

Hamiltonian Dynamics

Founded in 2020 by Robert Diamond, Craig Morgan and Craig Stocks who bring years of experience working within the cyber security, defence and IT sectors, Cheltenham-based, Hamiltonian Dynamics provides 'high performance, big impact mission critical software', and does so for multiple government departments, as well as being a design and development consultancy agency.

Fat Potato

This Cheltenham-based firm was started by a husband-and-wife team in 2016 and has operated primarily in the defence sector for the past few years. Fat Potato worked across multiple major projects delivering software solutions in ‘challenging and demanding environments’ and has proven expertise in a wide array of technical specialisms. It works with businesses to transform their applications and enhance performance.

Cyber Security Associates

Established in 2013, Cyber Security Associates (CSA) provides cyber consultancy and cyber managed services which help to detect, protect and educate against the ever-changing threat of cyber attacks. It has built a team from government (ex-military) and commercially experienced specialists all holding current and relevant cyber certifications. Today, its core services are based around a 24/7 security operations centre in Gloucester.

Somerford Associates

This Cirencester firm is dedicated to assisting organisations to adopt cloud services and technologies securely, whilst understanding the continued challenges of a complex hybrid environment. Somerford Associates will work as your trusted partner and as part of your team to deliver success. Its aim is to meet customer’s needs with a focus on service quality and delivery for on-premises, hybrid or full cloud environments.


CoreTech is a niche cyber security company whose people are motivated by the desire to deliver exceptional capabilities coupled with a real sense of mission. Its Cheltenham-based team is highly experienced, deeply technical, and blend vulnerability research, research engineering and software development skills.

Core to Cloud

Cirencester-based Core to Cloud is an SGGBA 2022 award winner and its founder, James Cunningham, was named in The Times LDC Top 50 Most Ambitious Business Leaders list in the same year. Describing itself as your 'cyber security sidekick', its services include cyber security gap analysis, MDR, crisis simulating and dark web monitoring. 

Red Maple Technologies

Started and run by engineers from the UK intelligence and defence communities, and headquartered in Cheltenham's Eagle Tower, Red Maple Technologies is a technical consultancy and product company. Founded to help organisations of all sizes protect themselves from cybersecurity threats, it solves technical and security problems with technical solutions.


Another resident of Gloucestershire’s home of private sector cyber, Hub8 — but in its Gloucestershire College campus workspace — Indeloy specialises in helping customers find the right IT solution for their needs. It can source a wide variety of products and provide services such as hardware disposal, software erasure, licence management and more.


Headquartered in New York but with a UK base in the Brewery Quarter's cyber hot spot, Hub8, Cylera is pioneering IoT (Internet of Things) security and intelligence to protect what matters most — people, safety, privacy and business continuity. Specialising in support for the healthcare sector, it delivers a cyber security platform that discovers devices, analyses network traffic and risk, detects vulnerabilities, continuously identifies threats or malicious devices and helps reduce attacks.

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