Top 100 Cybersecurity Companies in the United Kingdom
December 2023Looking for a top cybersecurity consultant in the United Kingdom?
Check out our list of the best cybersecurity consulting companies to choose a partner that can secure your company. Preventing data breaches should be the top security priority for all businesses in the digital age.
To assist you in your search for a partner, we’ve compiled this list of the top cybersecurity consulting companies in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom Cybersecurity Consultants
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Featured providers
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- Undisclosed
- 250 - 999 employees
- Rockville, MD
Dataprise is a Rockville, Maryland-based IT managed services company. The firm provides IT managed services, cybersecurity, IT strategy consulting, and web development and is midsize.The firm was launched in 1995.
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1
- $5,000+
- 50 - 249 employees
- London, United Kingdom
Transputec, a midsize cybersecurity company, is located in Wembley, United Kingdom. They focus on cybersecurity, IT managed services, and custom software development and were launched in 1984.
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Transputec Ltd was hired to develop and upgrade new store servers for a craft retailer. They were also tasked with migrating databases and supporting the client with the installation of the servers in stores.
"The process was fairly smooth, and updates were prompt."
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2
- $5,000+
- 10 - 49 employees
- Edinburgh, United Kingdom
Texaport is an established and reputable managed service provider with a strong focus on security and customer service excellence. Texaport empowers organizations with comprehensive managed services that combine exceptional customer service, strategic digital transformation, and robust security solutions.
Founded in 2012, Texaport has been providing IT solutions, Consultancy, and Cybersecurity to clients throughout the UK and across the globe.
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Texaport Ltd provides comprehensive IT services including 24-hour support, GDPR consulting, and troubleshooting.
"Their communication is top notch, and they respond to us quickly."
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3
- $50,000+
- 50 - 249 employees
- London, United Kingdom
Mad Devs is a digital development company based in Cambridge, England, and founded in 2016. Their team of 35 employees specializes in custom software development, web development, and cloud consulting. They mainly work with small businesses and midmarket clients in the consumer products, education, and business services industries.
Clients
- Clutch
- Internews
- Veeqo
- Roci.fi
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A decentralized credit economy company hired Mad Devs to support the enhancement of their software. They conducted integration tests, fixed bugs, implemented CI elements, and performed various tech tasks.
"One impressive thing I would like to point out was their gentle approach to the changes they brought to our team."
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4
- $1,000+
- 10 - 49 employees
- Colden Common, United Kingdom
Evalian is a small cybersecurity and business consulting company. Based in Colden Common, United Kingdom; London, United Kingdom and Worcester, United Kingdom, the firm was founded in 2017. Their team specializes in cybersecurity and business consulting.
Clients
- Alliants
- T.M Lewin
- Copy Bet
- Vistry Group
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Evalian held a standard Cyber Essentials Plus assessment for a software company. They run scans and offer an opportunity for remediation before they could be rescanned.
"They took the time to make it stress-free while maintaining the impartiality you'd expect as an assessor."
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5
- $5,000+
- 10 - 49 employees
- Clayton-le-Woods, United Kingdom
Launched in 2001, HW Technology is an IT managed services company. The agency specializes in IT managed services, cybersecurity, IT strategy consulting, and other IT consulting and SI and has a small team.
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Orca provides managed IT services to an accounting firm. They’ve spent three months transferring the client’s IT processes to their system after an on-site visit; they’ve purchased and installed software.
“Their total and utter professionalism set them apart from their competitors.”
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6
- $1,000+
- 10 - 49 employees
- Bradford on Avon, United Kingdom
Established in 1999, Systemagic Ltd is an IT managed services company. The firm offers IT managed services, cloud consulting & SI, cybersecurity, and IT strategy consulting and has a small team. The firm is located in Bradford on Avon, United Kingdom and London, United Kingdom.
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Systemagic Ltd provides managed IT services for a domestic abuse charity. The team is responsible for onboarding, replacing WiFi access points, upgrading ESET antivirus, and installing WebTitan as a web filter.
"Systemagic Ltd really strives to give a high level of customer service and is very responsive to feedback."
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7
- $50,000+
- 1,000 - 9,999 employees
- Leeds, United Kingdom
Headquartered in Leeds, United Kingdom, BJSS is an IT consultancy with offices in London, New York, and Bristol and Manchester, U.K. Since 1993, their team of 750+ has specialized in custom software development, application testing, IT strategy consulting, and more for enterprise-level and midmarket clients.
Clients
- Euroclear
- Barclays
- Xerox
- BBC
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BJSS is developing an integration layer to send medical recommendations from a third-party solution to a .NET web app and SQL database. Their solution is built on JSON, HTML, and JavaScript.
"...BJSS’ work has put us in a fantastic position."
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8
- Undisclosed
- 10 - 49 employees
- London, United Kingdom
HewardMills is a Data Protection Office (DPO) services company based in London with offices in Dublin, San Francisco, Berlin, and Zurich. The company has a team of more than 30 that provides business consulting, cybersecurity, and corporate training services to various companies.
Clients
- Monzo
- Symantec
- iManage
- HCL
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HewardMills provides data privacy and compliance services to a marketing technology company. Their role involves evaluating the company's policies and helping them assess privacy risks appropriately.
"They help us achieve compliance without being very rigid."
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9
- $25,000+
- 50 - 249 employees
- London, United Kingdom
Esynergy is a big data analytics company. They are headquartered in London, United Kingdom and have a midsize team. Their services include BI & big data consulting & SI, cloud consulting & SI, custom software development, mobile app development, and more.
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A streaming services company hired esynergy for cloud and cybersecurity services. They hosted their servers on AWS, took care of coding, and created a high-security password vault, among other tasks.
''All outcomes and goals that were set at the beginning of the project were fully met.''
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10
- $1,000+
- 2 - 9 employees
- London, United Kingdom
Daynt, a software development firm, was launched in 2020. Their small team is located in London, United Kingdom. The company specializes in custom software development, web development, mobile app development, application management & support, and more.
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Daynt developed an iOS, Android, and web app marketplace for a property management professionals network. They implemented features for user management, searching, job posting, quoting, payments, and reporting.
"Their deep understanding of our specific needs allowed them to provide tailored solutions."
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11
- $1,000+
- 10 - 49 employees
- London, United Kingdom
Smartdesc is a London-based IT company with a team of fewer than 50 people. Founded in 2011, they offer IT strategy consulting, cloud consulting, and cybersecurity solutions for small and mid-market businesses, primarily non-profit organizations.
Clients
- Mind
- Terrence Higgins Trust
- NCVO
- ACEVO
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Smartdesc helped a nonprofit membership organization transition from an outdated technology environment to Office 365 in order to facilitate remote work. They remain on board to provide ongoing support.
"The most noteworthy thing about working with them is their ability to fix problems."
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12
- $5,000+
- 10 - 49 employees
- Billericay, United Kingdom
Clear Thinking Solutions is a communication and IT solutions provider based in Essex, U.K., with an office in London. The company, founded in 2009, has a team of more than 20 that provides IT managed services, cybersecurity, and IT strategy consulting to small and midmarket companies.
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To improve the events and networking company's IT division, Clear Thinking IT Solutions was brought in to optimize its cyber security measures and maintain compliance requirements.
"They have built us a robust IT infrastructure that is reliable."
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13
- $5,000+
- 10 - 49 employees
- Sheffield, United Kingdom
PAV I.T. Services is an IT company in Leeds and Burgess Hill, England. Founded in 1988, they have about 33 employees that serve mostly small-business and midmarket clients in the automotive, legal, and financial sectors. Services include IT managed services, cloud consulting, and IT strategy consulting.
Clients
- Stevensdrake solicitors
- XYZ
- La Redoute
- MDA College
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An occupational health company hired PAV I.T. to provide IT support, specifically with information security. The team monitors the network and equipment and takes other consistent measures to ensure security.
"They have a very clear implementation plan and it inspires confidence."
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14
- $1,000+
- 10 - 49 employees
- Bournemouth, United Kingdom
Cloudserve is a cloud solutions provider based in Bournemouth, England with an office in London. Founded in 2009, their team of fewer than 50 professionals offers IT managed services, IT strategy consulting, and cloud consulting & SI services for small and medium-sized businesses. They have experience working in various industries, including hospitality, financial services, and IT.
Clients
- FJB Hotels
- BSN Social Care
- Futur First
- Braben
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Cloudserve Ltd migrated local servers to a central cloud environment. They integrated Office 365, SharePoint, file-sharing, and implementing abilities into the IT system. They provide ongoing support services.
"Cloudserve Ltd has delivered exceptional ongoing support."
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15
- $1,000+
- 10 - 49 employees
- Belfast, United Kingdom
Tibus Ltd is an internet company based in Belfast, Ireland that was founded in 1996. Their team of around 30 employees provides managed IT services to mid-market and small businesses in the IT sector.
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TIBUS provides web hosting services for an AV service company. Their scope of work recently broadened to include server installation, which involves setting up sub-second, low-latency streaming servers.
“TIBUS’ support is amazing, and they’re always there for us when we need them.”
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16
- Undisclosed
- 50 - 249 employees
- Liverpool, United Kingdom
ReputationDefender is a public relations firm. Their midsize team is located in Redwood City, California; Tempe, Arizona and Liverpool, United Kingdom. Their services include public relations, cybersecurity, and search engine optimization. The company was established in 2006.
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ReputationDefender provided online reputation management services for a family consulting business. They created various websites and optimized them to improve the digital reputation of the client.
“Their experience spoke volumes, and they knew what this field was all about.”
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17
- $10,000+
- 2 - 9 employees
- Farnborough, United Kingdom
ACUMED Consulting Ltd is a data science and business analytics consultancy based in Hook, U.K. The consultancy, founded in 2010, has a team of less than ten that provides BI & big data consulting & SI, cybersecurity, AI, business consulting, and other application development services. ACUMED Consulting serves small and mid-market companies in various industries that include gaming, advertising & marketing, and health care & medical.
Clients
- RIOT Games
- Fourth Floor Creative
- EMERGEiQ
- Boehringer-Ingelheim
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A technology platform works with ACUMED Consulting Ltd for data science and engineering services. The goals are to win a bid, complete a tier bank, and develop algorithms.
"They are technical experts with a family business vibe, just like our startup."
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18
- $5,000+
- 50 - 249 employees
- London, United Kingdom
Suntel Analytics, LLC is a West Palm Beach, Florida-based AI development company. Launched in 2022, the small team focuses on Artificial Intelligence, business consulting, corporate training, ai consulting, and more.
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Suntel Analytics provided cybersecurity services for a financial services company. The team was tasked with data security, performance analysis, network fortification, employee training, and 24/7 monitoring.
"Suntel Analytics provided robust cybersecurity services to our finance team."
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19
- $1,000+
- 10 - 49 employees
- London, United Kingdom
Teceze Ltd is a London-based IT company founded in 2012 with more than 10 employees. They are experts in IT strategy consulting, cybersecurity, and IT managed services for clients that work in the industries of business services, consumer products, and more.
Clients
- Outsell, Inc.
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Teceze supplies IT and tech support for a research advisory firm. They manage the firm’s hardware, office machines, security, and internal applications. They also troubleshoot issues as needed.
"Teceze is proactive in terms of reaching out to end users and fixing issues."
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20
- Undisclosed
- 1,000 - 9,999 employees
- London, United Kingdom
BSI Group is an IT firm headquartered in London. Their midsized team specializes in cybersecurity, IT strategy consulting, and business consulting.
Clients
- MED49
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BSI Group performed an audit of a healthcare provider software company. The team audited the client's company in two stages to ensure ISO 13485 compliance.
"They were very straightforward."
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21
- $1,000+
- 10 - 49 employees
- Manchester, United Kingdom
Apex Computing Services Ltd is an IT managed services company. Their small team is headquartered in Manchester, United Kingdom and Salford, United Kingdom. The company offers IT managed services, IT strategy consulting, cloud consulting & SI, and cybersecurity. The company was launched in 2003.
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Apex Computing Services Ltd is helping with IT and PC security, internal network set-up for a solution provider. The team set up routers, networks, and firewalls using Microsft 365 and Azure Active directly.
"The skills of their engineers are second to none I've worked with."
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22
- Undisclosed
- 50 - 249 employees
- London, United Kingdom
Founded in 2019, BreachLock Inc is a cybersecurity company. They are in New York, New York and have a midsize team. Their services include cybersecurity, IoT development, application testing, compliance consulting, and more.
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23
- $1,000+
- 10 - 49 employees
- Potters Bar, United Kingdom
IT managed services company TWC IT Solutions was established in 2011. They are located in Potters Bar, United Kingdom; Jersey City, New Jersey and Central, Hong Kong and have a small team. Their services include IT managed services, IT strategy consulting, cloud consulting & SI, unified communications consulting & SI, and more.
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TWC IT Solutions provides ethernet, telephony, and mobile support for a meat and poultry supplier. They implement a cloud-based telephony system, allowing for an efficient route to inbound order support.
"We are impressed with the high level of expertise of every team member."
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24
- $1,000+
- 10 - 49 employees
- Hildenborough, United Kingdom
RSK Cyber Security is a cybersecurity company. They are headquartered in Hildenborough, United Kingdom and Dubai, United Arab Emirates and have a small team. Their services include cybersecurity, cloud consulting & SI, web development, mobile app development, and more. The company was established in 2021.
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RSK Cyber Security was hired by a sales software company to provide cybersecurity services. The team was tasked with identifying security gaps, risk scoring, managing APIs, and recommending security solutions.
"They demonstrated their deep understanding of the product security threat landscape."
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25
- Undisclosed
- 250 - 999 employees
- Nottingham, United Kingdom
Littlefish Managed IT Services is an IT managed services company. Their midsize team is located in Nottingham, United Kingdom; Sheffield, United Kingdom and London, United Kingdom. The firm specializes in IT managed services, cybersecurity, cloud consulting & SI, and IT strategy consulting. The firm was established in 2003.Visit SiteIndustries
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26
- $25,000+
- 10 - 49 employees
- London, United Kingdom
DigiTaiken, a product design company, was launched in 2019. The small team specializes in product design, cybersecurity, custom software development, Artificial Intelligence, and more. The agency is headquartered in London, United Kingdom; Bengaluru, India and Mississauga, Canada.
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27
- $10,000+
- 2 - 9 employees
- London, United Kingdom
Ministry Design is a branding agency. Their small team is located in London, United Kingdom. Their team offers branding, voice services, digital strategy, search engine optimization, and more.Visit SiteClients
- Oxfam
- UNICEF
- Skadden LLP
- Dechert LLP
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28
- $1,000+
- 10 - 49 employees
- London, United Kingdom
DynaRisk, a cybersecurity company, is in London, United Kingdom. The small firm was launched in 2016. Their team focuses on cybersecurity.Visit SiteClients
- Hiscox
- Chubb
- BOXX Insurance
- Digimune
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29
- $25,000+
- 1,000 - 9,999 employees
- Milton, United Kingdom
Darktrace , a cybersecurity company, was established in 2013. The firm specializes in cybersecurity and has a large team.Visit Site -
30
- Undisclosed
- 250 - 999 employees
- Birmingham, United Kingdom
IT strategy consulting company Air IT was established in 2005. Their midsize team is located in Sandiacre, United Kingdom. Their services include IT strategy consulting, cloud consulting & SI, cybersecurity, and IT managed services.
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