The Best Cybersecurity Consultants in the UK

Looking 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

  • 1

    BSI Group

    BSI Group is an IT firm headquartered in London. Their midsized team specializes in cybersecurity, IT strategy consulting, and business consulting. 

    Notable Project

    BSI Group audited a healthcare provider software company to see if they were ISO 13485 compliant. The audit was completed in two phases. 

    "They were very straightforward. It was very clear what was being done and what their expectations of us were." – Director of Operations, Healthcare Provider Software Company

    Former clients
    MED49
    $ $ $ $ $
    equalizer

    Undisclosed

    group1,000 - 9,999 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
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  • 2

    BJSS

    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. 

    Notable Project

    After BJSS worked on automating a grocery store's software system, they later redesigned their e-commerce platform and built product scan tools. The agency delivered everything on time. The client prides BJSS on tackling such a hard project with intense passion.

    "They're very straightforward, and they're very matter of fact. They tell you as it is, without dressing it up and without making drama of it." – Head of IT Delivery, Retail Grocer

    Former clients
    Euroclear
    Barclays
    Xerox
    BBC
    $ $ $ $ $
    equalizer $50,000+
    group1,000 - 9,999 Employees
    place Leeds, United Kingdom
    4.5
    4.5
    5 Clutch reviews
    Awards

    The Queen's Award for Enterprise (2018) , The European Software Testing Awards (2015, 2016) , Best in Business Awards (2014)

  • 3

    DataArt

    DataArt is a software engineering firm in München, Germany; Zug, Switzerland; London, England; and New York. Founded in 1997, they have about 3,000 employees that serve mainly midmarket and small-business clients in the financial, healthcare, and IT sectors. Services include custom software development, enterprise app modernization, and UI/UX design.

    Notable Project

    DataArt provided QA services for a financial institution. In order to help facilitate a smooth transformation, their team tested credit card payments, billing, and other automated functionalities. Their work has received positive feedback and helped detect bugs and issues.

    “The substantial parts are that they’re really transparent and responsive.” – VP & CTO, Financial Institution

    Former clients
    Apple Leisure Group
    Cancer Research UK
    Nasdaq
    Credorax
    Ocado
    $ $ $ $ $
    equalizer $50,000+
    group1,000 - 9,999 Employees
    place London, United Kingdom
    5.0
    5.0
    12 Clutch reviews
  • 4

    Smartdesc

    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.

    Notable Project

    Smartdesc provided various IT services and cloud migration for a non-profit organization. The organization needed to transition their work online to the cloud. The project enabled the organization to work 100% remotely.

    “Anytime we came across a slight barrier, it was never an issue to Smartdesc — they always managed to find a solution or a workaround.”  - Head of Finance and Operations, Non-Profit Organization
     

    Former clients
    Mind
    Terrence Higgins Trust
    NCVO
    $ $ $ $ $
    equalizer $1,000+
    group10 - 49 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 5

    Sattrix

    Sattrix is an IT firm founded in 2013 with over 50 professionals. They offer cybersecurity and IT managed services from their office in Ahmedabad, India. They primarily work with small businesses in the industries of telecommunications, IT, and more.

    Notable Project

    Sattrix provided security and IT managed services for an accounting firm. These services included cloud infrastructure hosting and security management. The solutions were fully deployed within a week.

    “The workflow was as smooth and as easy as it was before hiring services of Sattrix.” - Managing Partner, Accounting Firm

    Former clients
    B J Patel & J L Shah - CA
    $ $ $ $ $
    equalizer $1,000+
    group50 - 249 Employees
    place Greater London, United Kingdom
    5.0
    5.0
    3 Clutch reviews
  • 6

    ConvoSync Solutions

    ConvoSync Solutions is a cybersecurity company with over 250 members and founded in 2019. Based in Kochi, India, they provide cybersecurity, IT managed services, and cloud consulting solutions for mid-market and enterprise-level clients across various industries.

    Notable Project

    ConvoSync Solutions assisted in integration for a trading platform. The project consisted of 12 different members forms ConvoSync Solutions. Everything was smooth throughout the entire project.

    “Perfect.” - Engineeer, Trading Platform

    Former clients
    Tower 5 Full Marina
    Deestar
    Phase 2 Al Mana
    $ $ $ $ $
    equalizer $1,000+
    group250 - 999 Employees
    place Manchester, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 7

    HewardMills

    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.

    Notable Project

    A marketing technology company hired HewardMills to help them comply with European data privacy law by providing Data Protection Office (DPO) services. HewardMills also provided consultancy regarding data privacy policies and European data privacy law and helped put solutions that would help the company comply. The engagement has enabled the company to move forward after having fulfilled their legal requirements.

    "HewardMills is very responsive; if I hand them something on Monday, I almost always get a response about it in our Wednesday meeting." - Global Data Privacy Manager, Marketing Technology Company 

    Former clients
    Monzo
    Symantec
    iManage
    HCL
    $ $ $ $ $
    equalizer

    Undisclosed

    group10 - 49 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 8

    Clear Thinking IT Solutions

    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.

    Notable Project

    Clear Thinking Solutions has provided IT services and support to an events and networking company. These services include cybersecurity services, software licensing, compliance requirements, bespoke IT consulting, and miscellaneous on-call IT support services. Clear Thinking Solutions has provided service that meets all expectations in this ongoing engagement, allowing the company to run more efficiently.

    "Keeping our systems running 24/7, keeping us safe from cyber-crime, and managing our licensing is a huge burden lifted from me." - Owner and Director, Events and Networking Company

    Former clients
    Carroll Holman Insurance Brokers
    Medsol Healthcare
    ITH Pharma
    Regis Mutual Management
    $ $ $ $ $
    equalizer $5,000+
    group10 - 49 Employees
    place Billericay, United Kingdom
    5.0
    5.0
    6 Clutch reviews
  • 9

    Texaport

    Texaport Ltd is a tech support company based in Edinburgh, England, with a team of fewer than 10 members. Founded in 2012, the company provides cybersecurity, IT managed services, and IT strategy consulting services to mid-market firms as well as small and large companies. They have worked in various industries, such as IT, business services, and telecommunications.

    Notable Project

    A media agency subcontracted Texaport Ltd to help with support for their IT system. Whether remotely or in the office, Texaport Ltd provides support for the company to make sure any problems with the Internet or server get fixed quickly. Texaport Ltd also worked on the server's backend for safe and secure data.

    "They always deal with issues in a timely manner. We never have to wait overly long for problems to be resolved. They work hard to ensure that we’re able to work with few IT issues. Texaport Ltd often flags and resolves issues before we even notice there’s a problem." - Account Manager, Media Agency

    $ $ $ $ $
    equalizer $1,000+
    group10 - 49 Employees
    place Edinburgh, United Kingdom
    5.0
    5.0
    4 Clutch reviews
  • 10

    SonicFast

    SonicFast is a hosting solutions provider founded in 2015 in London and with about 5 employees on board. Their main services include cybersecurity, cloud consulting and systems integration, IT managed services, and business intelligence. They mostly cater to small businesses in telecommunications, IT, and gaming industries. 

    Notable Project

    SonicFast provided hosting and DDoS (distributed denial-of-service) protection for a public proxy provider's website that needed to guarantee less downtime due to cyberattacks. Their work has significantly improved the website's security.

    "In the year I have been working with SonicFast I saw a lot of improvement..." – CEO, Public Proxy Provider

    $ $ $ $ $
    equalizer $1,000+
    group2 - 9 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 11

    PAVilion

    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.

    Notable Project

    PAV I.T. Services handled IT managed services and support for an online fashion retailer. Their team worked on hardware renewals, watched the partner’s firewalls, and provided technical support. Their efforts have received positive feedback about its thoroughness and ease of execution.

    “PAV I.T. Services is very thorough and they possess high-level expertise in their field. Not to mention, the price they offer is highly competitive.” – Head of IT & Facilities, Online Fashion Retailer

    Former clients
    Stevensdrake Solicitors
    La Redoute
    Kew Electrical
    MDA College
    Woodroyd Nursery
    $ $ $ $ $
    equalizer $5,000+
    group10 - 49 Employees
    place Leeds, United Kingdom
    5.0
    5.0
    2 Clutch reviews
  • 12

    RiskIQ

    RiskIQ is a cybersecurity company based in San Francisco with a team of just over 150 employees. Established in 2009, they provide cybersecurity, business intelligence, big data consulting, and software integration services to clients in a variety of industries.

    Former clients
    Amazon
    Disney
    Bank of America
    Box
    Pepsi
    SONY
    Box
    DocuSign
    $ $ $ $ $
    equalizer $5,000+
    group50 - 249 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 13

    Teceze Ltd

    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.

    Notable Project

    Teceze Ltd provides IT managed services for a research advisory firm. The firm was in need of a new IT support company to handle their IT needs. The firm has partnered with Teceze Ltd ever since.

    “They’re available 24/7 and responsive, usually within 10 minutes. They have a ticketing system installed on each machine for issue reporting.” - VP of IT Operations, Research Advisory Firm

    Former clients
    Outsell, Inc.
    $ $ $ $ $
    equalizer $1,000+
    group10 - 49 Employees
    place London, United Kingdom
    4.5
    4.5
    1 Clutch review
  • 14

    TIBUS

    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. 

    Notable Project

    Partnering with a nonprofit organization, Tibus Ltd provides ongoing hosting of a WordPress website. They also provide updates to the site and address any security concerns. The client is pleased with Tibus Ltd's deep engagement. 

    "They are knowledgeable and very responsive to queries. Our agreement establishes good processes for incident management and reporting. These standards prevent issues from arising." – IT Operations Manager, Nonprofit Organization

     

    $ $ $ $ $
    equalizer $1,000+
    group10 - 49 Employees
    place Belfast, United Kingdom
    4.8
    4.8
    3 Clutch reviews
  • 15

    UDEV HUB

    UDEV HUB is a software development company founded in 2018 in Kyiv, Ukraine with over 250 members. They specialize in cybersecurity, IT staff augmentation, and custom software development solutions for clients in the fields of financial services, e-commerce, and education.

    Notable Project

    UDEV HUB developed a web app for an AI-based security company. UDEV HUB was in charge of developing the web app’s front-end systems. The company was able to conduct multiple demos thank’s to UDEV HUB’s assistance.

    “The workflow was very effective.” - Head of Product, AI-Based Security Company

    Former clients
    GBS SOLUTIONS
    PZU
    v
    $ $ $ $ $
    equalizer $25,000+
    group250 - 999 Employees
    place London, United Kingdom
    4.9
    4.9
    5 Clutch reviews
  • 16

    Cloudserve Ltd

    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.

    Notable Project

    A recycling business subcontracted Cloudserve as an IT provider for ongoing support as well as hardware and software assistance. Cloudserve helped locate a recycling operating system in the market and hooked up the business with Microsoft services that they use on a regular basis. Work with the business is ongoing to this day.

    "Their personal approach is the best. When we ring them, we speak to the same people. We know them and they know us. They get into our system and resolve issues immediately. The speed of response is great as well." - Managing Director, Recycling Business

    Former clients
    FJB Hotels
    BSN Social Care
    Futur First
    $ $ $ $ $
    equalizer $1,000+
    group10 - 49 Employees
    place Bournemouth, United Kingdom
    5.0
    5.0
    4 Clutch reviews
  • 17

    Deployflow

    Deployflow is a boutique DevOps agency composed of a team of fewer than 10 professionals founded in 2010. Based in Reading, the United Kingdom, they provide cloud consulting & SI, cybersecurity, and IT managed services solutions for small and medium-sized businesses in various fields, such as financial services, IT, and real estate.

    Notable Project

    Deployflow worked with an IT consultancy office to help fill the skill gap in their consulting portfolio for clients in Dubai. Deployflow helped by providing custom solutions to the consultancy's clients. Deployflow has never missed a deadline over the years and has continued to provide reliable service to the consultancy.

    "If we come to them with a task in their area of expertise, they deliver. They’ve never been late and our clients are always happy. Thomas is our secret weapon. Whenever we bring him to a meeting, people don’t want him to leave. This is the general nature of our business relationship." - Founder, IT Consultancy Office

    Former clients
    TCN
    Vodafone
    Zilch Technology
    $ $ $ $ $
    equalizer $5,000+
    group2 - 9 Employees
    place Reading, United Kingdom
    5.0
    5.0
    3 Clutch reviews
  • 18

    ACUMED Consulting Ltd

    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. 

    Notable Project

    A technology platform took on ACUMED Consulting Ltd as a partner in bidding for a data science & AI project for a bank and to complete a bank data science challenge project. Together, they ranked 7th for the project bid but only the top 5 were accepted. On the other hand, they completed the second project successfully.

    "Technical expertise with a family business vibe, just like our startup." - CTO, Technology Platform

    Former clients
    EMERGEiQ
    RIOT Games
    Boehringer-Ingelheim
    $ $ $ $ $
    equalizer $10,000+
    group2 - 9 Employees
    place Hook, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 19

    Digital Curve Consulting

    Digital Curve Consulting is a consultancy based in Sheffield, England with more than 10 experts. They have provided cloud consulting, IT strategy consulting, and cybersecurity solutions since their founding in 2020. They work with small and mid-market firms.

    Notable Project

    Digital Curve Consulting developed a CMS platform for a cybersecurity consulting company. The platform was built from scratch using Python and other tools. The solution was completed eight days ahead of schedule.

    “Great teamwork and excellent communication skills.” - Senior Partner, Cybersecurity Consulting Company

    Former clients
    GSA Labs, LLC
    $ $ $ $ $
    equalizer $1,000+
    group10 - 49 Employees
    place Sheffield, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 20

    Software Outsourcing Services (SOS) Ltd

    Software Outsourcing Services (SOS) Ltd is a software company based in Maidenhead, England, and founded in 2016. With no more than 50 employees, they specialize in custom software development, UX/UI design, and application management and support solutions for various clients.

    Notable Project

    Software Outsourcing Services (SOS) Ltd provided web dev services for a SaaS platform. The platform needed front and back-end development assistance with developing new features. The platform is happy with Software Outsourcing Services (SOS) Ltd’s quality of work.

    “We were very impressed with them. We’ll be taking them up again if another project comes up.” - COO, SaaS Platform

    Former clients
    ClickSoftware
    FieldAware
    $ $ $ $ $
    equalizer $25,000+
    group10 - 49 Employees
    place Maidenhead, United Kingdom
    5.0
    5.0
    2 Clutch reviews
  • 21

    RiskVision - Out of Business

    RiskVision is a risk intelligence solutions company based in Sunnyvale, Calif. with offices in London and Hyderabad, India. Founded in 2005, the team of 225 specializes in cybersecurity, cloud consulting and SI, and IT strategy consulting. They focus on financial services, healthcare & medical, and media.

    Notable Project

    RiskVision worked on Microsoft cloud migration for a retailer. They integrated and configured computers with Microsoft Azure Cloud, and added special features such as password locking prioritized documents. The client was impressed by the results of the project.

    “We've seen a huge jump in productivity since the implementation. We also have fewer security incidents. RiskVision was affordable and easy to adjust to. Customer satisfaction is very important to their team.” – IT Manager, Retailer

    Former clients
    HBO
    Bell
    Southern Company
    State Street
    $ $ $ $ $
    equalizer $5,000+
    group50 - 249 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
    Awards

    Deloitte: Tech Fast 500 Canada (2017)

  • 22

    Altahonos

    Altahonos is a digital reputation company based in London with offices in San Francisco and Istanbul. The company, founded in 2017, has a team of more than ten that provides cybersecurity, branding, digital strategy, SEO, and IT strategy consulting services to various clients and companies. 

    Notable Project

    A makeup business hired Altahonos to clear unpleasant comments in the comment section of their google business page and social media pages help make project a more professional image of the business. Altahonos worked closely with the business's team to determine what needed to be done in detail, laid down the process, and proceeded to carry out the clearing task. Altahonos completed the project and exceeded the business's expectations.

    "All comments on each of the social media page we put in their hands to get rid of were removed without a trace." - Owner, Makeup Business

    Former clients
    Jasper's Info Tech
    $ $ $ $ $
    equalizer $1,000+
    group10 - 49 Employees
    place London, United Kingdom
    5.0
    5.0
    2 Clutch reviews
  • 23

    Awesome Resources Ltd

    Awesome Resources Ltd is a PR firm founded in 2010 with more than 10 employees. They offer digital strategy, social media marketing, and PR solutions from their office in London. They work with clients ranging from small startups to large companies.

    Notable Project

    Awesome Resources Ltd provided reputation management services for a business services company. The company and certain individuals were being attacked online, and they needed a way to neutralize it. Awesome Resources Ltd helped the company have a more positive reputation online instead.

    “Deal flow back up, political problems have gone away and we are growing again rapidly.” - Chairman, Business Services Company

    $ $ $ $ $
    equalizer $10,000+
    group10 - 49 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 24

    Pomeroy- Out of Business

    Pomeroy is an IT infrastructure solutions company based in Hebron, KY, with offices in Bourne End, UK, Pittsburgh, PA, and New York. Since it was founded in 1982, the team has grown to over 3,00 employees. Pomeroy provides IT managed services, non-voice BPO/back office services, and cybersecurity capabilities.

    Notable Project

    Pomeroy worked with a pharmaceutical company to improve the service level for the purchase, installation, configuration, support, maintenance, and disposal of PCs. They helped the client reduce the time needed to deliver computer-related equipment to employees' desks.

    "They are nice, knowledgeable people, and the services they're offering us are Pomeroy's area of expertise." – Manager, Medical Device Manufacturer

    $ $ $ $ $
    equalizer $10,000+
    group1,000 - 9,999 Employees
    place Bourne End, United Kingdom
    4.0
    4.0
    1 Clutch review
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