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All ListsCybersecurity Companies in the United Kingdom (UK)Cybersecurity Companies in London

Top Cybersecurity Companies in London

We've found the best
Cybersecurity Providers
 for you.

Looking for the best cybersecurity company in London? UpCity compiles authentic reviews, company descriptions, project examples, and more into a list for you to review. Feel confident you're finding the top provider for your business.

UpCity offers objective, independent research and verified user reviews. We earn compensation from some providers who sign up for sponsored profiles. Learn more about our trusted providers.

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Businesses provider works with
Any/All Available
Small Businesses: 1–250 employees
Medium Businesses: 251–999 employees
Enterprise Businesses: 1000+ employees
Provider's minimum per-project cost
Any/All Available
Up to $2,500
Up to $10,000
$25,000 or more
Provider's minimum retainer cost
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Up to $500, monthly
Up to $1,000, monthly
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9 Provider(s)Last Updated: April 25, 2025

Northdoor plc

London, London, City of, GB
Services
Cybersecurity
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Business Summary:
Award-winning IT consultancy in London, offering design, implementation, and support services in Data & Analytics, Cloud Computing, Security, BI & AI, and Applications
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Industry(s):
Government | Finance | Business Services | Non-Profit | Healthcare | Retail
Business Details
Businesses provider works with
Medium, Enterprise

Cubit Technology

London, LND, GB
Services
Cloud ConsultingIT ServicesCybersecurity
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Business Summary:
Cubit Technology is an information technology (IT) support provider specializing in managed services for marketing, design, public relations, and creative agencies. They offer outsourced IT support, consulting, help desk and remote support as well as network management services for businesses across various industries.
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Industry(s):
Entertainment | Business Services
Business Details
Businesses provider works with
Small

Exponential-e Ltd.

London, LND, GB
Services
Cybersecurity
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Business Summary:
Exponential-e is a UK Cloud, Connectivity, Communications, and Cyber Security pioneer, and a trusted technology partner for more than 3,000 companies. We have everything you need to create a tailored solution for your business addressing your unique technology challenges.
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Industry(s):
Attorneys | Automotive | Construction | Dental | E-Commerce | Education
Business Details
Businesses provider works with
Small, Medium, Enterprise
Provider's minimum per-project cost
$25,000 or more

Laburity

London, LND, GB
Services
Cybersecurity
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Business Summary:
Laburity is a cyber security services, consultancy, solutions and products company where we do cyber security research as well to stay ahead of the game.
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Industry(s):
SaaS | Non-Profit | Energy | Business Services
Business Details
Businesses provider works with
Small, Medium, Enterprise
Provider's minimum per-project cost
$1,000 or more
Provider's minimum retainer cost
$500 or more, monthly

Advania

Manchester, MAN, GB
Services
Cloud ConsultingManaged Service ProvidersIT ServicesView all
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Business Summary:
Advania is the tech company with people at heart, and we put people first in everything we do. Working across Azure, Dynamics 365, Microsoft 365, Security and Data, we empower people to create sustainable value with the clever use of technology.
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Industry(s):
Business Services | SaaS
Business Details
Businesses provider works with
Small, Medium, Enterprise
2022 Study: 50% of SMBs Have a Cybersecurity Plan in Place | UpCity

This UpCity study presents insight from 600 U.S. small business owners and IT experts on their latest cybersecurity practices, data breach prevention, and disaster recovery measures in 2022.

Read Article
How to Hire a Cybersecurity Company | UpCityRead Article
9 Cybersecurity Risk Management Tips for SMBs | UpCityRead Article
What to include in your small business cybersecurity checklist | UpCityRead Article

Mongoose Cyber Security Ltd

Knutsford, CHE, GB
Services
Cybersecurity
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Business Summary:
We empower businesses across the UK with robust cyber security solutions. We don't believe security should be a luxury – it's an essential investment. That's why we offer a comprehensive suite of services designed to fit your unique needs and budget.
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Industry(s):
Startups | Real Estate | Industrial | Hospitality | Healthcare | Energy
Business Details
Businesses provider works with
Small, Medium
Provider's minimum per-project cost
$1,000 or more
Provider's minimum retainer cost
Less than $500, monthly

First Response Europe

London, London, City of, GB
Services
Cybersecurity
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Business Summary:
First Response is a specialist cybersecurity, digital forensics and incident response company. Working with SMBs, SMEs & MSPs to protect their organisations, accelerate security maturity and reduce risk.
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Industry(s):
Retail | Non-Profit | Government | Finance | E-Commerce | Business Services
Business Details
Businesses provider works with
Small, Medium, Enterprise
Provider's minimum per-project cost
$5,000 or more
Provider's minimum retainer cost
$500 or more, monthly

Nicolson Bray Ltd

London, London, City of, GB
Services
Cybersecurity
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Business Summary:
Nicolson Bray is a boutique cyber security consultancy specialising in cyber security risk management and security solution delivery.
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Redscan

London, London, City of, GB
Services
Cybersecurity
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Business Summary:
Managed Detection and Response, Penetration Testing & Red Teaming. Redscan arms your business to combat cyber security threats. Speak to our experts today.
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