Top Cybersecurity Companies for IT Security

Between them, the 74 cybersecurity companies on this page cover cybersecurity (59), e-commerce development (44), IT services (42) and network security (42). They also list work in United States of America, Czech Republic, Poland and Estonia. 74 of them have written a profile you can read before you get in touch.

1. =22

   

   Nethone

   Artificial Intelligence - AI · E-Commerce Development · Software Development · Also in Poland

   Nethone is a data science company working on fraud prevention and AI-driven business intelligence for online sellers.

   Write a review

   Why #22 (shared): Founded 2016, as stated on its own website, read 6 Oct 2026

   Not yet on record: client reviews, vetting.

2. 26

   

   Veronym

   E-Commerce Development · IT Services · Network Security · Also in Germany

   German cloud cybersecurity service offering enterprise-grade protection to small and medium-sized companies through a subscription

   Write a review

   Why #26: Founded 2018, as stated on its own website, read 6 Oct 2026

   Not yet on record: client reviews, vetting.

3. =27

   

   nFlo Sp. z o.o.

   E-Commerce Development · Web Security · IT Solution · Also in Poland

   nFlo Sp. z o.o. is a technology company based in Poland's capital. It focuses on cybersecurity, IT infrastructure and cloud services.

   Write a review

   Why #27 (shared): ISO 27001, as stated on its own website, read 6 Oct 2026

   Not yet on record: client reviews, vetting.

4. =27

   

   Spin Technology

   E-Commerce Development · IT Services · Cloud · Also in United States of America

   Spin Technology, which trades as Spin.AI, makes SpinOne, a platform that protects data held in cloud software.

   Write a review

   Why #27 (shared): SOC 2, as stated on its own website, read 6 Oct 2026

   Not yet on record: client reviews, vetting.

5. Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
6. –

   1

   10Guards

   Mobile App Development · E-Commerce Development · IT Services · Also in Kyiv

   10Guards is a cybersecurity consultancy from Ukraine. Its team of ethical hackers and consultants helps companies manage cyber risk while keeping the business flexible.

   Write a review
7. –

   

   Advantio

   E-Commerce Development · IT Services · Data Security · Also in Ireland

   Advantio is a cybersecurity services provider. It combines technology with managed, advisory and testing services so that organisations can raise their cyber resilience and meet…

   Write a review
8. –

   A

   Anomali

   Artificial Intelligence - AI · E-Commerce Development · Cybersecurity · Also in United States of America

   Anomali is a cybersecurity company whose platform brings threat intelligence together with security operations.

   Write a review
9. –

   

   Blaze Information Security

   E-Commerce Development · Network Security · Web Security · Also in Brazil

   Blaze Information Security is a privately held, independent security firm formed from years of combined experience.

   Write a review
10. –

    

    Boxtrap Security

    IT Services · Data Security · Software Development · Also in Czech Republic

    Boxtrap Security is a consultancy working in information security.

    Write a review
11. –

    

    cdt digital GmbH

    IT Services · Network Security · Web Security · Also in Germany

    We are completely independent and will not sell you any stuff to get a commission. We work on Eye Level with our clients and value appreciative communication.

    Write a review
12. –

    

    COMGUARD a.s.

    IT Services · Network Security · Network Optimization · Also in Czech Republic

    COMGUARD a.s. is a value-added distributor of security and networking products that also provides expert services and training.

    Write a review
13. –

    

    Cyber Smart Defence

    IT Services · IT Solution · IT Consulting · Also in Romania

    Cyber Smart Defence is a security testing firm that grew out of a web development company.

    Write a review
14. –

    

    Cyber Struggle

    IT Services · Network Security · Cybersecurity · Also in Estonia

    Cyber Struggle is a cybersecurity company that treats security work as an ongoing struggle rather than a single war.

    Write a review
15. –

    C

    CyberX

    E-Commerce Development · Network Security · Web Security · Also in United States of America

    CyberX is a cybersecurity company that focuses on unmanaged IoT and industrial control system devices.

    Write a review
16. –

    

    CybExer Technologies

    IT Services · Network Security · Cybersecurity · Also in Estonia

    CybExer Technologies is an Estonian cybersecurity company that provides cyber range environments, where organisations practise defence and test their systems without risk to live…

    Write a review
17. –

    

    CyBourn

    IT Services · Network Security · IT Solution · Also in United States of America

    CyBourn is a managed detection and response (MDR) company. It watches client environments for cyber threats from its Security Operations Center and helps clients respond when…

    Write a review
18. –

    

    Cyscale Cloud Security

    E-Commerce Development · IT Services · Network Security · Also in Romania

    Cyscale Cloud Security makes a cloud-native application protection platform for security teams.

    Write a review
19. –

    

    Data Security Services s.r.o.

    IT Services · Web Security · Data Security · Also in Czech Republic

    Data Security Services s.r.o. is a Czech cyber security and data protection company.

    Write a review
20. –

    

    Defensive Security

    E-Commerce Development · Network Security · Cybersecurity · Also in Poland

    Defensive Security is a security company founded by Leszek Miś, who is also its principal trainer and researcher.

    Write a review
21. –

    

    Endpoint Protector by CoSoSys

    IT Services · IT Solution · Network Optimization · Also in Romania

    Endpoint Protector by CoSoSys is data loss prevention software that runs across Windows, macOS and Linux computers.

    Write a review
22. –

    

    ESKA

    Mobile App Development · E-Commerce Development · Network Security · Also in Ukraine

    ESKA is a cybersecurity and IT services provider organised around three teams that test, defend and govern a client's security.

    Write a review
23. –

    

    EVERSYS Sp. z o.o.

    Mobile App Development · E-Commerce Development · Network Security · Also in Poland

    EVERSYS Sp. z o.o. is an IT company in Poland that specialises in the security of data and network infrastructure.

    Write a review
24. –

    

    Exabeam

    E-Commerce Development · Data Security · Data Analytics · Also in United States of America

    Exabeam sells software for security operations centres. Its platform collects log data, applies behavioural analytics to spot attacks, and automates investigation and response, in…

    Write a review
25. –

    EN

    Exclusive Networks

    E-Commerce Development · Data Security · Data Center · Also in France

    Exclusive Networks is a global value-added distributor for cybersecurity and cloud products.

    Write a review

Articles

Related reading

Articles on this subject first, then the newest.

All articles

India

4 Oct 2026 · TrustList Editorial

Zaperon raises Rs 7 crore in a seed round led by Inflection Point Ventures for enterprise cybersecurity

Indian cybersecurity startup Zaperon has raised Rs 7 crore in a seed round led by Inflection Point Ventures to build out its platform for…

China

4 Oct 2026 · TrustList Editorial

China MIIT consults on 29 recommended national standards, led by connected-vehicle supply-chain cybersecurity, until 29 October 2026

China's MIIT published 29 proposed recommended national-standard projects for comment from 30 September to 29 October 2026, headed by…

Poland

2 Oct 2026 · TrustList Editorial

Poland orders its national cybersecurity entities to update MikroTik RouterOS now, as attackers exploit the flaws

Poland’s Government Plenipotentiary for Cybersecurity recommended on 2 October 2026 that entities in the national cybersecurity system…