Celebrating 2025 as the year the digital transformation wave peaks in Europe. Czechia (Czech Republic) is the rising stronghold in cybersecurity innovation and protection. Government support, IT education, and a growing digital economy have led to a large array of cybersecurity firms in Czechia capable of doing business with enterprises of all sizes. No matter if you are a startup looking for network security or a government organisation wishing for end-to-end threat detection, Qualysec Technologies has listed the top 40 cybersecurity companies in Czech Republic that are tackling the country’s cybersecurity.
List of cybersecurity companies in Czechia
1. Qualysec Technologies
In 2025, Qualysec Technologies will be the face of cybersecurity companies in Czechia. Qualysec strives to stay on top of innovation and constantly services its clients in a client-centric way to strengthen digital infrastructures from catering to growing threats.
Services offered:
- Web app penetration testing
- Mobile app penetration testing
- Cloud penetration testing
- API penetration testing
- IoT penetration testing
- External network penetration testing
- Desktop application penetration testing
- Source code review
- Vulnerability assessment
- Cyber security audit
This, combined with a deep technical acumen, gives businesses of all sizes the expertise to overcome the complexities of the modern threat landscape with Qualysec’s proactive approach. Having already cemented their dominance in Czechia, they proudly offer tailored solutions that are both urgent and long-term in nature like affordable vulnerability assessment Czechia, thus representing the top provider of cybersecurity.
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2. Avast
On the business or consumer side, Avast is known for its coverage of threat detection and prevention with a wide selection of antivirus and internet security software.
3. TrustPort
Among Czech-based cybersecurity companies in Czechia, they deal in data security and encryption solutions. TrustPort offers antivirus software and other products for individual and corporate clients.
4. Safetica
A Czech-based DLP and insider threat detection company. Safetica solutions allow organizations to monitor sensitive data while controlling potential leaks and malicious activities.
5. GREYCORTEX
Established as a Canadian company located in Brno with its focus or expertise in AI-driven cybersecurity. GREYCORTEX detects advanced machine anomalies in network traffic and presents real-time insights.
6. ThreatMark
This Czech company is focused on solutions in the field of fraud prevention and digital trust enhancement. The technology of their core is based on the usage of behavioural biometrics and advanced analytics. The idea is to safeguard online transactions and to recognize identities through a unique pattern of the behaviour of users. The ThreatMark software addresses the challenges facing financial fraud reduction and the creation of a more secure digital environment for counterpart businesses and their customers overall.
7. GoodAccess
GoodAccess, which is based in the Czech Republic, is a business that provides secure remote access solutions. The pillars of their platform are stuck to Zero Trust security that ensures strict identity verification and least privilege access. By providing secured connectivity to resources essential to let the remote workforce go about its work, GoodAccess mitigates the potential of a remote workforce gaining unauthorized access and committing data breaches.
8. CSIRT.CZ
CSIRT.CZ is the national Computer Security Incident Response Team for the Czech Republic. Among all cybersecurity companies in Czechia, they do activities like providing timely security advisories, analyzing emerging threats and guidance to those organizations and individuals affected by cyberattacks.
9. National Cyber and Information Security Agency (NÚKIB)
NÚKIB is the central governmental authority in the Czech Republic in matters of national cybersecurity. Formulation of national cybersecurity policy, management of response to major cyber incidents, and protection of critical information infrastructure from cyber threat are the responsibilities of it. NÚKIB is fundamental among cybersecurity companies in Czechia to the shaping of the Czech Republic’s cybersecurity strategy.
10. Cybersecurity Innovation Hub
It is a non-profit network organization located in Brno that promotes the work of the cybersecurity ecosystem in the Czech Republic. Through this, it allows an industry stakeholder to collaborate, share knowledge about and best practices around cybersecurity, and help implement innovative security technologies across the globe.
11. Anect
This company is a supplier of ICT security services, specializing in hybrids and, in particular, in the cloud. Anect provides a variety of services intended to improve the security posture of its clients as well as conducting detailed security assessments to understand vulnerabilities and offering expert implementation services to install and set up security versatility.
12. Aricoma
Aricoma provides IT services and a digital transformation company, that integrates strong security measures into its digital solutions and infrastructure offerings. This helps businesses in their digital transformation processes by ensuring that security is rooted in their IT systems and processes which reduces the possibility of cyber crimes.
13. DCIT
This firm focuses on the provision of expert consulting and auditing services as they relate to information technology and security systems. DCIT helps organizations conduct comprehensive audits and provide strategic consulting on current security frameworks to determine the gaps that should be filled and standards or regulations that should be met.
14. ELLIO Technology
These cybersecurity companies in Czechia aim to tackle the issue of Alert Fatigue as undertaken by security teams, which keeps them from addressing all outstanding issues. But it is they who aim to make it easier for security teams to deal with security alerts and deepen their knowledge about the real threats to ensure they respond more effectively to the most significant ones.
15. IBA Security
As the cybersecurity competence centre of the IBA Group, IBA Security provides security services and exploits all IBA Group expertise. They offer a wide portfolio of cybersecurity solutions based on their thorough knowledge base and help clients develop options for various security challenges.
16. KPCS CZ
KPCS CZ is an IT service provider, operational in the market from the point of view of delivering safe and effective IT solutions designed for businesses. Among their offerings are IT services that constantly meet the needs of running business operations in terms of stability and security through the usage of technology.
17. Soitron
IT services company Soitron has a secondary division in cybersecurity that can especially be of use in financial markets. Services include their cybersecurity practice, which involves security consulting by conducting security audits and providing and discussing security posture and strategies for a business. They also provide managed security services, where they take the responsibility of monitoring and securing security infrastructure and responding to threats on behalf of their customers.
18. Dimension Data (NTT Ltd.)
The integrated technology and service capabilities underlined cybersecurity companies in Czechia so that organizations that manage security risks, protected their digital assets and met the requirements of relevant regulations can use these offerings.
19. T-Mobile Czech Republic
From their telecom base, they support security solutions for business communications, data and internet presence protection from cyber threats, as the indirect business.
20. O2 Czech Republic
O2 in the Czech Republic is a telecommunications provider where security solutions are also offered to its business clients similar to T-Mobile. As the requirement for securing online digital assets and communications continues to rise, these security services have been created to tackle these problems.
21. ČEZ ICT Services
This company is a branch of the IT services division of the large Czech energy provider ČEZ and can provide the energy industry with cybersecurity products that suit the specific troubles faced by the sector. However, their services are not limited to this particular industry, and they have a range of security services to protect critical infrastructure and digital assets of other organizations.
22. Datasys
They provide IT infrastructure management, cloud computing services, as well as a bundle of cybersecurity solutions to protect data and systems from current threats.
23. Algotech
Algotech is a technology company, operating company that provides several IT services to businesses. The service includes the supply of cybersecurity solutions aimed at different threat vectors as well as expert consulting services to assist companies in developing and implementing appropriate security strategies.
24. CompuNet
It is an IT solutions provider making an effort to provide a reliable network infrastructure to businesses. Apart from their networking competence, CompuNet also offers a variety of security solutions to protect network environments and the data they transfer from unauthorized access as well as cyber threats.
25. Actinet Informační systémy
It is a company primarily focusing on information security. Various security solutions are provided by them to protect the integrity, confidentiality and availability of an organization’s data and IT infrastructure.
26. DNS a.s.
DNS a.s leads as a supplier offering Internet and telecommunication services in the Czech Republic and as a provider of the security solutions. These services are made just to give some guard to their client’s confinements, data transmission, and online presence from possible cyber opportunities.
27. SystemHouse s.r.o.
They provide management and maintenance of IT infrastructure along with a range of cybersecurity services to safeguard the digital assets and to maintain business continuity in case of cyber risks.
28. AWANT s.r.o.
AWANT has been offering IT services and solutions for businesses. In addition to security consulting, they identify where vulnerabilities lie, formulate strategies, and put in place security measures and technologies.
29. Netmail s.r.o.
All of the IT solutions provided by Netmail specifically relate to email and collaboration platforms. Following this, they increasingly add onboard email security services to their portfolio for digital communication security.
30. TrustCom s.r.o.
As a provider of IT and telecommunication services, TrustCom runs together. Additionally, their security solutions are available for businesses’ protection of IT infrastructure and communication networks from any attacks.
31. ICT Pro s.r.o.
ICT Pro is an IT service company that provides an entire gamut of technology solutions for customers. They provide services that include cybersecurity expertise, security measures as well and continued support for IT security requirements.
32. Infonia s.r.o.
Infonia is a company that deals with the provision of IT solutions centred on network infrastructure. They also offer security services which combine network services to protect the network environment and data.
33. GOPAS s.r.o.
Established as a cybersecurity training for employees in South Bohemia, GOPAS also supports modern security through the provision of high-end training programs and awareness initiatives aimed at informing citizens and organizations on security practices.
34. S&T CZ s.r.o.
S&T CZ is part of an international group of IT services and consulting companies, allowing them to pass on their knowledge from around the globe to Czech customers. They provide a variety of cybersecurity services using their international practices and assets.
35. Deloitte Czech Republic
Within the global Deloitte network, professional services are provided by the Czech branch in cybersecurity consulting. They help organizations realize risks that may be occurring or develop security strategies that meet their requirements.
36. EY Czech Republic
EY in the Czech Republic assists clients in securing digital assets and efficiently controlling cyber-related risks.
37. PwC Czech Republic
PwC Czech delivers professional services in a variety of fields such as cybersecurity solutions. They help through consulting and technologies relevant to dealing with their security challenges.
38. KPMG Czech Republic
In the area of cybersecurity, KPMG offers advisory services in cybersecurity services Prague for small businesses. They assist organizations in measuring their security posture and putting them in place to guarantee that security measures and frameworks are implemented.
39. IBM Czech Republic
IBM is present in Czechia, supplying the Czech market with products, services, and consulting in the area of cybersecurity.
40. Microsoft Czech Republic
Although primarily known for its software products, the Microsoft Czech unit also serves a wide range of cloud-based and other security solutions and services designed to meet the needs of businesses utilizing Microsoft’s technologies.
Talk to our Cybersecurity Expert to discuss your specific needs and how we can help your business.
Conclusion
Security and incident response teams in the Czech Republic are no longer a luxury but a necessity — and should be taken very seriously. Considering that you’re either an enterprise trying to get your hands on digital transformation or a startup when you’re building your first app, you want the right partner in this list of cybersecurity companies in Czechia who can save your security posture. Czechia’s cybersecurity in 2025 is a lot stronger than in any other year. Go through the needs evaluation, discuss compliance requirements, and pick a cybersecurity partner like Qualysec Technologies with whom growth is safe.
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