Top 10 Polish IT Companies Delivering Solutions for the defence Sector (2025 Ranking)

The defence sector relies on cutting-edge IT services and software solutions to maintain a strategic edge. Poland, with its robust tech industry and NATO membership, has produced several outstanding IT companies capable of meeting the stringent requirements of military and security projects. Many of these firms have obtained high-level security clearances (such as NATO Secret, EU Secret, or ESA Secret certifications) and have proven experience in defence contracts. Below we present ten top Polish IT providers for the defence and aerospace sectors in 2025, with Transition Technologies Managed Services (TTMS) leading the list.

1. Transition Technologies Managed Services (TTMS)

Transition Technologies Managed Services (TTMS) is a Polish software house that has rapidly emerged as a key IT partner in the defence sector. TTMS has overcome high entry barriers in this industry by obtaining all the necessary formal credentials and expertise. Notably, TTMS and its consultants hold security clearances up to NATO Secret / EU Secret / ESA Secret, enabling the company to work on classified military projects. In recent years, TTMS doubled its defence sector portfolio by delivering end-to-end solutions for the Polish Armed Forces and NATO agencies. Its projects span C4ISR systems (command, control, communications, computers, intelligence, surveillance, and reconnaissance), AI-driven intelligence analysis, cybersecurity platforms, and even a NATO-wide terminology management system. With a dedicated defence & Space division and deep R&D capabilities, TTMS has demonstrated the ability to develop mission-critical software to NATO standards and support innovation initiatives like the NATO Innovation Hub. The company also leverages synergies with the space sector (working on European Space Agency programs), applying the same rigor and precision required for military-grade IT solutions.

2. Asseco Poland

Asseco Poland is the largest Polish IT company and a veteran provider of technology solutions to defence and government institutions. With decades of experience, Asseco has delivered numerous projects for the Polish Ministry of National defence and even NATO agencies. (For example, Asseco was involved in developing NATO’s Computer Incident Response Capability and has supplied military UAV systems like the Mayfly drones to the Polish Armed Forces.) Asseco’s broad portfolio for defence includes command & control software, battlefield management systems, simulators and training systems, as well as cybersecurity and IT infrastructure for the armed forces. As a trusted contractor, Asseco possesses the necessary licenses and likely holds required security clearances to handle sensitive information in military projects. Its global reach and 30-year track record make it a cornerstone of IT support for Poland’s defence modernization programs.

3. WB Group

WB Group is one of Europe’s largest private defence contractors, based in Poland and known for its advanced electronics and military systems. While not purely a software house, WB Group’s offerings rely heavily on IT and it has a strong focus on network-centric and digital solutions for the battlefield. Through its various subsidiaries (such as WB Electronics, MindMade, Flytronic, and others), the group develops and produces military communication systems, command and control (C2) software, fire control systems, unmanned aerial vehicles (UAVs), and even loitering munitions. WB Group’s communications and IT solutions, like the FONET digital communication system, have been adopted by NATO allies and are designed to meet strict military standards. The company is a certified supplier to NATO and plays a crucial role in Poland’s armed forces modernization. Many of its projects involve handling classified information, so WB Group maintains appropriate facility clearances and secure development processes. With a global footprint and cutting-edge R&D, WB Group demonstrates how Polish technological expertise contributes directly to defence capabilities.

4. Spyrosoft

Spyrosoft is a fast-growing Polish IT company that has begun extending its services into the defence and aerospace arena. Known primarily as a provider of bespoke software development and product engineering, Spyrosoft has a broad range of competencies that can be applied to defence projects. These include embedded systems development, AI and data analysis, software testing/QA, and cybersecurity services. Spyrosoft’s strong talent pool (over 1,500 employees) and its experience with industries like automotive, robotics, and aerospace give it a solid foundation to tackle defence-related challenges. While not historically a defence contractor, the company has signaled interest in dual-use technologies and partnerships in Poland’s booming defence tech sector. Spyrosoft’s inclusion in this list reflects its potential and capability to deliver high-quality IT solutions under strict security and reliability requirements. As Poland increases defence spending and seeks innovative software solutions (for simulation, autonomous systems, etc.), companies like Spyrosoft are well-positioned to contribute.

5. Siltec

Siltec is a Polish company with over 40 years of history providing advanced ICT and electronic solutions to the military and security services. Specializing in high-security and ruggedized equipment, Siltec is one of the few suppliers accredited by NATO and the EU for handling classified info. The company is well known for its TEMPEST-certified hardware (secure computers, network devices, and communication equipment that meet stringent emission security standards). Siltec also delivers secure radio and telecommunications systems, mobile data centers, and power supply solutions for deployable military infrastructure. Headquartered in Pruszków, Siltec has earned the trust of Polish Armed Forces, NATO agencies, and other uniformed services by consistently providing reliable technology. The firm’s staff includes experts with the necessary clearances to work on classified projects, and Siltec’s long experience makes it a key player in Poland’s cyber defence and communications modernization efforts.

6. KenBIT

KenBIT is a Polish IT and communications company founded by graduates of the Military University of Technology, focused on delivering specialized solutions for the armed forces. KenBIT has built a strong reputation in the area of military communications and networking. Its expertise covers the integration of radio and satellite communication systems, design of command center infrastructure, and development of proprietary software for secure data exchange. KenBIT’s engineers have long-standing experience creating battlefield management systems (BMS) and secure information systems for the Polish Army. Importantly, a large portion of KenBIT’s staff hold Secret and NATO Secret clearances, enabling the company to work with classified military information and cryptographic equipment. KenBIT has provided hardware and software that meet NATO standards, and it has participated in defence tenders (such as offering its own BMS solution for armored vehicles). With its niche focus and technical know-how, KenBIT serves as a trusted integrator of communication, IT, and cryptographic systems for Poland’s defence sector.

7. Enigma Systemy Ochrony Informacji

Enigma Systemy Ochrony Informacji (Enigma SOI) is a Warsaw-based company that for over 25 years has specialized in information security solutions, with significant contributions to Poland’s defence and intelligence infrastructure. Enigma develops and manufactures a range of cryptographic devices, secure communication systems, and data protection software for government and military use. The company’s products and services ensure that classified information is stored, transmitted, and processed with the highest security standards (often certified by national security agencies). Enigma SOI has provided cryptographic solutions to the NATO Communications and Information Agency (NCIA) and equips Polish public administration and armed forces with certified encryption tools. Their expertise spans Public Key Infrastructure (PKI), secure mobile communications, network security systems, and bespoke software for protecting sensitive data. As a holder of industrial security clearances, Enigma SOI is trusted to work on projects up to at least NATO Secret level. The firm’s long-standing focus on cryptography and cybersecurity makes it a key enabler of secure digital transformation within Poland’s defence sector.

8. Vector Synergy

Vector Synergy is a unique Polish IT company that operates at the intersection of cybersecurity, consulting, and defence services. Founded in 2010, Vector Synergy has become a NATO-certified technology partner known for supplying highly skilled, security-cleared IT professionals to sensitive projects. The company’s core mission is to bridge advanced IT capabilities with the stringent demands of sectors like defence. Vector Synergy provides services including secure software development, cyber defence operations, and IT architecture & integration for military and law enforcement clients. It also runs a proprietary cyber training platform (CDeX – Cyber defence Exercise platform) which offers realistic cyber-range exercises for NATO and EU agencies. What sets Vector Synergy apart is its network of experts holding personal security clearances (Secret and Top Secret) across Europe and the US, enabling it to staff projects that require trust and confidentiality. The company has executed projects with NATO’s NCIA, Europol, and other international institutions. By combining IT talent sourcing with hands-on cyber solutions, Vector Synergy plays a critical support role in strengthening cyber resilience and IT capabilities for defence organizations.

9. Nomios Poland

Nomios Poland is a security-focused IT integrator that has made a name in handling classified projects for NATO, EU, and national clients. Part of the international Nomios Group, the Polish branch distinguishes itself by obtaining comprehensive Facility Security Clearance certificates up to NATO Secret, EU Secret, and ESA Secret levels. This means Nomios Poland is officially authorized to manage projects involving highly classified information, which is a rare achievement in the IT services industry. The company’s expertise lies in network security, cybersecurity solutions, and 24/7 managed security operations (SOC/NOC) services. Nomios Poland provides and integrates next-generation firewalls, secure networks, encryption systems, and other IT infrastructure tailored for government and defence customers that require the highest level of trust. By maintaining an all-Polish staff with thorough background checks and a dedicated internal security division, Nomios ensures strict compliance with information protection standards. defence organizations in Poland have partnered with Nomios for projects such as secure data center deployments and cyber defence enhancements. For any military or aerospace entity that needs a reliable IT partner capable of operating under secrecy constraints, Nomios Poland is a top contender.

10. Exence S.A.

Exence S.A. is a Polish IT services provider that has carved out a strong niche in defence through specialization in NATO-oriented solutions. Despite its modest size, Exence has been involved in high-profile NATO programs, collaborating with major global defence players. The company has a deep understanding of NATO standards and architectures – for instance, Exence has worked on the Alliance Ground Surveillance (AGS) program, delivering systems for health and security monitoring of UAV ground control infrastructure. It was also part of the ASPAARO consortium (with giants like Airbus and Northrop Grumman) bidding on NATO’s AFSC initiative, highlighting its credibility. Exence’s areas of expertise include military logistics software (supporting NATO logistics systems like LOGFAS), NATO interoperability frameworks, intelligence, surveillance, and reconnaissance (ISR) systems integration, and technical consulting on standards such as S1000D (technical publications) and S3000L (logistics support). The company is certified to develop solutions up to NATO Restricted level and holds quality accreditations like AQAP 2110. Exence’s success demonstrates that smaller Polish firms can effectively contribute to complex multinational defence projects by offering specialized knowledge and agility.

Partner with Poland’s defence IT Leaders for Your Next Project

Poland’s defence IT ecosystem is robust, innovative, and ready to tackle the most demanding projects. The companies highlighted above illustrate a range of capabilities – from secure communications and cryptography to full-scale software development and systems integration – all with the necessary credentials to serve the defence and aerospace sectors. If your organization is looking for a reliable technology partner in the defence or space domain, consider Transition Technologies Managed Services (TTMS). As a proven leader with NATO-grade clearances and a portfolio of successful military and space projects, TTMS stands ready to deliver end-to-end solutions that meet the highest standards of security and quality. Contact TTMS today to discuss how our defence-focused IT services can support your mission and propel your projects to success.