Top Cybersecurity Companies in Eastern Europe 2026 Rankings & 8,070 Client Reviews for 19 Service Providers

We have a list of 19 cybersecurity companies in Eastern Europe. This list contains matching case studies and references, 8,070 customer reviews, hourly rates, team size and much more. Use the appropriate filter options to find the best Cybersecurity Company for your business requirements.

  • Custom software development company Andersen is an international custom software development company with a strong focus on technology-intensive industries. Since its foundation in 2007, the company has opened more than 16 development centers and 16 sales offices around the world. More than 3700 highly skilled specialists work on the development, customization and integration of enterprise IT solutions, web and mobile application... Read More

    1,001-5,000
    > €10,000
    €25 - €49
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List of the Best Cyber Security Companies in Eastern Europe

  • 5% Cyber Security

    1,001-5,000
    > €10,000
    €25 - €49
    Cologne, Germany + 9
    Custom software development company Andersen is an international custom software development company with a strong focus on technology-intensive industries. Since its foundation in 2007, the company has opened more than 16 development centers and 16 sales offices around the world. More than 3700 highly skilled specialists work on t... Read More
    Website
  • 20% Cyber Security

    51-200
    > €25,000
    €50 - €74
    Sofia, Bulgaria
    Your Trusted AI-Driven DevOps and Managed Services Provider Looking for Cloud, Automation, andAI-driven Devops solutions? At ITGix, we’re your trusted Devops and Managed Services provider, dedicated to powering your digital transformation journey with cutting-edge technology and innovation.ISO27001 Certified: Rest assured, our services meet the highest st... Read More
    Website
  • 5% Cyber Security

    201-500
    > €5,000
    €50 - €74
    Sofia, Bulgaria
    Exceeding expectations. Accedia is an EU-based IT company headquartered in Sofia, Bulgaria, specializing in technology consulting and software development. Founded in 2012, the company has since gained recognition for its rapid expansion and service excellence by the International Association of Outsourcing Professional... Read More
    Website
  • 100% Cyber Security

    Attack Detection & Response Cyber Attack Simulation Network Security Penetration Tests Cybersecurity Device Management
    11-50
    Rzeszów, Poland
    Iterasec, your pragmatic cybersecurity partner Founded in 2019, Iterasec is a cybersecurity service company providing penetration testing, security audits, application and cloud security, DevSecOps and security compliance services for tech and software engineering companies. With a team of 20 cybersecurity specialists, we are laser-focus... Read More
    Website
  • 100% Cyber Security

    2-10
    > €1,000
    Vilnius, Lithuania
    Stop breaches | Cyber Security Services We specialize in comprehensive penetration testing for web applications, mobile apps, and provide essential cybersecurity training for employees. ENNEID.COMOur services are designed to protect business from data leaks and ensure robust defense against evolving cyber threats. Penetration test... Read More
    Website
  • 20% Cyber Security

    Attack Detection & Response Cyber Attack Simulation Penetration Tests
    11-50
    > €10,000
    €25 - €49
    Tallinn, Estonia
    Your ideas our experts​ CodeGeeks Solutions is a world-class software development company led by seasoned professionals with more than 10 years of industry experience. 🚀 We specialize in helping our clients capture markets, grow businesses, and deliver quality services. Customer success is our first priority! 💪 Our va... Read More
    Website
  • 5% Cyber Security

    201-500
    > €25,000
    €25 - €49
    Kyiv, Ukraine + 2
    Enhancing Business Growth Through Tech Solutions Geniusee is an AWS-recognised custom software development company that delivers tech solutions for huge market players like Dell and Blumberg and midsize businesses and startups. We are a certified AWS Consulting and Advanced Tier Service Partner with AWS Lambda Service Delivery Designation and... Read More
    Website
  • 25% Cyber Security

    Attack Detection & Response Network Security Penetration Tests Cybersecurity Device Management
    11-50
    > €1,000
    €75 - €99
    Sofia, Bulgaria
    Your trusted IT solutions partner! Nebosystems is an IT solutions company founded in 2011. We specialize in building and maintaining both physical and virtual (private and public clouds) IT infrastructure. We provide services in the field of cybersecurity, DevOps, IT audit, server colocation, automation of activities related to sy... Read More
    Website
  • We will find the ideal provider for you! Receive top offers individually selected for you free of charge.
    • 1. Fill in the form. Let us know your requirements and the recipient of the offers.
    • 2. Receive offers. Receive 3-5 top offers, individually selected for you.
    • 3. Non-binding & free. You decide whether and with whom you start the project.

    Sarah Volkmann - talnt.de GmbH
    Sarah Volkmann | talnt.de GmbH
    "We received top offers from service providers that matched our budget quickly and easily!"
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  • 10% Cyber Security

    Attack Detection & Response Cyber Attack Simulation Network Security Penetration Tests
    201-500
    > €5,000
    €25 - €49
    Rzeszów, Poland
    Creating Digital Success Together Edvantis is a global software engineering company with over 400 talented professionals operating in Central & Eastern Europe and the USA. We have earned the trust of top-tier companies like Indeed, BigCommerce, Kardex Remstar, Unicepta, TrustRadius, and Modulsystem. By partnering wi... Read More
    Website
  • 10% Cyber Security

    2-10
    > €1,000
    €25 - €49
    Tiranë, Albania
    CyberNet is a professional IT support and security services CyberNet is a professional IT support and services provider delivering secure, reliable, and fully managed remote IT solutions to businesses worldwide. Founded on 5 March 2020 and headquartered in Tirana County, Albania, CyberNet was established with a clear mission: to provide enterprise-level I... Read More
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  • 5% Cyber Security

    51-200
    €25 - €49
    Telyazh, Estonia
    The Engineering Force Behind Your Success 8allocate is a software development company founded in 2015 that provides top-notch engineering teams to power digital transformations in Fintech, Edtech, Logistics, E-commerce, and other industries. The company's mission is to help businesses bring their digital ideas to life by connecting... Read More
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  • 15% Cyber Security

    Penetration Tests
    51-200
    €50 - €74
    Craiova, Romania + 1
    Boost your in-house development Experience innovation without friction through a dependable team that truly knows your world. With 25+ years in the field, we’ve learned that delivery success in software engineering comes from more than solid code—it requires a real grasp of your sector, paired with the right technical capabilit... Read More
    Website
  • Do you need help finding your service provider?
    Elisa Mützel | Client Success Manager
    Elisa Mützel | Client Success Manager [email protected] +49 (0) 2131 9393 757
  • 35% Cyber Security

    2-10
    > €10,000
    < €25
    Vilnius, Lithuania + 1
    Securing Your Digital Horizon Thalnor Group was established in Lithuania and the Netherlands. As a forward-thinking cybersecurity organization, we focus on shielding today’s digital environment. Our specialists—once notorious blackhat hackers—have redirected their skills toward ethical work, combining unmatched know-how to ke... Read More
    Website
  • 15% Cyber Security

    Attack Detection & Response Network Security Penetration Tests
    51-200
    > €50,000
    €50 - €74
    Belgrade, Serbia + 3
    Unlocking the Future of Digital Service Delivery At BrightMarbles Group, we’re driven by engineering know-how at the highest level. With more than 160 specialists distributed across five key locations worldwide, we apply deep, proven experience to every engagement—typically averaging over seven years of expertise per team member. Our goal is st... Read More
    Website
  • 20% Cyber Security

    Digital Forensics Attack Detection & Response
    2-10
    €50 - €74
    Novi Sad, Serbia + 1
    Challenging The Ordinary. High-Quality Software, Unrivaled Security—Delivered. We’re a full-service software and cybersecurity team that supports every step of building a digital product, from planning through deployment. It may be a bit of a simplified tagline, but it’s easier to take in than an endless catalog of creden... Read More
    Website
  • 60% Cyber Security

    2-10
    > €10,000
    < €25
    Rotterdam, Netherlands + 3
    One Provider For All Your InfoSec Needs Q-Sec enables organizations to manage dependable security operations without the burden of building an in-house team from scratch. We address common challenges—limited security visibility, sluggish incident handling, and hurdles in meeting compliance obligations—by providing a 24/7 SOC as a Servi... Read More
    Website
  • 10% Cyber Security

    11-50
    > €25,000
    €100 - €149
    Eindhoven, Netherlands + 1
    Design engineering production - embedded products MpicoSys wurde 2006 gegründet und entwickelt, produziert sowie vertreibt Embedded-Lösungen. Dank der Leidenschaft des Unternehmens für zuverlässige und skalierbare Embedded-Technologie entstehen daraus das EPIS, das weltweit erste Echtzeit‑E-Paper‑System für Fahrgastinformation, sowie weitere P... Read More
    Website
  • 20% Cyber Security

    Digital Forensics Attack Detection & Response Network Security Penetration Tests
    5,001-10,000
    > €10,000
    €100 - €149
    Courbevoie, France + 10
    From Expertise to Impact, The emagine Way More than a mere supplier, we act as a dependable partner—working with clients to tackle their toughest obstacles. By pairing experienced specialists on our team with a worldwide network of carefully screened consultants, and using an insight-led delivery approach, we design effective solutions a... Read More
    Website
  • 25% Cyber Security

    Network Security Penetration Tests
    51-200
    > €1,000
    < €25
    Vilnius, Lithuania + 1
    Electronics design, PCB design, Embedded Software Sintecs helps its customers bring sophisticated electronic products to market sooner. In the last two decades, the company’s reliable expansion has been driven by a highly skilled engineering team. Services include work across the full lifecycle of electronics: signal and power integrity assessme... Read More
    Website

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