Bilişim AŞ Competitors

Turkcell is a converged telecommunication and technology services provider, founded and headquartered in Türkiye. It serves its customers with voice, data, TV and value-added consumer and enterprise services on mobile and fixed networks.

Sophos, a global cybersecurity leader, defends more than 625,000 organizations worldwide with Sophos Fusion, the industry's first and most complete AI-native cybersecurity defense system: a single, connected architecture where every control point operates as one. Powered by agentic AI and elite human expertise, Sophos detects, investigates, and neutralizes threats before they become business-disrupting events. Working alongside a global ecosystem of managed service providers, resellers, and technology partners, Sophos compounds intelligence from every threat encountered and every environment defended to make every customer's defense stronger than the last. More information is available at www.sophos.com.

Founded in 1986, Karel stands as Türkiye’s one of the leading technology companies, boasting over 4,500 employees overseeing processes from design to production. In 2006, Karel went public, marking a significant milestone. In 2022, it transitioned into a subsidiary of Doğan Holding, further strengthening its position in the industry. Karel excels in 6 diverse technology areas: Defense Industry, Communication Systems, Corporate Projects, Automotive Technologies, Electronic Production and Emerging Technologies. In the Telecom industry, Karel pioneers domestic and international markets with solutions like PBX systems, call centers, video conference solutions, cloud applications, operator services such as voice/data/SMS and various desktop/mobile end-points. Addressing defense industry needs, Karel offers a wide range of information and communication technology products and solutions. Our technologies extend beyond borders, utilized not only by the Turkish army but also by foreign friendly armies. In corporate projects, we provide comprehensive services, including system integration, equipment supplies, pre-sales and maintenance services to fixed/mobile operators and public institutions. Our Automotive Electronics unit, a rapidly growing segment, engages in design, production, and business development activities. With one of Türkiye's largest electronics manufacturing centers, Karel's EMS business designs and produces electronic boards for global brands in consumer electronics and defense industries. Its modern production facilities with high technology adhere to world standards. Karel spearheads R&D in cutting-edge technology areas such as AI, IoT, automation technologies, additive manufacturing and also 5G, especially in core network software and solutions development. Our robust R&D center, housing over 200 experienced professionals, drives innovation.