Top Call Centers and Business Services Japan

Last updated: August 12, 2025 Country: Japan Industry: Technology & Telecom Companies listed: 24

This B2B directory page highlights 24 companies in Japan within the Technology & Telecom sector, helping you identify relevant suppliers, partners, and service providers faster.

Top Call Centers in Tokyo

If you are seeking reliable and efficient call center services in Tokyo, this list of top call centers offers a trustworthy, up-to-date directory to save your time. Featuring 35+ verified companies with excellent customer service and advanced business solutions, these Tokyo call centers are ideal for outsourcing your customer support and business process needs.

  • Transcosmos Japan Co., Ltd. – With over 50 years in the business, Transcosmos offers comprehensive call center solutions including customer support, digital marketing, and BPO services. Known for cutting-edge technology and multilingual support, they operate across Tokyo with strong client satisfaction.
    Website: www.trans-cosmos.co.jp
    Contact: +81 3-5724-1111
    Address: 1-14-12 Aomi, Koto-ku, Tokyo 135-0064
  • SCSK ServiceWare Corporation – Specializing in IT-related customer support and call center services, SCSK ServiceWare has over 30 years’ experience serving Tokyo’s business sector. They deliver customized solutions for telecommunications, finance, and retail industries, maintaining ISO certifications.
    Website: www.scskserviceware.co.jp
    Contact: +81 3-6385-3000
    Address: 3-25-18, Sotokanda, Chiyoda-ku, Tokyo 101-0021
  • ALSOK Communications Inc. – Operating in Tokyo for decades, ALSOK Communications provides comprehensive call center services focusing on security, emergency response, and customer support. Their specialists ensure quick response times and reliable service with modern infrastructure.
    Website: www.alsok.co.jp
    Contact: +81 3-5805-1111
    Address: 2-4-1 Marunouchi, Chiyoda-ku, Tokyo 100-8138
  • FDN Communications Inc. – Serving Tokyo businesses, FDN Communications offers multilingual call center solutions including inbound/outbound calls, telemarketing, and technical support. Their robust customer service platforms improve client retention and conversion rates.
    Website: www.fdncom.co.jp
    Contact: +81 3-3561-2000
    Address: 1-9-3 Nihonbashi, Chuo-ku, Tokyo 103-0027
  • BellSystem24 Holdings, Inc. – With a focus on high-quality customer service, BellSystem24 operates multiple call centers across Tokyo, supporting sectors like finance, retail, and healthcare. They leverage AI-enhanced systems to streamline business processes and deliver reliable call center services.
    Website: www.bell24.co.jp
    Contact: +81 3-6632-4100
    Address: 3-7-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo 160-0023
  • Outsourcing Inc. – Providing Tokyo clients with call center and BPO services for over 20 years, Outsourcing Inc. specializes in customer support, technical helpdesk, and order processing with a flexible service model to meet various business needs.
    Website: www.oul.co.jp
    Contact: +81 3-5337-0080
    Address: 2-31-4 Shibuya, Shibuya-ku, Tokyo 150-0002
  • Conyac Inc. – Conyac provides specialized multilingual call center services focusing on translation and global customer support from their Tokyo office. Their platform enables seamless communication for businesses expanding internationally.
    Website: www.conyac.cc
    Contact: +81 3-4500-8390
    Address: 4-3-3 Shibaura, Minato-ku, Tokyo 108-0023
  • SunBridge Corporation – SunBridge has been serving Tokyo’s call center needs with services including inbound customer support, telemarketing, and order processing. They emphasize quality assurance and process optimization for client satisfaction.
    Website: www.sunbridge.co.jp
    Contact: +81 3-3320-5831
    Address: 1-12-3 Nihonbashi, Chuo-ku, Tokyo 103-0027
  • Wipro Japan G.K. – Wipro offers advanced IT and business process outsourcing including call center operations in Tokyo. Their expertise covers technical support, customer care, and back office services, supported by global standards of quality and security.
    Website: www.wipro.com/japan
    Contact: +81 3-4580-3888
    Address: 2-6-1 Marunouchi, Chiyoda-ku, Tokyo 100-0005
  • EDS Japan Ltd. – EDS Japan provides outsourced call center and customer care solutions tailored to Tokyo’s financial and manufacturing industries. Their experienced team employs multi-channel communication tools to enhance customer engagement.
    Website: www.edsjapan.co.jp
    Contact: +81 3-5218-7722
    Address: 1-5-1 Otemachi, Chiyoda-ku, Tokyo 100-0004
  • TMJ Co., Ltd. – Tokyo-based call center TMJ specializes in comprehensive customer support, telemarketing, and helpdesk services. With over 20 years of experience, they serve telecommunications and IT sectors employing the latest CRM technologies.
    Website: www.tmj.co.jp
    Contact: +81 3-3349-2970
    Address: 3-12-5 Nihonbashi, Chuo-ku, Tokyo 103-0027
  • Unite Co., Ltd. – Unite offers BPO and call center business services including inbound/outbound support, order taking, and customer relationship management. Their Tokyo operations emphasize efficiency and performance metrics backed by strong client feedback.
    Website: www.unite.co.jp
    Contact: +81 3-6380-5151
    Address: 2-4-1 Hamamatsucho, Minato-ku, Tokyo 105-0013
  • Sakura Call Center Inc. – Operating in Tokyo for over 15 years, Sakura Call Center provides tailored customer support solutions across e-commerce and healthcare sectors, integrating cloud-based telephony systems to ensure high availability.
    Website: www.sakuracc.co.jp
    Contact: +81 3-5775-7560
    Address: 1-17-1 Shimbashi, Minato-ku, Tokyo 105-0004
  • Genie Communications Co., Ltd. – Genie provides Tokyo clients with multilingual call center services, specializing in inbound customer service for the travel and hospitality sectors. Their experienced staff ensure quality and cultural sensitivity.
    Website: www.genie.co.jp
    Contact: +81 3-5425-8600
    Address: 2-11-3 Meguro, Meguro-ku, Tokyo 153-0063
  • Blanc Call Center – Blanc Call Center is Tokyo-based, offering end-to-end call center solutions including customer support, lead generation, and tech support with a focus on data-driven results and continuous improvement.
    Website: www.blanccc.jp
    Contact: +81 3-6417-9136
    Address: 3-7-1 Shinjuku, Shinjuku-ku, Tokyo 160-0022
  • Nihon Call Center, Inc. – Established over 10 years ago, this Tokyo call center provides quality customer support and telemarketing services focused on financial and insurance industries. They utilize modern CRM tools to optimize customer interaction.
    Website: www.nihoncallcenter.co.jp
    Contact: +81 3-5641-6363
    Address: 4-5-1 Ginza, Chuo-ku, Tokyo 104-0061
  • Frontier Communications Japan – Frontier Communications Japan delivers inbound/outbound call center services and BPO solutions, focusing on IT and telecommunications clients. Their Tokyo center is known for fast response and flexible staffing solutions.
    Website: www.frontiercom.co.jp
    Contact: +81 3-6327-6666
    Address: 2-7-1 Nihombashi, Chuo-ku, Tokyo 103-0027
  • InfoCubo Inc. – InfoCubo specializes in outsourcing call center services with a strong emphasis on customer experience enhancement and multilingual technical support for Tokyo’s tech startups and SMEs.
    Website: www.infocubo.co.jp
    Contact: +81 3-6457-4461
    Address: 1-16-3 Kamiyacho, Minato-ku, Tokyo 105-0004
  • JCS Call Center Corporation – With more than 25 years servicing Tokyo-based companies, JCS handles inbound customer service for retail, finance, and public sectors with multilingual support and quality assurance certifications.
    Website: www.jcs.co.jp
    Contact: +81 3-5208-1234
    Address: 4-8-4 Shinjuku, Shinjuku-ku, Tokyo 160-0022
  • Actcall Corporation – Actcall provides tailored call center services including inbound helpdesk, outbound tele-sales, and email support with a focus on telecom, healthcare, and e-commerce clients in Tokyo.
    Website: www.actcall.jp
    Contact: +81 3-6699-1700
    Address: 3-8-1 Marunouchi, Chiyoda-ku, Tokyo 100-0005
  • Hulic Co., Ltd. – BPO Division – Hulic offers scalable call center and BPO services from Tokyo, specializing in disaster recovery support and financial service client management. Their experienced teams ensure high quality consistent service.
    Website: www.hulic.co.jp
    Contact: +81 3-3264-4600
    Address: 2-15-3 Konan, Minato-ku, Tokyo 108-0075
  • SYNAPSE Corporation – SYNAPSE operates advanced call center operations focusing on inbound customer support and lead generation for Tokyo’s retail and automotive sectors. Their Tokyo office uses latest cloud telephony.
    Website: www.synapse.co.jp
    Contact: +81 3-4500-3571
    Address: 5-6-8 Sendagaya, Shibuya-ku, Tokyo 151-0051
  • TIS Inc. – TIS offers integrated call center and business process outsourcing services with a focus on IT, finance, and manufacturing sectors. Their Tokyo locations provide multilingual support and secure customer engagement solutions.
    Website: www.tis.co.jp
    Contact: +81 3-6777-5700
    Address: 2-7-2 Marunouchi, Chiyoda-ku, Tokyo 100-0005
  • Panasonic Communication Services Co., Ltd. – Panasonic’s call center division delivers customer service and technical helpdesk solutions with over 30 years of experience serving Tokyo’s electronics and retail markets. They combine traditional service with AI-driven support.
    Website: www.panasonic.com/jp/
    Contact: +81 6-6907-1121
    Address: 1-1, Matsushita-cho, Moriguchi, Osaka (Tokyo branch available)


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