# Top Call Center Services & Voice Services in Japan Recommended Call Centers companies in Japan include TDCX, Next Level Japan, TMJ, Inc., Manies Group Co., Ltd., tele-net corp., AGREX, inSure, Indo-Sakura Software Pvt Ltd, IPS, Verticurl. We verify reviews and evaluate companies so you can choose with confidence. We may earn a fee for some placements. [Learn how Clutch ensures trust](#why-trust-clutch) ## List of the Best Top Call Center Services & Voice Services in Japan Ratings Updated: Sep 15, 2026 ### [TDCX](https://clutch.co/profile/tdcx) #### 4.8 out of 5 star rating (12 reviews) - $100,000+ minimum project size - 10,000+ employees - Yokohama, Japan #### Services Provided - Allocation of Expertise by Percentage - 10% Call Center Services - 10% Content Moderation Services - 50% Customer Service Outsourcing - 10% Business Consulting - 20% Sales Outsourcing #### Company description TDCX is a distinguished provider of Contact Center Services, excelling in Customer Support Services and managing both Inbound and Outbound Call Centers. With a 95% satisfaction rate, clients commend TDCX for their scalable solutions, proactive approach, and exceptional customer care capabilities. Over 80% of reviewers highlight their effective project management and seamless integration into existing operations. [Visit Website](https://www.tdcx.com/?utm_source=clutch&utm_medium=referral&utm_campaign=GLOBAL_B2B_ClutchProfile) #### 6 reviews mention Call Center Services Customer Deployment for Consumer Products Company 5.0/5 — TDCX supports customer experience deployment services for a consumer products company. They are also tasked with maintaining their own unique internal culture. - 6 of 6 Call Center Services reviews are 5 stars - $1,000,000 – $9,999,999 avg. project cost [Read Full Review](https://clutch.co/go-to-review/tdcx/164043) #### 4.7 out of 5.0 rating for cost What Clients Have Said Clients have expressed a generally positive sentiment regarding TDCX's cost and value for money. Feedback highlights their ability to deliver high-quality services while maintaining competitive pricing, as noted by a vendor manager who emphasized TDCX's best value in terms of cost and quality. However, some clients suggested that pricing could be more competitive. Overall, TDCX is regarded as a reliable partner that provides significant value, often exceeding expectations in service delivery. [Read All Reviews](https://clutch.co/profile/tdcx?verified=true#reviews) - $1,000,000 to $9,999,999 (2 reviews) - $200,000 to $999,999 (1 reviews) - $10,000,000 + (1 reviews) #### Completed projects in 4 countries - Germany (1 projects) - Singapore (7 projects) - Spain (1 projects) - United States (1 projects) This provider is available in 32 time zones: - Near East Time (NET) - Middle East Time (MET) - China Taiwan Time (CTT) - Brazil Eastern Time (BET) - Greenwich Mean Time (GMT) - India Standard Time (IST) - Japan Standard Time (JST) - Midway Islands Time (MIT) - Central African Time (CAT) - Eastern African Time (EAT) - Hawaii Standard Time (HST) - Pakistan Lahore Time (PLT) - Alaska Standard Time (AKST) - Central European Time (CET) - Central Standard Time (CST) - Eastern European Time (EET) - Eastern Standard Time (EST) - Pacific Standard Time (PST) - Phoenix Standard Time (PNT) - Solomon Standard Time (SST) - Vietnam Standard Time (VST) - Australia Central Time (ACT) - Australia Eastern Time (AET) - Mountain Standard Time (MST) - Argentina Standard Time (AGT) - Bangladesh Standard Time (BST) - Canada Newfoundland Time (CNT) - New Zealand Standard Time (NST) - Universal Coordinated Time (UTC) - (Arabic) Egypt Standard Time (ART) - Indiana Eastern Standard Time (IET) - Puerto Rico and US Virgin Islands Time (PRT) [View Reviews](https://clutch.co/profile/tdcx?verified=true#reviews) #### 5% of employees work in Yokohama office Yokohama, Japan 1-7 Kinko-cho, Kanagawa-ku, Yokohama city, Kanagawa, Japan, 24th Floor DIA Building 501 - 750 employees 815017459596 [See All Locations (18)](https://clutch.co/profile/tdcx#location) --- ### [Next Level Japan](https://clutch.co/profile/next-level-japan) #### 5 out of 5 star rating (2 reviews) - $1,000+ minimum project size - $100 - $149 average hourly rate - 10 - 49 employees - Minato City, Japan #### Services Provided - Allocation of Expertise by Percentage - 25% Advertising - 10% Content Marketing - 20% Conversion Optimization - 10% Digital Strategy - 10% Sales Outsourcing - 25% Social Media Marketing #### Company description Next Level Japan is a digital marketing company specializing in social media management and brand development. They have received overwhelmingly positive feedback, with 100% of reviewers highlighting their strong alignment with client goals and exceptional project management. Clients commend their strategic partnership approach, citing impressive outcomes such as increased engagement and brand recognition. [Visit Website](https://nextlevel.global/) #### Collaborative The feedback regarding collaboration with Next Level Japan is overwhelmingly positive. Clients highlighted their excellent project management, timely delivery, and proactive communication. One client noted the team's flexibility in adapting to evolving needs and described the relationship as collaborative and efficient. Furthermore, the ability to combine creative vision with data-driven execution was commended, reinforcing the sentiment that working with Next Level Japan felt more like a partnership than a service engagement. #### Experience in 2 industries Next Level Japan excels in eCommerce and consumer products, offering comprehensive branding and marketing solutions. In the eCommerce sector, they effectively rebuilt brands, enhanced visibility, and optimized advertising strategies, achieving strong engagement and sales growth. In consumer products, they successfully operated social media channels, driving follower growth and revenue. Clients appreciate their proactive communication and data-driven approach, making them a strategic partner in establishing impactful market presence across these industries. [Read All Reviews](https://clutch.co/profile/next-level-japan?verified=true#reviews) ##### eCommerce Experience Next Level Japan has demonstrated strong expertise in the eCommerce sector, particularly in launching and scaling brands on platforms like Amazon Japan. Clients commend their end-to-end support, including marketing strategy development, brand rebuilding, and campaign management. The positive feedback highlights their data-driven approach, exceptional project management, and adaptability, which foster long-term growth and brand recognition. Their alignment with client values and proactive communication further enhances their reputation as a strategic partner in the eCommerce industry. - 1 review for ecommerce industry - 1 review is 5 stars - Unknown avg. project cost - Branding & Digital Mktg for Sustainable Products Company (5.0/5, Apr 14, 2025): Next Level Japan has refreshed a sustainable products firm's brand. They also lead the client's digital marketing efforts, including ad setup, store creation, Amazon listing optimization, and content creation. [Read Full Review](https://clutch.co/go-to-review/next-level-japan/366937) ##### Consumer Products Experience Next Level Japan demonstrates significant expertise in the Consumer Products industry, effectively enhancing social media presence for clients. A key client from Carl Zeiss Co., Ltd. highlighted their strengths in managing Instagram and LINE channels, resulting in increased engagement, follower growth, and revenue generation. They are praised for their alignment with client goals and efficient project management, maintaining timely deliverables and effective communication. Overall, their proficiency in driving social media success positions them as a strong partner for businesses in the Consumer Products sector. - 1 review for consumer products industry - 1 review is 5 stars - $200,000 – $999,999 avg. project cost - Social Media Marketing for Optoelectronics Company (5.0/5, Sep 19, 2025): Next Level Japan provides social media marketing services for an optoelectronics company. The team manages the client's Instagram and LINE accounts, focusing on organic and paid media traffic generation. [Read Full Review](https://clutch.co/go-to-review/next-level-japan/407180) #### 4.5 out of 5.0 rating for cost What Clients Have Said Clients consistently highlight Next Level Japan's exceptional value for money, citing their effective project management and strategic insights. For instance, one client noted the company's ability to deliver tasks on time while adapting to evolving needs, reinforcing a strong return on ad spend. Another client appreciated the alignment of company values and the overall collaboration, indicating that the partnership felt more like a strategic alliance than a mere service arrangement. Overall, the sentiment reflects satisfaction with pricing relative to the quality of service provided. [Read All Reviews](https://clutch.co/profile/next-level-japan?verified=true#reviews) - $200,000 to $999,999 (1 reviews) --- ### [TMJ, Inc.](https://clutch.co/profile/tmj) - $1,000+ minimum project size - < $25 average hourly rate - 10,000+ employees - Shinjuku City, Japan #### Services Provided - Allocation of Expertise by Percentage - 35% Call Center Services - 35% Business Consulting - 30% Staffing #### Company description TMJ, Inc. Is a Business Consulting company. Founded in 1992, their team specializes in Business Consulting and Call Center Services. [Visit Website](http://www.tmj.jp/) --- ### [Manies Group Co., Ltd.](https://clutch.co/profile/manies-group-co) - $25,000+ minimum project size - 10 - 49 employees - Chiyoda City, Japan #### Services Provided - Allocation of Expertise by Percentage - 5% Market Research - 10% Product Marketing - 50% Sales Outsourcing - 10% Direct Marketing - 25% Translation #### Company description Manies Group Co., Ltd. Is a small Sales Outsourcing company in Chiyoda City, Japan. The team provides Sales Outsourcing and Translation. [Visit Website](https://manies-ai.com/en) --- ### [tele-net corp.](https://clutch.co/profile/tele-net-corp) - $1,000+ minimum project size - < $25 average hourly rate - 250 - 999 employees - Shinjuku City, Japan #### Services Provided - Allocation of Expertise by Percentage - 100% Call Center Services #### Company description Answering service company tele-net corp. Is based in Shinjuku City, Japan and Fukuoka, Japan. They provide Call Center Services. [Visit Website](http://www.tele-net-global.com) --- ### [AGREX](https://clutch.co/profile/agrex) - $1,000+ minimum project size - < $25 average hourly rate - 10 - 49 employees - Shinjuku City, Japan #### Services Provided - Allocation of Expertise by Percentage - 70% Call Center Services - 20% CRM Consulting and SI - 10% Print Design #### Company description AGREX is a call center launched in 1965. The team offers Call Center Services and CRM consulting and SI and is in Shinjuku City, Japan. [Visit Website](https://www.agrex.co.jp) --- ### [inSure](https://clutch.co/profile/insure) - $1,000+ minimum project size - < $25 average hourly rate - 50 - 249 employees - Bunkyo City, Japan #### Services Provided - Allocation of Expertise by Percentage - 70% Call Center Services - 30% Mobile App Development #### Company description InSure, a midsize telephone answering service, is located in Bunkyo City, Japan. The team provides Call Center Services and Mobile App Development. [Visit Website](http://www.insure.co.jp/english) --- ### [Indo-Sakura Software Pvt Ltd](https://clutch.co/profile/indo-sakura-software) - $50,000+ minimum project size - $200 - $300 average hourly rate - 50 - 249 employees - Koto City, Japan #### Services Provided - Allocation of Expertise by Percentage - 20% AI Consulting - 20% Blockchain - 20% Call Center Services - 20% Cybersecurity - 20% Application Testing #### Company description Cybersecurity company Indo-Sakura Software Pvt Ltd was established in 2006. The agency focuses on Cybersecurity and Blockchain. [Visit Website](https://www.indosakura.com/) #### 58% of employees work in Koto City office Koto City, Japan Japan, 〒135-0016 Tokyo, Koto City, Toyo, 3 Chome−5−5 ７階 76 - 100 employees +81 3-5633-7776 [See All Locations (2)](https://clutch.co/profile/indo-sakura-software#location) --- ### [IPS](https://clutch.co/profile/ips) - $1,000+ minimum project size - < $25 average hourly rate - 10 - 49 employees - Chuo City, Japan #### Services Provided - Allocation of Expertise by Percentage - 20% Broadcast Video - 50% Call Center Services - 30% HR Consulting #### Company description IPS is an answering service company established in 1991. The team offers Call Center Services and HR Consulting. [Visit Website](http://ipsism.co.jp/en/) --- ### [Verticurl](https://clutch.co/profile/verticurl) #### 4.5 out of 5 star rating (1 reviews) - $5,000+ minimum project size - $100 - $149 average hourly rate - 250 - 999 employees - Shibuya City, Japan #### Services Provided - Allocation of Expertise by Percentage - 20% Advertising - 20% BI & Big Data Consulting & SI - 20% Call Center Services - 20% Marketing Strategy - 20% Social Media Marketing #### Company description Verticurl offers services that include increasing productivity, redirecting resources, focusing on critical strategies, and reducing costs for businesses. The overall feedback from reviews highlights their impressive ability to improve customer engagement and reduce administrative expenses, making them a valuable partner for companies looking to streamline operations and enhance efficiency. [Visit Website](https://www.verticurl.co.jp/) --- ### [BYG Advantage](https://clutch.co/profile/byg-advantage) - $100,000+ minimum project size - $100 - $149 average hourly rate - 10 - 49 employees - Chiyoda City, Japan #### Services Provided - Allocation of Expertise by Percentage - 30% Marketing Strategy - 70% Sales Outsourcing #### Company description BYG Advantage is a Sales Outsourcing company located in New York, New York and Singapore, Singapore. The team offers Sales Outsourcing and Marketing Strategy. [Visit Website](https://www.bygadvantage.com/) #### 14% of employees work in Chiyoda City office Chiyoda City, Japan 20F Marunouchi Trust Tower, 1-8-3 Marunouchi Chiyoda-ku 2 - 5 employees +81 80-9667-8008 [See All Locations (8)](https://clutch.co/profile/byg-advantage#location) --- ### [I&D Inc.](https://clutch.co/profile/id-0) - 10 - 49 employees - Shibuya, Japan #### Services Provided - Allocation of Expertise by Percentage - 25% Back Office Outsourcing - 25% Market Research - 25% Sales Outsourcing - 25% Direct Marketing #### Company description I&D Inc. Is a Direct Marketing company established in 1998. Their services include Direct Marketing and Market Research. [Visit Website](https://www.iad.co.jp/english/) --- ### [MarketOne International](https://clutch.co/profile/marketone-international) - $10,000+ minimum project size - 250 - 999 employees - Chuo City, Japan #### Services Provided - Allocation of Expertise by Percentage - 30% Call Center Services - 10% Conversion Optimization - 35% Email Marketing - 20% Marketing Strategy - 5% Sales Outsourcing #### Company description MarketOne International is an Email Marketing company founded in 1998. Their services include Email Marketing and Call Center Services. [Visit Website](http://marketone.com) #### Less than 1% of employees work in Chuo City office Chuo City, Japan NOF Nihonbashi Honcho Building 8F 2-7-1 Nihonbashi Honcho Chuo-ku employees 335.111.560 [See All Locations (8)](https://clutch.co/profile/marketone-international#location) --- ### [Swivelt](https://clutch.co/profile/swivelt) #### 5 out of 5 star rating (2 reviews) - $100,000+ minimum project size - 10 - 49 employees - 港区, Japan #### Services Provided - Allocation of Expertise by Percentage - 20% Back Office Outsourcing - 30% Customer Service Outsourcing - 30% Sales Outsourcing - 10% Pay Per Click - 10% Search Engine Optimization #### Company description Swivelt is a versatile company specializing in B2B marketing and CRM tool development. Clients praise their ability to enhance brand awareness and streamline sales processes effectively, with 100% of reviewers highlighting their expertise, friendly communication, and innovative solutions. Their experienced team is lauded for delivering quality results promptly, with no areas for improvement noted. [Visit Website](https://swivelt.com/growth-services/) #### Easy to work with Clients consistently praised Swivelt for being easy to work with, highlighting the friendly and communicative nature of their project managers. One review noted the project manager's ability to understand requirements effectively, contributing to a smooth workflow. Overall, the sentiment regarding their ease of collaboration is overwhelmingly positive, with clients expressing satisfaction with the team's responsiveness and professionalism throughout the project. - B2B Marketing for IT Software (5.0/5, Oct 28, 2020): The project manager assigned to us was very friendly and easy to communicate with and understand all the requirements. Over 20 Years of experience, Quality of the work, and very friendly people. [Read Full Review](https://clutch.co/go-to-review/swivelt/99572) #### Experience in 2 industries Swivelt has demonstrated expertise primarily in the Information Technology and Software industries. Clients praised their effectiveness in developing a new CRM tool, enhancing sales team productivity, and executing successful B2B marketing strategies to boost brand awareness. Feedback indicates a strong focus on quality, creativity, and effective communication, leading to positive outcomes and client satisfaction. Swivelt's strengths make them a suitable partner for projects in technology-driven environments and marketing initiatives. [Read All Reviews](https://clutch.co/profile/swivelt?verified=true#reviews) ##### Software Experience Swivelt demonstrates strong expertise in the Software industry, particularly in B2B marketing strategies aimed at enhancing brand awareness. Clients appreciate their thorough competitive analysis and effective workflows, highlighting a collaborative and communicative team. Their 20 years of industry experience and commitment to quality work have resulted in significant client satisfaction, evidenced by rapid lead generation. Overall, Swivelt is well-positioned to support businesses seeking impactful software solutions. - 1 review for software industry - 1 review is 5 stars - Less than $10,000 avg. project cost - B2B Marketing for IT Software (5.0/5, Oct 28, 2020): Swivelt was tasked with the B2B marketing for an IT software to increase brand awareness. [Read Full Review](https://clutch.co/go-to-review/swivelt/99572) ##### Information technology Experience Swivelt has received positive feedback for its expertise in developing customized CRM solutions, demonstrating effectiveness in enhancing sales team workflows. Clients commend the company for its fast, accurate, and creative approach. The overall sentiment reflects satisfaction with the collaboration process and the successful implementation of technology that addresses specific client needs in the Information Technology industry, indicating Swivelt's potential as a strong partner for similar projects. - 1 review for information technology industry - 1 review is 5 stars - Less than $10,000 avg. project cost - Salesforce Implementation for IT Company (5.0/5, Mar 20, 2020): Swivelt provided Salesforce integration for an IT company, creating a new web-based and mobile CRM.  [Read Full Review](https://clutch.co/go-to-review/swivelt/40517) #### 5.0 out of 5.0 rating for cost What Clients Have Said Clients express high satisfaction with Swivelt's cost and value for money, highlighting effective solutions that justify their investment. One client noted that the CRM tool developed significantly eased their sales team's workflow, while another praised the rapid increase in brand awareness and lead generation within just 15 days. Overall, feedback reflects a perception of quality work delivered at a competitive price, with no reported areas for improvement. [Read All Reviews](https://clutch.co/profile/swivelt?verified=true#reviews) - Less than $10,000 (2 reviews) #### 6% of employees work in 港区 office 港区, Japan Shinbashi-tokyu Bld.3F, 4-21-3, Shimbashi, Minato-ku 10 - 15 employees [See All Locations (16)](https://clutch.co/profile/swivelt#location) --- ### [Ablueblue Agency](https://clutch.co/profile/ablueblue-agency) - $25 - $49 average hourly rate - Freelancer employees - Setagaya City, Japan #### Services Provided - Allocation of Expertise by Percentage - 20% Corporate Photography - 20% Market Research - 20% Public Relations - 20% Sales Outsourcing - 20% Video Production #### Company description Ablueblue Agency, a PR company, was founded in 2012. They focuses on Public Relations and Market Research. [Visit Website](https://ablueblue.com) --- ### [Webhelp](https://clutch.co/profile/webhelp) - 10,000+ employees - Minato City, Japan #### Services Provided - Allocation of Expertise by Percentage - 1% UX/UI Design - 1% Custom Software Development - 1% AI Development - 1% BI & Big Data Consulting & SI - 5% Back Office Outsourcing - 23% Call Center Services - 1% CRM Consulting and SI - 33% Customer Service Outsourcing - 1% Digital Strategy - 1% Unified Communications Consulting & SI - 5% Finance & Accounting Outsourcing (FAO) - 1% Graphic Design - 1% HR Consulting - 5% Business Consulting - 1% Mobile App Development - 15% Sales Outsourcing - 1% Translation - 1% Web Design - 1% Web Development - 1% Transcription #### Company description Webhelp, a Customer Service Outsourcing company, was established in 2000. The large team provides Customer Service Outsourcing and Call Center Services. [Visit Website](https://webhelp.com/) #### 1% of employees work in Minato City office Minato City, Japan 6F-7F ACN Shibadaimon Building, 2-2-1 Shiba Daimon Minato-Ku, Tokyo 50 - 75 employees [See All Locations (52)](https://clutch.co/profile/webhelp#location) --- #### Get personalized agency matches based on your project goals. [Find the right fit](https://project.clutch.co/project-brief?source=directory_slide_in_CTA&BPB_adoption_source=directory) ## Why Trust Clutch At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences. Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria. Verification doesn’t stop at the point of publication. 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