What Comsquare does

Comsquare Corporation (株式会社コムスクエア) is a privately-held Japanese technology company founded in 1989 and headquartered in Ginza, Tokyo, with 101-250 employees and a regional office in Osaka. The company operates two integrated product families: the VoiceX Family of telephony solutions (cloud PBX, call tracking, AI-powered call analytics, SMS, call recording) and the PatrolClarice Family of IT infrastructure monitoring and operations solutions (agentless server/network monitoring, cloud-based RPA automation, automated phone alerting, monitoring appliances). Comsquare has held designated telecommunications carrier status from Japan's Ministry of Internal Affairs and Communications since 2020, placing it among only 25 domestic carriers authorized to issue 050 and 0078 phone numbers.

The company's underlying technology is built on a proprietary agentless monitoring architecture developed in-house since 1997 and a patented dynamic phone number allocation technology for call tracking. In 2023-2026 it layered generative AI capabilities—initially through ChatGPT integration for call summarization—across VoiceX AI, and more recently extended AI flow generation to the Robostein RPA platform. VoiceX Family services are used by 200,000+ companies processing 2 million+ calls per month, while PatrolClarice Family solutions are deployed at 4,000+ enterprises including IDC providers, telecom carriers, manufacturers, and public-sector institutions. CallTracker serves 1,000+ advertisers managing 3 million+ tracked phone numbers.

Comsquare generates revenue primarily through subscription models across both product families: monthly fees for VoiceX cloud PBX and Robostein automation, annual point-based licensing for PatrolClarice monitoring, and usage-based fees for SMS and AI call summarization. Go-to-market combines direct enterprise sales with channel partnerships (Yahoo! JAPAN, AWS Marketplace, IIJ GIO OEM, JB Group for China, Techloco ATOM), plus self-service online channels for SMB customers. The company's 2026 'Digital Divide Zero' corporate value initiative commits to embedding AI across all products to reduce IT expertise barriers, positioning the portfolio for incremental ARPU expansion within its Japan-centric customer base.

Name

Comsquare

Legal name

株式会社コムSquare

Website

https://comsq.com

Company type

Private

Founded year

1989

Operating status

Operating

Headcount range

101–250 employees

Short description

Comsquare is a privately-held Japanese technology company, founded 1989, that provides cloud PBX telephony, call tracking, and agentless IT infrastructure monitoring software to 200,000+ VoiceX users and 4,000+ PatrolClarice enterprise customers across Japan. It holds designated telecom carrier status and operates subscription-based VoiceX and PatrolClarice product families.

Ownership category

akta.pro rank

Product category

Enterprise Communications and IT Infrastructure Monitoring

NAICS

Software Publishers (51321)

SIC

Services-Telephone Interconnect Systems (7385)

akta.pro primary industry

Cloud PBX & Hosted Telephony (HDAIAHAB)

akta.pro secondary industries

Audio & Speech Analytics (call analytics, QA, insights) (HDAAAFAH), Contact Center Speech AI (agent assist, IVR automation) (HDAAAFAL)

Keywords

• Cloud PBX services
• Call tracking software
• Server network monitoring
• IT operations automation
• Telephony solutions

Headquarters

HQ city

Ginza

HQ country

Japan

HQ region

Asia

Offices4 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Marketing or Sales, Infrastructure, Operations

Revenue model

1. Cloud PBX Subscription (VoiceX): Monthly subscription revenue from cloud PBX services providing telephone functionality with various plan tiers including basic, standard, and premium options with different feature sets.
2. Call Tracking Services (CallTracker): Subscription and usage-based pricing for call tracking and measurement services that track advertising effectiveness by telephone response, with plans offering different numbers of tracked phone numbers.
3. IT Infrastructure Monitoring (Patrol Clarice): Annual license fees for server and network monitoring software with point-based licensing system, plus additional revenue from appliance products and cloud-based SaaS monitoring services.
4. Robostein Automation Platform: Monthly subscription revenue from IT operations automation platform with tiered pricing including Light plan starting from 10,000 yen per month.
5. SMS and Communication Services: Usage-based revenue from SMS delivery services and other communication solutions integrated with telephony offerings.

Pricing tiers

Go-to-market motion2 records

Distribution channels6 records

Marketing channels7 records

Core offering

Comsquare develops and sells cloud-based telephony and IT infrastructure monitoring software through two product families: VoiceX Family (cloud PBX, call tracking, AI call analytics) and PatrolClarice Family (agentless server/network monitoring, IT operations automation/RPA, automated voice alerts). The company serves over 200,000 businesses with its VoiceX services and 4,000+ enterprises with PatrolClarice monitoring solutions, primarily in Japan with select international markets.

Product overview

Comsquare provides two main product families: VoiceX Family (telephony solutions) and PatrolClarice Family (IT infrastructure monitoring and operations). VoiceX Family centers on VoiceX cloud PBX service, complemented by CallTracker call tracking, CallReach, and VoiceX AI for call analytics. PatrolClarice Family is built around PatrolClarice server/network monitoring software, augmented by Robostein for IT operations automation, AlertCall for automated phone notifications, and various appliance products. The company also offers legacy services including PayPerCall call charge advertising systems and related SMS services. The portfolio operates as an integrated ecosystem where telephony and monitoring solutions share technical foundations and can interoperate, particularly through AI-powered features that span both families under the company's 'Digital Divide Zero' corporate value initiative.

Differentiator

Problem solved

Functional benefit

Brands

• VoiceX (ボイスクロス): Next-generation cloud PBX service and core telephony solution family providing VoiceX, CallTracker, CallReach, and VoiceX AI services.
• PatrolClarice (パトロールクラリス)
• PayPerCall (ペイパーコール)
• Robostein (ロボシュタイン)
• AlertCall (アラートコール)

Products and services

• VoiceX (ボイスクロス) Next-generation cloud PBX service providing internet-based business telephony with voice calls, call routing, and cloud phone system management. Operates as a designated telecommunications carrier with capabilities to issue 050 and 0078 phone numbers.
• VoiceX AI (ボイスクロスAI) AI-powered call summarization and analysis service using generative AI (ChatGPT integration) to transcribe, summarize, and analyze phone conversation content for business intelligence. Includes text replacement dictionary for improved transcription accuracy.
• CallTracker (コールトラッカー) Call tracking service that measures and attributes phone call conversions from advertising channels, enabling ROI analysis by tracking which specific ads generate phone inquiries. Tracks over 3 million phone numbers and serves 1,000+ companies.
• CallReach (コールリーチ) Call tracking extension service for measuring and optimizing call-based advertising performance.
• PatrolClarice (パトロールクラリス) Agentless server and network integrated monitoring software that provides comprehensive infrastructure monitoring without requiring software installation on monitored systems. Supports 4,000+ enterprise deployments across data centers, manufacturers, carriers, and public sector.
• Robostein (ロボシュタイン) Cloud-based IT operations automation platform (RPA) that automates system operations workflows, incident response, and cross-system process orchestration using AI-driven automation agents without programming requirements. Light plan starts from 10,000 yen/month.
• AlertCall (アラートコール) Automated phone notification service that proactively calls system administrators to alert them of detected system issues and infrastructure problems. Initial cost 100,000 yen plus monthly fee.
• PatrolClarice Free (パトロールクラリス フリー版) Free tier version of PatrolClarice monitoring software offering basic functionality including ping monitoring, SNMP monitoring, and asset management capabilities at no cost.
• PatrolClarice Light (パトロールクラリス ライト) Entry-level agentless server resource monitoring product designed for quick 5-minute setup at industry-lowest pricing for small-scale deployments.
• Patrol RobotController (パトロールロボコン) High-performance software robot for automating IT system operations, implementing RPA-style automation for repetitive operational tasks.
• Pocket PatrolClarice (ポケットパトロールクラリス) Pre-configured monitoring appliance product line offering purpose-specific solutions including web monitoring, log monitoring, and ESXi host monitoring appliances from 20,000 yen/month.
• PayPerCall (ペイパーコール) Call-based advertising and pay-per-call system that charges advertisers based on incoming call volume, providing call tracking and conversion measurement for online advertising using patented dynamic phone number technology.
• SMS Freedom (SMS自由自在) SMS delivery service for sending short messages to customers, including event-based SMS sending, reservation management integration, and retail membership SMS capabilities.
• Keyword Tracker (キーワードトラッカー) Search keyword tracking service that measures which search keywords from SEM campaigns result in phone inquiries, enabling keyword-level advertising ROI analysis.
• Web電通知 (Web Den-tsuchi) Cloud CTI service that automatically places outbound phone calls using voice synthesis to notify businesses of web-based reservations and inquiries. Used by restaurant reservation platforms.
• 情報漏えい感知BOX (Information Leak Detection BOX) Compact security appliance product that detects data leakage through composite monitoring of logs and network traffic, providing last-line defense for information security.
• MGT.jp Free online network and website monitoring tools site offering utilities including ping check, DNS lookup, port check, blacklist check, and website performance analysis tools.
• VoiceLog (ボイスログ) Call recording service that enables recording of phone conversations using existing telephone equipment without specialized hardware.

Quantifiable outcome

• 4,000+ companies using Patrol Clarice monitoring solutions
• +3 more outcomes

Named customers12 records

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration12 records

AI capability7 records

Feature5 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Nippon Steel Solutions (日鉄ソリューションズ)coreImplementation/ SI/ Consulting Partner · 28 August 2025Nippon Steel Solutions adopted Robostein for their new IT operations platform 'emerald SaaS', implementing Comsquare's automation technology as part of their enterprise service offering.
• Japan Unified Communications Service provider Association (JUSA)minorStrategic or Co-development Partner · 24 February 2023Comsquare joined JUSA industry association for unified communications providers to stay informed on industry trends, ensure regulatory compliance, and contribute to industry development.
• Techloco (株式会社テクロコ)minorChannel Partner/ Reseller/ Distributor · 25 October 2016CallTracker is integrated into Techloco's ATOM platform for advertising management, providing call tracking functionality for SMB advertisers using the platform at no initial or monthly cost.
• Yahoo! JAPANcoreChannel Partner/ Reseller/ Distributor · 7 April 2014Yahoo! JAPAN serves as a distribution partner for Comsquare's PayPerCall service, offering call tracking functionality through its advertising platform to advertising agency customers. This partnership enables Yahoo! to provide call conversion tracking as part of its promotional advertising offerings.
• Amazon Web Services (AWS)coreTechnology or Integration · 30 April 2013AWS serves as a cloud platform for deploying Patrol Clarice monitoring solutions. Comsquare's products are available as Amazon Machine Images (AMI) on AWS Marketplace, allowing customers to easily deploy monitoring infrastructure on AWS cloud. Comsquare is an AWS Technology Partner.
• JBCC Holdings (JBグループ)coreChannel Partner/ Reseller/ Distributor · 18 August 2009JB Group companies including JB Service, JBCN, and PreSoft serve as the primary channel for Patrol Clarice distribution in China, handling both service provision through their monitoring centers and direct software sales.
• JB Service (JBサービス)coreChannel Partner/ Reseller/ Distributor · 1 April 2009JB Service serves as the primary distribution partner for Patrol Clarice in China market, leveraging their SMAC (Solution Management and Access Center) infrastructure for customer monitoring services. The partnership includes JBCN (捷報大連) and PreSoft for China market operations.

Scale indicators9 records

Recent moves9 records

Expansion highlights6 records

Direct peers

• Invoca: AI-driven call tracking and conversation analytics platform; highly comparable to Comsquare's CallTracker and VoiceX AI offerings for marketing attribution and call intelligence.
• UiPath: Leading enterprise RPA platform directly comparable to Comsquare's Robostein cloud RPA product, competing for IT operations automation workloads in Japanese enterprises.
• NIFTY Corporation: Japanese cloud and internet services provider offering Nifty Cloud PBX and related telephony/hosting solutions directly competing with VoiceX in the Japan SMB and mid-market cloud PBX segment.
• ManageEngine (Zoho Corporation): Global provider of IT infrastructure monitoring and management software directly comparable to PatrolClarice, with deep overlap in server, network, and application monitoring use cases.
• Zabbix LLC: Open-source and enterprise server/network monitoring platform widely adopted in Japan and globally, offering a close functional alternative to PatrolClarice's agentless monitoring.

Broad incumbents

• RingCentral: Global cloud PBX and UCaaS leader competing with VoiceX internationally and increasingly in Japan through partner channels; broadly comparable on cloud PBX functionality.
• Datadog: Cloud-native monitoring and observability platform representing the modern, broader alternative to PatrolClarice in enterprise IT infrastructure monitoring.
• NTT East / NTT West (Arcstar IP-Phone / Hikari Phone): Dominant Japanese fixed-line and SIP/hosted telephony providers with extensive cloud PBX and business phone offerings serving the same enterprise base as VoiceX.
• SoftBank (SoftBank Office Phone / OneIP): Major Japanese telecom carrier offering cloud PBX and business communications services to enterprise and SMB customers, competing with VoiceX through bundled telecom offerings.
• KDDI (KDDI Business Phone / Office365 Phone): Major Japanese telecom incumbent offering cloud PBX and business telephony services to enterprise customers, overlapping directly with VoiceX but as part of a much larger carrier portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/watch?v=Gg7BSF-PCIw

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles12 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Comsquare