BroadBand Tower
BroadBand Tower is a Japanese data center and IT infrastructure services provider operating six urban data center sites across Tokyo and Osaka, delivering proprietary cloud (c9 Flex), Dell PowerScale enterprise storage, closed-network connectivity, security, and managed services to enterprise customers, with a new Hokkaido renewable-energy site opening in 2026.
- Company typePublic
- Founded2000
- HeadquartersUchisaiwaicho, Japan
- Headcount251–500
- GTM typeB2B
- OfferingServices
What BroadBand Tower does
BroadBand Tower (TSE Standard: 3776) is a Tokyo-headquartered data center and IT infrastructure services provider founded in February 2000 by current Chairman and CEO Hiroshi Fujiwara. The company operates six urban data center sites — five in central Tokyo (Shindaibashi/Otemachi, Chiyoda, Meguro, Koto) and one in Osaka (Nishi-Umeda) — with a seventh greenfield site (Ishikari Renewable Energy Data Center in Hokkaido) scheduled to open in autumn 2026 under a DC-in-DC operating model. Facilities are positioned near major Internet Exchange points and provide colocation, server housing, and managed infrastructure to enterprise customers; a 131-person team as of December 31, 2025 supports operations alongside three consolidated subsidiaries (Japan CableCast, TSS Link, GiTV) that extend the platform into media, security, and video distribution.
The product portfolio is built on a unified connectivity-plus-platform architecture. The proprietary c9 Flex cloud family — c9 Flex-N (Zadara-powered, pay-as-you-go IaaS) and c9 Flex-V/D/P (VMware-based fixed-price IaaS) — anchors the cloud layer, complemented by Dell PowerScale/Isilon scale-out NAS, Unity, Scality RING, and PowerProtect DP4400 storage products (delivered through BBTower's Dell Technologies Titanium partnership). Closed-network connectivity is provided through dc.connect and dc.connect NeX to AWS, Azure, and Google Cloud, with NTT-ME JPDC Cabling added in October 2025. Security and managed services include Superna Eyeglass ransomware protection, managed WAF, malware protection, vulnerability assessment, RemoStorage multi-region backup, and 24/7 MSP monitoring. Certifications include ISO/IEC 27001 (since 2005), ISO/IEC 27017 (2024), JIPDEC Privacy Mark (2015), and METI DX Certified Operator (2021).
Revenue is generated through a mix of recurring subscriptions (colocation, RemoStorage, WAF, MSP), usage-based cloud billing (c9 Flex-N), hardware resale (Dell), and project-based professional services. GTM is direct enterprise sales supplemented by the Dell channel and partner integrations with AWS, Azure, GCP, NTT East, Zadara, and Arrosoft. Customers include Sega Sammy Holdings, CyberAgent, Digital Knowledge, OLM Digital, and Carol System, with the Dell PowerScale footprint spanning ~3,000 nodes/350+ clusters across 250+ end-user companies. Growth is being driven by the Hokkaido green DC, GPU/AI workload positioning, IOWN APN innovation with NTT East, and multi-cloud DR tooling via the Arrosoft/Zadara partnership.
BroadBand Tower firmographics
Firmographics- Name
- BroadBand Tower
- Legal name
- 株式会社ブロードバンドタワー
- Website
- https://bbtower.co.jp
- Company type
- Public
- Founded year
- 2000
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- BroadBand Tower is a Japanese data center and IT infrastructure services provider operating six urban data center sites across Tokyo and Osaka, delivering proprietary cloud (c9 Flex), Dell PowerScale enterprise storage, closed-network connectivity, security, and managed services to enterprise customers, with a new Hokkaido renewable-energy site opening in 2026.
- Ownership category
- akta.pro rank
BroadBand Tower industry classification
Industry- Product category
- Data Center & Cloud Infrastructure Services
- NAICS
- Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182), Wired Telecommunications Carriers (517111)
- SIC
- Computer Communications Equipment (3576), Computer Storage Devices (3572), Services-Facilities Support Management Services (8744), Services-Computer Rental & Leasing (7377)
- akta.pro primary industry
- Carrier Hotels & Network-Dense Colocation (HDABACAE)
- akta.pro secondary industries
- Data Center Interconnection (DCI) & Cross-Connects (HDABALAB), Edge Colocation & Distributed Data Center Services (HDABAOAB)
Keywords
Where BroadBand Tower is headquartered
LocationHeadquarters
- HQ city
- Uchisaiwaicho
- HQ country
- Japan
- HQ region
- Asia
Offices7 records
Markets served
BroadBand Tower business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Infrastructure, Technology or R&D, Personnel, Operations, Marketing or Sales
Revenue model
- Data Center Services: Colocation services providing rack space, power, and network connectivity in BBTower's urban data centers across Tokyo and Osaka.
- Cloud Services (c9): IaaS cloud services with usage-based pricing for compute, storage, and network resources. Includes c9 Flex-V (fixed monthly) and c9 Flex-N (usage-based) tiers.
- Storage Solutions: Sale and support of enterprise storage products including Dell PowerScale (Isilon), Unity, Scality RING, and PowerProtect DP4400.
- Network Services: Internet connectivity, closed-network connections to public clouds (AWS, Azure, GCP), and inter-data center connectivity services.
- Managed Security Services: Cloud-based security services including managed WAF (attack遮断くん), malware protection, vulnerability assessment, and backup services.
- MSP Monitoring Services: 24/7 server and network monitoring operations management services.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Usage-based | Pay-as-you-go | c9 Flex-N usage-based cloud pricing |
| Subscription | Monthly | RemoStorage backup service |
| Subscription | Monthly | Attack blocking service (WAF) |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels4 records
BroadBand Tower product offering
Product offeringCore offering
BroadBand Tower provides integrated data center colocation, IaaS cloud (c9 Flex), enterprise storage (Dell PowerScale/Isilon), closed-network hybrid/multi-cloud connectivity (dc.connect), remote backup (RemoStorage), managed security (WAF, malware, vulnerability assessment), and 24/365 MSP monitoring to enterprise customers in Japan. Services are anchored by six urban data centers in Tokyo and Osaka, with a renewable-energy-powered Hokkaido facility scheduled to open in autumn 2026.
Product overview
BroadBand Tower operates a platform-plus-services model anchored by its proprietary data center infrastructure and cloud services. The core platform comprises six urban-type data center locations across Tokyo and Osaka, connected to major IXs and cloud providers (AWS, Azure, Google Cloud) via proprietary closed-network services (dc.connect, dc.connect NeX). The company's primary cloud product is the c9 Flex family: c9 Flex-N (Zadara-powered, pay-as-you-go IaaS) and c9 Flex-V/D/P (VMware-based fixed-price IaaS), both enabling hybrid and multi-cloud architectures. Storage offerings are centered on Dell Technologies PowerScale/Isilon scale-out NAS (supplemented by Unity and Scality RING), complemented by add-on data management modules including Superna Eyeglass (ransomware protection), DataDobi (migration), Alog (data governance), and CloudAny (cross-cloud migration/DR). Security services include managed WAF, malware protection, vulnerability assessment, and remote backup (RemoStorage). MSP provides 24/365 monitoring and operations management. The Ishikari Renewable Energy Data Center (opening autumn 2026) expands the geographic footprint with a green, 100% renewable-powered facility. The product portfolio is unified by BBTower's connectivity expertise, spanning colocation, cloud, storage, network, security, and managed services.
Differentiator
Problem solved
Functional benefit
Brands
- c9 Flex: 自社クラウドサービス（IaaS型）- シーナイン
- dc.connect
- RemoStorage
- BOIS
- dc.connect NeX
- CloudAny
Products and services
- Data Center Services (Colocation)
- c9 Flex Cloud Service (IaaS)
- dc.connect (Hybrid/Multi-Cloud Connectivity)
- RemoStorage (Remote Backup)
- Managed WAF (Attack Blocking Service)
- Malware Protection Service
- Vulnerability Assessment Service
- Monitoring Service Plus (MSP)
- Dell Technologies PowerScale / Isilon
- Dell EMC Unity Storage
- Scality RING
- Dell Technologies PowerProtect DP4400
- Superna Eyeglass
- CloudAny
- DataDobi / Datadobi StorageMap
- Alog ConVerter
- Green Power Service
- AI Infrastructure / GPU Server Services
- Dell Technologies Network Switches and Servers
- Ishikari Renewable Energy Data Center
Quantifiable outcome
- New Ishikari Renewable Energy Data Center scheduled to open in Fall 2026 with 100% renewable energy
- +1 more outcomes
Companies that use BroadBand Tower
Customer profileNamed customers7 records
Segments3 records
Ideal customer profiles3 records
BroadBand Tower technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration8 records
Feature4 records
BroadBand Tower partnerships and signals
Strategic signalPartnerships
Ten partnerships are on record, tiered key, strategic and minor.
- Ishikari Renewable Energy Data Center 1st (合同会社石狩再エネデータセンター第1号)keyBuilding lease and renewable energy power supply agreement for BBTower to operate data center services in the Ishikari Renewable Energy Data Center (opening Fall 2026).
- NTT East (NTT東日本)keyJoint demonstration agreement using IOWN APN (All-Photonics Network) for long-distance storage system between Tokyo and Hokkaido data centers. First implementation of unified file system over 1000km+ distance.
- NTT-ME (NTTエレムイー)key導入JPDC Cabling service for inter-data center connectivity, connecting BBTower's New Otemachi site to various data centers in Tokyo metropolitan area with redundant configuration.
- Arrosoft (Arrosoft Solutions LLC)keyPartnership to sell and support Arrosoft's CloudAny - a cloud migration and disaster recovery tool enabling data transfer between on-premises, VMware, AWS, Azure, GCP, and c9 Flex services.
- ZadarakeyPartnership utilizing Zadara's Enterprise Edge Cloud Platform for c9 Flex N-series cloud service, enabling real-time resource management and flexibility.
- Dell TechnologieskeyTitanium partner status for Dell Technologies. Selling and supporting Dell PowerScale (Isilon), PowerProtect DP4400, Dell servers and switches. Channel Services Delivery Excellence Award winner.
- Tokyu Real Estate (東急不動産)strategicComprehensive partnership agreement signed March 2023 to strengthen digital infrastructure and solve social issues related to data centers.
- Amazon Web Services (AWS)keyAWS Direct Connect partner providing closed-network connection between BBTower data centers and AWS cloud services.
- Microsoft AzurekeyAzure ExpressRoute partner for closed-network connection between BBTower data centers and Azure cloud services.
- HEROZminorBusiness partnership in AI/IoT and digital infrastructure fields for technological innovation and sustainable society.
Scale indicators6 records
Recent moves9 records
Expansion highlights6 records
BroadBand Tower competitors and assessment
Company assessmentDirect peers
- Colt Technology Services: Global network and data center operator with significant Tokyo presence (Colt DCS), offering colocation, cross-connect, and on-demand cloud connectivity. Directly comparable to BBTower's urban data center and dc.connect NeX inter-DC connectivity services.
- Internet Initiative Japan (IIJ): Japanese IT infrastructure provider offering network connectivity, cloud (IIJ GIO), data center, and managed security services, primarily to enterprises. Overlaps heavily with BBTower's colocation, multi-cloud connectivity, and managed services lines in the same Japanese market.
- Sakura Internet: Japanese data center and cloud (IaaS) operator with its own facility footprint (Ishikari, Tokyo, Osaka) and a focus on serving domestic enterprise and research customers. Most directly comparable to BBTower on geographic footprint, services mix (cloud + colocation + storage), and customer base.
- IDC Frontier: Japanese data center and cloud (IDCF Cloud) operator affiliated with LY Corporation/Yahoo Japan. Competes with BBTower on domestic colocation, cloud IaaS, and hybrid connectivity for the same Japanese enterprise customer base.
Broad incumbents
- Equinix: Global data center and interconnection incumbent; operates IBX facilities in Tokyo and Osaka. Larger, broader portfolio than BBTower, but directly competes for IX-dense colocation and cloud on-ramp customers in the same metropolitan markets.
- CoreSite (American Tower): US-focused carrier-neutral data center and interconnection platform (owned by American Tower). Operates in different geographies but uses the same model of network-dense, IX-adjacent, multi-cloud-connected urban data centers that BBTower follows in Tokyo/Osaka.
- Digital Realty: Global hyperscale and interconnection data center platform with Japanese presence (acquired Interxion/Tokyo assets). Comparable in core colocation and cross-connect model, but operates at much larger scale across multiple regions.
- KDDI: Major Japanese telecom offering TEPCO affiliate data center services (KDDI TOKYO DATA CENTER, KDDI OSAKA), cloud, and managed services. Competes with BBTower particularly in network-dense urban colocation and hybrid cloud for large enterprises.
- NTT Data: Japan's largest IT services provider with extensive data center operations and cloud/system integration practice. Not a direct cloud/colocation competitor, but addresses the same enterprise customers' hybrid infrastructure needs as BBTower's full stack.
- NTT Communications (NTT): Major Japanese telecom and data center operator (Nexcenter/Netmagic) and BBTower's partner for IOWN APN. Overlaps with BBTower on domestic colocation, cloud connectivity, and managed services, but with substantially greater scale and portfolio breadth.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
BroadBand Tower social profiles
Digital presenceBroadBand Tower compliance and trust
Trust signalCompliance5 records
BroadBand Tower financial estimates
Financial estimateRevenue estimate
Valuation estimate
BroadBand Tower leadership team
Management profileNumber of profiles
Profiles3 records
BroadBand Tower subsidiaries and ownership
Company hierarchySubsidiaries3 records
BroadBand Tower funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
BroadBand Tower M&A and investment
M&A and investmentM&A1 record
Investments4 records
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about BroadBand Tower
What does BroadBand Tower do?
BroadBand Tower provides integrated data center colocation, IaaS cloud (c9 Flex), enterprise storage (Dell PowerScale/Isilon), closed-network hybrid/multi-cloud connectivity (dc.connect), remote backup (RemoStorage), managed security (WAF, malware, vulnerability assessment), and 24/365 MSP monitoring to enterprise customers in Japan. Services are anchored by six urban data centers in Tokyo and Osaka, with a renewable-energy-powered Hokkaido facility scheduled to open in autumn 2026.
Is BroadBand Tower a public or private company?
BroadBand Tower is a public company. It is classified as public and is currently operating.
When was BroadBand Tower founded?
BroadBand Tower was founded in 2000. It employs 251 to 500 people.
Where is BroadBand Tower based?
BroadBand Tower is headquartered in Uchisaiwaicho, Japan, in the Asia region.
How does BroadBand Tower make money?
Six revenue lines are on record. Data Center Services are the primary driver. The others are cloud Services (c9), storage Solutions, network Services, managed Security Services and MSP Monitoring Services.
Who are BroadBand Tower's main competitors?
Direct peers on record are Colt Technology Services, Internet Initiative Japan (IIJ), Sakura Internet and IDC Frontier. Broad incumbents are Equinix, CoreSite (American Tower), Digital Realty, KDDI, NTT Data and NTT Communications (NTT).
Does BroadBand Tower have an API?
No public API is recorded for BroadBand Tower.
What industry is BroadBand Tower in?
BroadBand Tower's product category is Data Center & Cloud Infrastructure Services. Its primary akta.pro industry code is HDABACAE, Carrier Hotels & Network-Dense Colocation, with a secondary code of HDABALAB, Data Center Interconnection (DCI) & Cross-Connects. Its NAICS code is 5182 and its SIC code is 3576.