What SB Engineering does

SB Engineering Corporation is a wholly-owned subsidiary of SoftBank Corporation that designs, builds, and operates enterprise network infrastructure, smart office environments, and digital transformation (DX) solutions for Japanese organizations. Founded in 2005 as Telecom Engineering Co., Ltd. and rebranded in November 2019, the company holds Telecommunications Carrier Registration No. 379 and ten construction business permits covering electrical, telecommunications, civil engineering, and interior works. As of April 2026, the company employs 1,015 people and serves customers across telecommunications, retail, logistics, finance, and academia — including the SoftBank Group, University of Tokyo, Iyo Bank, and Fujita.

The company's technical capabilities span large-scale wireless deployment (anchored by a flagship 7,500 access-point installation), LAN/WAN design, smart office integration (smart locks, access control, conference room reservation), AI-driven network operations via Juniper Mist's Marvis, and computer vision applications including face authentication, temperature detection, and LiDAR-based people counting. SB Engineering partners with Cisco, Juniper Mist, and Genetec, and has extended into LEO-satellite connectivity through Starlink Business and into smart-city applications via the SynapSpark joint venture. Quality and security posture is reinforced by ISO 9001, ISO/IEC 27001, and METI DX Certification (September 2024); an R&D facility, Tech For Sight Lab Nagasaki, was opened in October 2024.

SB Engineering's business model is predominantly project-based enterprise services: design, procurement, and construction of telecom and network infrastructure; recurring DX and BPO engagements; and integration of IoT, AI, and smart office platforms. The company monetizes through construction contracts, recurring managed services, and technology integration projects, with go-to-market reinforced by its position inside the SoftBank ecosystem and access to the parent's enterprise sales channels. Customer relationships span multi-year network build-outs and ongoing operational support, embedding meaningful switching costs once deployed at scale.

Name

SB Engineering

Legal name

SBエンジニアリング株式会社

Website

https://sbengineering.co.jp

Company type

Private

Founded year

2005

Operating status

Operating

Headcount range

501–1,000 employees

Short description

SB Engineering is a SoftBank subsidiary providing enterprise network infrastructure construction, smart office integration, DX support, and BPO services to Japanese telecom, retail, finance, and academic clients, with 1,015 employees.

Ownership category

akta.pro rank

Product category

ICT Infrastructure Services

NAICS

Engineering Services (54133), Computer Systems Design and Related Services (54151), Architectural, Engineering, and Related Services (5413)

SIC

Services-Engineering Services (8711), Services-Computer Integrated Systems Design (7373), Services-Facilities Support Management Services (8744)

akta.pro primary industry

Systems Engineering & Technical Program Management (BPAHAIAI)

Keywords

• Network infrastructure services
• Telecommunications engineering
• Smart office solutions
• Digital transformation services
• BPO services

Headquarters

HQ city

Koto

HQ country

Japan

HQ region

Asia

Offices9 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering and Construction Services: Network infrastructure construction, telecommunications engineering, smart office solutions, and facility management services including mobile base station construction, LAN/Wi-Fi deployment, and data center infrastructure.
2. BPO Services: Business process outsourcing including contact center operations, IT business support, sales support, and general affairs services for enterprise clients.
3. DX Support Services: Digital transformation support services including device setup (kitting), system environment construction, and operational support for enterprise DX initiatives.
4. Telecommunication Services: Registered telecommunications operator (No. 379) providing communication infrastructure and related services.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels4 records

Core offering

SB Engineering provides end-to-end ICT infrastructure and engineering services to enterprises, universities, government entities, financial institutions, and construction firms. Core offerings span network construction and maintenance (LAN/Wi-Fi deployment, Juniper Mist AI-powered wireless LAN), smart office solutions (interior construction, AV, IoT), DX support services (system environment construction, AI-powered help desk, device lifecycle management), BPO services (contact center, kitting, IT business support), and communication infrastructure business (mobile base station construction, data center facility management). The company operates as the engineering and operational arm of SoftBank Group, combining consulting, design, construction, and ongoing operational support.

Product overview

SB Engineering operates as a comprehensive ICT services provider within the SoftBank Group, offering an integrated portfolio of engineering and operations services. The company is organized into three core business segments: Corporate Solutions Business (network infrastructure, AI/IoT, smart offices), Outsourcing Business (DX support and BPO services), and Communication Infrastructure Business (mobile networks and facility management). Key service offerings include network construction and maintenance, DX support services with AI-powered help desk and device lifecycle management, smart office solutions combining interior work with IoT and AV systems, BPO services covering contact centers and IT support, and communication infrastructure for mobile base stations and data centers. The company also operates Tech Four Site Lab Nagasaki for next-generation network R&D.

Differentiator

Problem solved

Functional benefit

Brands

• Visual Flow: Network solution service offered by SB Engineering
• Smart Office Solutions
• DX Support Services
• BPO Services

Products and services

• Network Construction and Maintenance (ネットワーク構築・保守)
• Visual Flow
• DX Support Services (DXサポートサービス)
• Smart Office Solutions (スマートオフィスソリューション)
• BPO Services (BPOサービス)
• Communication Infrastructure Business (通信インフラ事業)
• DX Design Support (DX設計サポート)
• Starlink Business Integration
• AI/IoT Solutions (AI・IoTソリューション)

Quantifiable outcome

• Tokyo University: 7,500 access points enabling 20,000+ concurrent users
• +3 more outcomes

Named customers12 records

Segments6 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability8 records

Feature4 records

Partnerships

Seven partnerships are on record, tiered core, supporting and strategic.

• Juniper Networks (Juniper Mist)coreTechnology or IntegrationStrategic technology partnership for AI-powered wireless LAN solutions. Juniper Mist cloud-managed Wi-Fi platform is core technology used across major enterprise deployments including universities and financial institutions.
• YAMAHA CorporationsupportingTechnology or IntegrationAudio equipment integration partner providing ceiling speakers, array microphones, and conference solutions for smart office AV installations.
• SB Creative CorporationsupportingTechnology or IntegrationDigital signage content management system (BeyondCAST) provider for enterprise communication and information display solutions.
• Epson (樽原)supportingTechnology or IntegrationProjector and display solutions provider for AV systems in enterprise smart office deployments.
• PicoCELAsupportingTechnology or IntegrationMesh Wi-Fi technology partner providing coverage extension for Starlink Business installations in challenging environments like construction sites.
• SoftBank (Starlink Business)coreTechnology or IntegrationSatellite internet service distribution partnership. SB Engineering integrates Starlink Business for areas with limited traditional connectivity such as high-rise construction sites.
• SynapSparkstrategicStrategic or Co-development PartnerJoint venture with Nikken Sekkei for smart city development projects. SB Engineering participates in smart city design and implementation from infrastructure perspective.

Scale indicators13 records

Recent moves10 records

Expansion highlights5 records

Broad incumbents

• NEC Corporation: Global IT and telecom vendor with significant Japan presence providing network infrastructure, smart city solutions, and enterprise IT services. Comparable as broad incumbent in the same enterprise digital transformation and telecom network markets.
• Fujitsu Limited: Global Japanese IT services and hardware giant offering network integration, data center services, and enterprise IT solutions. Broad incumbent overlapping with SB Engineering's enterprise IT and DX practice areas.
• SCSK Corporation: Major Japanese IT services company (Sumitomo Corporation group) providing system integration, IT outsourcing, and network services. Broader incumbent comparable for SB Engineering's DX support, BPO, and managed services portfolio.

Direct peers

• NTT-ME: NTT Group's network construction and maintenance subsidiary, providing telecom infrastructure deployment, ICT solutions, and smart office services across Japan. Direct comparable as another carrier-affiliated engineering services firm with similar scale and customer mix.
• Net One Systems: Japanese network system integrator specializing in enterprise network design, implementation, and managed services for carriers and large enterprises. Comparable for SB Engineering's Juniper-based LAN/Wi-Fi integration and network engineering offerings.
• Kinden Corporation: Major Japanese electrical and telecommunications engineering contractor with nationwide operations covering power, telecom, and IT infrastructure construction. Direct comparable for SB Engineering's construction permit-driven network deployment work.
• KDDI Engineering: KDDI's in-house engineering arm providing base station construction, network design, and telecom infrastructure services in Japan. Most directly comparable peer given parallel telecom-operator-owned engineering subsidiary structure serving similar enterprise and carrier customers.
• Kandenko: One of Japan's largest electrical and telecommunications construction companies, providing electrical works, telecom infrastructure, and air conditioning engineering. Comparable on the construction-side of SB Engineering's network and smart office business.

Others

• SynapSpark: Joint venture between Nikken Sekkei and SB Engineering for smart city development projects. Listed as a partner because it represents an ecosystem relationship; comparable for the smart city / DX convergence segment where SB Engineering participates.

Regional players

• Kyudenko: Regional electrical and telecommunications construction firm headquartered in Kyushu, Japan, with nationwide expansion. Comparable for SB Engineering's telecom construction work, particularly in the Kyushu region where SB Engineering also has offices (Fukuoka, Kitakyushu, Nagasaki).

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@sbengineering

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 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 SB Engineering