Sun Asterisk

What Sun Asterisk does

Sun Asterisk (Sun*) is a Tokyo-headquartered, Tokyo Stock Exchange Prime Market-listed digital creative studio (ticker 4053) operating under a Business × Technology × Creative co-creation model. Founded in Vietnam in 2012 and now employing 1,200+ developers across Japan (~100), Vietnam (~1,000) and the Philippines (~50) as of April 2024, the company serves 550+ clients across 850+ projects spanning large Japanese enterprises (Daikin, NTT West, JT, SoftBank, Nissan, Mitsubishi Estate, Benesse, POLA, PFU, MrMax), mid-market manufacturers and logistics providers, and Japanese startups (Timee, Voicy, Finatext, EVERING). Its portfolio bundles proprietary methodologies — Value Design Syntax (ideation), HEART Development and Sun* AI-Ready SDLC/MoMorph (AI-driven delivery), AI*deation (ChatGPT-based ideation app) and AI*Agent Base (Dify-based private-cloud generative-AI agent platform) — with in-house DevOps tooling (Sun* Apollo, CI, Athena, Argus) under a Project Acceleration Office quality-management function. The company also operates an xseeds Hub university program across Vietnam, Indonesia, Malaysia and Brazil producing 2,000+ trained engineers with JLPT N3+ Japanese proficiency.

Sun* monetizes through a mix of project-based co-creation fees, recurring DevOps/managed engineering services, CSP-level AWS and Azure billing resale with retained margin, subscription SaaS (AI*deation), fixed-scope vulnerability testing and on-premises AI agent deployments. Go-to-market combines direct enterprise consulting sales from Tokyo, inside sales/free-consultation flows for growth-stage clients, AWS and Microsoft co-sell, conference-led demand generation (AWS Summit Japan, IVS, Findy) and HubSpot-driven content marketing. AWS Advanced Tier Services Partner and Microsoft Solutions Partner for Data & AI (Azure) status provide distribution leverage uncommon for Japanese system integrators, while the offshore engineering footprint delivers cost-arbitraged scale unavailable to Japan-only competitors.

The group consolidates Sun Asterisk Vietnam Co., Ltd, Sun Asterisk Software Development Inc. (Philippines), Sun* terras, MIXENSE, NEWh, Global Gear (acquired June 2025), Trys, Global Gear and CROSTA, alongside newer productized assets (AI*deation, AI*Agent Base, HEART Development, Sun* AI-Ready SDLC, Ailla, BeCraft, ALLLY). Reported revenue progression ¥69.8B (2021) → ¥94.7B (2025) implies ~8% CAGR with material EBITDA compression from ¥13.4B to ¥8.0B over 2023–2025, consistent with a mature Japanese digital-services firm actively investing in AI productization and offshore scaling rather than a hyper-growth phase.

Name

Sun Asterisk

Legal name

株式会社Sun Asterisk

Website

https://sun-asterisk.com

Company type

Public

Founded year

2012

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Sun Asterisk (Sun*) is a TSE Prime-listed Japanese digital creative studio with 1,200+ developers across Japan, Vietnam and the Philippines, delivering AI-driven co-creation, DevOps, cloud, security, and SaaS products (AI*deation, AI*Agent Base) to 550+ enterprise, mid-market and startup clients.

Ownership category

akta.pro rank

Product category

Digital Engineering and Creative Services

NAICS

Custom Computer Programming Services (541511), Computer Systems Design Services (541512)

SIC

Services-Computer Integrated Systems Design (7373), Services-Computer Programming Services (7371)

akta.pro primary industry

Platform Engineering & Internal Developer Platforms (IDP) (BPAEAKAC)

akta.pro secondary industries

Digital Experience Monitoring & Management (DEX/DEM, AIOps for EUC) (BPAEAIAF), Developer Experience Platforms for Enterprise (IDEs, CI/CD, Dev Portals) (HDAEAKAI), Database/Application Data Layer Modernization (DB migration, ORM, caching) (BPAEAFAL), Emerging Tech (IoT, Blockchain, AR/VR, Edge) Consulting (BPAHAEAL)

Keywords

• Digital creative studio
• Cloud migration services
• AI development services
• DevOps managed services
• Penetration testing services

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Co-creation / Development Project Fees: Primary revenue stream: bespoke project-based fees for digital creative studio engagements covering business design, service design, UI/UX design, agile development, and ongoing operation. Long-term, multi-year engagements with embedded co-creation teams; priced per project / per team / per month.
2. DevOps / Managed Engineering Services: Recurring managed services for DevOps, SRE, AWS/Azure monitoring (24/7 alert, log retention, performance monitoring), cloud cost optimization (FinOps), and continuous security diagnostics — sold as ongoing engagements with the Sun* Apollo/CI/Athena/Argus tooling stack.
3. AWS / Azure Billing Resale (with Margin): Cloud billing-resale model where Sun* acts as CSP partner, reselling AWS and Azure usage with volume discounts passed to the customer and residual margin retained, bundled with governance and managed service options (Entry / Standard / Enterprise plans).
4. AI*deation SaaS Subscriptions: Subscription-based product (Light / Standard / Premium plans) including 10 seats, a 1-day workshop, and (for higher tiers) monthly mentoring and end-to-end PoC support; positions as a continuously usable alternative to consulting retainers.
5. AI*Agent Base / AI Development Engagements: Project-based fees for generative-AI agent platform implementations including Dify-based private-cloud deployment, RAG infrastructure, and AI application integration; pricing via per-engagement quote.
6. Vulnerability Assessment / Penetration Testing: Fixed-scope security diagnostic services (Bronze, Silver, Gold, Platinum tiers based on screen count and scope) covering OWASP Top 10, OWASP MASVS, cloud config audits, network and platform assessments; priced per project.
7. Talent Platform / xseeds Hub: Recruitment-related revenue via the xseeds Hub global engineering talent platform (Vietnam, Indonesia, Malaysia, Brazil universities) that supplies trained engineers for client in-housing and Sun*-led projects.

Pricing tiers

Go-to-market motion5 records

Distribution channels6 records

Marketing channels10 records

Core offering

Sun Asterisk operates a Digital Creative Studio that co-creates new businesses, digital transformation (DX) initiatives and product development for enterprise and startup clients. It bundles Business, Technology, and Creative (BTC) specialist teams under a single engagement covering business design, UI/UX, agile development, AI integration, cloud migration, DevOps and security. Service delivery is anchored on a 1,200+ developer organization across Japan, Vietnam, and the Philippines using proprietary methodologies such as Value Design Syntax, HEART Development, Sun* AI-Ready SDLC, MoMorph and the AI*Agent Base generative-AI platform.

Product overview

Sun Asterisk operates a Digital Creative Studio model rather than a single monolithic product: a portfolio of methodologies and managed services stitched together by specialist Business, Technology (Tech) and Creative teams. Its Creative & Engineering pillar bundles UI*UX Review (UIUX Diagnosis), Dev*Ops (with proprietary tools Apollo, CI, Athena and Argus and a PAO quality-management team), the Sun* Cloud Integration platform (with AWS Migration/Monitoring/Billing/Security and Azure Migration/Billing/Security sub-services), the Cyber Security Test (penetration/vulnerability assessment) practice and AI*deation — the ChatGPT- and Value Design Syntax-powered ideation web app. The Technology pillar centers on its AI offerings: MoMorph (design-led, spec-driven AI development), Sun* AI-Ready SDLC (multi-agent SDLC methodology), HEART Development (AI-driven co-creation flow), the standalone AI Development Service (OCR, RAG/GraphRAG, multi-agent, ML/sensor analytics) and AI*Agent Base (Dify-based private-cloud generative-AI agent platform). The Insourcing Solution supports clients transitioning development in-house, while the Talent Platform pillar adds xseeds Hub for global engineering hiring. Newer offerings from the Spark internal-incubation program include Ailla (beta) for service-concept validation and the partner-operated BeCraft headless-CMS service, alongside the ALLLY pro-artist fan community.

Differentiator

Problem solved

Functional benefit

Brands

• Spark: Internal new business creation program of Sun*, launched from December 2024 to support new business creation through internal ideas and validation processes.
• AiIla (Ailla)
• BeCraft
• ALLLY
• NEWh
• GROWGRIT
• MIXENSE
• Trys
• Global Gear
• Sun* terras
• xseeds Hub
• AI*deation
• AI*Agent Base
• Sun* DevOps
• HEART Development
• Sun* AI-Ready SDLC
• Sun* Cloud

Products and services

• AI*deation Web-based AI ideation application for new-business teams; diverges and evaluates business ideas using ChatGPT and the Value Design Syntax framework, with optional Sun* business-designer mentoring and end-to-end validation/MVP support.
• AI*Agent Base Generative-AI agent integration platform enabling enterprises to deploy in-house AI agents (chatbots, AI meeting minutes, sales-prep agents, document-conversion agents) on a private cloud with RAG and data-governance capabilities.
• HEART Development Proprietary AI-driven development methodology that delivers working micro-app prototypes in short cycles by combining generative AI with user-centered design, enabling faster stakeholder alignment and shorter PDCA loops.
• Sun* AI-Ready SDLC (powered by MoMorph) Next-generation AI-driven software development lifecycle methodology integrating AI agents across requirements, design, implementation and operation stages, used together with Sun* AI-Ready DevOps tooling for guaranteed quality and accelerated releases.
• Dev*Ops Managed Service Flexible, scale-out development teams that combine software engineering with DevSecOps/SRE operations, backed by Sun*'s proprietary quality-management tools (Apollo, CI, Athena code-coverage, Argus monitoring) and a PAO quality management function.
• UIUX Diagnosis (UI*UX Review) Four-week intensive review where Sun*'s design experts audit a digital product's information architecture, UI/UX and visual design, then deliver a feedback sheet with prioritized improvements and 3-5 redesigned screens.
• Cyber Security Test (Penetration Testing / Vulnerability Diagnostic) Penetration testing and vulnerability assessment service covering web applications, smartphone apps (iOS/Android), platform/network configuration and cloud configuration audits. Tiered Bronze/Silver/Gold/Platinum plans aligned with OWASP Top 10, OWASP MASVS, OSSTMM and PCI-DSS.
• Sun* Cloud Integration Cloud-integration service platform covering AWS, Microsoft Azure, Google Cloud and Kubernetes across migration, monitoring, billing-resale and security-assessment lines, with FinOps, IaC (Terraform/Azure Bicep/CloudFormation) and DevSecOps.
• AI Development Service End-to-end AI development support covering AI-OCR, LLM agents, RAG/GraphRAG (Neo4j), multi-agent code/test generation, ML forecasting and bespoke sensor/EEG analytics; backed by Microsoft Azure AI Engineer / Neo4j certified engineers.
• Business Insourcing Solution Agile and DevOps-based support for transitioning new-business/product development in-house, covering team building (including overseas engineer hiring via xseeds Hub), agile/scrum coaching, AWS Well-Architected architecture, and cultural transformation.
• xseeds Hub (Talent Platform) Global engineering-talent platform operating Sun*-designed IT curriculum at top universities in Vietnam, Indonesia, Malaysia and Brazil (2,000+ students with JLPT N3+ Japanese and full CS curriculum), supplying trained engineers for client in-housing and Sun*-led projects.
• Spark (Internal New-Business Program) Sun*'s internal new-business-creation program supporting the ideation, validation and launch of products from employee-submitted ideas; first cycle produced the Ailla and BeCraft beta releases.
• Ailla (AiIla) Beta product spun out of Sun*'s Spark program supporting service-concept validation and concretization - turning raw business ideas into clearly articulated, testable concepts as a precursor to MVP work.
• BeCraft Headless-CMS construction support service operated by a related company/JV under the Sun* umbrella, helping teams build content-driven websites and services on a headless architecture.
• ALLLY Fan-community platform for professional artists, operated by Sun*'s incubation arm Trys, listed as a Sun* service offering alongside Creative & Engineering and Talent Platform.
• MoMorph Design-led, spec-driven AI-driven development methodology underpinning Sun* AI-Ready SDLC, combining human-centered design with AI-assisted code/test generation to accelerate delivery.
• AWS Cloud Migration Service End-to-end AWS migration engagement that inventories existing systems, runs TCO/CAF-based planning, builds a secure landing zone (VPC, Security Hub/WAF, SSO) and progresses from Rehost to Refactor using MGN, Terraform/AWS CDK and CI/CD pipelines.
• AWS Monitoring Service 24/7 AWS monitoring built on Sun*'s DevOps foundation covering event monitoring (EventBridge -> SNS/Lambda -> Slack), performance (CloudWatch alarms), log anomaly detection and long-term log retention for audit and incident response.
• AWS Billing Agency CSP-based AWS resale with volume-discount pricing, yen-based invoicing and built-in security/governance (IAM, GuardDuty, WAF, Security Hub); Entry/Standard/Enterprise plans add Systems Manager automation and CAF-based organizational governance.
• AWS Security Assessment External-attacker-style penetration testing and CIS AWS Foundations Benchmark configuration audit for AWS environments, complemented by certified ethical hackers (OSCP/CEH) performing manual attack-scenario analysis.
• Microsoft Azure Migration Service Azure Landing Zone deployment and Rehost-to-Refactor migration using Microsoft CAF best practices, IaC with Terraform/Azure Bicep and GitHub Actions/DevOps pipelines; Standard package delivers VNet Hub & Spoke, App Service/Azure SQL, Azure Monitor and Defender for Cloud.
• Microsoft Azure Billing Service CSP-based Azure resale with no setup/monthly fees, yen-based invoicing, and built-in governance/security (RBAC, Entra ID); bundled with development and operations-consulting support.
• Microsoft Azure Security Assessment Penetration test and CIS Benchmarks-based configuration audit of Azure VMs, OS, servers and network devices combining automated scanners (Nessus) with manual analysis by certified ethical hackers (OSCP/CEH) to detect logic-level and configuration flaws.

Quantifiable outcome

• 670+ companies supported across 1,300+ projects (per Sun* Vietnam brochure)
• +10 more outcomes

Named customers44 records

Segments7 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

AI capability18 records

Feature12 records

Partnerships

Ten partnerships are on record, tiered core — foundational platform for ai*agent base offering, flagship — advanced tier partner enabling cloud migration, iac, finops, managed billing-resale, and 24/7 monitoring services, flagship — solutions partner for data & ai used to anchor cloud, ai and sap modernization offerings, core — used for big-data/ai projects where sun* delivers gcp-native architecture and vertex ai-based solutions, supporting — used across marketing automation, lead capture and content download flows, flagship — owned talent platform underpinning in-housing engagements and offshore engineering scale, project — used as customer-engagement channel for the t&d insurance group 'pia connect' service, project — integrated via loose-coupled, side-by-side architecture in harada shindo production-management system, supporting — site analytics tool and supporting — referenced as compliance baselines for vulnerability testing services.

• Dify / LangGeniuscore — foundational platform for ai*agent base offeringTechnology or Integration · 1 March 2025Dify is the open-source no-code/low-code platform that Sun*'s AI*Agent Base is built on. Sun* delivers enterprise private-cloud Dify deployments with RAG, knowledge management, governance, and integrations to existing systems; the typical deployment schedule is 4–6 months.
• Amazon Web Services (AWS)flagship — advanced tier partner enabling cloud migration, iac, finops, managed billing-resale, and 24/7 monitoring servicesTechnology or Integration · 1 December 2024Sun* holds AWS Advanced Tier Services Partner status. Joint solutions span cloud migration (Rehost→Refactor with MGN), IaC (Terraform/CloudFormation), FinOps, managed AWS billing-resale (Entry/Standard/Enterprise plans), 24/7 monitoring, and security assessment. Sun* holds multiple AWS certifications (Developer Associate, DevOps Engineer Professional, SysOps Admin Associate, Solutions Architect Associate/Professional).
• Microsoft Azureflagship — solutions partner for data & ai used to anchor cloud, ai and sap modernization offeringsTechnology or Integration · 1 January 2024Sun* is a Microsoft Solutions Partner — Data & AI (Azure). Deliverables include Azure migration (Rehost to Refactor with AKS/App Service/Serverless), Azure billing-resale via CSP, Entra ID (Azure AD) integration, Defender for Cloud monitoring, and Azure-based AI*Agent Base deployments. Joint Microsoft CAF methodology applied to governance engagements.
• Google Cloudcore — used for big-data/ai projects where sun* delivers gcp-native architecture and vertex ai-based solutionsTechnology or Integration · 1 January 2024Sun* offers Google Cloud services including Vertex AI, BigQuery and Cloud-native architecture design. Examples include a beverage taste-expression recommendation model on GCP Vertex AI / Gemini and BigQuery-based analytics.
• HubSpotsupporting — used across marketing automation, lead capture and content download flowsGTM or Marketing Partner · 1 January 2024HubSpot powers Sun*'s marketing site analytics, lead-capture forms, downloadable whitepapers (e.g., Sun* case studies collection, Sun* Vietnam brochure), and newsletter operations; data transmission disclosed in the privacy policy.
• xseeds Hub (Sun* program, multi-country)flagship — owned talent platform underpinning in-housing engagements and offshore engineering scaleStrategic or Co-development Partner · 1 January 2024Sun*'s xseeds Hub is a global engineering-talent platform operating Sun*-designed IT curriculum at top universities in Vietnam, Indonesia, Malaysia and Brazil, with 2,000+ registered students; students receive 600+ hours of Japanese-language instruction (JLPT N3+) and 2 years of pre-hire internship within Sun* development teams. Used to support client in-housing (e.g., michiteku).
• LINE (LY Corporation / LINE API)project — used as customer-engagement channel for the t&d insurance group 'pia connect' serviceTechnology or Integration · 1 January 2024LINE API integrated into Sun*-built solutions for T&D Insurance Group's 'Pia Connect' LINE-based health-support service, enabling rapid customer reach and integration with partner apps (Karomiru, GOLD'S GYM, Minchalle).
• SAP (Public Cloud)project — integrated via loose-coupled, side-by-side architecture in harada shindo production-management systemTechnology or Integration · 1 January 2024Sun* integrates with SAP Public Cloud using a 'Fit to Standard' / 'Clean Core' strategy. In the Harada Shindo case, Sun* built a bespoke production-management system that is side-by-side and loosely coupled to SAP Public Cloud, with SAP handling standardized coordination areas and Sun*'s system handling competitive-differentiator production management.
• Google (Google Analytics)supporting — site analytics toolGTM or Marketing Partner · 1 January 2024Google Analytics used to analyze site visitor behavior; data transmission disclosed in the privacy policy (transmitted to Google LLC).
• OWASP / OSSTMM / PCI-DSS (security standards bodies)supporting — referenced as compliance baselines for vulnerability testing servicesOthers · 1 January 2024Sun*'s cyber-security test service aligns its vulnerability assessments and penetration tests with internationally recognized security standards: OWASP (Web/Mobile testing checklists and Top 10), OSSTMM (Open Source Security Testing Methodology Manual), PCI-DSS (payment card industry) and GDPR. Used as the basis for service methodology and reporting structure.

Scale indicators10 records

Recent moves8 records

Expansion highlights6 records

Broad incumbents

• Wipro: Global IT-services firm offering cloud, AI/Gen-AI, cybersecurity and DevOps consulting — competes for enterprise transformation engagements and shares the offshore-engineering cost model.
• Infosys: Global IT services major with deep offshore delivery (India) and Finacle-style productized platforms; comparable offshore-engineering business model and a growing AI/cloud practice for enterprise clients.
• Fujitsu: Diversified Japanese IT-services and cloud player offering AI, DevOps, application modernization and managed services — competes for the same large-enterprise DX wallet as Sun* but at much larger scale.
• Cognizant: US-headquartered IT services company with a digital engineering / AI practice — directly comparable on AI-driven application development, cloud migration and managed services for enterprise clients.
• NRI (Nomura Research Institute): Premium Japanese IT-consulting and SI firm with strong financial-services and enterprise DX practices — overlaps with Sun*'s enterprise consulting-led motion and long-cycle co-creation engagements.
• Accenture (Japan): Global consulting leader with a substantial Japan practice covering cloud migration, AI/Gen-AI, DevOps and managed services — competes for the same Japanese enterprise transformation mandates as Sun*.
• NTT Data: Japan's largest SI providing enterprise consulting, cloud (Azure-led), AI/data and offshore delivery across virtually the same customer set — a broad incumbent that competes with Sun* on large DX programs.

Others

• Money Forward: Japanese SaaS/Fintech player that publicly selected Sun* as its first overseas engineering partner — overlap on financial-services customers and a useful buyer-side comparable for Sun*'s enterprise SaaS build capabilities.

Direct peers

• BIPROGY: Mid-tier Japanese system integrator with a comparable mix of custom software development, cloud migration and managed services for Japanese enterprises — closest pure-play domestic peer in scale and customer profile.

Regional players

• MonotaRO: Japanese digital-native business operating at scale in MRO e-commerce — adjacent rather than directly competitive, but a useful comparable for a Japanese-listed tech-enabled services business with similar cost-of-capital dynamics.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/sunasterisk

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries8 records

Funding overview

Funding rounds6 records

Investors11 records

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

M&A2 records

Investments6 records

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

Frequently asked questions about Sun Asterisk