ISTN

What ISTN does

ISTN is a South Korea-based SAP Gold Partner founded in 2002, specializing in enterprise software consulting, SAP implementation, cloud migration, and proprietary SaaS solutions. The company serves large enterprise clients across manufacturing, financial services, distribution, and public sectors, with a portfolio of 150+ enterprise SAP implementations and 100+ ongoing maintenance contracts including customers such as CJ CheilJedang, Hyundai Powertech, Nexen Tire, KB Kookmin Bank, and Korea Tobacco & Ginseng Corporation.

ISTN's technology platform is organized into three solution pillars: ISTN Suite (business process automation including AutoOne, AutoOne Conversion, and iACCOUNTING), ISTN Technology (AI-powered solutions including Vox360.ai conversational AI assistant and iVISION OCR document processing), and ISTN Infrastructure (iFLOW approval workflows, iSECURE database encryption co-developed with Penta Security, iLMS license management, and iAGING data archiving). The company also offers Taxbill365 electronic tax invoicing, iCMS cash management with KB Kookmin Bank integration, WeHub for SAP treasury (with Webcash), Supply Chain Finance for SAP (with NICE), and MS Teams x SAP integration (with Azure OpenAI). In July 2025, ISTN became the first Korean company to deploy SAP's Joule for Consultants AI assistant.

ISTN's revenue model combines project-based SAP consulting services, recurring managed services (AWS, Azure, SAP HEC), subscription-based proprietary SaaS sold via SAP Store and direct enterprise sales, and custom enterprise application development. Following the April 2025 merger with INF Consulting via stock swap, the combined entity rebranded as Blueward (블루어드) in November 2025, generating 1,670 billion KRW in 2025 combined revenue with a 2,500 billion KRW target by 2028 and a 2027 IPO target. ISTN America provides initial international reach through Los Angeles, San Francisco, and Atlanta operations.

Name

ISTN

Legal name

(주)아이에스티엔

Website

https://istn.co.kr

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

51–100 employees

Short description

ISTN is a South Korea-based SAP Gold Partner providing enterprise consulting, SAP S/4HANA implementation, and proprietary SaaS solutions including Vox360.ai conversational AI and iSECURE database encryption. Founded in 2002, the company serves large Korean enterprises in manufacturing and financial services, and merged with INF Consulting in 2025 to rebrand as Blueward targeting a 2027 IPO.

Ownership category

akta.pro rank

Product category

SAP Enterprise Consulting and ERP Services

NAICS

Computer Systems Design Services (541512), Custom Computer Programming Services (541511), Computer Systems Design and Related Services (54151), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182)

SIC

Services-Computer Programming, Data Processing, Etc. (7370), Services-Computer Programming Services (7371), Services-Computer Integrated Systems Design (7373), Services-Management Consulting Services (8742)

akta.pro primary industry

ERP Implementation & Systems Integration Services (BPAEAGAA)

akta.pro secondary industries

ERP Managed Services & AMS (Application Management) (BPAEAGAB), ERP Extensions & Add-ons (CPQ, Billing, Revenue Management) (HDAEAEAO), Systems Integration & Implementation Services (BPAEAAAB), ERP/CRM/HRIS Implementation & Integration (BPAEAAAE)

Keywords

• SAP consulting services
• Enterprise ERP implementation
• SAP S/4HANA migration
• Enterprise SaaS solutions
• Cloud managed services

Headquarters

HQ city

Songpadong

HQ country

South Korea

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. SAP Consulting Services: Professional consulting services including SAP implementation, migration, upgrade, and system integration for enterprise clients. Revenue generated through project-based engagements and ongoing support contracts.
2. SAP Managed Services: Ongoing managed services including cloud service management (AWS, Azure, SAP HEC), application management, infrastructure management, and education support.
3. Proprietary Software Solutions: SaaS solutions developed for SAP ecosystem including Vox360.ai, iSECURE, iCMS, iVISION, Taxbill365, WeHub for SAP, and supply chain finance solutions. Sold through SAP Store and direct enterprise sales.
4. Enterprise Application Development: Custom enterprise application development and side-by-side extension services for SAP environments.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels4 records

Core offering

ISTN provides consulting, licensing, and solution delivery for SAP enterprise software, including SAP S/4HANA implementation, conversion, cloud migration, upgrade, and managed services. The company also develops and sells proprietary SaaS add-ons for the SAP ecosystem—covering AI, automation, database security, tax invoicing, cash management, and treasury—and distributes them through the SAP Store alongside direct enterprise sales. Post-merger with INF Consulting, ISTN also offers strategy and digital transformation consulting, positioning the combined Blueward entity as a full E2E digital innovation platform.

Product overview

ISTN is a comprehensive enterprise software consulting firm and SAP Gold partner offering a platform-plus-module product architecture organized into three solution pillars: ISTN Suite (business process tools: AutoOne, AutoOne Conversion, iACCOUNTING), ISTN Technology (AI-powered tools: Vox360.ai conversational AI assistant, iVISION document AI), and ISTN Infrastructure (operational tools: iFLOW approval, iSECURE database encryption, iLMS license management, iAGING archiving). The portfolio also includes specialized add-on modules listed on SAP Store — Taxbill365 for electronic tax invoices, iCMS for cash/banking management, and MS Teams x SAP integration — alongside core SAP implementation, managed cloud services (AWS, Azure, SAP HEC), and the newly co-developed WeHub for SAP (treasury with Webcash) and Supply Chain Finance for SAP (factoring with NICE). In July 2025, ISTN became Korea's first deployer of SAP's Joule for Consultants AI assistant.

Differentiator

Problem solved

Functional benefit

Brands

• ISTN Suite: Business process solutions for specific work areas including AutoOne, AutoOne Conversion, and iACCOUNTING.
• ISTN Technology
• ISTN Infrastructure

Products and services

• Vox360.ai Enterprise AI conversational assistant that enables SAP users to query business data (financial statements, sales performance) using natural-language text and voice queries; integrates with SAP S/4HANA Cloud, SAP Analytics Cloud, and SAP SuccessFactors and is listed on the SAP Store.
• iSECURE (D'Amo for SAP iSECURE) SAP database encryption solution co-developed with Penta Security providing full-range encryption including SAP Add-On SW, RFC connection segments, and RFC-connected equipment, with patented Emergency Agent module for fault-tolerant encryption during system failures.
• iCMS (ISTN Cash Management Service) Cash management solution combining iBRANCH (KB Kookmin Bank CyberBranch integration enabling banking transactions within SAP Fiori) and iVISION AI OCR for document processing; first APJ solution to achieve SAP IEQPPS certification.
• iVISION AI-based OCR solution using machine learning to extract text and structured data from images of business documents such as registration certificates and PDFs, automatically populating SAP workflows.
• iACCOUNTING

Quantifiable outcome

• SAP consultant work time reduction of up to 1.5 hours per day using Joule for Consultants AI assistant
• +4 more outcomes

Named customers14 records

Segments6 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration12 records

AI capability12 records

Feature13 records

Partnerships

16 partnerships are on record, tiered core and major.

• SAP Korea (SAP 코리아)coreTechnology or Integration · 22 July 2025ISTN became first Korean company to implement SAP's Joule for Consultants AI assistant, applying generative AI across SAP consulting operations to improve productivity and service quality.
• INF Consulting (INF컨설팅)coreStrategic or Co-development Partner · 29 April 2025ISTN merged with INF Consulting through stock swap to become Korea's largest E2E digital innovation platform company. Combined company targets 2,500 billion KRW revenue by 2028 and aims to become 'K-Accenture' with combined SAP cloud and strategy consulting capabilities.
• ITECH Systems (이테크시스템)majorStrategic or Co-development Partner · 19 February 2025MOU signed for hybrid cloud business collaboration targeting public and manufacturing industries' SAP business expansion. ITECH provides cloud SI capabilities including on-premise to cloud migration.
• InnoGrid (이노그리드)majorTechnology or Integration · 19 February 2025MOU signed for hybrid cloud business collaboration. InnoGrid provides intelligent hybrid cloud operation platform with cloud full-stack solutions (IaaS, PaaS, CMP) and supports SAP on Cloud business with private/public cloud infrastructure.
• Nextor (넥스터)majorOthers · 31 July 2024ISTN subsidiary specializing in digital content production and metaverse platform. Nextor signed MOU with KBS for virtual technology implementation and infrastructure development.
• NICE Business Platform (나이스비즈니스플랫폼)majorStrategic or Co-development Partner · 24 July 2024Collaboration to develop 'Supply Chain Finance for SAP' sales receivable factoring service integrated within SAP environment, enabling efficient supply chain finance management.
• WebCash (웹케시)majorStrategic or Co-development Partner · 15 March 2024Collaboration to develop WeHub for SAP financial solution and TaxBill365 for SAP products. WebCash provides financial expertise for internal control and fund management solutions.
• DAQUV (다큐브)majorTechnology or Integration · 25 October 2023Collaboration to develop Vox360.ai enterprise AI work support solution using conversational UI and AI for SAP business processes.
• Coinus (코인어스)coreStrategic or Co-development Partner · 10 October 2023ISTN acquired Coinus, a company specializing in enterprise HR system construction and operation. This acquisition enabled ISTN to become a comprehensive enterprise software consulting company and achieve industry-first 1,000 billion KRW revenue milestone.
• Kakao Enterprise (카카오엔터프라이즈)majorTechnology or Integration · 23 February 2021Collaboration to develop SAP mobile electronic approval system integrated with Kakao Work messenger. Expanded to include purchase, sales, and issue management bots.
• Penta Security (펜타시큐리티)coreTechnology or Integration · 1 January 2012Collaboration since 2012 to develop SAP database encryption solution iSECURE. Solution achieved 100+ projects milestone and includes patented Emergency Agent technology for fault-tolerant encryption.
• Amazon Web Services (AWS)coreTechnology or IntegrationCloud infrastructure partner for SAP cloud services, mentioned in cloud service management offerings.
• Microsoft AzurecoreTechnology or IntegrationCloud infrastructure partner supporting SAP cloud services and Azure Open AI Service integration for Vox360.ai and MS Teams x SAP solutions.
• SAP HEC (SAP Hana Enterprise Cloud)coreTechnology or IntegrationSAP's managed cloud service platform included in ISTN's managed cloud service offerings.
• KB Kookmin Bank (KB국민은행)majorTechnology or IntegrationCyberBranch integration with iBRANCH enabling banking transaction processing within SAP S/4HANA Cloud interface.
• PalantircoreTechnology or IntegrationAI and data software company. Following INF merger, ISTN plans manufacturing data platform using Palantir for AI-based SaaS services targeting manufacturing and financial industries.

Scale indicators13 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• Samsung SDS: Korea's largest IT services company and a major domestic SAP competitor with deep relationships across Samsung Group and Korean conglomerates. Comparable as the leading Korean SI but operates at significantly larger scale and broader scope (cloud, logistics, AI) than ISTN's SAP-centric focus.
• LG CNS: Major Korean IT services arm of LG Group offering SAP implementation, cloud, and digital transformation. Direct competitor for Korean enterprise SAP deals; comparable in SAP practice depth but broader portfolio (finance, manufacturing, public sector platforms).
• Accenture: Global leader in SAP consulting and the explicit benchmark for ISTN's 'K-Accenture' ambition. Operates one of the largest SAP practices worldwide with extensive Korean delivery capability; comparable on SAP implementation, managed services, and proprietary solution development.
• Capgemini: Global SI with a large SAP practice and Korean delivery presence. Comparable on enterprise SAP S/4HANA migration, cloud transformation, and managed services for global Korean clients (e.g., manufacturing).
• Deloitte: Big Four advisory firm with one of the largest global SAP consulting practices. Comparable on large enterprise transformation engagements, ERP strategy, and managed services for Korean conglomerates.
• IBM Consulting: Global SI with deep SAP and hybrid cloud capabilities (including Red Hat). Comparable on large enterprise SAP migrations, managed cloud services (AWS/Azure/SAP HEC), and AI-driven transformation engagements.
• Infosys: Indian global SI with substantial SAP practice and lower-cost delivery model. Competes with ISTN for SAP implementation work for Korean multinationals expanding globally; comparable on scale of SAP talent pool and managed services.

Direct peers

• Douzone: Korean enterprise software and cloud services company with SAP and ERP consulting capabilities. Direct domestic competitor for mid-market and SME SAP implementations in Korea.
• Megazone Cloud: Korean cloud-native SI and largest AWS partner in Korea with growing SAP practice. Comparable on cloud migration services for SAP environments and Korean enterprise digital transformation; emerging competitor in the same client base.
• Hexaware Technologies: Mid-sized global SI with a focused SAP practice (formerly backed by Baring Private Equity Asia). Comparable in scale, SAP-centric delivery model, and managed services offering targeting mid-market enterprises.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/istntweet
• Facebookfacebook.com/ISTN.KR

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries3 records

Funding overview

Funding rounds2 records

Investors2 records

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

M&A

Investments1 record

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

Frequently asked questions about ISTN