Integrative Systems

What Integrative Systems does

Integrative Systems is a privately held US enterprise technology consulting firm founded in 2001 and headquartered in Lombard, Illinois (Chicago metro), with a Centre of Excellence in Pune, India. The company specializes in IBM i/AS400 services — modernization, integration, cloud migration, automation, GUI modernization (5250 green screen to modern UI), and 24x7 managed support — alongside Microsoft .NET, SQL Server, Azure, Dynamics 365, Power BI, and Oracle JD Edwards/BPCS/Monarch ERP consulting. Its technical core spans legacy IBM i stacks (RPGLE, CLLE, COBOL, DB2/400, WebSphere) and modern Microsoft platforms, with EDI and REST/SOAP integration connecting legacy systems to cloud, ERP, CRM, and WMS platforms.

The firm maintains an in-house bench of 100+ certified AS400 developers and serves 85+ enterprise clients across manufacturing, retail, banking and finance, education, and nonprofit verticals, citing 90%+ client retention. Revenue is generated primarily through time-and-materials and project-based professional services engagements plus recurring managed services contracts, with consultative quote-based pricing and no publicly disclosed standard tiers. Distribution is entirely direct-to-enterprise, supported by an IBM Silver Business Partner channel relationship, HubSpot-powered inbound scheduling, SEO-optimized technical content, and active participation in IBM i community events such as Common POWERUp 2025 and 2026.

The company has appeared on the Inc. 5000 list of America's Fastest-Growing Private Companies five times through 2025, holds SOC 2 and ISO certifications, and operates without disclosed private equity, venture, or parent-company ownership, appearing to be founder/management-led under CEO Rajesh Rajan, COO Mike Stein, and CFO Jay Amond.

Name

Integrative Systems

Legal name

Integrative Systems

Website

https://integrativesystems.com

Company type

Private

Founded year

2001

Operating status

Operating

Headcount range

251–500 employees

Short description

Integrative Systems is a US-based enterprise IT consulting firm specializing in IBM i/AS400 modernization, managed services, and Microsoft .NET/Power BI consulting, serving 85+ enterprise clients across manufacturing, retail, and finance from Chicago and a Pune, India delivery center.

Ownership category

akta.pro rank

Product category

Enterprise IT Consulting and Legacy System Modernization Services

NAICS

Computer Systems Design and Related Services (5415), Custom Computer Programming Services (541511), Computer Systems Design and Related Services (54151)

SIC

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

akta.pro industry

PRIMARYBPAEAGAA

ERP Implementation & Systems Integration Services

Business & Public Services/IT & Digital Services (Managed Services, Systems Integration)/Enterprise Applications Services (ERP/CRM/HRIS)

SECONDARYBPAEAGAH

Enterprise Integration, iPaaS & Middleware Services (API/EDI)

Business & Public Services/IT & Digital Services (Managed Services, Systems Integration)/Enterprise Applications Services (ERP/CRM/HRIS)

SECONDARYBPAEAAAB

Systems Integration & Implementation Services

Business & Public Services/IT & Digital Services (Managed Services, Systems Integration)/IT Consulting & Systems Integration

Keywords

• IBM i AS400 services
• Legacy system modernization
• Enterprise IT consulting
• Microsoft .NET development
• Managed IT infrastructure

Headquarters

HQ city

Illinois City

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Professional Services – IBM i/AS400 Consulting & Development: Revenue primarily from consulting engagements and custom software development engagements for IBM i/AS400 systems, including modernization, migration, integration, and application development projects. Billed via project-based or time-and-materials contracts.
2. Managed Services – IT Infrastructure & Support: Recurring managed services revenue from 24/7 IT infrastructure support, system monitoring, and help desk services. Billed on a recurring contract basis.
3. Back-Office Optimization Services: Outsourced accounting, accounts payable/receivable, FP&A, and customer support services generating revenue through service contracts.
4. Microsoft Technology Services: .NET development, Azure, Dynamics 365, SQL Server, and Power BI consulting engagements billed project-based or via service contracts.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

Integrative Systems is an enterprise IT consulting and managed services firm that delivers IBM i/AS400 modernization, support, integration, cloud migration, automation and GUI modernization services, alongside Microsoft .NET, Power BI, Dynamics 365, Azure and ERP (JD Edwards, BPCS, Monarch) consulting. It also provides 24/7 IT infrastructure managed services and back-office optimization including accounts payable/receivable, customer support and graphic design for mid-to-large organizations running legacy enterprise systems.

Product overview

Integrative Systems is a 25+ year old enterprise technology consulting firm that offers a comprehensive portfolio of IT services organized around four core pillars: Business Software Applications, IT Infrastructure Support, Data Management & Analytics, and Back Office Optimization. The company's primary expertise lies in IBM i/AS400 solutions (including modernization, support, integration, cloud migration, and automation), Microsoft .NET solutions, and ERP services (JD Edwards, BPCS, Monarch). The Data Management practice centers on Power BI services for business intelligence. The Back Office Optimization offerings include accounts payable/receivable services, customer support, and graphic design. This is a services-led consulting firm rather than a software product company—the named offerings are service portfolios and capabilities rather than discrete software products.

Differentiator

Problem solved

Functional benefit

Products and services

• IBM i/AS400 Solutions Comprehensive suite of IBM i/AS400 services including modernization, support, integration, cloud migration, and automation services for legacy AS400 systems, targeting enterprise organizations running IBM i workloads.
• IBM i/AS400 Modernization Services Transforms legacy IBM i/AS400 applications into modern, agile solutions without disrupting core business processes, including RPG modernization, database upgrades and GUI modernization for enterprise clients.
• IBM i/AS400 Application GUI Modernization Transforms 5250 green screens into modern, user-friendly interfaces that boost productivity, reduce training time and enhance user experience for enterprise IBM i users.
• IBM i/AS400 Support Services 24x7 support services covering application, production, technical, integration, maintenance, troubleshooting and migration support for IBM i/AS400 environments.
• IBM i/AS400 Consulting Services Expert consulting for IBM i/AS400 modernization, integration, cloud migration, GUI modernization, automation and ongoing support and maintenance for enterprise clients.
• IBM i/AS400 Integration Services Connects IBM i/AS400 applications with modern enterprise systems, cloud platforms, ERP, CRM, WMS, EDI and other third-party applications through APIs and middleware.
• IBM i/AS400 Cloud Migration Migration of IBM i/AS400 workloads to cloud or hybrid infrastructure while preserving critical applications and data for enterprise clients.
• IBM i/AS400 Automation Services Automates tasks and processes on IBM i/AS400 including job queue automation, system monitoring, backups, reporting and green screen automation for enterprise clients.
• Hire IBM i/AS400 Developers Staff augmentation service providing access to experienced RPG, COBOL and AS400 developers for project-based or ongoing engagements with enterprise clients.
• Microsoft .NET Solutions Full-stack Microsoft services including .NET development, SQL Server, Azure, Dynamics 365, SharePoint, Office 365, Hyper-V and Power Apps for enterprise clients.
• Power BI Services Power BI consulting, implementation, integration, cost optimization, security configuration and ongoing support for enterprise analytics and reporting.
• JD Edwards Solutions Comprehensive Oracle JD Edwards ERP services including 24/7 support, automation, integration, upgrade services and CNC assessment for enterprise clients.
• BPCS Solutions Software development, support, functional roadmaps, technical consulting, EDI, integrations, migration, web development, inventory management and shop floor control for BPCS ERP.
• Monarch ERP Software End-to-end ERP solution to streamline complex business operations and processes, enhancing operational efficiency and resource management for enterprise clients.
• 24/7 IT Infrastructure Support Round-the-clock IT infrastructure support covering servers, databases, security, upgrades, maintenance, troubleshooting and cloud infrastructure management for enterprise clients.
• IT Infrastructure Managed Services Comprehensive managed services for IT infrastructure including monitoring, maintenance, security management and system optimization for enterprise clients.
• Accounts Payable and Receivable Services Back-office optimization services including accounts payable, accounts receivable, collections management, invoice processing and AR performance commitment (90 days) for enterprise clients.
• Customer Support Services Holistic and personalized customer service solutions with dedicated customer service teams providing prompt and seamless support for enterprise clients.

Quantifiable outcome

• 2-3X increase in operational efficiency for IBM i/AS400 customers
• +9 more outcomes

Named customers20 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration6 records

Feature5 records

Partnerships

One partnership is on record.

• IBMcoreChannel Partner/ Reseller/ DistributorIBM Silver Business Partner status. As an IBM Silver Business Partner, Integrative Systems accesses co-sell opportunities, IBM's customer ecosystem, and technical enablement resources for delivering IBM i/AS400 consulting, modernization, and managed services. The partnership provides credibility and preferential positioning in IBM's partner network.

Scale indicators6 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Fresche Solutions: Fresche Solutions is a leading IBM i specialty consulting and modernization firm offering application modernization, RPG development, and managed services. It is the most direct competitor to Integrative Systems in the IBM i/AS400 services niche, serving similar manufacturing and retail verticals with comparable offerings.
• Profound Logic Software: Profound Logic specializes in IBM i modernization tools and services, including web and mobile enablement of RPG applications. It competes directly with Integrative Systems' GUI modernization and IBM i integration practices for the same legacy modernization budget.
• Maxava: Maxava delivers high-availability, disaster recovery, and cloud solutions specifically for IBM i/AS400 environments. It overlaps with Integrative Systems' IBM i cloud migration and managed services offerings in the same customer base.
• BCD Software: BCD Software provides IBM i modernization, reporting, and output management solutions. It is a niche competitor to Integrative Systems' IBM i modernization and integration services for the same AS400 customer base.
• LANSA: LANSA provides low-code application development and modernization tools for IBM i, enabling RPG and COBOL applications to be modernized to web and mobile. It competes with Integrative Systems' GUI modernization and application development services.
• Ensono: Ensono is a managed services provider with deep IBM i and AS400 heritage, offering hybrid cloud and infrastructure management. It competes with Integrative Systems' 24/7 IT infrastructure managed services and IBM i cloud migration offerings.

Broad incumbents

• Kyndryl: Kyndryl, the IBM infrastructure services spinoff, manages large IBM i/AS400 environments and provides hybrid cloud modernization for enterprise clients. As a broad incumbent, it offers overlapping IBM i capabilities but as part of a much wider infrastructure services portfolio.
• HelpSystems (Fortra): HelpSystems (now Fortra) provides a broad suite of IBM i security, monitoring, automation, and modernization software and services. It overlaps with Integrative Systems' IBM i automation and managed services, but as part of a much larger enterprise software portfolio.
• Accenture: Accenture is a global IT services giant with legacy modernization and ERP practices (including JD Edwards and SAP migrations). It competes for the same enterprise modernization budgets that Integrative Systems targets, particularly at the high end of the manufacturing and retail verticals.
• TCS (Tata Consultancy Services): TCS is a global IT services firm with deep IBM i and ERP modernization capabilities, leveraging large-scale offshore delivery. It competes for the same enterprise consulting and managed services engagements that Integrative Systems pursues, often at lower price points.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/14629489
• Facebookfacebook.com/integrativesystems1

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 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 Integrative Systems