LeverX provides SAP S/4HANA migration consulting and end-to-end transformation services for U.S. businesses, from landscape assessment and migration strategy to data migration, custom code remediation, system conversion, testing, cutover, and post-go-live support.
For organizations preparing to modernize their ERP landscape, moving from SAP ECC or another legacy ERP system to SAP S/4HANA involves more than a technical upgrade. It requires informed decisions about business processes, data, integrations, custom developments, and target architecture. A well-planned transformation can help reduce legacy complexity, improve data quality, standardize operations, and establish a foundation for future growth.
With more than 20 years of SAP experience, 1,500+ delivered projects, and 2,200+ professionals worldwide, LeverX combines SAP consulting, engineering, data management, integration, and automation capabilities to support complex transformation programs.
As an SAP Gold Partner, LeverX helps organizations assess their existing environments, compare migration scenarios, prepare data and systems, modernize custom developments, and coordinate the activities required for a controlled transition to SAP S/4HANA.
Whether your organization is considering a Brownfield conversion, a Greenfield implementation, Selective Data Transition, or a broader ERP transformation, LeverX helps define an approach aligned with your current landscape, business priorities, data requirements, and target operating model.
SAP S/4HANA Migration Services Across the Transformation Lifecycle
Choosing an SAP S/4HANA migration partner involves more than selecting a technical implementation provider. Organizations need a partner that can assess the existing SAP landscape, evaluate alternative migration strategies, identify dependencies, and align technical decisions with business objectives.
LeverX provides SAP S/4HANA migration consulting and delivery across the transformation lifecycle:
- Migration assessment and strategy: Evaluate the current SAP landscape, identify risks, and define a practical transformation roadmap.
- Brownfield system conversion: Transition an existing SAP ECC environment to S/4HANA while retaining appropriate processes, configuration, and data.
- Greenfield implementation: Establish a new SAP S/4HANA environment around redesigned processes and a defined target architecture.
- Selective Data Transition: Move selected data and system elements while restructuring the target environment where needed.
- SAP landscape transformation: Consolidate systems, modernize integrations, and address complexity across business units.
- Data migration and management: Extract, transform, cleanse, load, validate, and reconcile business data.
- Custom code remediation: Analyze legacy ABAP developments, address compatibility issues, and reduce technical debt.
- SAP Clean Core consulting: Determine which custom capabilities should be standardized, redesigned, extended, or retired.
- Integration modernization: Prepare SAP and non-SAP applications for the target environment.
- Testing and validation: Verify system functionality, business processes, integrations, and migrated data.
- Cutover and go-live: Coordinate production migration and transition activities.
- Post-go-live support: Stabilize the new environment and support ongoing optimization.
This coordinated approach helps organizations manage technical, data, process, and integration requirements within a structured migration program.
SAP S/4HANA Migration Assessment
A successful migration starts with a clear understanding of the existing SAP environment and the requirements of the target platform.
LeverX conducts SAP S/4HANA migration assessments to evaluate landscape readiness, identify transformation requirements, compare migration options, and establish a roadmap for implementation. The scope depends on the organization's systems, business priorities, operating model, and target deployment environment.
SAP Landscape Readiness
LeverX reviews the existing SAP environment, including system architecture, software versions, infrastructure, interfaces, dependencies, and technical prerequisites for the target S/4HANA environment.
The assessment can identify legacy components, architectural constraints, integration dependencies, infrastructure considerations, and remediation activities that may affect migration planning.
Custom Code and Technical Debt
Existing custom developments can influence migration complexity, testing scope, maintenance requirements, and the adoption of new SAP capabilities.
LeverX analyzes custom ABAP developments and related objects to determine which components should be retained, adapted, replaced with standard SAP functionality, redesigned as extensions, or retired.
This review helps distinguish business-critical functionality from legacy code that adds complexity without sufficient business value. It also establishes a foundation for SAP Clean Core initiatives and a more maintainable target environment.
Data Readiness
Data quality, volume, structure, and dependencies can directly affect migration effort and business continuity.
LeverX assesses master data, transactional data, historical records, and data-quality issues to identify requirements for cleansing, transformation, harmonization, archiving, or selective migration.
The findings help determine which data should move to S/4HANA, what may be retained in an archive, and which issues need to be addressed before migration.
Business Process Assessment
LeverX reviews existing business processes to identify opportunities for standardization, optimization, and redesign within SAP S/4HANA.
The assessment considers custom functionality, manual workarounds, and process differences across facilities, legal entities, and business units. It helps determine where standard SAP capabilities may be sufficient and where configuration, extensions, or differentiated business logic remain necessary.
Integration Landscape
S/4HANA migration can affect connections with CRM, HR, finance, manufacturing, warehouse management, logistics, tax, banking, e-commerce, and third-party applications.
LeverX examines existing interfaces, data flows, integration technologies, and dependencies on legacy systems. This helps determine which integrations should be retained, adapted, replaced, or redesigned for the target architecture.
Cloud Readiness
For organizations considering SAP Cloud ERP or SAP Cloud ERP Private, the assessment can address cloud architecture, integrations, extensions, infrastructure, and operating model requirements.
The goal is to identify the changes needed to support the selected deployment model and avoid carrying unnecessary legacy constraints into the target environment.
Migration Approach, Scope, and Risks
LeverX helps organizations compare Brownfield, Greenfield, Selective Data Transition, and broader landscape transformation options based on system complexity, customization, data requirements, process redesign goals, integration dependencies, and business continuity needs.
The assessment also identifies potential risks, including custom code tied to critical processes, inconsistent master data, legacy interfaces, security requirements, and systems that must remain operational during migration.
These findings help establish priorities, workstreams, dependencies, and a high-level roadmap before implementation begins.
Assessment Deliverables
Depending on the engagement scope, deliverables can include:
- Current-state SAP landscape analysis
- Technical readiness and remediation findings
- Custom code and data assessment
- Integration considerations
- Migration scenario comparison
- Risk and dependency analysis
- Recommended migration approach
- Prioritized remediation activities
- High-level transformation roadmap
These deliverables provide business and IT stakeholders with a shared basis for evaluating the migration, planning resources, and estimating the work involved.
Understand your current SAP environment, identify transformation risks, and define practical next steps before committing to a migration program.
Brownfield SAP S/4HANA Migration
A Brownfield approach converts an existing SAP ECC environment to SAP S/4HANA while retaining appropriate business processes, configuration, and data.
It may suit organizations that want to preserve established operations and relevant system investments while modernizing the underlying ERP platform.
LeverX supports Brownfield migration programs across:
- SAP readiness assessment and system preparation
- SAP ECC system conversion
- Custom code analysis, remediation, and adaptation
- Data migration, cleansing, and archiving
- Business process analysis and adaptation
- Integration assessment and updates
- SAP Fiori and user experience enablement
- Security roles and authorizations
- Testing and validation
- Infrastructure and cloud transformation
- Cutover planning and execution
- Post-go-live support and optimization
The appropriate scope depends on the starting environment, technical constraints, and the amount of process or architectural change required.
Brownfield Migration: A Global Manufacturing Case Study
LeverX supported a global manufacturer of optical fibers, cables, and laser-delivery systems in migrating from SAP ECC to SAP S/4HANA using a Brownfield approach.
The program covered Finance, Production and Quality, Materials Management, Sales, HR, master data, SAP Basis, and custom functionality.
The project included business data migration and a tightly controlled three-day cutover window designed to minimize disruption to manufacturing operations and deliveries. Following migration, LeverX continued supporting the customer with SAP configuration, enhancements, and application support.
The case illustrates the importance of coordinated data migration, testing, and cutover planning in a complex manufacturing environment.
Read the full SAP S/4HANA migration case study →
Greenfield SAP S/4HANA Transformation
A Greenfield implementation establishes a new SAP S/4HANA environment rather than converting the existing system as it stands.
This approach can suit organizations that want to redesign business processes, reduce legacy complexity, standardize operations, or establish a new ERP foundation for future growth.
LeverX supports Greenfield programs across:
- Business process analysis and redesign
- SAP Best Practices adoption
- Solution architecture and design
- SAP S/4HANA implementation
- Data migration and master data management
- SAP and non-SAP integration
- Custom extensions and SAP Clean Core
- Testing and validation
- Cutover and go-live
- Post-go-live support and optimization
Greenfield transformation offers greater freedom to redesign the target environment, but it may also require more process redesign, data preparation, organizational alignment, and change management.
The choice should be driven by business objectives and the condition of the existing landscape, rather than an assumption that a new implementation is always preferable to system conversion.
Selective Data Transition to SAP S/4HANA
Selective Data Transition offers an alternative for organizations that need more flexibility than a traditional system conversion or a completely new implementation.
It allows selected data, processes, and system elements to move to the target S/4HANA environment while other parts of the landscape are redesigned, consolidated, or retired.
LeverX supports Selective Data Transition programs involving:
- Selective data migration and historical data transfer
- Business unit and legal entity migration
- SAP landscape consolidation
- Business process redesign
- System and data transformation
- Acquisitions and divestitures
- Legacy complexity reduction
- Integration adaptation
- Testing and validation
- Cutover and go-live
This approach can be relevant for organizations with multiple SAP systems, complex historical data requirements, or transformation initiatives driven by acquisitions, divestitures, and business restructuring.
It allows organizations to decide which elements should move to the new platform, which should be redesigned, and which can remain outside the target S/4HANA environment.
SAP Landscape Transformation
Large enterprises may operate multiple SAP systems that have evolved through acquisitions, geographic expansion, separate business units, and years of independent development.
Transforming these environments requires coordination across systems, data, integrations, applications, and business processes.
LeverX supports broader landscape transformation programs across:
- SAP system consolidation
- Selective data migration
- Business process harmonization
- SAP S/4HANA migration
- Target architecture design
- Integration modernization
- Organizational transformation
- System decommissioning
- Migration sequencing and planning
The objective is to establish a coherent target landscape rather than treating each ERP system as an isolated migration project.
For organizations with multiple business units or operating companies, this approach can help align migration activities with organizational changes and broader transformation objectives.
Data Migration as a Core SAP S/4HANA Capability
Data migration is a critical workstream in an S/4HANA transformation, particularly when organizations need to move large volumes of business data from complex SAP and non-SAP environments.
LeverX supports the data migration lifecycle, including extraction, profiling, cleansing, transformation, validation, loading, and reconciliation.
The LeverX Data Management Platform, used alongside relevant SAP migration technologies, can support migration activities across legacy and modern enterprise environments.
Depending on the project scope, capabilities may include:
- Data extraction from SAP and non-SAP systems
- Data profiling and quality checks
- Source-to-target mapping
- Data transformation and cleansing
- Data loading into the target SAP environment
- Validation and reconciliation
- Reusable migration templates and accelerators
- On-premises and cloud migration scenarios
These capabilities complement system conversion, process readiness, integration, testing, and cutover planning.
Migrating records successfully is not the same as ensuring that business processes operate correctly after go-live. Data quality, reconciliation, and process-level testing therefore need to be planned together.
AI-Powered SAP S/4HANA Migration
AI and automation can reduce manual effort in selected migration activities, particularly when large volumes of data need to be mapped, transformed, validated, and reconciled across source and target systems.
LeverX applies AI and automation to selected data migration workflows through its Data Management Platform and SAP technologies.
Potential capabilities include:
- Assisted data mapping: Help identify mappings between source structures and target SAP objects.
- Data validation: Identify data-quality issues against defined rules and requirements.
- Data reconciliation: Compare source and target data to help teams identify discrepancies.
- Error analysis: Help identify migration errors and support resolution workflows.
- Migration automation: Reduce repetitive manual work across data preparation and migration activities.
In 2025, LeverX received recognition in the SAP Innovation Awards for its solution, “Agentic AI: Revolutionizing SAP S/4HANA Data Migration with LeverX's Data Management Platform & SAP Cloud.”
LeverX reported the following results for the highlighted solution:
- 60% reduction in manual effort
- 65% faster data reconciliation
- 50% lower migration cost
These figures represent reported results for the highlighted solution, not guaranteed outcomes for every migration. Actual benefits depend on the source data, migration scope, process design, and degree of automation that can be applied.
AI-assisted capabilities can complement data preparation, validation, and reconciliation within the wider migration lifecycle.
Learn about LeverX SAP S/4HANA migration capabilities
Custom Code Remediation and SAP Clean Core
Legacy custom code can affect system conversion effort, testing scope, maintenance requirements, and the ability to adopt new SAP capabilities.
An S/4HANA migration creates an opportunity to reassess the custom functionality accumulated in the existing SAP ECC environment.
LeverX evaluates custom developments to determine the most appropriate course of action:
- Retain and adapt: Modify business-critical code to work with the target S/4HANA environment.
- Replace with standard SAP: Remove custom functionality where suitable standard capabilities exist.
- Redesign as an extension: Rebuild functionality using an appropriate extension approach.
- Move outside the SAP core: Decouple functionality that does not need to execute within the ERP core.
- Retire: Remove obsolete, redundant, or low-value developments.
This supports SAP Clean Core principles by reducing unnecessary modifications and limiting how much legacy complexity carries into the target environment.
For suitable requirements, SAP Business Technology Platform (SAP BTP) can provide capabilities for extensions, integration, workflows, and custom applications. The choice should reflect functional requirements, architecture, and long-term support considerations.
The objective is not to eliminate all custom development, but to retain the functionality the business needs while reducing avoidable technical debt.
Explore LeverX SAP BTP consulting
Integration, Testing, and Cutover
An SAP S/4HANA migration can affect data flows, business processes, interfaces, and dependent systems throughout the enterprise landscape.
LeverX helps organizations assess these dependencies and prepare the surrounding IT environment for the transition.
Key capabilities include:
- SAP and non-SAP integration assessment
- Integration design and modernization
- API and middleware requirements
- Technical and functional testing
- End-to-end business process testing
- Integration testing
- Data validation and reconciliation
- Cutover planning and execution
- Production migration
- Go-live and hypercare support
- Post-go-live stabilization
Testing needs to verify not only technical functionality, but also whether critical business scenarios execute correctly across the application landscape.
Cutover planning should define sequencing, responsibilities, data reconciliation, downtime requirements, contingency measures, and business sign-off.
By coordinating integration, testing, data validation, and cutover, LeverX helps organizations identify issues before go-live and manage the transition through a structured execution plan.
SAP S/4HANA Migration Case Studies
LeverX's migration experience spans manufacturing, automotive, chemicals, consumer goods, retail, telecommunications, utilities, energy and natural resources, life sciences, pharmaceuticals, financial services, banking, insurance, transportation and logistics, and industrial distribution. We work with established SAP ECC environments and complex enterprise landscapes, supporting Brownfield migrations, system transformations, and broader SAP modernization initiatives.
SAP S/4HANA Migration for a Global Manufacturer
LeverX supported a global manufacturer of optical fibers, cables, and laser-delivery systems with a Brownfield migration from SAP ECC to SAP S/4HANA. The project covered Finance, Production and Quality, Materials Management, Sales, HR, master data, SAP Basis, and custom-developed functionality.
Following the SAP Activate methodology, we coordinated the migration around a tightly controlled three-day cutover window to help minimize disruption to manufacturing operations and deliveries. We completed the business-data migration within the planned timeline and continued supporting the client with SAP configuration, enhancements, and application support.
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SAP S/4HANA Migration for Eurasia Group
LeverX supported Eurasia Group in its transition from SAP ECC to SAP S/4HANA, helping modernize its SAP landscape and prepare for further transformation.
The program followed the SAP Activate methodology and covered system analysis, custom-code assessment, business-data migration, integration testing, user training, and production migration. The transformation restored system upgradeability, enabled access to new S/4HANA functionality, and prepared the organization for the subsequent implementation of SAP EWM.
Read the Eurasia Group case study →
SAP S/4HANA Migration for a Global Telecommunications Company
Following an acquisition, we supported a global telecommunications company in migrating from SAP ECC to SAP S/4HANA while transforming its engineering-change processes. The project brought ERP modernization together with engineering and product-data requirements, including SAP ECTR and related workflow capabilities.
We delivered the S/4HANA transformation in ten months and implemented the required engineering-change workflows within two months. The project helped unify the acquired organization's SAP landscape and establish a foundation for further process and product-data transformation.
Read the telecommunications case study →
SAP S/4HANA Migration for AS “RĪGAS SILTUMS”
LeverX supported AS “RĪGAS SILTUMS,” a Baltic heat-energy provider, in its Brownfield transformation from SAP ECC to SAP S/4HANA.
The program included SAP IS-U and focused on migrating the existing SAP environment while retaining historical data, configuration, and established business processes. The scope also covered Finance, Controlling, Materials Management, Sales and Distribution, Plant Maintenance, HCM/Payroll, SAP Fiori, and SAP BW/4HANA.
Read the AS “RĪGAS SILTUMS” case study →
SAP ECC Modernization With Clean Core Extensions
LeverX helped a large manufacturing company modernize its SAP ECC environment and prepare for S/4HANA by moving legacy custom logic toward a Clean Core architecture with SAP BTP.
The work addressed technical debt, custom ABAP, extension architecture, and integration. According to the reported project results, the transformation reduced total cost of ownership (TCO) by 40% and custom development and support costs by 30%, while helping establish a more upgrade-ready SAP landscape.
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SAP S/4HANA Migration for a Global Energy Management Company
LeverX helped a global energy management company migrate from a homegrown ERP system that had been in use for more than 30 years to SAP S/4HANA. The project included complex open sales orders across the United States and Canada.
The scope covered more than 100 migration scenarios, complex data profiling and transformation, downstream system dependencies, data validation and reconciliation, and a tightly constrained production downtime window.
Experience That Supports Complex S/4HANA Transformations
These projects demonstrate LeverX's experience across migration approaches, industries, and levels of complexity - from Brownfield conversion and custom code remediation to large-scale data migration, engineering workflows, and broader ERP transformation.
For U.S. organizations, this experience can inform migration planning, technical decisions, data preparation, integration strategy, and cutover execution. Each engagement still requires an approach tailored to its own landscape, business requirements, and operating constraints.
Why choose LeverX as your SAP S/4HANA migration partner?
LeverX combines SAP expertise, technical capabilities, and enterprise delivery experience to help organizations plan and execute SAP S/4HANA migrations. From initial assessment and migration strategy to implementation, testing, and post-go-live support, LeverX helps businesses address technical complexity while considering operational requirements and long-term SAP goals.
More than 20 years of SAP experience
LeverX brings experience across SAP consulting, implementation, migration, integration, data management, application development, and ongoing support. This broad expertise helps organizations evaluate their existing SAP landscapes, understand dependencies, and plan migration activities in line with their business and technical requirements.
Enterprise-scale delivery
With 1,500+ projects delivered and 2,200+ professionals worldwide, LeverX has experience supporting complex SAP environments and transformation initiatives across business functions and geographies. This experience can help organizations coordinate work across technical teams, business stakeholders, and interconnected systems throughout a migration program.
SAP Gold Partner
As an SAP Gold Partner, LeverX operates within the SAP partner ecosystem and works with SAP technologies across consulting and implementation engagements. This relationship complements LeverX's delivery experience and helps the team align migration planning with the relevant SAP tools, capabilities, and product guidance.
Migration expertise beyond system conversion
SAP S/4HANA migration involves more than moving to a new ERP platform. Organizations may also need to address custom code, data quality, business process changes, integrations, infrastructure, security, and user readiness. LeverX brings together relevant technical and functional capabilities to help assess these dependencies and coordinate migration activities as part of a broader transformation program.
Data and automation capabilities
Data preparation, mapping, validation, and reconciliation can require substantial effort during an SAP S/4HANA migration. LeverX's data management and automation capabilities can support these activities where appropriate, helping teams handle repetitive tasks and make data quality issues easier to identify. The specific approach depends on the source landscape, data complexity, and migration scope.
Global SAP expertise for U.S. businesses
LeverX combines global SAP delivery experience with capabilities to support organizations operating in the U.S. and across international markets. For businesses with multiple entities, distributed operations, or cross-border processes, this experience can help address differences in business requirements, system dependencies, and regional operating models during migration planning.
Support beyond go-live
Migration activities continue after the new environment enters production. Depending on the engagement scope, LeverX can support post-go-live stabilization, issue resolution, application management, enhancements, and performance optimization. This provides a path for addressing issues identified after launch and evolving the SAP landscape as business needs change.
SAP S/4HANA Migration for U.S. Enterprises
For U.S. enterprises, migration planning may need to account for domestic financial reporting, internal controls, tax processes, and the wider enterprise architecture. Applicable requirements depend on the organization's industry, operating model, and regulatory obligations.
Key considerations may include:
- U.S. GAAP: Financial accounting, reporting, and data requirements.
- SOX-related controls: Internal controls over financial reporting, segregation of duties, and audit trails where applicable.
- SEC reporting: Financial reporting processes and data requirements for applicable public companies.
- Federal and state tax processes: Tax determination, reporting, and integration with relevant systems.
- Multi-entity operations: Intercompany transactions, consolidation, and consistent reporting across subsidiaries.
- Manufacturing and distribution: Integration with manufacturing execution systems, warehouse management, EDI, logistics, and third-party applications.
- North American supply chains: Coordination across U.S., Canadian, Mexican, and other regional operations where applicable.
- Payroll and HR: Integration with workforce and payroll systems.
- Security and access governance: Role design, access controls, and alignment with organizational requirements.
- Global templates: Alignment of U.S. operations with a global SAP template and local business needs.
LeverX can incorporate relevant requirements into migration assessment, target architecture, data strategy, integration design, and testing.
SAP implementation alone does not guarantee regulatory compliance. Organizations should validate their accounting, tax, legal, and compliance requirements with qualified advisers.
How the SAP ECC Maintenance Timeline Affects Migration Planning
SAP's maintenance policy for SAP Business Suite 7 and SAP ERP 6.0 is an important consideration for organizations planning their transition to SAP S/4HANA. Applicable maintenance dates and options depend on the product, release, and SAP's current policy.
Organizations should verify the maintenance status of their specific systems using SAP's official documentation and account for it when setting migration priorities, budgets, and timelines.
A practical plan should assess the existing landscape, identify technical and business dependencies, compare migration scenarios, and establish a realistic timeline for remediation, implementation, testing, and cutover.
Starting with a readiness assessment can help clarify the scope of work, expose risks early, and support more informed investment decisions.
Review SAP's official maintenance information
Partner With LeverX for Your SAP S/4HANA Migration
LeverX provides SAP S/4HANA migration consulting and technical delivery, from initial strategy and readiness assessment through transformation, go-live, and ongoing optimization.
Our capabilities include:
- Migration strategy: Assess the SAP landscape and define an approach aligned with business goals.
- System transformation: Support Brownfield, Greenfield, Selective Data Transition, and broader landscape transformation.
- Data management: Extract, transform, validate, and reconcile data from SAP and non-SAP environments.
- Custom code remediation: Adapt, redesign, or retire legacy development while supporting Clean Core objectives.
- Integration: Assess and modernize SAP and non-SAP integrations.
- Testing and cutover: Coordinate validation, migration, production cutover, and go-live activities.
- AI and automation: Apply appropriate technologies to selected data and migration tasks.
- Post-go-live support: Stabilize the new environment and support ongoing optimization.
By combining SAP consulting, engineering, data, integration, and automation capabilities, LeverX helps organizations address the technical and business complexity of S/4HANA migration while keeping the program aligned with broader transformation objectives.
