SAP S/4HANA modernization without unnecessary complexity

Support for S/4HANA readiness, ECC migration, Clean Core alignment, custom code remediation, BTP extensions, and post-migration optimization.

Talk through your S/4HANA roadmap

Modernize SAP without losing control of the business

S/4HANA programs are rarely just technical migrations. They affect core processes, custom code, integrations, data, reporting, user experience, and long-term platform decisions. As SAP continues to emphasize Clean Core, SAP BTP-led extensibility, governed data, automation, and AI-enabled processes, S/4HANA decisions now shape much more than the migration itself.

For many teams, the challenge is not knowing whether to modernize. It is finding the capacity and practical expertise to move forward without disrupting the SAP environment the business depends on every day.

Horizontal helps SAP teams plan, modernize, and support S/4HANA environments — addressing readiness, custom code remediation, integrations, extensions, optimization, and ongoing managed services without adding unnecessary complexity.

Support across the S/4HANA journey

Whether you are preparing for migration, already running S/4HANA, or modernizing a complex SAP environment, Horizontal helps address the work that often slows progress.
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S/4HANA readiness and planning
Assess your current SAP environment and identify the technical, operational, and delivery considerations that need to be addressed before moving forward.
Team members gather around a laptop during a collaborative technology discussion.
ECC to S/4HANA migration support
Support migration planning and execution with SAP expertise that helps reduce disruption, manage complexity, and keep delivery moving.
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Clean Core alignment
Evaluate customizations, extensions, and development decisions through a Clean Core lens so your SAP environment is easier to maintain, upgrade, and extend.
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ABAP modernization and custom code remediation
Address legacy code, technical debt, performance issues, and remediation needs that can create risk before, during, or after an S/4HANA move.
Computer monitor displaying code with teal graphic lines overlaid across the workspace.
SAP BTP extensions and integrations
Use SAP BTP as a cleaner way to extend, integrate, and automate around the core – supporting workflows, integrations, and innovation without adding unnecessary SAP complexity.
Team members discuss a backend architecture diagram on a whiteboard during a technical planning session.
Post-migration optimization and support
Stabilize, improve, and evolve your S/4HANA environment with support across development, managed services, enhancements, and ongoing delivery needs.
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Protect Clean Core principles while still meeting business demand

Clean Core does not mean business needs stop changing. It means SAP teams need a more intentional approach to customizations, extensions, integrations, and development decisions.

Horizontal helps organizations evaluate what to simplify, what to remediate, and where to extend through SAP BTP or other fit-for-purpose approaches. The goal is to support business requirements without creating unnecessary complexity inside the SAP core.

Custom code review and remediation support
ABAP modernization and development capacity
Extension and integration planning
SAP BTP alignment
Ongoing support for evolving business needs
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Build an SAP foundation ready for BTP, automation, and AI

SAP is embedding AI, automation, and governed workflows more deeply into business processes, making S/4HANA decisions more connected to what organizations can do next.

A cleaner, more modern SAP environment makes it easier to extend capabilities through SAP BTP, connect systems and workflows, improve data readiness, and support AI-enabled processes without adding unnecessary risk to the core.

Horizontal helps teams make those decisions practically — connecting modernization goals to the development, integration, remediation, and support work needed to execute.

SAP support for your S/4HANA roadmap

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SAP BTP Services
Extend, integrate, and automate around the SAP core through SAP Business Technology Platform.
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SAP Development Services
Support SAP application development, enhancements, integrations, and modernization work.
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ABAP Development Services
Address custom code, remediation, performance, and development needs across SAP environments.
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SAP Managed Services
Get ongoing support to stabilize, maintain, and optimize SAP systems after implementation or migration.

SAP S/4HANA services FAQs

What are SAP S/4HANA services?

SAP S/4HANA services can include readiness planning, ECC-to-S/4HANA migration support, custom code remediation, Clean Core alignment, SAP BTP extensions, integrations, optimization, and ongoing managed support.

Can Horizontal support both ECC and SAP S/4HANA environments?

Yes. Horizontal can support organizations operating on ECC, planning for S/4HANA, actively migrating, or optimizing an existing S/4HANA environment.

How does Clean Core relate to S/4HANA?

Clean Core helps reduce unnecessary customization inside the SAP core so the environment is easier to maintain, upgrade, and extend. For S/4HANA programs, this often affects custom code, integrations, extensions, and development decisions.

Where does SAP BTP fit into an S/4HANA roadmap?

SAP BTP can help organizations extend SAP capabilities, integrate systems, automate workflows, and support innovation without adding unnecessary complexity to the SAP core.

Can Horizontal help after S/4HANA migration?

Yes. Horizontal can support post-migration stabilization, optimization, enhancements, development, integrations, managed services, and ongoing SAP delivery needs.