From Patchwork to Precision: Stitching Together Finance Operations in a Fragmented ERP World

The ERP patchwork problem

Multi-ERP environments are common in large businesses — often a result of mergers and acquisitions, regional or business-specific needs, regulatory requirements, or the coexistence of legacy and modern systems like SAP ECC and S/4HANA.

However, running two or more ERPs simultaneously comes with some unwelcome side effects: fragment processes (forcing teams to navigate disjointed approvals), scattered customer data, and endless system switching. These can be compounded by manual handoffs and redundant tools, leading to disjointed performance tracking. Not only do setups like these erode efficiency and complicate daily operations, they can leave everyone — employees, suppliers, and customers — frustrated by the lack of cohesion.

Process volatility across finance operations

Inconsistencies like poor visibility, unreliable controls, and heightened compliance risks show up quickly in individual finance processes:

• Accounts payable (AP) grapples with varying invoice validation rules and approval thresholds.
• Accounts receivable (AR) relies on localized collection strategies and disjointed dispute management.
• Supplier onboarding becomes a patchwork of regional requirements.

Standardizing finance processes is the most effective way to address these kinds of situations swiftly. The best part? It’s not necessary to wait until your ERPs are consolidated, as projects like those often take a long time.

Introducing a shared process model to quickly restore visibility, enforce governance, and unlock efficiency ensures consistency across systems and reduces fragmentation while allowing flexibility in ERP options.

What is a unified process layer & how can it tie together loose ends? 

A process management layer between an ERP and other finance applications creates a shared operational environment across business units, countries, and ERP instances. It connects users, workflows, documents, controls, and data without replacing the ERPs that house your core accounting and transaction records.  

What a business-wide process layer provides for finance teams

Consistent workflows ensure invoices, purchase requests, customer orders, and disputes follow standardized routing and approval logic, governed centrally while allowing local flexibility where needed.

Shared business controls enforce consistent approval thresholds, segregation-of-duties rules, exception handling, and audit trails, minimizing shadow processes and manual workarounds.

Universal visibility delivers consolidated operational dashboards that track process performance across ERPs. Cycle time analysis, workload distribution, and exception monitoring can all be easily tracked without manual data reconciliation.

A consistent user experience through a single, unified interface boosts productivity, simplifies training, and accelerates user adoption.

Scalable automation creates standardized processes across entities and defines a common operating model while also adapting to growth.

How a unified process layer benefits every finance function

Accounts payable 

AP teams often struggle with the chaos of multi-ERP setups. When invoices arrive through different channels, they often follow varying rules which require manual fixes that can introduce errors. A shared process layer standardizes the entire AP workflow, from capture and validation to approval and posting. Each ERP handles its part while the organization maintains consistent controls and visibility.

Procurement & supplier management 

Procurement processes within companies often differ widely across regions and teams. Global policy enforcement becomes inconsistent if there’s a mix of emails, spreadsheets, and ad-hoc workflows. With a shared process layer, workflows for supplier onboarding, purchase requests, approvals, and more are aligned, while decentralized operations can still adapt to individual team or local needs.

Accounts receivable

Customer and invoice data scattered across multiple ERPs means fragmented collection strategies and siloed dispute tracking. By connecting AR workflows through a common layer that supports prioritization, cash application, credit management, and cross-team collaboration, you create a consistent approach to cash management and customer relationships, even with diverse back-end systems.

Customer service

Customer service teams shouldn’t have to navigate a maze of ERPs to track orders or resolve inquiries. A unified workflow layer centralizes access to critical actions and data, and allows seamless handling of pricing checks, orders, and claims. This reduces response times and delivers a cohesive customer experience.

Shared services

For shared services and global business services teams, ERP standardization alone won’t deliver consistent service levels, productivity, or global visibility — especially when processes vary across regions and entities. A common process layer acts as a governance structure that enables centralized execution in the short-term while allowing for the gradual harmonization of workflows on the ERP side.

The company-wide advantages of a unified process layer

Mergers and acquisitions require fast financial integration, yet rushing ERP consolidation can actually hinder progress. A shared process layer lets acquired businesses retain their systems while adopting standardized workflows for approvals, controls, and reporting, boosting operational control with minimal disruption.

Finance operations benefit from a common process model that delivers better visibility, consistent controls, and faster processing. Reducing manual work and standardizing performance metrics enables seamless shared-services operations and supports scalable growth.

A two-tier ERP strategy (using one ERP for corporate oversight and lighter platforms for subsidiaries) is becoming more and more common. A unified process layer over the top preserves flexibility while allowing organizations to retain existing investments, reduce consolidation pressure, minimize customizations, and support gradual modernization. It also improves governance, speeds up integrations, and aligns operational transformation with IT roadmaps.

How Esker helps standardize processes across ERP landscapes 

Esker enables consistent source-to-pay, order-to-cash, and customer service workflows across diverse ERPs (including SAP, Oracle, Microsoft Dynamics, and legacy systems) through flexible integrations. By adding a shared process layer on top of your ERP environment, it standardizes operations, centralizes visibility, and modernizes workflows without requiring immediate ERP consolidation. Your business can evolve at its own pace while keeping existing systems intact.

Consolidate execution, not just systems

There’s no need to embark on complicated projects to untangle complicated ERP landscapes before you can start standardizing processes. Achieving unified workflows, controls, and visibility for finance, procurement, and customer service teams is exactly what a unified process layer allows you to achieve. It creates a shared operating model that balances today’s complexity with tomorrow’s architecture. This approach separates finance transformation from ERP consolidation, which in turn fosters progressive modernization and adaptability without massive system overhaul projects. The result is your business operates as a unified entity, even with multiple ERPs.

For a more in-depth examination of what a unified process layer like Esker can do to transform finance operations, check out The Present & the Future of Agentic AI for the Office of the CFO.
 

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