M&A Finance Integration

Mergers & Acquisitions

A merger, acquisition, or divestiture creates massive finance system challenges. OAN helps your transition team consolidate ERP instances, harmonize charts of accounts, and merge vendor and customer masters.

M&A
Planning
Migration
Consolidation
Testing
Stabilization
Planning Pre-Close Readiness
Our Services

M&A Finance Integration

From pre-close planning through post-close stabilization, we manage the entire finance systems integration for mergers, acquisitions, and divestitures.

Discuss Your M&A Timeline

M&A Planning

Pre-close assessment and readiness planning. Evaluate both ERP environments, identify integration risks, and build a transition timeline aligned to deal milestones.

Instance Consolidation

Multi-ERP merge strategy for Oracle EBS and Fusion. Define target architecture, consolidation approach, and cutover planning.

Data Migration

Vendor, customer, and GL harmonization across merging entities. Chart of accounts mapping, master data cleansing, and historical data migration.

Parallel Processing

Run both systems during transition with synchronized reporting. Ensure business continuity while migration completes.

Post-Close Stabilization

HyperCare and optimization after the merger closes. Dedicated support team to resolve issues and optimize the consolidated environment.

Supporting Products

Products for M&A Integration

Products that support finance consolidation during mergers and acquisitions.

The M&A Finance Playbook

M&A Transition Phases
Structured deal-aligned approach
Day 1
Readiness
90 Day
Integration
100%
Data Integrity
24x7
HyperCare
Pre-Close Planning and Assessment
Due Diligence Support
Day 1 Readiness and Parallel Operations
Business Continuity
Full Consolidation and Stabilization
Unified Operations

M&A Transition Phases

M&A finance integration requires precision planning and flawless execution. Our playbook is built from real deal experience, ensuring your finance operations never miss a beat during transition.

Pre-close assessment of both ERP environments
Identify integration complexity, data quality issues, and resource requirements.
Chart of accounts harmonization strategy
Map, merge, and validate GL structures across entities.
Vendor and customer master deduplication
Clean, merge, and validate master data across both systems.
Post-close HyperCare with 24x7 support
Dedicated team ensuring stability through the critical first 90 days.

Why OAN for M&A Integration

Real M&A deal experience across multiple industries
Oracle EBS and Fusion consolidation expertise
Chart of accounts and master data harmonization
Day 1 readiness planning and execution
Parallel operations during transition periods
24x7 HyperCare post-close support
Customer Success

Trusted by Enterprise Teams

"OAN was embedded with our deal team from day one. They understood the urgency and delivered Day 1 readiness on schedule. Our finance operations never missed a beat."

MG
Michael Grant

VP Finance

Manufacturing

"Merging two Oracle EBS instances with different charts of accounts seemed impossible. OAN made it methodical. Every vendor, every GL account, mapped and validated."

RA
Rachel Adams

Integration Lead

Private Equity

"The parallel processing approach gave our CFO confidence that numbers were accurate throughout the transition. That trust was invaluable during a stressful period."

TL
Thomas Lee

Controller

Healthcare
Insights

Blog & News

Insights on mergers, acquisitions, and Oracle EBS consolidation.

Sustainability Metrics in Finance: Building the ESG Data Foundation
CFO
Oct 14, 2025

Sustainability Metrics in Finance: Building the ESG Data Foundation

CFOs are taking charge of ESG reporting—but it starts with better data. Discover how sustainability metrics, automation, and finance-led governance can build a reliable ESG data foundation for compliance and value creation.

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Closing the Gaps: Why Deduction Management Matters
CFO
Oct 2, 2025

Closing the Gaps: Why Deduction Management Matters

Unresolved customer deductions can quietly drain profits and skew revenue visibility—yet many finance teams still treat them as an afterthought. Elevating deduction management to the CFO’s agenda enables organizations to address the root causes of revenue leakage and improve working capital performance through automation, real-time insights, and cross-functional collaboration.

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Mastering the Financial Close: Automation Tactics for Faster, Cleaner Month-End
Automation
Sep 23, 2025

Mastering the Financial Close: Automation Tactics for Faster, Cleaner Month-End

The month-end close doesn’t have to be chaotic. In this blog, we explore how finance teams can streamline account reconciliations, journal entries, and intercompany eliminations using automation. From continuous accounting to real-time workflow visibility, discover how modern CFOs are transforming the close into a strategic advantage.

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Efficient Collections Management Strategies
Invoicing
Jan 28, 2025

Efficient Collections Management Strategies

Discover how to transform collections management into a seamless process that safeguards cash flow, strengthens customer trust, and drives business growth with proactive, tailored strategies.

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Planning a Merger or Acquisition?

Get your finance systems integration right. Our M&A team has the Oracle expertise to ensure a smooth transition.

Schedule a Consultation