Get A Quote


    Risk Advisory

    How to optimize Internal Audit of Order-to-Cash (O2C) Process?

    Order to Cash (O2C), also known as OTC, is the series of business processes that begin when a customer places an order and end when the company receives and applies payment for that order. It is a critical process that turns customer demand into cash and spans order capture, fulfilment, billing, collections, and reporting.

    Typical O2C Steps

    a) Order management: Handling customer orders end‑to‑end, including order capture, validation, processing, fulfilment coordination, and post‑sales support.

    b) Credit management: Extending, evaluating, monitoring, and collecting credit to optimise risk and reward through limits, terms, and periodic reviews.

    c) Order fulfilment and shipping: Processing, picking, packing, dispatch, shipping, and tracking until delivery confirmation.

    d) Customer invoicing and billing: Creating accurate, complete invoices on time and in line with contract, pricing, and tax requirements.

    e) Accounts receivable (AR): Managing amounts owed for goods/services delivered but not yet paid; maintaining ledgers, ageing, and cash application rules.

    f) Payment collections: Executing timely reminders, dispute resolution, promise‑to‑pay follow‑up, and escalations to reduce delinquency and write‑offs.

    g) Real‑time reporting and data management: Consolidating O2C data for visibility on cycle time, DSO, ageing, disputes, and exceptions to support decisions.

    Why the O2C Process Matters

    a) Improves cash flow: Streamlined O2C shortens the time from order to cash, freeing liquidity for working capital and growth.

    b) Reduces costs: Fewer errors and handoffs lower rework, logistics, and billing costs while reducing write‑offs.

    c) Enhances customer satisfaction: Accurate orders, transparent status, and clean invoicing improve experience and repeat business.

    Methods to Optimise the O2C Process

    1. Automate high‑volume steps to free teams for exception handling and customer care.
    2. Implement robust credit risk management and periodic reviews to minimise bad debts.
    3. Maintain accurate, timely pricing and discount data to protect margin and reduce billing disputes.
    4. Track key metrics (e.g., DSO, order cycle time, invoice accuracy, dispute rate) to target improvements and make data‑driven decisions.

    Red Flags in the O2C Process

    1) Excessive order cycle time

    • Measure time from order placement to payment receipt.
    • Identify bottlenecks in order processing, fulfilment, or invoicing.

    2) High Days Sales Outstanding (DSO)

    • Track average days to collect and trend by customer/segment.
    • Assess collection effectiveness and payment behaviour.

    3) Rising discounts and allowances

    • Monitor discount trends by customer, region, and product.
    • Review pricing governance and approval thresholds.

    4) Frequent disputes and returns

    • Analyse dispute/return volumes and root causes.
    • Address fulfilment accuracy, product quality, and service gaps.

    5) Manual processes and data silos

    • Quantify manual entries and handoffs; map duplicate work.
    • Prioritise automation and system integration opportunities.

    6) Ineffective credit risk management

    • Review onboarding checks, limits, terms, and overrides.
    • Apply stricter controls for high‑risk accounts and vintage debt.

    7) Poor communication and collaboration

    • Assess handoffs between Sales, Operations, Finance, and Logistics.
    • Define clear roles, responsibilities, and escalation protocols.

    8) Insufficient monitoring and reporting

    • Track KPIs (DSO, CEI, order cycle time, invoice accuracy, dispute rate, write‑off %).
    • Implement regular dashboards, exception reports, and reviews.

    Suggested O2C Audit Focus (Objectives and Typical Tests)

    • Credit and terms: Verify credit checks, limit/terms approval, and periodic reviews; test overrides and high‑risk accounts.
    • Order entry and fulfilment: Trace sample orders from quote to shipment; three‑way match (order, dispatch, invoice) and delivery proof.
    • Pricing and discounts: Recalculate pricing; test discount approvals and segregation of duties on edits and credit notes.
    • Billing and tax compliance: Test invoice timeliness, completeness, tax rates, and invoice reference integrity; check duplicate invoices.
    • Collections and cash application: Review dunning cadence, promise‑to‑pay tracking, unapplied/short‑paid cash, and write‑off approvals.
    • Master data and integration: Assess change controls over customers, price lists, and terms; test data flows between CRM/ERP/AR.

    Structure of an O2C Process Report

    • Executive Summary: Concise overview of key findings, priority risks, recommendations, and overall O2C health.
    • Introduction: O2C scope, importance, and report purpose.
    • O2C Process Overview: Steps from order entry through cash application and reporting.
    • Current State Analysis: Strengths and gaps with metrics (order cycle time, DSO, dispute rate, write‑off %, invoice accuracy).
    • Root Cause Analysis: Underlying drivers (process, systems, master data, roles, training).
    • Recommendations (SMART): Specific actions, owners, timelines, and expected benefits.
    • Conclusion: Summary of actions and next steps, including follow‑up cadence.

    Practical KPIs to Monitor

    • Days Sales Outstanding (DSO),
    • Order Cycle Time,
    • Invoice First‑Time‑Right %,
    • Dispute Rate and Ageing,
    • Collection Effectiveness Index (CEI),
    • % Unapplied Cash,
    • Write‑off %,
    • On‑time Delivery %,
    • Credit Limit Breach Count.

    Related Resources

    What can we help you achieve?

    Stay one step ahead in a rapidly changing world and build
    a sustainable future with us.