AP and AR automation explained: How to transform your accounts payable and receivable processes

How AR automation works: the order-to-cash process

Accounts receivable automation streamlines the order-to-cash cycle across invoicing, collections, and payment processing.

1. Invoice creation from template

Invoices are auto-generated from order or contract data held in the system.

2. Multi-channel delivery

Invoices are sent automatically via email, customer portal, or post, reducing delivery lag and ensuring customers receive invoices promptly.

3. Automated payment reminders

The system sends configurable reminder sequences before and after due dates, reducing reliance on collections staff for routine follow-up.

4. Cash application and reconciliation

Incoming payments are matched automatically to open invoices, even for partial payments or remittances with reference mismatches.

5. Collections management

Overdue accounts are prioritised and escalated according to rules, with full communication history logged for dispute resolution.

6. DSO reporting

Real-time dashboards surface Days Sales Outstanding (DSO), ageing analysis, and collection performance, enabling finance teams to act on trends early.

AP vs AR automation: key differences at a glance

While AP and AR automation both streamline financial operations, they operate on opposite ends of the cash flow cycle with different objectives and metrics.

Aspect	AP Automation	AR Automation
Primary objective	Control costs, ensure compliance, optimise payment timing and supplier relationships	Accelerate cash conversion and reduce collection delays
Workflow ownership	Internally controlled; organisations control invoice approvals and payment execution	Customer-dependent; payment timing depends on customer actions and collections
Process complexity	Rule-based workflows with standardised approval hierarchies	Dynamic workflows involving reminders, disputes, credit management, and payment behaviour
Typical AI capabilities	OCR, intelligent invoice capture, three-way matching, duplicate detection, approval routing	Predictive collections, automated reminders, cash application, payment prediction, dispute classification
Success metrics	Invoice processing time, cost per invoice, DPO, invoice exception rate, early-payment discounts captured	DSO, Collection Effectiveness Index (CEI), overdue invoices, bad debt ratio, cash application accuracy
Primary stakeholders	Finance teams focused on payables, procurement, and spend management	Finance teams focused on receivables, credit control, and revenue collection
Risk reduced	Duplicate payments, fraud, invoice errors, compliance issues, late-payment fees	Revenue leakage, delayed collections, payment disputes, unapplied cash, write-offs

AP automation is often prioritised as AP processes are highly standardised, invoice driven, and fully controlled internally, making them easier to automate and often delivering faster ROI. AR automation, on the other hand, is more dependent on customer payment behaviour, credit terms, and dispute resolution, which makes it more dynamic and less predictable.

However, automating AP alone improves efficiency on the payables side but does not provide a complete view of cash flow. Organisations that automate both AP and AR gain end to end visibility into cash inflows and outflows, enabling better forecasting, improved liquidity management, and stronger working capital management.

The business case: 8 benefits of AP and AR automation

Automation of accounts payable and accounts receivable is more than a technology upgrade. It delivers value across multiple areas of financial operations and business performance.

• Reduced errors and fewer duplicate payments

Automating data entry tasks (payment processing, reconciliations) significantly minimises the risk of human error. Validation checks improve data accuracy and completeness, while 3-way matching helps prevent duplicate or fraudulent invoice payments before the payment run.

• Cost and time savings

Automation streamlines workflows, accelerates processing cycles, and reduces manual effort, driving both time and cost efficiencies. According to Ardent Partners’ AP Metrics That Matter In 2025, best-in-class organisations using AI and automation process invoices in just 3.1 days, compared with an average of 17.4 days for others.

Electronic payment methods including Bacs, Faster Payments (FPS), and virtual cards reduce transaction fees compared to traditional paper-based payments, further contributing to overall cost efficiency.

Find out how much your organisation could save with our value calculator.

• Enhanced cash flow management

By accelerating invoice processing and streamlining approval workflows, automation reduces the time taken to receive customer payments and settle supplier invoices. On the AP side, it can help capture early payment discounts, while on the AR side, faster invoicing and automated reminders help free up cash tied up in unpaid invoices.

Faster turnaround improves liquidity and strengthens working capital management, helping reduce the risk of cash flow gaps and ensuring funds are available for financial commitments.

• Improved financial visibility and control

Automated systems provide real-time visibility into payment statuses, outstanding invoices, and overall accounts activity, enabling more accurate cash flow forecasting and stronger control over working capital. Enhanced tracking of key metrics including DSO and ageing reports helps identify bottlenecks, improve collection strategies, and proactively manage receivables.

Many solutions also offer customisable reporting, delivering insights into cash flow projections, revenue trends, spending patterns, and historical performance. These insights strengthen financial control and support more informed, data-driven decision-making.

• Stronger supplier and customer relationships

Timely supplier payments, combined with visibility into payment status, help build trust and strengthen supplier relationships, enabling better negotiation outcomes and more collaborative partnerships.

On the customer side, AR automation supports timely invoicing and more structured communication, helping reduce delays and improve the payment process. Convenient electronic payment options, self-service portals offering real-time account visibility, and streamlined dispute resolution further reduce payment friction and enhance the customer experience, helping build stronger customer relationships.

• Improved compliance and audit readiness

Automated systems maintain a detailed audit trail of transactions, approvals, and changes, providing a clear record of financial activity for audits and dispute resolution. Standardised workflows and document formats help ensure consistency in financial processes and compliance with regulatory requirements, while automated reporting simplifies audit preparation.

Transaction monitoring, access controls, and role-based permissions further reinforce compliance by helping detect anomalies and safeguard sensitive financial data.

• Scalability and operational efficiency

As businesses expand through organic growth, acquisitions, or seasonal peaks, automated workflows enable organisations to handle growing transaction volumes without a proportional increase in headcount. Standardised workflows and multi-entity capabilities ensure consistent processing across business units, regions, and currencies, supported by configurable approval hierarchies that adapt to both growing SMEs and complex enterprise environments.

• Improved financial agility and decision-making

With more accurate financial data and faster reporting, organisations gain timely insights that improve decision-making across the business. This enhances financial agility, enabling teams to respond more effectively to changing conditions. With easier access to data and less time spent on manual reporting and reconciliation, finance teams are freed up to focus more on strategic priorities that deliver greater value to the organisation.

How AP and AR automation integrates with your ERP

Our latest Trends Report highlights a growing integration crisis across organisations, with disconnected systems emerging as a major barrier to automation and AI adoption.

Standalone AP or AR solutions that operate in isolation from ERP and finance systems can inadvertently create the very silos automation is designed to remove. When financial data is spread across multiple platforms, finance teams are often forced to rely on manual data transfers, duplicate entry, and reconciliation processes to keep records aligned.

True automation depends on bi-directional integration with the ERP or financial management system, enabling data to flow seamlessly between AP, AR, procurement, and core finance processes. This ensures invoices, payments, approvals, and GL coding data are synchronised automatically, with approved transactions posted directly to the general ledger in real time.

By eliminating manual posting and double entry, integrated solutions improve accuracy, strengthen financial control, and provide greater visibility of cash flow, supplier balances, and receivables while reducing reconciliation effort.

Solutions such as OneAdvanced Financials support this connected approach, helping organisations integrate AP and AR automation with wider financial management processes to achieve a more unified view of financial operations.

How to choose the right AP/AR automation software

AP/AR automation can only deliver long-term value if it fits seamlessly into your wider finance environment. When comparing solutions, look for the following capabilities:

• ERP integration depth – Bi-directional integration with ERP and finance systems, with real-time synchronisation of financial and transactional data.
• Invoice format support – Ability to process PDFs, EDI, XML, scanned documents, and supplier portal submissions.
• OCR and AI accuracy – High first-pass extraction rates; validate performance using vendor benchmarks and real-world exception rates.
• Approval workflow flexibility – Configurable approval paths with multi-level approver chains, delegation rules, and mobile access.
• Compliance features – Support for Making Tax Digital (MTD), UK GDPR compliance, audit trails, and financial controls.
• Supplier and customer portals – Self-service access for invoice submission, statement viewing, payment tracking, and dispute management.
• Reporting and dashboards – Real-time, configurable dashboards with role-based views, providing visibility of cash flow, ageing, DSO, DPO, approval status, and operational performance.
• Implementation and support – Local implementation expertise with sector knowledge and ongoing support.

AP and AR automation for different business sizes

AP and AR automation requirements vary depending on the size and complexity of the organisation. While the underlying goals remain similar, the capabilities required often differ as finance operations grow and become more complex.

Business size	Typical requirements	What AP/AR automation delivers
SMEs	Automated invoice processing, basic approval workflows, standard reporting	Less manual work, faster processing, and more predictable financial processes
Mid-market	ERP integration, configurable approval workflows, real-time reporting	Improved financial control, faster approvals, and better visibility of cash flow and commitments
Enterprise	Multi-entity processing, advanced compliance controls, global payment capabilities, deep ERP integration	Consistent governance, reduced risk, and consolidated reporting across entities

 

Sector-specific requirements are another important consideration in software selection. Manufacturing organisations often prioritise procurement integration and supplier invoice processing, while public sector and healthcare organisations typically require stronger compliance, auditability, and reporting capabilities.

Transform your AP and AR with OneAdvanced

Late supplier payments, slow approvals, high invoice volumes, and disconnected systems can make it difficult for finance teams to maintain cash flow, control costs, and scale efficiently. Automation is one of the most effective ways to address these challenges, and OneAdvanced helps make it a practical reality.

OneAdvanced's cloud-based financial management platform supports end-to-end AP and AR workflows, from AI-powered data capture to reporting and analytics, reducing manual effort across invoicing, approvals, and reconciliation.

The platform provides real-time dashboards and reporting, alongside tools for budgeting, forecasting, financial analysis, and planning, all within a connected finance environment. Capabilities such as automated bank reconciliation, full invoice lifecycle management, and self-service supplier and customer portals help improve accuracy, visibility, and operational efficiency.

Powered by OneAdvanced IQ, the platform connects finance with ERP, procurement, and wider business systems through a trusted flow of real-time data, helping organisations overcome fragmented workflows and build a scalable foundation for future growth and innovation.

Discover how OneAdvanced can help you streamline AP and AR, strengthen financial control, and unlock greater efficiency. Book a demo today.

FAQs

What is accounts payable?

Accounts payable refers to the money a business owes to its creditors, suppliers, or vendors. AP obligations are often short-term and are recorded on the company's balance sheet as a current liability. Goods or services acquired on credit, and even monthly subscription fees to various software providers, are considered payables until they are settled.

What is accounts receivable?

Accounts receivable refers to the payments owed to the business by its customers or clients for goods and services provided but not yet paid for. AR is recorded under current assets on the balance sheet.

What is the difference between accounts payable and accounts receivable automation?

The difference between accounts payable and accounts receivable automation lies in the workflows they automate and the outcomes they deliver. Accounts payable automation streamlines invoice approvals and supplier payments to improve spending control and payment timeliness, while accounts receivable automation automates invoicing, collections, and cash application to accelerate cash inflows and reduce outstanding balances.

How does AP automation reduce invoice processing costs?

AP automation reduces invoice processing costs by eliminating manual data entry, paper-based workflows, and repetitive approval tasks. By shortening processing times, reducing errors, and minimising rework, it lowers the cost per invoice and enables finance teams to manage higher invoice volumes without additional resources.

How does AR automation reduce Days Sales Outstanding (DSO)?

AR automation reduces DSO by accelerating the invoice-to-cash cycle through automated invoicing, payment reminders, and cash application. Faster invoice delivery, timely follow-ups, and quicker payment reconciliation help organisations collect payments sooner and reduce outstanding receivables.

What is 3-way invoice matching and how does automation support it?

Three-way invoice matching is the process of verifying an invoice against the corresponding purchase order and goods receipt before payment is approved. Automation supports this by matching documents automatically, flagging discrepancies, and helping prevent incorrect or duplicate payments.

Can AP and AR automation integrate with my existing ERP system?

Yes, most modern AP and AR automation platforms can integrate with existing ERP systems through pre-built connectors, APIs, or native integrations, enabling seamless data flow and synchronised financial records across systems.

What is touchless invoice processing?

Touchless invoice processing is the end-to-end automation of invoice handling, where invoices are captured, validated, matched, approved, and processed for payment with minimal or no manual intervention.

How does AP/AR automation help with GDPR and Making Tax Digital (MTD) compliance?

AP and AR automation create timestamped audit trails of transactions and approvals, supporting GDPR accountability requirements and maintaining the digital records needed for MTD. Standardised workflows also reduce the risk of non-compliant or inconsistent record-keeping.

How long does it take to implement AP/AR automation software?

The time required to implement AP and AR automation depends on factors such as system integrations, workflow complexity, and data migration needs. While some organisations can go live in weeks, larger or more complex deployments may take several months.