Reducing risk and error in expense management with automation

04 Sept 2024 · 7 MIN READ

Last updated: August 2026

Key takeaways
  • Manual expense processes create avoidable errors and increase financial, compliance and fraud risk.
  • Automation reduces human error by standardizing data capture, policy checks and approvals.
  • With automated controls in place, fewer mistakes slip through and overall expense risk is significantly lower.

Manual expense management leaves you open to a degree of risk and error that should be avoidable.

Roughly one in five expense reports contains mistakes, costing an average of 18 minutes per report to fix and increasing the chance that fraud or policy breaches slip through unnoticed.

An automated expense management process eliminates manual admin and reduces the risk of errors, turning expenses from a frustrating chore into a faster, more accurate process for both individual team members and accounting teams. Here, we look at the key things you need to know when you’re looking to reduce financial risks with the help of automation.

The difference between manual and automated expense management

Comparison chart of manual vs. automated expense management processes, outlining steps from receipt capture to reporting and reconciliation. Under manual process, step 1 is receipt capture, colleting and logging receipts by hand. Step 2 is data entry, keying details into spreadsheets one field at a time. Step 3 is policy check, approvers manually check claims against policy from memory. Step 4 is approval, forms are passed between approvers, chasing sign-off over email. Step 5 is reporting and reconciliation, manually reconciling details against accounting records at month end. With an automated process, the graphic notes step 1 receipt capture means a mobile app captures and auto-matches every receipt. Step 1 data entry, automated receipt matching pulls the data - no manual keying. Step 3 policy check - expenses are checked against integrated policies instantly. Step 4 approval - workflow automation routes and notifies approvers automatically. Step 5 reporting and reconciliation - synced automatically to your accounting system in real time.Expense management automation uses artificial intelligence (AI) to support the tracking, submission, approval, and reporting of work and travel expenses automatically through specialist software.

It replaces manual data entry with technologies like automatic receipt matching, enforces spending policies in real time, and integrates with accounting systems to reduce errors, speed up reimbursements, and improve compliance.

“When you take manual keying and spreadsheet checks out of expenses, you remove a huge source of risk and make policy breaches much harder to miss.”
Devis Lussi, VP, Spend & Control at Perk

On the other hand, traditional expense reports rely on paper, spreadsheets and manual checks. This significantly increases the risk of errors, fraud, and non‑compliance while creating extra invisible tasks (known as shadow work) for team members.

The cost of a manual process

  • $58 average cost to process a single expense report

  • 20 minutes average time to process a single report

  • 19% of expense reports contain errors

  • $52 average cost to correct each error

  • 18 minutes extra time needed to correct each error

Source: Global Business Travel Association

These figures might seem manageable individually but can quickly escalate, considering the volume of reports a company typically processes. In some organizations, these errors can result in large quantities of unnecessary annual expense.

The 20 minutes needed to process a single report can increase if errors are present or the process is particularly complex. And of course, the lost productivity becomes significant when multiplying these minutes across hundreds or thousands of reports.

Implementing automation in expense management reduces per-report processing costs, eliminates correction expenses, and frees up accounting team hours. Companies of all sizes see measurable returns through lower operational costs, fewer errors, and faster financial close cycles.

Automated features that keep your expenses compliant and controlled

Modern platforms combine automation and AI to integrate features such as:

Feature
What it does
Automated receipt matching
Uses receipt matching technology to pull data from receipts automatically, cutting manual entry and lost receipts
Integrated individual expense policies
Applies your custom spend rules to every claim, automatically flagging or blocking anything non‑compliant
Approval workflow automation
Routes expenses through predefined approvers, sending alerts and keeping reviews moving without manual chasing
Real-time reporting and analytics
Provides accounting teams with live dashboards and reports on spend, trends, and outliers so risks and issues are spotted early
Accounting system integration
Syncs approved expenses straight into your accounting software, reducing discrepancies and speeding up reconciliation

Combined, they create a streamlined, efficient, and accurate expense management process, helping your company minimize risks and errors.

Why manual expense management increases your risk

When expenses are handled manually, it’s not just a hassle but a liability.

Without automated checks, the chance of human error is high, while fraudulent claims are harder to catch and inconsistent adherence to expense policies can lead to unauthorized work and travel spending. These mistakes can quietly build into bigger financial, legal and compliance issues, particularly during audits.

Risk
Why it happens
Undetected expense fraud
Inflated claims and doctored receipts are more likely to slip past inconsistent manual checks
Financial misstatements from manual errors
Re‑keying data by hand invites errors in amounts, dates, and categories, which disrupt accurate record‑keeping
Delayed reporting and reimbursements
Chasing approvals and passing spreadsheets around slows everything down and increases admin burden
Inability to detect abnormal spend
Limited visibility into real‑time spend makes it harder to spot unusual activity or challenge out‑of‑policy claims
Regulatory and policy noncompliance
When rules aren’t enforced automatically, it’s easy for policy and regulatory requirements to be missed

Undetected expense fraud

Manual processes allow expense fraud to stay undetected. This includes inflated expense claims, falsified receipts or the same claim being submitted multiple times. Without automation, fraudulent activities can slip through the cracks and lead to financial losses and eroded trust.

Scenario
Susan submits the same hotel receipt twice several months apart, once as a PDF and once as a paper copy. Because reviews are done by eye and handled by different managers, both of Susan’s claims are approved and reimbursed.

Financial misstatements from manual errors

Human errors, such as incorrect data entry and misclassification, are one of the most common problems with manual spend management. They can lead to significant discrepancies in financial records, skewing important data and costing time and resources to identify and correct.

Scenario
Tyler, a finance assistant, re‑keys a travel expense and accidentally adds an extra zero, turning a $45 train ticket into a $450 cost. The error isn’t spotted until the next quarter, forcing time‑consuming corrections and distorting the travel budget.

Delayed reporting and reimbursements

Manual routing of expense reports risks delays, which can lead to further issues such as employee dissatisfaction and hindered cash flow. The process slows reimbursements and makes it difficult to track where a report is in the approval process, also increasing the risk of reports being lost or forgotten.

Scenario
Jordan tapes their paper receipts to a form and leaves it on their manager’s desk. It sits there for a week, then spends another week in the finance in‑tray, leaving Jordan out of pocket and chasing updates over email.

Inability to detect abnormal spend

Without real‑time visibility, companies struggle to track spending patterns and detect anomalies. Limited oversight makes it harder to spot abnormal spending early and remind people of policies, or address unauthorized spending.

Scenario
Over several months, Aisha’s client entertainment costs quietly creep up, with a mix of small restaurant bills and taxi rides. Because everything lives in separate spreadsheets, no one notices the trend until the annual review.

Regulatory and policy non-compliance

Manual expense management makes it challenging to enforce regulations and company policies consistently. People can easily bypass limits or guidelines, increasing costs, the risk of non-compliance, and legal issues if a company is audited and found to be out of compliance.

Scenario
A company sets a meal allowance, but because claims are checked manually, different managers approve higher amounts “just this once”. When an audit samples these expenses, the inconsistent approvals raise questions about policy enforcement.

Common expense management mistakes and the role of automation

A manual expense management process makes it easier to make mistakes that can have significant financial and operational repercussions.

Around one in five expense reports contain errors or missing information
Source: Global Business Travel Association

Some of the most common challenges and accounting errors can be easily prevented with automation. With AI-powered smart spend management, companies can drastically lower per-report processing costs, eliminate manual tasks and reduce errors.

Typical submission errors

Error type
Cause
How automation helps
Misplaced receipts
People lose paper receipts or submit incomplete documentation
Mobile receipt capture and cloud storage keep a time‑stamped image of every receipt alongside the expense
Data entry errors (typos)
Incorrect manual input of amounts, dates or details
Automated receipt matching pulls values straight from receipts, cutting out typing and transcription errors
Transposition errors
Digits accidentally swapped (e.g. 154 becomes 514)
Figures can be read directly from receipts, applying validation rules and flagging amounts that look out of pattern before approval
Omission errors
Lines or items missed off a claim
Forms with required fields prompt teams to include all necessary information before submitting
Misclassified or mischaracterized expenses
Wrong category chosen or personal spend labeled as business
Automated receipt matching recognizes the cost type and can auto‑categorize based on your rules, highlighting likely misclassifications for review
Duplicate submissions
Same expense submitted or approved more than once
Automated duplicate detection checks and compares dates, amounts and merchants so repeat receipts or claims can be flagged automatically

Review and approval errors

Error type
Cause
How automation helps
Incorrect policy application
Relies on an approver's knowledge and memory, leaving room for mistakes
Automated compliance checks, tax recognition and clear audit trails make it easier to stay within policy and regulatory requirements
Undetected expense fraud
Deliberately inflated, fabricated or reused receipts which are mistakenly missed in a manual review
AI‑driven anomaly and duplicate detection, plus real‑time policy checks, highlight suspicious claims for closer review
Delayed approvals
Approvals move slowly because they rely on manual hand‑offs and multi‑step sign‑offs
Configurable workflows, automatic routing and reminders keep approvals moving and make the process trackable for everyone
Accidental unpaid claims
Paper or emailed expense forms are misplaced, forgotten or buried in inboxes
Every claim and its status is visible in a central platform, so nothing gets lost in transit and unpaid claims are easy to spot

Using Perk to reduce risk and error in expense management

With Perk’s automated spend management platform, you swap risky, manual work and travel expense admin for a controlled workflow that captures and validates data, enforces your expense rules in the background, and routes approvals automatically.

Automated receipt matching

A smartphone app scans a receipt, showing a total spend of $17.00. The app confirms "Receipt matched" with the "perk+" logo.Streamline the submission and filing of expense reports by letting users capture and upload receipts through a mobile app. Automated receipt matching technology automatically extracts and enters relevant data from receipts, reducing manual data entry errors and speeding up the submission process

This ensures that your teams can quickly and easily file their expenses, which are automatically organized and categorized, preventing lost or overlooked receipts.

Integrated individual expense policies

A table listing service expenses by traveler, including spend amount, cost center, and policy status, set against a cloudy sky background.Built-in functionality to integrate and enforce individual expense policies means you can customize expense rules based on specific guidelines, such as spending limits, acceptable categories, and approval requirements.

The platform automatically checks each expense against these policies, flagging or rejecting non-compliant submissions. This ensures consistent adherence to company policies and reduces the risk of unauthorized spending.

Approval workflow automation

A woman in a car checks her phone, displaying approvals for marketing, office, and logistics invoices, with an error for a duplicate invoice.The approval workflow is automated to streamline the review process. Once an expense report is submitted, it is routed through predefined approval chains based on company policies and the nature of the expenses.

Approvers are notified automatically and can review and approve reports directly through the platform, regardless of location. This reduces bottlenecks, speeds up the approval process, and ensures that expenses are reviewed promptly and in accordance with organizational protocols, minimizing risks.

Real-time reporting and analytics

A man in a suit works on a laptop in a train seat. A card showing financial reporting for three individuals is overlaid on the image.Real-time reporting and analytics capabilities offer valuable insights into company spending, meaning you can identify errors earlier and reduce the chance of noncompliance.

They generate detailed reports and visual dashboards that track expenses, highlight trends, and identify potential savings. With real-time data, accounting teams can make informed decisions, optimize budgeting, and address issues promptly. The analytics features also enable companies to forecast future expenses and better manage their financial resources.

Accounting system integration

Woman in glasses concentrating on a laptop screen at an office desk.Seamless integration with accounting systems is a powerful feature of an automated platform. Perk can automatically sync expense data with a company’s existing accounting software, ensuring that financial records are accurate and up-to-date.

This integration helps streamline the reconciliation process, reduces the risk of data discrepancies, and enhances overall financial accuracy. By connecting expense data directly to accounting systems, platforms ensure that all financial transactions are appropriately recorded and easily accessible for audits and reporting.

How CH Media reduced risk and errors with Perk

Logo of 'ch media' with a blue stylized dot pattern on the left and the name in bold blue text on a white background.The challenge

CH Media is the leading media company in Switzerland with approximately 1,800 employees across more than 30 locations in 13 cantons and over 70 media brands spanning print, TV, radio, and online.

The organization’s manual, paper and email‑based expense process was slow and time‑consuming, making it harder to catch mistakes and apply policy checks consistently which increased the risk of errors slipping through.

How Perk helped

Perk replaced CH Media’s manual checking process with a digital, automated workflow where receipts are submitted online, scanned and categorized automatically, and checked against policy in real time, so the payroll team only needs to review anomalies instead of every line item.

The results

“The efficiency boost has been enormous. What used to take weeks now takes just days, and the risk of errors has dropped significantly. Perk has truly transformed the way we work.”
Patrick Aregger, Head of Payroll at CH Media

Bring error reduction to your organization

Looking to reduce mistakes and have fewer compliance headaches in your expense management process?

Schedule a Perk demo to see how AI‑driven automation helps you reduce risk and error at every step of the way.

Written by

Philippe Sahli
Philippe Sahli

Chief Spend Officer, Perk

Philippe Sahli has spent his career making corporate finance simple and more intelligent. As Chief Spend Officer at Perk, he leads the charge on transforming how businesses manage spend, from expenses and invoices to smart corporate cards. Before joining Perk, Philippe founded Yokoy, an AI-powered spend management platform built to bring automation to finance teams. When Yokoy was acquired by TravelPerk, it became the foundation for what Perk is today: a single AI-native platform for travel, events, and spend. Philippe's background spans both high-growth startups and global finance. He served as CFO at Swiss scaleup Beekeeper and held management roles at Credit Suisse and UBS. In 2021, Forbes recognised him in their 30 Under 30 list for bringing together innovative thinking and an ambitious vision.
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