ERP vs Accounting Systems: 5 Key Differences

What are you really getting when you upgrade to an ERP system?

Thursday June 12th, 2025 Business Process Improvement, Implementation

This article was last updated in October 2026 to include the most relevant and recent information.

Executive Summary:
> ERP systems are sophisticated platforms that are better suited for businesses with complex financial requirements.

> Accounting systems are more basic, but simple to deploy and better suited to smaller businesses.

> Kilimanjaro Consulting can evaluate your business and guide you to the right choice of software.

Accounting systems are the best technology option for smaller businesses because they have basic accounting, tax, and reporting requirements. Enterprise Resource Planning (ERP) systems are much better suited to larger, more complex organisations, due to its ability to automatically manage stringent compliance and auditability requirements, sophisticated processes, workflows, and reporting obligations, and teams that all require real-time access to the same data.

For mid-sized businesses that might be in between these two stages, it is critical to properly evaluate ERP vs accounting systems and how the technology supports your business processes. Moving to an ERP system might be the right option for some businesses, but not others.

ERP vs Accounting Software at a Glance

Finance teams need technology to manage the company’s general ledger, accounts payable, accounts receivable, and tax records. Both ERP and accounting software can fulfil this requirement but differ in how this is achieved.

What is an Accounting System?

An accounting system is a business’ first step towards accurately managing its financial records. The focus is on accounting functions such as bookkeeping, tax, accounts payable, and accounts receivable. Due to the low complexity of small business accounting requirements, these systems generally do not support customisation or integrations. They are designed to only address the specific needs of accounting departments.

What is ERP Software?

Enterprise Resource Planning (ERP) systems are larger, more complex pieces of software compared to an accounting system. ERPs are primarily systems of record for your business’ data, replacing separate databases and systems to bring everything into one place. This includes finance, payroll, sales and customers, inventory and supply chain, projects, production, and field services.

ERP systems are better suited to larger organisations with multiple complex revenue streams, entities, and hierarchies, stringent compliance and reporting requirements, and more departments, products, customers, projects, and bigger teams. These systems aim to streamline and connect multiple departments across an organisation by sharing data and automating processes, while maintaining the segregation of responsibilities and security. This is so your team can work with the same data in real time, which leads to better decisions and more efficient operations.

Why Growing Businesses Need ERP Software eBook

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4 Key Differences between ERP and Accounting Software

1. Scope and Functionality

Accounting System	ERP System
Functionality focused on finance and accounting.	Broad functionality that covers different departments in the entire organisation.
System scope is limited to the General Ledger, AP/AR, and set reports; although some systems can also manage simple payroll.	Scalable modular platforms with customisable scope.
Only captures financial data (e.g. debtors, creditors, tax).	Captures financial and non-financial data (e.g. sales, time, inventory, accruals, debtors, creditors, tax).

2. Integration and automation

Accounting System	ERP System
Little support for integration; the system performs its task independently.	Many options for integration through Application Programming Interface (API) or Electronic Data Interchange (EDI).
Disconnection creates data siloes that slow reconciliation and consolidation.	Pre-configured integration endpoints, native integrations, and the ability for custom integration give you more control over the data flowing across your organisation.
Burdens the team with manual data re-entry to keep multiple systems up to date	Data moves in real-time and can be used as automation triggers and to inform live reporting.

3. Reporting and Visibility

Accounting System	ERP System
Basic set of financial reports and some standard analytics.	Advanced reporting and analytics suite, including role-based dashboards and low-code, self-configurable reporting.
Reports only focus on financial data, so struggle to show detail on the wider business.	Using data from across the entire organisation gives a clearer picture of overall health.
Relies on manual exports to build graphs/dashboards.	Track KPIs in real-time with the latest information; no more static reports or spreadsheet exports.
Manual consolidations mean slower end-of-period closes, slower reports, and poorer visibility of what is happening.	Automatic intercompany and complex multi-entity reconciliations for instant insight into performance at period-end.

4. Scalability, Users, and Access Control

Accounting System	ERP System
Operate at a fixed size and capacity. They only ever have the functionality that comes with them out of the box.	Highly customisable; when workflows and processes change, the system can be reconfigured to support that change and improve efficiency.
Little flexibility for additional users over the lifetime of the system. Some accounting systems are limited to 2 or fewer users. Some have transactional limits.	Add new modules, integration, licences, users, and automations to support your changing complexities at scale in both your current and future states.
Can only handle small bulk processes, if any. Struggles to process growing transaction, customer, or team data.	Powerful architecture supports large databases and significant processing loads.
Capped number of users with access, usually restricted to finance and accounts teams.	New user licences are simple to provision and deploy for your growing team.
No separation of responsibility. If you can access the system, then you can access everything in the system – regardless of whether it is appropriate for your role or not.	Access and permissions are tied to the licence, so you only see and edit data that is required for your role.

5. Cost, Implementation, and Compliance

Accounting System	ERP System
Entry-level price point represents entry-level functionality. The system can only do so much, so the overall cost is lower.	Higher initial and ongoing costs to reflect the extra functionality, scope, and customisability.
No customisation and simple accessibility mean these systems are plug-and-play and easy to start using; no implementation required.	Requires a 3–6-month implementation project, billed separately to ongoing licences and support, to design and build the system for your unique requirements.
Supports basic regulatory compliance for financial and tax reporting.	Broader and more complex audit and governance requirements, with a built-in audit trail and compliance for specific industries.

Accounting system vs ERP: the Trade-offs

Because of the stark differences of accounting system vs ERP systems, you will need to consider the trade-offs when making your software decision.

	Accounting System	ERP System
Pros	– Low cost – Fast deployment – Basic compliance built-in – Easy to use	– Powerful automations and functionality – Create an integrated platform to manage your entire business – Real-time reporting and live dashboards – Access for your entire team – Support for industry-specific requirements
Cons	– Limited functionality and scalability – Limited integrations – Limited customisations – Overreliance on manual reporting and processes – Limited user access and controls	– Higher initial and ongoing costs – Learning curve for complex processes – Trusted support and system maintenance required

When Does a Business Need ERP Instead of Accounting Software?

In our experience, once businesses start to employ more than 20 people or have a turnover starts to exceed approximately $10 million per annum, they tend to require more complicated accounting and financial functionality. Your business’s complexity and future goals determine the need for an ERP system, but size is a common predictor, and these tend to go hand in hand. For example, $10 million annual revenue is the threshold for changing from cash to accrual GST in Australia, something small-business accounting systems are typically poorly equipped to handle.

There are many signs that you are beginning to outgrow your accounting software and need an ERP system:

Manual processes that you had previously relied on are now slowing you down and causing errors,
Your growing inventory of products is becoming difficult to manage,
Projects are becoming increasingly complex, and you lack the insights to verify their profitability or efficiency,
Declining service levels due to systems and processes not designed to support your scaling customer base,
A growing number of employees, including more complex payroll and onboarding requirements and the need for separation of responsibilities and approval workflows within the system,
Struggling to operate across multiple locations, offices, warehouses, or countries,
You use an array of disconnected third-party products to manage each department, with no single source of truth for company data.

How to tell if you have outgrown your current software eBook

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How to Choose Between Two Systems

Moving from an accounting system to an ERP system is a significant step in your business’s technology journey, and not one that should be taken lightly. The good news is that most businesses will not ever need to choose between an accounting system and an ERP system, you will choose how long you will stay on your accounting system.

If you are just beginning your business journey, then choose an accounting system. You do not yet require the rich functionality that comes with an ERP system, and will be better off for the lower price point, shallower learning curve, and simple reports. A small business using an ERP system is like owning a semi-trailer for the grocery run. It can do the job, but this is clearly not the intended purpose. MYOB Business, MYOB AccountRight, Xero, Reckon, or QuickBooks are all serviceable solutions for small businesses; more like a Toyota Corolla.

Tips to choose a small business accounting system:

Assess your cloud vs on-premise requirements.
Read reviews and get recommendations from your network.
Take advantage of free trials.
Research vendors and their support.

If you are a larger, more complex organisation with multiple connected entities, sophisticated reporting requirements, a board of directors, preparing for an Initial Public Offering (IPO), audit and governance requirements, growing teams, established workflows, or operations across multiple countries, you should choose an ERP system. These are the businesses that need a semi-trailer to transport large amounts of inventory across bigger distances. It would be inappropriate to use the Toyota Corolla (or worse, multiple Toyota Corollas joined together) to haul shipping containers interstate.

Making your way through the ERP Selection process

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If you are between these two scenarios, then talk to our team. Trusted advice from software experts is the best guide to help you choose between accounting and ERP systems. We will assess the individual complexities of your organisation and match them with the capabilities of the right system. ERP systems are built for larger, more complex organisations. For many businesses, it is still appropriate to use simple accounting software for your financial processes.

MYOB Acumatica – Cloud Solution for Complex Organisations

MYOB Acumatica is a powerful cloud-based ERP system built for larger, more complex organisations in Australia and New Zealand. It can consolidate and connect data from across your organisation into one source of truth, including:

Finance – reconciliations, deferrals, tax, and accounting
People – payroll, workforce and leave management
Supply Chain – inventory management and demand planning
Sales and Customers – integrated customer relationship management (CRM)
Production – bills of materials (BoM) and material requirements planning (MRP)
Projects – quoting, estimation, and billing
Field Services – track and manage your mobile workforce

MYOB Acumatica Information Pack eBook

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ERP and Accounting Software FAQs

Is accounting software part of an ERP system?

Yes. Accounting and Finance is one element of an ERP system. An ERP system is a powerful accounting system plus other modules. ERP systems include the General Ledger, Accounts Payable, Accounts Receivable, bank reconciliations, financial reporting, and tax and compliance functions you would find in an accounting system. It also includes more advanced financial management functionality such as deferral schedules, multi-entity consolidations and transactions, control accounts, artificial intelligence and automation, multi-currency and multi-location support, and more complex regulatory and tax management.

ERP systems also support extra capabilities across the entire organisation, including supply chain and inventory management, production and manufacturing, project management, payroll and workforce management, field services, and customer relationship management (CRM).

Can we keep our accounting software and add an ERP later?

Accounting and ERP systems are not designed to run simultaneously. ERP systems directly supersede the financial functionality of accounting systems, so it would be inefficient to use both systems, recreating the data siloes and disconnection that an ERP implementation is focused on eliminating.

You will continue to use your accounting system during your ERP implementation. But once everything is set up and ready to go live, your implementation consultant will migrate your data, ensure everything is balanced, and you will no longer need the accounting system. Everything will be handled in an ERP system that has been built to best support your unique business. For businesses that want a more gradual migration to an ERP system, you can stage the implementation, adding and customising modules as you move further away from your old accounting software.

If you decide that an ERP system is not the right choice for your organisation at the current stage, then you should continue to use your accounting system. Ideally, your growth towards an ERP system is just a short time away, and so you will not have to tolerate the pain points of working with an accounting system for much longer. An ERP implementation is an inflection point in your business’s technology journey, and not normally something that you can undo. Consider the risks of an ERP implementation before making your final selection, as you can always stay on an accounting system until you budget for the implementation, completely finalise your requirements and goals, and have the internal resourcing available to make the project a success.

How long does it take to move from accounting software to an ERP?

Your move from an accounting to ERP system is a journey that evolves over months and years. It might take your business decades to grow to the point when you need an ERP system, years to decide on the right system and implementation partner, and months of working together to design and build the system to meet your needs.

Based on an analysis of our own customer database, businesses will operate for 20-30 years before they require an ERP system. This is the majority; there are some businesses that require an ERP sooner, and some later. The system discovery and evaluation process takes between 3 months and two years to assess the available options, budget for the project and confirm your requirements. The system design, build, testing, and complete implementation takes between 3 and 6 months depending on your unique complexities and workflows.

Will we lose our historical financial data when we switch?

No. You can import your existing and historical financial data, including trial balances and other key information, into MYOB Acumatica during your implementation and before you go live. This means that there is not a generally accepted best time to implement an ERP system. You can go live at any time through the year, not just at the end of the financial year. Your team can work with up-to-date trial balances and figures to build reports and analyse performance.

The more complex and varied your old databases are, the more work is required for cleaning and normalisation before import, which can affect the overall implementation cost. It is best to discuss your data migration requirements early in the system discovery process so you can best manage the cleaning and transition process.

The data migration is a major factor during the implementation, and Kilimanjaro Consulting has developed additional tools and intelligence to speed up this process when migrating from MYOB AccountRight or MYOB Exo into MYOB Acumatica. This process will result in a cheaper migration, lower-cost implementation, and fewer internal resources used.

What are the differences between different ERP systems?

While every ERP system is an upgrade compared to every accounting system, it is also important to be aware of the differences between individual ERP systems. Each system has its own strengths and weaknesses. Some are built to cater for specific industries, some place a focus on integration and connected applications, others focus on balancing usability with functionality. There is a best-fit ERP system for your business, and it may not be one of the leading options. This is a challenge when it comes to identifying the right system for your organisation, and why you should trust the expertise of experienced software guides.

Kilimanjaro Consulting are MYOB ERP specialists. We only work with MYOB Exo and MYOB Acumatica because we believe they are the best-fit systems for the majority of Australian and New Zealand organisations that require an ERP system. But even when looking at these two options, there are 8 key differences between MYOB Exo and MYOB Acumatica.

Why the Implementation Partner Matters as Much as the Software

MYOB Acumatica is a sophisticated business management platform. It requires an in-depth solution design and configuration to meet your requirements and to add the most value to your organisation. While an MYOB Acumatica implementation may seem like a daunting project, this is not something you should attempt in-house. You should engage an expert implementation partner to guide you to a successful outcome.

Kilimanjaro Consulting is the largest and most experienced implementer of MYOB Acumatica across Australia and New Zealand. Our experienced team takes a low-risk approach to implementing MYOB Acumatica, ensuring that you get it right the first time. You may not have done this before, but we have, and we have numerous case studies that tell the story of these successful implementations.

As part of our structured MYOB Acumatica implementation methodology, we believe that the successful journey is focused on identifying four distinct states:

Current State: Understanding your current workflows.
Future State: Exploring the improvements from the implementation.
User Acceptance Testing and Training: Familiarising and testing before you go-live.
Go-Live: Delivering MYOB Acumatica to match your business requirements.

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Next Steps

If you are deciding between your accounting system and a new ERP system, our team can help. We have guided many similar businesses through the evaluation and decision-making process, and through the ERP implementation.

Talk to our team for a free discovery session and to understand if an ERP system like MYOB Acumatica is a good fit for your organisation. Email sales@kilimanjaro-consulting.com or call 1300 857 464 (AU) or 0800 436 774 (NZ).