ERP vs. Accounting Software: Differences Explained
ERP software manages your entire business (including accounting), while accounting software manages only your financials. If you’re comparing options, start with our Best ERP Software and Best Accounting Software roundups.
The main difference is the number of capabilities offered by each system. An accounting system handles one area of your business. An ERP is meant to handle all of it, financials included.
- Accounting software provides financial management through accounts payable, accounts receivable, general ledger with reporting, and payroll.
- ERP software provides multiple modules, including those accounting features, plus supply chain management, inventory management, human resources, and eCommerce.
ERP vs. Accounting Software: 7 Key Differences
| ERP | Accounting | |
| Goal | Automate the majority of business processes at a workplace | Organize a company's financial and banking data |
| Key Features | Budgeting/forecasting, HR, CRM, inventory and supply chain management, plus accounting tools | General ledger, accounts payables, accounts receivables, financial reporting, and some payroll |
| Scope | Covers a wide variety of back-end business processes | Only covers finance-related business processes |
| Organization Size | Often used by medium to large enterprises, though can be used by smaller businesses | Used by businesses of all sizes |
| Cost | ERP software should cost about 3% of annual sales; can cost thousands per month | Varies widely, from forever-free to thousands a year |
| Integrations | Connects with third-party software to automate additional departments and business processes | Only really integrates with software which is not financial, such as payroll or an ERP |
| Users | Users can be in any department; anyone with a license can use the ERP with some training or tutorials | Users are only in accounting departments; may need to be certified accountants to use the software |
The easiest way to keep these straight is to think of accounting software as a subset of ERP software. Nearly every ERP includes some accounting capabilities in addition to its non-financial tools. An accounting system just handles the financial management, planning, and budgeting your organization needs.
As an example, imagine a very small business or startup. They can probably get by with just accounting software designed for small businesses for the first few years of operation. However, after they start to grow, they’ll need to upgrade to an ERP that can continue to scale with their increasing operations.
What Is ERP Accounting Software?
ERP accounting software is the financial management module inside an ERP system. ERP stands for enterprise resource planning, so in an accounting context, it refers to the general ledger, AP, AR, and reporting tools that sit alongside inventory, sales, and operations in the same database.
The practical difference shows up in how data moves. When you ship a product in an ERP, the inventory count drops, revenue is recorded, and an invoice is generated for the same transaction. Nobody rekeys a number into a second system, and nobody reconciles two versions of the same order at month’s end.
That single-entry model is the whole argument for an ERP accounting system. It’s also why ERP projects get expensive, since every department has to agree on how a transaction should be recorded before the software can enforce it.
Read more: What is ERP and How Do ERP Systems Work?
Understanding Accounting Software
Accounting software tracks financial transactions to record profit/loss and better improve business finances and overall cash flow. Core functionalities include general ledger (GL), accounts payable (AP), and accounts receivable (AR). Common additional functionalities include payroll services, billing, project management, and inventory management data.
Designed to be used by finance teams and accounting departments, this software makes it easier to monitor revenue, sales, and invoicing. Tracking these metrics provides increased visibility into the profitability of your organization. They also create key financial reports such as profit and loss statements, balance sheets, and income statements.
Between QuickBooks Online, Xero, and Sage, most business owners have used at least one of them. They each do a good job at the fundamentals, and for plenty of companies that’s all they’ll ever need.
Exploring ERP Software
Enterprise resource planning (ERP software) is an integrated suite of business applications designed to automate your organization’s back-office functions. This includes financials, sales, and operations with a focus on:
- Financial management
- Supply chain management
- Human resources
- Customer relationship management
- Inventory and warehouse management
Additional capabilities provide:
- Sales management via quotes, sales order processing, invoicing, returns and credits, and sales forecasting
- Procurement management via automated purchase orders and requisitions
- Production control via material resource planning and bills of materials
- Operations management via workflow-based alerts
- Improved inventory control via warehousing stock transfers and improved picking/packing
Not every platform includes all of this. But the premise holds regardless of which system you’re looking at: standardize operations, support financial compliance, and connect departments to the same set of records.
Is QuickBooks an ERP System?
No. QuickBooks is accounting software, not an ERP. It has no native modules for supply chain, production scheduling, HR, or warehouse management.
That said, the line is blurrier than it was five years ago. Accounting platforms have evolved well past basic bookkeeping, and when you connect QuickBooks to third-party tools for inventory control, project management, or manufacturing, it can function as a quasi-ERP for a while. Our best QuickBooks integrations roundup covers the add-ons companies typically reach for first.
Piecemealing software only gets you so far. There’s a point where running five connected systems slows the business down more than the integrations help, usually when someone has to maintain the connections, reconcile mismatches, or explain why two reports disagree.
Vendor marketing makes this harder to sort out. Software companies now call almost anything an ERP. Digit markets itself as a small business ERP and handles inventory and production management, but doesn’t include accounting. Campfire is positioned as an AI-native mid-market ERP, but it’s finance-first and doesn’t cover the operations side. Both are legitimate products. Neither is an ERP in the traditional sense of one system running every department.
When you’re evaluating, ignore the label on the website and list the modules you actually need.
Choosing the Right Software for Your Business
| Use ERP when… | Use accounting software when… |
| You need to automate operations at a medium to large enterprise | You want to organize financial data |
| You need to help multiple departments improve workflow | You only need to assist the accounting team |
| You have multiple locations, whether in one area or around the world | You have one or few locations to manage |
| You need a scalable, customizable solution to fit complex business needs | You can get by with out-of-the-box functionality |
| You have an extensive budget to work with | You have a limited budget to start |
Many businesses start out with a basic accounting software (such as QuickBooks Online) when new, but grow into an ERP solution for supply chain, inventory, eCommerce, and other non-financial needs that are required in a growing business.
This distinction does not mean that accounting software is only for smaller businesses and ERP software is for the larger ones. Many enterprises decide to use a dedicated accounting system that can handle multiple entities or multi-currency accounting. These systems are then integrated into an ERP.
Likewise, small business ERP software exists, which is meant to give a growing business a little bit of everything. However, it may still require a dedicated program for specific areas like bank reconciliations.
Company Size and Revenue Benchmarks
Across the digital transformation projects we’ve worked on, companies that move to an ERP usually have annual revenue between $2 million and $100 million. They typically have 10 or more employees and are still stitching operations together with spreadsheets and separate tools.
Revenue is a rough proxy, not a rule. Operational complexity is the better predictor: how many entities, locations, currencies, and hand-offs between departments you’re managing. If you want to pressure-test the numbers, our ERP pricing guide breaks down what companies at each size actually pay.
What It Really Takes to Switch Systems
Switching to an ERP is a bigger commitment than most vendors will tell you during a demo.
- Timeline. Implementations typically run from 3 months to over a year, depending on how many modules and entities are in scope. See our ERP implementation phases guide for what each stage involves.
- Cost. An ERP costs significantly more than accounting software, both in licensing and in the internal hours your team spends on configuration, data migration, and testing.
- Buy-in. You need agreement across the organization, not just in finance. Operations and warehouse staff are the ones whose daily workflow changes most.
- The cost of getting it wrong. If the system doesn’t fit, you’re not just paying to replace it. Getting employees to adopt a second new system is materially harder than the first, because they’ve already watched one rollout go badly. Our breakdown of ERP implementation failures covers the patterns that cause it.
If you’re building the internal case for the spend, how to build an ERP business case walks through the argument CFOs tend to respond to.
Spotlight on Top ERP Solutions
These are just a few of the top ERP solutions that include accounting functionality:
1. Oracle NetSuite
Utilized by over 40,000 organizations worldwide, NetSuite is a cloud-based ERP software solution that supports sales, finance, human resources, operations, and service. NetSuite uses a modular approach, starting with core financial functionalities like accounts payable/receivable, cash management, and project accounting, with other modules available separately.
2. Microsoft Dynamics 365 Business Central
Dynamics 365 Business Central is a great fit for those already familiar with using Microsoft interfaces. Its accounting module has tools for detailed audit trails to ensure greater transparency in financial transactions. Multi-currency and multi-language support also create scalability for growing companies with international business dealings.
3. Odoo
This open-source ERP solution offers end-users complete customization. Odoo has a standout accounting module that can be purchased independently. The pre-configured tax reports are based on fiscal localization, so businesses meet local compliance standards.
4. Acumatica
Acumatica has industry-specific ERP editions to help businesses get the best software tailored to their specific workflows. Businesses can pick the functionalities they need instead of using an overwhelming and expensive platform with everything. This approach makes Acumatica a good choice for mid-market businesses that may be beyond basic accounting software’s needs but not ready for an enterprise-level ERP.
5. SAP Business One
This ERP is a highly scalable solution that can grow with businesses. SAP Business One is primarily aimed at the SMB market. The multi-currency and multi-language support allow for international growth opportunities. However, users looking for full accounting services may be disappointed there isn’t a payroll module.
Conclusion: Which Is Best For Most Businesses?
Considering the full scale of possibilities, we recommend most businesses use ERP software to automate work. Accounting software is great for financials, but the minute you need inventory or order management services, an ERP is much less of a headache than integrating with another third-party tool.
Traditional accounting software is becoming less prevalent as businesses turn to fully integrated business management software to meet their needs. While part of this movement could be blamed by the ERP vendors of the world attempting to upsell more products, most businesses are more than satisfied using a unified system with end-to-end capabilities.
In short, ERP solutions are the best choice for growing businesses because they include everything offered by accounting software and then integrate them with non-financial tools.