Accounting software
Learn what accounting software is, how it works, and how to choose the right fit for your NZ small business.
Published Friday 16 October 2026
Table of contents
Key takeaways
- Accounting software handles everyday bookkeeping and accounting tasks, stores your financial data, and is often cloud-based.
- Core jobs include recording income and expenses, invoicing, bank reconciliation, GST, payroll, and reporting.
- Cloud-based software lets you work from anywhere and share access with your accountant, while desktop software runs on one computer.
- The right software saves you time, cuts manual admin, and gives you a clearer view of your cash position.
- When you choose, weigh your business needs, pricing, cloud versus desktop, and New Zealand compliance like GST and payday filing.
What is accounting software?
Accounting software is a tool that handles your accounting and bookkeeping tasks and stores your financial data in one place. Most modern options are cloud-based, so you can log in from a browser or an app rather than one fixed computer.
It records the money coming in and going out, keeps your records organised, and turns that data into reports you can act on. That means less paper, less manual entry, and a clearer picture of how your business is tracking.
How accounting software works
Accounting software connects to your bank and other business tools, then captures and organises each transaction as it happens. From that data it runs the routine finance jobs you'd otherwise do by hand.
- Recording income and expenses as they come in and go out
- Creating and sending invoices, then tracking who has paid
- Reconciling bank transactions against your records
- Calculating GST and preparing figures for your return
- Running payroll and paying your staff
- Producing financial reports like profit and loss and the balance sheet
Types of accounting software
Accounting software generally falls into two groups: cloud-based and desktop. Knowing how they differ helps you pick the setup that suits how you work.
Cloud-based accounting software
Cloud-based software runs online, so your data lives on secure servers rather than a single machine. You can log in from a laptop, tablet, or phone, and your accountant can see the same up-to-date numbers you do.
Desktop accounting software
Desktop software is installed on one computer and stores your data on that device. It works without an internet connection, but access is tied to the machine it's loaded on, and you usually handle your own backups and updates.
Cloud vs desktop: which is right for your business
If you want to work from anywhere, share access easily, and keep your data backed up automatically, cloud-based software is usually the better fit for a small business. Desktop software can suit you if you prefer everything on one computer and rarely need remote access, though you take on updates and backups yourself. Most New Zealand small businesses lean towards cloud-based options for the flexibility and the real-time view of their finances.
Key benefits of accounting software
Good accounting software takes routine finance work off your plate and helps you make confident decisions. The main gains show up across your day-to-day admin and your reporting.
- Saving time by automating manual tasks like data entry and reconciliation
- Improving accuracy and reducing the errors that come with spreadsheets
- Giving you real-time cash flow visibility so you know where you stand
- Making GST and tax compliance easier with organised, ready-to-use records
- Letting you collaborate with your accountant on the same live data
- Simplifying audits because your records are complete and easy to find
Key features to look for
Features vary between products, so it helps to know which ones matter for your business. Look for tools that cover the jobs you do most and the ones you'll grow into.
- Invoicing that lets you send, track, and get paid on time
- Bank reconciliation that matches transactions quickly
- Financial reporting for profit and loss, cash flow, and the balance sheet
- Payroll to pay staff and meet your obligations
- Inventory tracking if you buy and sell stock
- Multi-currency support if you trade overseas
- App integrations that connect your other business tools
- Data security and automatic backups to keep your records safe
Who uses accounting software?
Accounting software suits businesses of all sizes, from a one-person operation to a growing team. It's built for the people who need to keep finances organised without spending all day on admin.
- Sole traders who want a simple way to track income, expenses, and GST
- Small businesses that need invoicing, payroll, and reporting in one place
- Accountants and bookkeepers who manage the books for their clients
If you'd rather hand some of this over, you can also work with an accountant or bookkeeper who uses the same software you do.
How to choose accounting software
The right choice comes down to what your business actually needs today and where you're heading next. Weigh these points before you commit.
- Your business needs, including invoicing, payroll, inventory, and reporting
- Free versus paid options and what each one includes
- Pricing models, such as monthly plans that scale as you grow
- Cloud versus desktop, based on how and where you want to work
- New Zealand compliance, including GST and payday filing with Inland Revenue
Manage your books with Xero accounting software
The right accounting software keeps your finances organised, cuts manual admin, and gives you time back to run your business. You can explore online accounting software built for small businesses and try it before you commit, so get one month free.
FAQs on accounting software
Here are answers to some frequently asked questions about accounting software to help you decide what's right for your business.
What does accounting software do?
It records your income and expenses, handles invoicing, bank reconciliation, GST, and payroll, and stores your financial data in one place. It then turns that data into reports you can use to make decisions.
What is the difference between cloud and desktop accounting software?
Cloud-based software runs online, so you can access it from any device and share live data with your accountant. Desktop software is installed on one computer and stores your data on that machine.
How much does accounting software cost?
Costs vary, with some free tools and paid plans usually charged as a monthly subscription. The price generally reflects the features you need and how much your business is growing.
Do I still need an accountant if I use accounting software?
Software handles the day-to-day work, but an accountant can add advice, planning, and a check on your compliance. Many small businesses use both, sharing the same data to save time.
What should I look for when choosing accounting software?
Look for the features you use most, such as invoicing, reconciliation, payroll, and reporting, plus data security and app integrations. Also check that it supports New Zealand compliance like GST and payday filing.
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Disclaimer
This glossary is for small business owners. The definitions are written with their requirements in mind. More detailed definitions can be found in accounting textbooks or from an accounting professional. Xero does not provide accounting, tax, business or legal advice.