What software does a small business need to get started?

Updated October 2026 · How we answer

The core four

Almost every small business benefits from four basic tools: accounting software, a business email address, a document suite, and a simple customer relationship manager (CRM) or contact list. Accounting keeps your books clean for taxes. A branded email builds trust. Documents let you write proposals and invoices. A CRM or even a shared spreadsheet helps you remember who you talked to and what you promised.

You do not need all four on day one. If you are a solo consultant, for example, you might start with email and a spreadsheet, then add accounting when you have regular income. The goal is to avoid buying tools you will not use.

• Accounting: QuickBooks, Xero, Wave (free tier)
• Email: Google Workspace, Microsoft 365
• Documents: Google Docs, Microsoft Word
• CRM: HubSpot (free), Zoho CRM, or a spreadsheet

Add tools as you grow

Once you have customers, you may need invoicing, payment processing, project management, or scheduling. If you sell online, you will need an e-commerce platform. If you have a team, you may need a shared calendar, chat, and file storage. Many of these come bundled with the core tools you already have.

The key is to add software when a specific pain point appears—like missing invoices or double-booking clients—not because a tool looks nice. Most small businesses end up with 5–10 core apps, but you can start with two or three.

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