Small Business
guides & how-tos
Invoicing guides for small businesses: purchase orders, remittance advice, recurring billing and choosing invoice software.
- 16 guides
- Checked against the real product
- Tax rules for 7+ countries
All Small Business guides

Contractor Invoice Template: Free Samples for Every Trade
One page, two audiences: independent contractors (W-9, EIN, 1099-NEC) and trade contractors (labour plus materials, progress billing, retainage, change orders), with worked samples for five trades.

Proforma Invoice: Meaning, Template and vs Commercial Invoice
A plain answer on what a proforma invoice is, when customs needs a commercial invoice instead, and a full export example with HS codes and Incoterms.
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Small Business, explained
Small businesses need invoicing that keeps up with them: quotes that become invoices, purchase orders, recurring billing for regular customers, supplier bills and a clear view of who still owes money. Good invoice software does this without the cost and learning curve of a full accounting suite. These guides explain purchase orders and remittance advice, recurring invoices, cash flow basics and how to choose invoice software that fits a small team.
Guides from the people who build it
No ghost-written filler. Every guide is tested on the real product and current tax rules before it is published.
Monjur builds Invoice Studio and incorporated MotionTrust Digital in September 2022, where he leads Amazon strategy across the client base. Eight years in e-commerce and marketplace marketing taught him how much time invoices and late payments eat, so every guide here is tested against the real product and current tax rules before it goes live.
- Builds and ships Invoice Studio
- Every feature mentioned is live today
- Official sources linked for tax rules
Small Business: quick answers
What is the best invoicing software for a small business?
Choose software that makes professional invoices quickly, takes online payments, sends reminders automatically and tracks expenses — at a price that suits your size. Try a free plan with your real invoices before you commit.
What is a purchase order?
A purchase order (PO) is a document a buyer sends to a seller to confirm what they want to buy and at what price. The seller then delivers and sends an invoice that references the PO number.
How can a small business get paid faster?
Invoice immediately, offer an online payment link, use short and clear terms, and send automatic reminders before and after the due date.