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Paper & Pen Blog
Guides on invoicing, VAT, accounting and running a business in Oman and the GCC.
Free Tools Every Small Business Needs in 2026
A practical list of free tools that help small businesses invoice, quote, and get paid faster, with no sign-up required to start.
VAT-Compliant Invoicing in the GCC: A Practical Guide
How to issue VAT-compliant invoices in the GCC at 5%, what a tax invoice must show, and why tax rules differ in other countries.
What Is a Proforma Invoice? (And When to Use One)
A plain-English explainer on proforma invoices: how they differ from a real invoice, when to use them, and how to create one free.
How to Create a Professional Invoice (Free Template)
A step-by-step guide to creating professional invoices, with currency, VAT and payment tips that work in any country.
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