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Invoicing Tips & Guides

Practical advice for freelancers and small businesses on invoicing, GST, payment terms, and getting paid on time.

Invoicing Basics

Credit Note Guide: When and How to Issue One

When to issue a credit note, what it must contain, how it differs from a refund, what to send if you undercharged, how the GST adjustment works, whether there is a deadline for issuing one, what to do when you receive one, and how to handle a debt that will never be paid.

August 2026 · 20 min read Read →
Invoicing Basics

Proforma Invoice: What It Is and When to Use

What a proforma invoice is, when to send one, how it differs from a tax invoice, why Singapore Customs won't accept one for permits but US Customs will if you post a bond, when taking a deposit against one triggers GST, what changes if you quote in a foreign currency, why the HS code is the field buyers actually need, where it sits under Singapore and Malaysia e-invoicing, why proformas need their own number series and what breaks if they don't, why it's the document invoice fraudsters target most, and why a final invoice still has to follow.

August 2026 · 18 min read Read →
Freelancing

Freelance Rates in Asia 2026: What to Charge

Real hourly rates for Singapore and Malaysia by skill and experience, how to convert a salary into a rate, hourly vs fixed, and when to raise your prices.

July 2026 · 9 min read Read →
Invoicing Basics

Receipt vs Invoice: What Is the Difference?

The real difference between a receipt and an invoice, what each includes, when to issue which, how they work in accounting, and the Singapore and Malaysia rules.

July 2026 · 7 min read Read →
GST

GST Invoice Guide Singapore 2026: What to Include

Who must issue GST invoices, the mandatory fields IRAS requires, simplified vs full tax invoices, common mistakes, and how to create one free.

July 2026 · 9 min read Read →
Getting Paid

How to Write an Invoice Email That Gets Paid Fast

A subject line formula, a proven email body structure, and 3 ready-to-use templates for the initial send, reminder, and final notice.

July 2026 · 8 min read Read →
Invoicing

Purchase Order vs Invoice: What Is the Difference?

Who issues what and when, why three-way matching holds up your payment, what to do when the buyer raises the invoice instead of you, and how e-invoicing mandates from the EU to India are changing the process.

October 2026 · 19 min read Read →
Tax

Singapore Sole Proprietor Tax Guide 2026

The two filing triggers most people miss, whether overseas client income counts, why the No-Filing Service probably doesn't cover you, how MediSave doubles as a tax relief most sole proprietors never claim, the ceiling where MediSave stops, and how to fix a mistake before IRAS asks.

September 2026 · 21 min read Read →
Payment Terms

Invoice Payment Terms Guide: Which to Use and Why

What net 30, net 15, and due on receipt mean, which to choose, how terms hit your cash flow, adding a late fee, and enforcing terms in Singapore.

July 2026 · 8 min read Read →
Getting Paid

How to Chase Late Payments Without Damaging Client Relationships

When to follow up, email scripts that work, how to escalate professionally, and your legal options in Singapore.

July 2026 · 8 min read Read →
Contracts

Freelance Contracts in Singapore: What to Include to Protect Yourself

Why contracts matter, essential clauses, scope creep protection, payment terms, and dispute resolution for freelancers.

July 2026 · 9 min read Read →
Invoicing

8 Invoice Mistakes That Delay Your Payment (And How to Fix Them)

The eight most common invoice mistakes that delay payment, from missing information to no follow-up system, and how to fix each.

July 2026 · 8 min read Read →
Singapore

Sole Proprietor Invoicing in Singapore: Full Guide 2026

What to include, your UEN, when GST applies at S$1 million, how long to keep records for IRAS, and how to get paid faster.

July 2026 · 8 min read Read →
Freelancing

Freelance Contract Guide for Singapore and SEA 2026

The clauses that protect you from unpaid work and scope creep, payment terms, IP ownership, and what differs across SEA.

July 2026 · 9 min read Read →
Malaysia

Malaysia SST Invoice Guide 2026: What to Include

The 8% service tax rate, the RM500,000 registration threshold, what a valid SST invoice must include, how it differs from GST, and how to file.

July 2026 · 8 min read Read →
Regional

Singapore vs Malaysia Invoicing: Key Differences for SEA Freelancers

GST vs SST, registration thresholds, invoice requirements, currency and payment, and what changes when you work across both markets.

June 2026 · 8 min read Read →
SEA

How to Invoice as a Freelancer in Southeast Asia

Universal invoice requirements plus tax rules for Singapore, Malaysia, Philippines, and Indonesia, payment terms, and common mistakes.

June 2026 · 9 min read Read →
Templates

Free Invoice Templates for Singapore Freelancers: Which One to Use

Standard, GST, freelancer, service, and contractor templates explained, plus when to issue a receipt and what to do when a client does not pay.

June 2026 · 8 min read Read →
Singapore

How to Create a Professional Invoice in Singapore (2026 Guide)

What you must include on a Singapore invoice, how to number them correctly, setting payment terms, and following up on late payments.

May 2026 · 7 min read Read →
GST

GST Invoice Requirements in Singapore: A Practical Guide for Freelancers

When you need to charge GST, the 2026 GST rate, what a compliant tax invoice must include, and the most common mistakes to avoid.

May 2026 · 6 min read Read →
Freelancing

10 Invoicing Tips Every Freelancer Should Know

From sending invoices immediately to knowing when to escalate unpaid bills, these practical tips help you get paid faster and more reliably.

May 2026 · 8 min read Read →
Getting Paid

How to Write an Invoice Email That Gets You Paid Faster

The way you send an invoice matters as much as the invoice itself. The right subject line, body, and timing can cut your average payment time significantly.

May 2026 · 6 min read Read →
Getting Paid

Freelance Payment Terms Explained: Net 7, Net 30 and What to Use

Net 30 sounds professional but it means waiting a month to get paid. Here's what payment terms mean and which ones actually work for freelancers.

May 2026 · 6 min read Read →
Invoicing Basics

Invoice vs Receipt: What's the Difference and When to Use Each

An invoice requests payment. A receipt confirms it. Knowing which document to issue and when avoids confusion and keeps your records clean.

May 2026 · 5 min read Read →
Getting Paid

How to Follow Up on a Late Invoice Without Losing the Client

Most late payments aren't deliberate. Here's a three-step email sequence to recover what you're owed without damaging the working relationship.

May 2026 · 6 min read Read →
Invoicing Basics

What to Include on a Freelance Invoice: The Complete Checklist

Every field that belongs on a professional invoice, why it matters, and what to put in it so clients have no reason to delay payment.

May 2026 · 6 min read Read →
Freelancing

How to Invoice as a Freelancer in Singapore (2026 Guide)

Business registration, what to include, GST rules, PayNow for faster payment, the right payment terms, and what to do when clients don't pay.

June 2026 · 7 min read Read →
Quotes

How to Write a Professional Quotation in Singapore (Free Template)

A clear quotation wins the job and prevents scope disputes. What to include, how to set validity, whether it is binding, and how to convert to an invoice.

June 2026 · 7 min read Read →

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