Billing and collections guides for
accounting and professional service firms

The Anchor blog explains how firms price work, write engagement letters, send invoices and collect payments. Each guide is written for accounting, bookkeeping, tax and professional services teams that want predictable cash flow without chasing clients.

3 payment reminder message templates that work

Get 3 effective payment reminder message templates to help you get paid faster while keeping client relationships strong and communication professional.

Anchor Team
March 4, 2026
26
min

The no-drama amendment system: How firms change scope without losing money (or trust)

Scope changes shouldn’t turn into free work or awkward billing. This guide shows a simple amendment system: spot the trigger, price it fast, document before work starts, and keep billing synced. Done right, amendments reduce surprise invoices and increase client trust.

Anchor Team
March 4, 2026
12
min

Client onboarding checklist: Make every new client billing-ready from day one

A practical client onboarding checklist that makes every new client billing-ready from day one. Learn how to map the payment path, lock PO and portal rules, and test your first invoice so cash doesn’t get stuck.

Anchor Team
March 4, 2026
8
min

How to stop unapplied cash from hiding late payments

Unapplied cash makes your aging report and cash forecasts unreliable, even when clients have already paid. This checklist shows how to tighten invoice hygiene, so payments get matched fast and your numbers stay trustworthy.

Anchor Team
March 4, 2026
11
min

How to create a retainer agreement that protects you

Learn how to create a retainer agreement that sets clear terms, protects your business, and builds trust with your clients from the very start.

Anchor Team
March 3, 2026
19
min

The hidden cost of invoice disputes: How decision drag kills your margin

Invoice disputes aren’t expensive because they happen. They’re expensive because they drift. This article presents a simple six-step operating system for consistently logging disputes.

Anchor Team
March 3, 2026
12
min