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.

How to Legally Pass Credit Card Fees to Customers

Get practical tips for passing on credit card fees to customers legally, with clear steps to stay compliant and keep your client relationships strong.

Anchor Team
September 18, 2025
28
min

Days Payable Outstanding (DPO): The Ultimate Guide

Learn what days payable outstanding means, how to calculate it, and practical tips to manage DPO for healthier cash flow and stronger supplier relationships.

Anchor Team
September 18, 2025
29
min

How to know if an invoice has been paid: A practical guide

Wondering how do you know if an invoice has been paid? Get practical tips to confirm payments, avoid errors, and keep your business finances on track.

Anchor Team
September 18, 2025
22
min

The Essential Guide to Accounts Receivable Management

Get practical tips for accounts receivable management, from invoicing to payment collection, and keep your firm’s cash flow steady and predictable.

Anchor Team
September 15, 2025
27
min

Outstanding Invoices: Your Guide to Getting Paid Faster

Get practical tips for managing every outstanding invoice, improving cash flow, and setting up a system that helps you get paid faster and with less stress.

Anchor Team
September 14, 2025
24
min

What to include in a letter of engagement

Learn what to include in a letter of engagement to set clear expectations, outline responsibilities, and build strong, professional client relationships.

Anchor Team
September 13, 2025
19
min