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.

Audit engagement letter 101: A complete guide

Get clear on what an audit engagement letter is, why it matters, and what to include. Learn how to set expectations and protect your client relationships.

Anchor Team
February 9, 2026
26
min

AI sped up delivery. Billing is now the bottleneck.

AI is accelerating accounting work, but most billing workflows still rely on manual steps, exceptions, and after-the-fact invoicing. That mismatch creates cash lag, rising AR, and increased administrative workload.

Anchor Team
February 9, 2026
6
min

Atomic habits for cash flow: How small billing behaviors create financial certainty

AR usually isn’t a client problem. It’s a system problem caused by tiny workflow gaps: late invoices, inconsistent terms, undocumented exceptions, and scope changes that never hit billing.

Anchor Team
February 6, 2026
7
min

Recurring billing start date: Stop missing “start later” billing

“Start later” billing fails when the start date lives in someone’s memory instead of the billing system. Bill on Date lets you set the recurring billing start date in the proposal, so invoicing starts on the correct date.

Anchor Team
February 6, 2026
8
min

AR turnover formula: How to calculate and improve it

Learn the AR turnover formula, how to calculate it, and practical tips to improve your accounts receivable process for better cash flow and fewer headaches.

Anchor Team
February 5, 2026
24
min

5 best AR collections software to get paid faster

Find the best AR collections software for accounting firms. Compare top platforms that automate invoicing, payments, and help you get paid faster.

Anchor Team
February 4, 2026
24
min