Client Resources

Guides, Tools & Useful Reading.

Practical resources to help you understand your finances, protect your business data, and get more out of your relationship with your bookkeeper.

Newsletters & Guides

From the Desk of Petry Bookkeeping

Plain-English articles on topics that matter to small business owners — written by people who work with your books every day.

Business Resource Guide

Microsoft Copilot & Your Business Data

Copilot is now embedded in Word, Excel, Outlook, and PowerPoint — and it may already be active on your computers. This guide explains what it accesses, what the real risks are for financial services firms, and exactly how to protect your data.

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Client Guide

Passkeys: What They Are and What To Do About Them

Passkeys are replacing passwords across the web. This plain-English guide explains what they are, how they compare to strong passwords and password managers, and exactly what to do about them today.

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Client Guide

Using AI Safely in Your Business

AI tools like ChatGPT, Claude, and Google Gemini are genuinely useful — but there are important things every business owner should understand before making them part of your regular workflow.

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Essay

AI Isn't the Security Problem You Think It Is

A plain-English security primer from someone who spent 14 years in software development before ever touching a bookkeeping file. The real vulnerabilities aren't where most people are looking.

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Guide

What Your CPA Actually Needs From Your Books

A practical checklist for what clean, CPA-ready books look like — and what happens when they're not.

Coming Soon
Financial Tools

Quick Calculators for Business Owners

Simple tools to help you think through your numbers — no login required.

Calculator

How Much Is DIY Bookkeeping Costing You?

Estimate the real cost of managing your own books — in time, errors, and missed opportunities.

Coming Soon
Calculator

Payroll Tax Estimator

A quick estimate of your payroll tax obligations based on your team size and compensation.

Coming Soon
Quiz

Should I Hire a Bookkeeper?

Answer a few questions about your business and we'll tell you whether DIY is still working — or whether it's quietly costing you.

Coming Soon

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