Callum Reyes

Callum spent ten years as an outsourced bookkeeper for owner-run businesses: trades, agencies, a few online shops and one very busy bakery. He saw the same problems in all of them: profit on paper, no cash in the bank, and a growing pile of software subscriptions nobody remembered signing up for. At Emazoo he covers money and tools, and he will always show the arithmetic rather than ask you to trust a conclusion.

Covers

Cash flow
Bookkeeping
Pricing
Business software

Software
Spreadsheet or Project Management Tool? When a Small Team Should Switch

A shared spreadsheet runs more small companies than any software product. Here is how to tell when it has stopped working, and what a dedicated tool actually adds.

Callum Reyes Sep 29, 2026 3 min read
Cash Flow
The 13-Week Cash Flow Forecast, Explained for Small Businesses

Profit tells you whether the business works. Cash tells you whether it survives the quarter. A rolling 13-week forecast is the simplest way to see a shortfall before it arrives.

Callum Reyes Sep 24, 2026 3 min read
Marketplaces
What Selling on a Marketplace Really Costs: Seller Fees Explained

The headline commission is only one line. Here is every type of fee a marketplace can charge, and how to work out what you keep from each sale.

Callum Reyes Sep 14, 2026 2 min read

Covers

Spreadsheet or Project Management Tool? When a Small Team Should Switch

The 13-Week Cash Flow Forecast, Explained for Small Businesses

What Selling on a Marketplace Really Costs: Seller Fees Explained

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