Resources
Everything we have written down
Guides on the things that are genuinely fiddly — Indian GST, US sales tax, forecasting irregular revenue, what an electronic signature is worth — plus honest comparisons and the blog.
From the blog
Read everything →How to forecast revenue when you do not bill the same amount every month
Project businesses are told to look at MRR, which they do not have. Here is a model that works when your income arrives in bursts: four layers, sorted by how certain each one is, never added together.
24 Aug 2026 · 4 min read
CGST and SGST, or IGST: how to know which goes on your invoice
One field decides it, and it is not the one most people think. A practical guide to place of supply for services, why exports are different, and the mistakes that cost the most to unwind.
11 Aug 2026 · 3 min read
How to chase an overdue invoice without damaging the relationship
Most unpaid invoices are not refusals, they are stuck in somebody's approval queue. A sequence that escalates in stages, asks for one specific thing each time, and never threatens.
28 Jul 2026 · 4 min read
Guides
Longer pieces on the parts that are genuinely fiddly.
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