The Cuadra blog
Practical guides to charge faster, stop missing appointments, and know what you keep.
- FEL certified
- Made in Guatemala
- 30-day guarantee
- No charge until day 15
Inventory control for your shop: a practical guide
How to keep inventory in a shop in Guatemala: physical counts, shrinkage and its causes, reorder points, average cost and expired stock.
- guíasPOS
How to choose a system for your shop in Guatemala
An honest guide to picking a point-of-sale and inventory system in Guatemala: FEL, the real cost, a one-week trial plan, and when you do not need one yet.
Heinz Kirste9 min read - guíasFEL
How to choose a FEL certifier in Guatemala
The 18 certifiers authorised by the SAT, why none of them publishes a price, when the free App FEL is all you need, and how to switch without going dark.
Heinz Kirste9 min read - guíasFEL
Is the SAT’s free App FEL enough for you?
What the SAT’s free FEL application does and does not do, according to its own manuals, and the exact moments a business outgrows it.
Heinz Kirste7 min read - guíasFEL
The complete guide: how to issue FEL in Guatemala (2026)
How to get enabled as an issuer with the SAT, what a certifier actually does, what it really costs, and how to issue your first electronic invoice.
The Cuadra Team10 min read - productohistoria
Welcome to Cuadra — why we built v2
The first version of Cuadra proved that a business in Guatemala deserves an honest, well-built system. v2 is everything we learned, put into practice.
Heinz Kirste4 min read - guíassalones
The best POS software for beauty salons in Guatemala
An honest comparison of the options available to salons in Guatemala. Which ones work, which overcharge, and how to choose.
The Cuadra Team11 min read - guíassalones
How to open a beauty salon in Guatemala in 2026
Permits, tools, your first hires, and how to get paid properly. A practical guide to opening your salon without bleeding money along the way.
The Cuadra Team8 min read - guíaspagos
How to accept cards in your business in Guatemala (2026)
Payment processors, the real fees, and what to ask before you sign a contract. A jargon-free guide for business owners.
The Cuadra Team7 min read - guíasemprendimiento
10 common mistakes when opening a business in Guatemala (and how to avoid them)
The most common mistakes we see in new businesses in Guatemala — from not keeping books to not separating personal finances. Real lessons.
The Cuadra Team8 min read
Made in Guatemala
See what you made today
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14 days of Pro · No charge until day 15