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Online store · Appointment booking · Management software

Software built around how your business actually works.

You do not need to know anything technical. Pick your line of work and try the matching sample site — it actually runs, it is not a screenshot.

Try it, then trust us

What kind of business do you run?

Pick one. The sample screen rebuilds for that trade — adding to cart, ordering food, choosing an appointment time all really work. This is what we hand over.

Now showing: clothing shop — catalogue, cart, checkout.

What we build

Four kinds of solution

Mr. Vu Thanh Vinh, founder of Crown Software
Mr. Vu Thanh VinhFounder · Crown Software
Laptop showing the sample website
halongfashion.vn
Free delivery on orders over 500,000₫ · 7-day returns
Autumn 2026 collection

Linen, loose cut, comfortable all day.

New arrivals every Thursday. Try them in Bai Chay or order online.

Best sellers this week

-20%
Short-sleeve linen top320.000₫400.000₫
Straight-leg trousers450.000₫
New
Silk slip dress390.000₫
Lightweight windbreaker560.000₫690.000₫
© 2026 Ha Long FashionNationwide delivery7-day returnsHotline 0912 345 678

Our promises

Promises in writing, not in conversation.

The four below are what Crown Software is accountable for, written into the contract rather than promised in passing. As for capability, you have just tried it yourself above.

  • 4 hoursWe reply within four working hours, Saturdays included
  • 100%You get the full source code — you own it outright, never tied to us
  • 12 monthsTechnical faults fixed free of charge
  • 0₫No hidden fees. Fixed quote before any work starts
  • Hitachi
  • Fujitsu
  • Toshiba
  • Honda
  • Nomura Research Institute
  • LG Chem
  • Woori Bank
  • Lotte
  • GS Retail
  • Ministop
  • U.S.M. Holdings
  • Samyang Data System
  • Himacs
  • PSA Marine
  • Ufinity

How we work

Four steps, none of them left to guesswork.

  1. 01

    Talk

    You tell us what you sell and where it hurts. We do not ask which technology you want.

  2. 02

    Prototype

    We build a clickable prototype for you to try and adjust until you are happy — before you pay a thing.

  3. 03

    Build

    Real work, progress every week. You watch it grow instead of waiting in the dark.

  4. 04

    Hand over & stay

    Source code delivered, training given, twelve months of warranty and help whenever you need a change.

Get started

Tell us what you sell.

Fifteen minutes, no strings. If your problem does not call for software, we will say so.

By submitting, you agree to be contacted by Crown Software.