Software partner for small business

Software that helps small businesses run.

We started as one freelancer solving problems for clients around the world. Hundreds of projects later, we're a team that builds custom software and our own products — POSSO and ScheduleFlow.

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FR

"Fewer mistakes, and the floor staff learned it in an afternoon." Owner, family restaurant · Ho Chi Minh City

Illustration of colourful buildings around a globe, with pins connecting clients in different countries
Clients served100+
Countries10
Years building10
Sherwindang is trusted by small businesses and startups in 10 countries
Hotels
Restaurants
Retail
Startups
Delivery
Services

Three ways we help your business run.

Each one came from problems we kept solving for clients. One team builds and supports all three.

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Software agency

Your development partner

Custom software for startups and small businesses that need it to run their operations.

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POSSO

POS built per business type

Hotels, F&B and delivery — growing into AI that changes how customers buy.

Visit the POSSO site ↗

Problem first. Code second.

The same five steps behind every project, product and partnership.

  1. 01

    Listen

    We map how your team works and where time leaks.

  2. 02

    Scope

    The smallest useful build, with a clear price.

  3. 03

    Build

    Weekly demos, working software early.

  4. 04

    Ship

    Live with your team, improved on real use.

  5. 05

    Partner

    Support and new features as you grow.

Our team at work

Started with one laptop and one client.

Years as a development partner for small businesses showed us the same problems again and again. We built a team to solve them properly — for clients, and with products of our own.

  1. 2016Freelancer. One person, clients worldwide.
  2. 2019Hundreds of clients. The partner small businesses call back.
  3. 2023Sherwindang. A team and a startup.
  4. TODAYThree core products. Agency, POSSO and ScheduleFlow.

Built for the businesses we know best.

Solutions shaped by years of work in these industries.

All solutions
HotelsRooms and restaurant on one billRestaurants & cafésTables, kitchen and stock in syncDeliveryEvery channel in one queueRetailOne stock, in store and onlineStartupsFrom idea to first version

Proven with small businesses worldwide.

Case study · A family restaurant in Ho Chi Minh City — order errors down 40% in the first month.

Before

Orders written on paper, shouted to the kitchen and re-typed at the till.

With Sherwindang

A POSSO setup for the floor and kitchen, live in one week.

Result
−40%

Order errors · illustrative, 2026

They treated our MVP like their own product. We had real users within weeks, not quarters.
FSFounder, fintech startupSingapore
Orders go straight to the kitchen now. Fewer mistakes, and the floor staff learned it in an afternoon.
FROwner, family restaurantHo Chi Minh City
A month of posts planned in one sitting. We stayed visible even in the quiet season.
BHManager, boutique hotelHoi An

Lessons from building for small business.

Practical notes from our blog.

All articles
POS & commerceHow to choose a POS for a small hotelSep 28, 2026 · 6 min readSmall business5 signs your business has outgrown spreadsheetsSep 21, 2026 · 5 min readAI & contentPlan a month of social posts in one hour with AISep 14, 2026 · 7 min read

Have a problem software should solve?

Tell us how your business runs today. We'll reply within 1 business day with an honest take.

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