One Click
Software product company

We build software that moves businesses forward.

ONE CLICK is a software product company building modern digital products for real-world businesses.

Software built around real businesses.

We do not start from a feature list. We start from an operation — a kitchen at peak service, a reception desk at midnight, a shop counter with a queue — and we design the software the work actually needs.

Then we stay with it. Every product we release is one we operate, support and keep correcting against how businesses really run.

Flagship product

Meet Harmony.

Product overview →

Harmony

FLAGSHIP · SINCE 2025

A POS and business management platform for restaurants, hotels and retail — built, run and supported by ONE CLICK.

harmonypos.io

Next product

NOT ANNOUNCED

We list a product once it is real and in use — never before.

Why we build

Five things we refuse to trade away.

01

Product thinking

Every request is traced back to the problem underneath it before a line of code is written.

02

Engineering quality

Small, reversible releases and a data model we can still explain a year later.

03

Real-world usability

Designed for a busy shift, not for a demo: large targets, few steps, no dead ends.

04

Reliability

The system keeps working when the connection does not, and reconciles when it returns.

05

Continuous improvement

What we learn from one venue becomes the default for the next one.

Technology

Data moves through four layers, and never stops at a broken one.

Local operation on the device, a synchronising core, and integrations that carry the regulatory obligations so the operator never has to think about them.

LAYER 01
Devices
The hardware our software runs on, on site.
LAYER 02
Local runtime
Full operation without internet; queued writes reconcile on reconnect.
LAYER 03
Cloud core
Identity, catalogue, sync and the shared API surface.
LAYER 04
Integrations
State systems and third-party services behind a single contract.
2025
Founded
+
Venues running Harmony
.
Flagship product
6201
Computer programming
NP
Novi Pazar, Serbia
Vision

Building the next generation of business software.

Product ecosystem

One platform underneath everything we ship.

CENTER
ONE CLICK
The service layer, data model and integrations every product inherits.
SHIPPING TODAY
Harmony
POS and business management for restaurants, hotels and retail.
FUTURE DIRECTION
Not announced
Anything built on the platform next will appear here only once it is real and in use.

Have a problem worth solving?

Tell us what you are running today and where it slows you down. Every message reaches the people who build the software.

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Contact

Talk to the people who build it.

Open the contact page →
REGISTERED OFFICE
Osmana Dervišnurevića 19, 36300 Novi Pazar, Serbia
DIRECT CONTACT
[ add ONE CLICK email + phone ]