OUR COMPANY

Create the starting point.
Connect the work that follows.

ZERO TO ONE develops software for hotel operations
and the guest booking experience.

Connectivity and automation are at the heart of ZERO TO ONE. We bring OTA reservations, changes and cancellations together, and synchronize room availability and rates with connected channels. StaySync connects on-site bookings, payment results and sales records so hotel teams can manage their daily work in one place.

StaySync PMS serves owners, managers and registered staff at contracted hotels. Danjam is a separate guest-facing hotel booking app. Each product is designed around the people who use it.

CONNECTED CHANNELS

A wider network.
One place to run it.

Explore 75 OTA connections, including Google Hotels.
Select a brand to see its channel details.

Connection approval, supported functions and distribution depend on the channel and property configuration.

OUR DIRECTION

From manual work to automation.
Toward greater hotel independence.

More control for hotels.
More reasons for guests to return.

We start by helping hotels manage reservations across distribution channels. We also work toward a foundation for hotels to reach their guests directly. StaySync and Danjam bring this direction to life through two complementary products.

STAYSYNC

The operational foundation

Reservation automation · Guest information · Shift handovers

DANJAM

The guest connection

Direct booking · Returning guests · Hotel identity

GROWTH

Grow with local hotels

Based in Changwon, we aim to work with local accommodation businesses and bring the experience to more hotel teams.

Start with the work on the ground

Reservation lookup, check-in, check-out and availability checks shape the way we design our products.

Make records understandable

We distinguish payments made through external services from the payment records hotel staff maintain in PMS.

Respect each user’s role

Staff access to hotel operations and the guest booking experience are designed separately.

Company: ZERO TO ONE
Korean registered name: 주식회사 제로투원
Representative: 최정환 (Korean registered name)
Business registration: 835-87-03326
Business: Information and communications · Software development and supply
Office: Room 117, Gyeongnam Tourism Support Center, 91 Chunghon-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do, Republic of Korea
Contact: official.zerotoone@ztoone.kr ↗

COMPANY & PRODUCT BROCHURE

A closer look at
the way we connect hotel operations.

Explore reservation management, channel connectivity, guest relationships and operational records in our 20-page company and product brochure.

Download brochure (PDF) ↓Open in browser ↗

Korean brochure · 20 pages · Web-optimized PDF. Features and contacts in this existing brochure may differ from the current service. Refer to this website for current availability; contact official.zerotoone@ztoone.kr.

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