40%
more online bookings
80%
fewer scheduling conflicts
30%
better resource utilization
60%
faster campaign setup and tracking

Online shop to sell different types of products and services, alongside making reservations, managing customer cards, and managing resources

n-tree sought to develop a dynamic online platform that could manage sales, reservations, and resources for businesses in sectors such as spas, swimming pools, and sports centers. The system needed to handle ticket sales, event scheduling, and resource optimization while integrating third-party marketing tools for enhanced visibility. This use case demonstrates how the project achieved these goals, streamlining operations and boosting efficiency for businesses.

Industry
Country
Switzerland
Project duration
7 years
Team
  • 5 full-stack developers
  • 1 designer
  • 1 QA
Project url

About the client

The client, n-tree, operates out of Switzerland and Austria, providing innovative solutions tailored to businesses that rely heavily on ticketing and reservation systems. Their client base includes organizations managing tourist railroads, spas, swimming pools, and sports venues. n-tree’s mission is to streamline and automate these processes, helping their clients improve operational efficiency. They required a system that could handle complex bookings and resource management, and offer businesses tools to promote their services through online sales and marketing.

“TwinCore helped us automate bookings, reduce errors, and scale the system without SaaS limitations.”

Bruno Maurer
Bruno Maurer
Managin Director, N-tree

What client received

  • Online ticket and service sales

    Problem: The client needed one platform to sell tickets, services, and customer cards online instead of relying on fragmented sales and reservation flows.

    Result: The new platform made it easier to shift transactions online and reduce manual front-desk effort.

    40%
    more online bookings
  • Reservation calendar and scheduling

    Problem: The client needed to manage event duration, attendee capacity, and facility availability without overlaps or overbooking.

    Result: The solution improved scheduling accuracy and reduced administrative effort in day-to-day booking operations.

    80%
    fewer scheduling conflicts
  • Resource management

    Problem: The business needed to optimize the use of facilities and staff while ensuring resources were allocated efficiently across bookings.

    Result: The platform helped teams fill available slots more effectively and improve operational efficiency.

    30%
    better resource utilization
  • Marketing and booking visibility

    Problem: The client needed to connect reservations and online sales with marketing tools while giving businesses clear visibility into who booked what, when, and for which service.

    Result: The solution improved campaign execution, booking transparency, and decision-making across operations and marketing.

    60%
    faster campaign setup and tracking

Project Goal

This project aimed to build a comprehensive, all-in-one online platform that allows businesses to sell products and services, manage reservations, and handle customer cards, all while ensuring smooth resource management. The system was designed to serve various industries such as spas, swimming pools, sports centers, and museums, making it easier for businesses to handle bookings, optimize schedules, and ultimately increase their revenue. The platform’s versatility also extends to customer relationship management (CRM), allowing for the efficient handling of just-in-time events like courses and treatments.

Experts says

Alex S
Alex S
Full stack .NET developer

“One of the key challenges was building a system that could support complex booking logic, real resource planning, and multiple integrations without sacrificing usability. Our team created a platform that is flexible enough for different industries and locations, while remaining stable, maintainable, and ready for further expansion.”

Booking & Reservation System for Online Service Sales

Solution

Our team developed a powerful and flexible e-commerce platform, coupled with a robust CRM and reservation system, that seamlessly integrates all aspects of customer interaction and resource management. Businesses can now:

  • Easily sell tickets online for services like spa treatments, swimming pool access, and other events.
  • Manage event details such as duration, attendee capacity, and the number of available facilities, ensuring that bookings never overlap or exceed available resources.
  • Use a smart scheduling system to optimize the use of facilities and staff, enabling businesses to fill all available slots and maximize their revenue.
  • Connect with third-party marketing tools like Google Tag Manager to run targeted ad campaigns across platforms like Facebook and LinkedIn.
  • Streamline the booking process, allowing customers to purchase tickets online and providing businesses with detailed information about every booking, including who, when, and what.

This solution simplifies operations and enhances the overall customer experience. For example, a company managing multiple swimming pools can not only sell tickets but also manage complex schedules involving different events and instructors. The system’s CRM ensures that businesses can see who’s booked what, manage resources effectively, and grow their operations with confidence.

  • Booking & Reservation System for Online Service Sales screenshot 1
  • Booking & Reservation System for Online Service Sales screenshot 2
  • Booking & Reservation System for Online Service Sales screenshot 3
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    Features/Challenges

    • Ability to use external authenticated providers based on OpenID Connect.
    • Custom cache management with Redis.
    • CMS behavior (client-side).
    • Separate administration panel for managing user access and system configuration.
    • Manage user access permissions and email templates.
    • RESTful API approach with Swagger for internal APIs.
    • Google Analytics API integration.
    • Google Tag Manager API integration.
    • Google Merchant Center integration.
    • Google Calendar API integration.
    • Google Wallet API integration.
    • Apple Wallet Passes generation.
    • Payment providers integration (e.g., Saferpay, PayPal, PayOne, QuickPay, etc.).
    • Automated deployments for different platforms.
    • Unit tests to identify and fix business process issues.

    Modules

    • NopCommerce-based shop for online selling and card management (legacy).
    • Reservation System using WCF (legacy).
    • Middleware for communications with customer’s API using WCF (legacy).
    • ASP.NET Web API for mobile app.
    • Mobile app in Xamarin.Forms used by course teachers.
    • Central application to manage client’s shops.

    Technologies used

    nopCommerce
    ASP.NET Core
    ASP.NET Web API
    WCF
    redis
    linq2db
    MongoDB
    MS SQL
    Xamarin.Forms
    IIS

    Results

    The outcome of the project exceeded expectations. Businesses using the platform saw a substantial improvement in how they managed their resources and bookings. They could now easily sell tickets, manage their services, and optimize schedules for maximum efficiency. Customers, on the other hand, enjoyed a smooth booking process that made it easy to reserve spots for events like swimming lessons or spa appointments. The integration with marketing tools allowed companies to attract more customers through well-targeted ad campaigns, resulting in increased visibility and sales.

    Moreover, businesses could manage customer cards and monitor resource allocation through a detailed calendar system, ensuring they were always aware of bookings, availability, and usage patterns. This not only improved operational efficiency but also helped to boost revenue by making the best use of available resources. Whether managing multiple facilities or scheduling instructors, the platform provided clear, actionable insights to drive growth.

    Project results image

    Revolutionizing Resource Management with n-tree

    The solution developed for n-tree has redefined how businesses manage online sales, reservations, and resource allocation. By creating a comprehensive, flexible platform, we’ve empowered companies to effortlessly handle everything from product sales to bookings and resource optimization.

    With the ability to sell tickets, schedule events, and monitor resources in real-time, businesses can now operate with greater efficiency. The user-friendly CRM allows businesses to set restrictions, track bookings, and optimize the use of resources such as swimming pools, massage rooms, or sports centers. This not only ensures smoother operations but also enhances revenue by utilizing available resources to their fullest potential.

    Companies can further boost their visibility and customer engagement by integrating third-party marketing tools such as Google Tag Manager and running targeted campaigns on platforms like Facebook and LinkedIn. The seamless integration of various tools and APIs enables businesses to automate processes, while the system’s scalability supports future growth and expansion.

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