
Wallester is an Estonian-licensed financial institution and has been an official Visa partner since 2018, specialising in innovative digital financial solutions and card issuance. We empower companies across the European Economic Area (EEA) and the UK to streamline payments, launch branded cards, and scale efficiently.
What we do:
1. White-Label Solution with Embedded Finance
Our White-Label solution enables businesses to integrate financial services directly into their platforms - a concept known as embedded finance. This allows companies to launch branded payment cards tailored to their specific needs, enhancing customer experiences and opening new revenue streams. We ensure a swift time-to-market with simplified integration and dedicated support from our implementation team.
2. Wallester Business: Corporate Expense Management
Wallester Business is designed to modernise corporate expense management. It provides companies with instant access to virtual and physical Visa cards, streamlining financial processes through a modern app and comprehensive portal. Features include expense tracking, budget analytics, and seamless integration with accounting systems to enhance financial oversight and efficiency.
With a diverse team of over 190 professionals located in Estonia, Latvia, France and the United Kingdom, we are dedicated to developing high-quality, profitable products for our clients. Our passion for innovation drives us to improve and adapt to the evolving financial landscape continuously.
We aim to elevate businesses by providing the most advanced financial technologies, enabling them to reach new heights in efficiency and growth. We are always open to collaboration and eager to assist companies in navigating the future of finance.
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RaimaDB, an embedded time series database that can be used for Edge and IoT devices, can run in-memory. It is a lightweight, secure, and extremely powerful RDBMS. It has been field tested by more than 20 000 developers around the world and has been deployed in excess of 25 000 000 times.
RaimaDB is a high-performance, cross-platform embedded database optimized for mission-critical applications in industries such as IoT and edge computing. Its lightweight design makes it ideal for resource-constrained environments, supporting both in-memory and persistent storage options. RaimaDB offers flexible data modeling, including traditional relational models and direct relationships through network model sets. With ACID-compliant transactions and advanced indexing methods like B+Tree, Hash Table, R-Tree, and AVL-Tree, it ensures data reliability and efficiency. Built for real-time processing, it incorporates multi-version concurrency control (MVCC) and snapshot isolation, making it a robust solution for applications demanding speed and reliability.
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µGUI
µGUI is an open-source graphics library designed for embedded systems, offering free access to its features. It stands out due to its platform independence, allowing for straightforward adaptation to nearly any microcontroller setup. The library is versatile, supporting a wide range of display technologies, including LCD, TFT, E-Paper, LED, and OLED, as long as the display can render graphics. This flexibility means that developers are not confined to a specific type of embedded system when utilizing µGUI. To effectively implement µGUI, only two essential requirements need to be fulfilled, ensuring ease of use for developers. This makes µGUI an attractive option for those looking to integrate graphical interfaces into their projects.
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GUI Guider
GUI Guider is an intuitive graphical user interface creation tool developed by NXP that streamlines the process of building high-quality displays using the open-source LVGL graphics library. Its drag-and-drop interface simplifies the incorporation of LVGL's numerous features, including widgets, animations, and styles, enabling users to design a GUI with little to no coding required. With a single click, developers can either run their application in a simulated setting or export it to a target project. The code produced by GUI Guider can be seamlessly integrated into projects within MCUXpresso IDE or IAR embedded workbench, thereby enhancing the development workflow and facilitating the inclusion of an embedded user interface in applications. Additionally, GUI Guider is available for free for NXP’s general-purpose and crossover microcontrollers, and it comes with pre-built project templates for various supported platforms. This tool allows users to effortlessly navigate and utilize LVGL’s extensive library of widgets, making the creation of GUI applications both accessible and efficient. Furthermore, the user-friendly nature of GUI Guider encourages even those with minimal programming experience to participate in developing sophisticated interfaces.
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