Engage with the Emerging

Innovate Business. Automate Process. Industrialize AI. B & D | Sustainable Technology is a global standard IT Company based in Bangladesh and Germany, providing custom software development and Accounting and bookkeeping services.

The company not only supports its customers in selecting, installing and commissioning the software that is best suited for them, but is also available as a German-speaking contact person for questions and problems - on site or “remotely” via the service employees at the company headquarters near Frankfurt am Main. In addition, B & D offers training and individual training for safe use of the respective software.

We Provide Awesome Services

A complete solution for preparing for your success


Bade-st Inc has established itself as a reliable provider of quality and robust applications that reacts to all changes in the market and gives its customers challenging solutions based only on the latest technologies.


Our technical team master a comprehensive set of tools and technologies especially C++, C#, PHP, Vue JS, Node Js, Python, Laravel Framework during project development.


We are a technology consulting firm passionate about helping clients with their digital transformation using Amazon AWS and Microsoft Azure together. This ensures ideal networking, security, analytics and management at your work.

Solutions Overview

We offer solutions in different areas like Web Design & Development, Trading system tools & plugins, Software & Financial applications, Internet/Intranet applications and e-Commerce & Integrated Business solutions. We believe in delivering services within the time limit and maintaining quality in everything we do has always been our priority.

Financial Management


Sales & Marketing

Payment API


Billing and Payroll



Bade-st at A Glance

Happy Clients

Works Completed

Years of Experience

Web Development

AI Engineer

Graphic Designer

Contact Us

+49 151 17644797

Am Roten Graben 8
60386 Frankfurt am Main

Business-Leading Support

Customer Support is always available. Contact us by email, live chat, toll-free telephone or the Web Control Center. Customer Support is available to resolve technical or administrative issues 24/7, 365 days a year. With rapid and intelligent assignment of your ticket, and team members especially reserved to deal with urgent problems at all times, your call or ticket will be quickly assigned to the person best placed to respond to your needs, and quickly resolved.