We build your software project that Works, and sells!

We turn your ideas into a high-profitable software business and scale it to the moon!

About Us

WE design & build software solutions for a specific NEEDS

Providing a full-service development of web & mobile applications, custom systems, financial software and exchange systems
About CPI
Software Development
Marketing & Optimization

CPI Technologies GmbH is a full-service company located in Mainz, Germany with focus on professional software development inblockchain, finance and AI, professional marketing and the development of highly efficient fundraising campaigns with security token offerings (STOs) on the blockchain.

CPI combines quality-oriented software development with the profitable techniques of online marketing. The >30-strong CPI team consists of software developers, blockchain and smart contract experts, marketing and analytics geniuses, top-level UX / UI designers, copywriters, data scientists and mathematicians, all working together on innovative projects for customers from all over the world.

The Legal Aspects
of Starting an STO

Discover how to make sure that your Security Token Offering is 100% compliant with laws and regulations - even if you have never launched one before.

Our Services

Services & Areas of Expertise

Thanks to skilled and experienced development team using agile methods, we are able to deliver to our clients high-quality software at top speed and efficiency.

IOS & ANDROID development

We develop your mobile app. From drafting to the publishing into the App Stores

financial software

Account, bookkeeping and balances? No problem for the CPI software

Exchange software

We have a ready-to-use blockchain currency crypto exchange for your business

Product management

We manage your Saas project, existing or from the scratch


Rocksolid and secure backend systems and APIs that will serve your needs


High-end UI/UX design for your application, so that users can use it like their kitchen devices

BLOCKCHAIN Development

Decentralized applications and use-cases are our speciality. Talk to our experts!

Artificial intelligence

Machine learning and deep learning are key for intelligent software and analytics

Our Workflow

We handle EVERYTHING for you, from top to bottom

Whether you’re just starting out or you’re a serial entrepreneur looking for your next opportunity, we have proven solutions that will help you rise above your competition and make you profitable within 3 months

Starting a software is a complex process. From drafting the requirements, to a UX concept, the development, marketing concept and the launch. And with the launch, the ride just begin: Continous optimization, improvements, A/B testing and conversation tracking are just some examples of the things necessary for the success of your software. Luckily, we will handle all this for you! Our team has the knowledge and experience to not only develop your app, but also to make it successful!

Development & Promotion

Analytics setup

Software Architecture

UX/UI Design

Development & Testing

Marketing strategy

Scaling & Optimization

10x the sales


We use latest technologies to deliver world class software for our clients










Case Studies

callab.me - Video Conferencing Re-imagined

callab.me is a video conferencing app that’s ridiculously easy-to-use, looks gorgeous on any device, and is designed to help you & your team have more productive conversations and less friction on prospect call
Web browser, Android App, iOS App, macOS, Windows, Linux
PHP, Laravel, WebRTC, VueJS, SQL, Kubernetes, Java Spring, Python, SIP
3x Laravel developer, 4x frontend developer, 1x SIP expert, 2x Java developer, Designer, QA + PM
01 of 4

Project Overview

A video software, that works on every browser, on every device.

With callab.me the CPI team developed a scalable, enterprise video software for multiple purposes. By utilizing common used SIP services, callab.me is accessable for everyone, with every device. Even by dialing in via telephone.

CPI Marketing

Get your business promoted & become THE leader in your sector

Beautiful & optimized software is just the first step. To be profitable and become a market leader, you also need professional marketing services. Our experienced team takes care of everything for you, from promotion & advertising to social media & conversion optimization. You just sit back, relax, and watch as your bank account grows bigger & bigger, day after day.

digital media marketing

Build an engaged audience with multi-channel media content, including video production

social media marketing

Win more visitors, users, and customers by promoting your product on social media.

sale strategies

Our expert marketing team handles all marketing strategy to make your business more successful

seo & sem campaings

More visitors from methods like SEO, & PPC campaigns with Facebook Ads & Google AdWords

oportunity for your company

participate in EU-funded projects for innovative software development

As a project partner we can help you go thru application process, give you legal support and develop software funded with EU grants.

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get funding up to
450.000 for your project

Get in Touch

How’d you like to become our next success story?

Schedule your free consultation call today and find out exactly how we can turn your vision into a profitable company that will take the market by storm.
+49 6131 48 99 003

Write Us a Message

Financial Software
that Sells


CPI Technologies GmbH, Anni-Eisler-Lehmann-Str. 3, 55122 Mainz, Germany

+49 6131 48 99 003


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