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About Ice Tea Group

A transatlantic software company since 1998

Founded in 1998, Ice Tea Group is a transatlantic software company helping organizations modernize enterprise applications, adopt artificial intelligence, and accelerate digital transformation.

Through our U.S. and European organizations, we provide software products, modernization services, and long-term technology partnerships to customers worldwide, while supporting regional procurement and digital sovereignty requirements.

Our portfolio includes Wisej.NET, PPJ Framework, Wisej.AI, and TestVibe—technologies used to modernize legacy systems, build cloud-native applications, integrate AI, and automate software testing.

Our mission

For nearly three decades, our mission has remained the same: help organizations preserve, modernize, and extend the value of their software investments as technology evolves.

By the numbers

A track record built over decades

Since 1998 we have helped organizations across industries and continents modernize and extend their software. A snapshot of the work behind the company:

25+

Years delivering software

50+

Countries served

200+

Enterprise customers

100%

Success rate

800+

Projects delivered

5,000+

Applications powered

Who we work with

Enterprises & corporationsIndependent software vendorsPublic sector & governmentFinancial services & insuranceHealthcare & life sciencesManufacturing & logistics
Leadership Team

The people behind the company

Thomas Althammer

Thomas Althammer

Founder and SVP Sales

Thomas Althammer is a founder of Ice Tea Group and leads sales and business development. He brings decades of experience in enterprise software, modernization projects, compliance, and technology consulting.

Gianluca Pivato

Gianluca Pivato

Founder and Chief Technology Officer

Gianluca Pivato is a founder and CTO of Ice Tea Group. With what he likes to call a few centuries of experience in software development, architecture, and enterprise modernization, he leads the company’s technology strategy and product vision.

Frank Boettcher

Frank Boettcher

Founder and Director of Operations

Frank Boettcher is a founder of Ice Tea Group and oversees technical operations, product releases, quality assurance, and customer support, helping ensure the reliability and quality of the company’s technologies and services.

Carsten Nielsen

Carsten Nielsen

Founder and Director of Finance

Carsten Nielsen is a founder of Ice Tea Group and leads the company’s financial and administrative operations, supporting its international growth and long-term stability.

Joachim Meyer

Joachim Meyer

Founder

Joachim Meyer is a founder of Ice Tea Group and played a key role in establishing the company and its modernization business, helping build the foundation for its long-term success.

Levie Rufenacht

Levie Rufenacht

Partner and Director of Emerging Technologies

As the youngest partner at Ice Tea Group, Levie Rufenacht specializes in mobile and hybrid applications, AI-powered solutions, automated software testing, and business automation, helping drive the company’s next generation of innovation.

Beyond the leadership

A young, worldwide crew behind every release

Behind every release is a young, dedicated group of developers and designers spread across the globe, working shoulder to shoulder with experienced senior experts. Together they write the code, shape the pixels, automate the tests, and answer the support tickets, often handing work off across time zones so the product keeps moving while the world sleeps.

Curious, fast, and a little obsessive about quality, they treat every release as something they would proudly put their name on.

+30

developers, designers & engineers, alongside senior experts across the globe

Developers

Full-stack and .NET engineers building Wisej.NET, PPJ Framework, and TestVibe.

Designers

Product and UX designers crafting clean, modern, accessible interfaces.

QA & Automation

Test and AI engineers who keep every release rock-solid and fast.

Support

Customer engineers who answer quickly and follow issues through to the end.

Young or young at heartExperienced but humbleAcross every time zoneObsessed with the craft
Our offices

One company, two continents

One company with a clear commitment: wherever you operate, we operate alongside you — with local entities, local contracts, and full alignment with your regulatory environment.