What we do


Private Cloud




Performance & user analysis




Private Cloud

A private cloud provides the ideal solution to create your own private on-premises cloud. You never have to ask where your company data is stored or who has unauthorized access to your sensitive data. With the private cloud, you retain full control over all confidential company data and know exactly where that data is located.

You can completely determine who is allowed to access specific folders or documents and who is not. A safe home for all your data. Access, share, and protect your files, calendars, tasks, projects, and more, at home and in your company.


The future-oriented shop software for your e-commerce project. Shopping on any device. We install your individual shopping world with Shopware or JTL and support you in furnishing.

Performance & user analysis

We analyze where bottlenecks are in your system and ensure that your internet presence can be optimally indexed by search engines.


Free of pre-made templates we offer you a customized website design. In order to convey your information effectively visually, we realize with you an effective concept. Your appearance on the Internet will leave you with the right motifs, colors and connections.

How we do it


Data Security

Industry 4.0

Personal Consulting

Data Security

Data security. With certified process sequences (in accordance with DIN EN ISO 27001), we pay attention to the strictest requirements with regard to safety and system stability so we ensure processes according to German quality.

Industry 4.0

Industry 4.0 inspires us to use professional IT structures to create simplification and improvement with time savings. Please contact us for individual solutions.

Personal Consulting

A high level of personal advice is important to us. We would like to know you better to purposefully respond to your needs. We create sustainable added value for you.



Data management

Implementation of a cloud-based document management system for the sharing of projects, subprojects and workstations with central control and a redundant server structure for the highest degree of security and flexibility.

The Gesellschaft für Schweißtechnik International mbH (GSI) is a company with 420 employees.

StaniTellow, Texter

Individual and original appearance in the artist's scene. This allows our professional cloud solutions with a high degree of individual customer support. Be a hub for your own artist network (with your own user administration).

Frank Enterprise GmbH

Frank Enterprise is a Leipzig-based company which arranges education and training services designed specifically the needs of our clients. We cooperate with leading international companies, institutes and universities.

IKC Shop

Individual Kids Collection is an online shop which offers children's clothing for babies and toddlers. With our e-commerce solution from Shopware, it is easy for start-ups and small businesses to offer your products online.

Mannigfaltig e.V.

Mannigfaltig e.V. eine institutionelle Förderung durch Stadt und Region Hannover" sowie kostenfreie IT-Unterstützung der ExkwisIT UG.

Founder Team


Johann Paul Lesniak

Management, finance and sales

Advanced and precise thinking

You want to try out something new, change the status quo, exploit the potential? This includes know-how and passion, as well as a secure approach and strong partners. We combine innovative procedures with visionary thinking, thereby opening up new possibilities that help and inspire people.

More about me

Carsten Sievers

System architecture, cloud design and administration

Master tasks Innovative and creative

Projects often require different ways of thinking to achieve the desired goals. We consider the tasks from several angles and find a professional solution to master challenges. This creates sustainability and added value for you and your company.

Jan Troppenhagen

Development (and IT structures) Senior programmer and web developer

You have an idea and do not know if it is feasible? We also realize unusual and demanding challenges quick and flexibe. Either we find a way, or we make one.

More about me

Contact us


Interested in our company or any kind of project?

Contact us for more information on how we can kreate an environment perfect for you.

Adress Werder:
Obstzüchterstraße 15
14542 Werder (Havel)

Adress Düsseldorf:
Am Koppelshof 5
40629 Düsseldorf

Phone: +49 176 2214 2585
+49 176 2146 4038

Trade Register: Amtsgericht Potsdam
Trade Register No.: HRB 31 300
VAT No. DE316438834

General terms and conditions of exkwisIT UG (haftungsbeschränkt)

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