Service Oriented Architecture

We can help you in the realization of a service oriented architecture from the governance to the technical level.
Discover our innovative bottom-up approach to SOA that avoids large up-front budget and vendor lock-in whilst allowing quick wins with an iterative approach.

Application Integration

Our extensive experience and track records in applications integration can help you evaluate, select and implement an Enterprise Service Bus (ESB) or similar solutions. This will reduce the development efforts and time to market through application interoperability.

Performance and Scalability

In today's digital world people want to access the information as fast as possible. Performance is becoming a selling point of many products and we can help you make the difference by auditing your current infrastructure and giving you insight on what and how to improve. We have key partnerships with industry leaders and extensive experience with several types of tools from reverse caching systems to parallel programming techniques and frameworks.

Api and Web security by design

When designing architectures you must make sure that performance does not mean less security. By leveraging our extensive knowledge of web and api security and european regulations and laws we can make sure that your architecture is less exposed to risks linked to both hacking and regulation violations.
Furthermore with our knowledge of information security management practices we can support CISOs' in the risk assessment of complex SOA and/or event driven architectures.

About Us

Cap4 Lab helps customers unlock their potential in the development of new API and Integration Strategies.

From the design of the governance processes to the implementation of robust and secure cutting-edge technology, Cap4 Lab is a reference in systems architecture and integration.

Cap4 Lab extensive experience in multiple sectors and the focus on security by design is the distinctive trait that makes of Cap4 Lab a strategic partner for your API Strategy definition and implementation.

They trust us



Banque de Luxembourg



Axa Luxembourg




Hager Group






Tüv Süd



Victor Buck



Varnish Software is the company behind Varnish Cache, a widely trusted open source web accelerator, significantly enhancing web and api performance for businesses online. Our certified varnish administrators can help you boost your digital business.


Our certified MuleSoft developers can help ensure your IT infrastructure is aligned with your business needs as well as generating value for the organization. Specifically our solutions include implementation, integration, architecture, design and consulting around all MuleSoft products.


CryptnDrive enables secure exchange and share of information. Data and files are encrypted directly in your web browser before leaving your computer (using ElGamal 2048 and AES 256). The integrated digital quorum escrow (Inria / CNRS patent) allows control and recovery of shared resources in compliance with the GDPR regulation, thanks to the approval mechanism of the quorum administrators and the cryptographic proof.


Our certified Salesforce experts on Sales , Marketing and Manufacturing cloud will help you and your business to better connect and engage with customers and partners as well as take advantage of Salesforce Platform to optimize and streamline internal processes.

Latest Posts

19 Oct 2020

ZAP raises capital and hands over operations to Cap4 Group

ZAP announces a major capital increase by its two historic shareholders Patrick Hansen, Director at Saphir Capital Partners and CEO of Luxaviation, and Marc Neuen, Founder and CEO of Linc. Cap4 Group has also entered the capital and just took over the operations of the company.


Zap, founded in 2007, operates the leading Luxembourgish social network By leveraging its extensive experience in the field of social networks and cloud applications development, the company has since developed several products targeted at enterprises. The latter being Squareboard, a digital workplace allowing companies to communicate and collaborate with greater ease across organizational silos by combining traditional intranets and social networks functionalities.




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12 Oct 2020

MuleSoft Customer Spotlight | October 22, 2020

The MuleSoft Customer Spotlight Series is a platform for technologists, executives, and those in between to hear from some of the most visionary customers.

Next in line: Enovos on October 22 at 10AM, in collavboration with Cap4 Lab

Register for the event:

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More blog posts >>

Connect With Us


Cap4 Lab S.a.r.l (Luxembourg)

5, Rue Thomas Edison
L-1445 - Strassen

Cap4 Lab S.a.r.l (France)

75, Rue de Richelieu
75002 Paris

Cap4 Lab GmbH (Germany)

Luise-Ullrich-Strasse 20
80636 München

Cap4 Lab S.a.r.l (Switzerland)

Route de Villars 115
1752 Villars-sur-Glâne

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