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Our services

The ESSP combines the best of Space and Aviation for a specific set of users and applications. 

The ESSP is the EGNOS Service Provider and also operates the GNSS Service Centre.

The services provided are delivered through ESSP-dedicated service centers.

In our latest satisfaction survey, GNSS users rated ESSP GNSS services as excellent.

GNSS Satellite Navigation Services

Satellite Navigation Services GNSS

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Satellite navigation services are at the heart of the ESSP’s business. Our company delivers the EGNOS Signal-In-Space, enabling safer and more accurate user-positioning than GPS-only signals. The ESSP is also committed to supporting downstream GNSS users:


  • Performance monitoring: Real-time monitoring ensures transparent information on GNSS performance and enables user alerting services, including NOTAM to aviation users. GNSS users can benefit from the ESSP’s receiver lab and the GNSS performance prediction tools allowing application-specific reporting.
  • User support: Technical advice is provided to GNSS application developers and users, through a 24/7 helpdesk, a dedicated user website and service notifications. Users are informed of planned maintenance activities, system improvements and service evolutions.
  • Real-time GNSS data dissemination via the internet: Registered users can obtain ground-based GNSS raw-data and the Satellite Based Augmentation System SBAS message.

Pan-European Safety-Critical Services

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In the context of the EGNOS Safety-of-Life service to aviation users, the ESSP has a strong track-record for seamless operations and maintenance of a system dedicated to critical-application users. 

All EGNOS system evolutions involving both hardware and software have been successfully managed by the ESSP. Not a single service impact has been deplored at user-level for any of these evolutions. 

Our teams define and maintain operational concepts commensurate with the requirements of safety-critical systems. The expertise provided by the ESSP ranges from the initial definition of optimized operational concepts, to turn-key solutions for deployed systems and H24 operations of safety-critical services. Our operations and services are supported by field-proven safety and security management systems.

The ESSP’s experience includes execution of a performance-based contract under a stringent Service Level Agreement. 


Consultancy Services in Aviation for PBN implementation

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Under the Single European Sky (SES) regulation, the ESSP is committed to support all Air Navigation Services Providers to establish an EGNOS Working Agreement (EWA) enabling them to provide EGNOS-based Air Navigation Services to Airspace users. 

Supported by its shareholders, the ESSP provides Consultancy Services to ANSPs, CAAs, NSAs and airport operators for the implementation of GNSS/EGNOS based Performance Based Navigation (PBN) procedures offering to its clients comprehensive and tailored solutions.

Click here to know more about our 4 different levels of Consultancy Services! 

GNSS Service Development

GNSS Service Development

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Through the EGNOS and GNSS service centres, equipment and application developers from all sectors can benefit from a standard and free-of-charge expertise on GNSS downstream applications in all sectors (see above Satellite Navigation Services). Our enthusiast sector-specific experts can also deliver on-demand support for various stage of GNSS product and service development such as regulatory framework advices, service definition and marketing or sector specific adoption plans.