About
We develop the platforms that centralize and streamline how security, safety and building management systems are run — from a control room, or from a remote monitoring center.
Our history
Prysm was founded in 1996. Its current form comes from the merger of two French companies, each a leader in its national market and each recognized internationally: one built hypervision platforms for control rooms, the other alarm monitoring platforms for remote centers.
That combination — real-time site operation on one side, alarm handling at scale on the other — is one few software publishers in the sector can offer. Prysm is the software company of Hirsch Group.
What we do
Prysm publishes two platforms. AppVision federates every system on a site into a single interface, for real-time operation from a control room. EsiVision receives, analyses and responds to alarms at scale, for monitoring centers serving thousands of sites.
They reach their markets differently. AppVision is sold through a network of integrators and distributors, who build their own offer on it. EsiVision is sold directly to the operators who run monitoring services.
Our values
Openness
No restriction on system integration. APIs are provided, the platforms are fully customizable, and they are available white-label or under our own brand.
Neutrality
We publish software and manufacture no hardware. No commercial exclusivity binds us to any manufacturer, so the technology decision stays with our customers and the platform adapts to it.
Innovation
Over 60 software developers and a dedicated technology watch unit, with deployment available on-premise, hosted or as a service.
Robustness
Cyber by design, penetration testing, a dedicated QA team, resilience built into the architecture, and references on high-risk sites.
Prysm is the software company of Hirsch Group, a French group of more than 700 people designing and manufacturing security solutions for sites of every kind, from the simplest to the most sensitive.
Prysm Customer Service
Every day, Prysm works alongside security providers, electronic security specialists, remote monitoring operators, and critical infrastructure operators.
Our mission goes beyond technical support: we help our clients and partners deploy, operate, and evolve their solutions with confidence.
Because some of the environments we support run critical remote monitoring, operations, and supervision activities 24/7 (depending on the services and service levels contracted), we deploy expert teams able to respond quickly whenever operational continuity is at stake.
Our teams bring together project managers, deployment engineers and technicians, consultants, trainers, and support engineers and technicians. They work closely with the Product and R&D teams to deliver practical, lasting answers to real-world needs.
Whether we are working with an EsiVision customer, an ESIConnect user, or an AppVision integrator partner, we share the same goal: delivering reliable, responsive, and lasting service.
Every project, every support request, and every piece of field feedback helps improve our solutions, our methods, and the quality of our services.
Every day, our teams help safeguard the security and safety operations our clients and partners carry out.
Because our clients’ operations are essential, we put our expertise, our commitment, and our sense of service at the heart of every mission.
