About Expandium
Expandium is a Transportation, Automotive & Logistics company based in Saint-herblain (France) founded in 2005, and was acquired by Viavi in August 2020. Business intelligence solutions are delivered for railway operators. It operates in the Transportation, Automotive & Logistics and Technology sectors. Its chief executive, as recorded, is Pierre Cassier. Its focus areas include Travel and Hospitality Tech, Rail IT, Connectivity and Testing and Measurement.
Company details
Expandium was founded in 2005 and is based in Saint Herblain, France. Business intelligence solutions are offered to railway operators, focusing on telecommunications monitoring, data monetization, signaling and control system analysis, and dashboarding tools. Operations center on data-driven insights for the rail sector, supporting efficiency in transportation infrastructure across Europe. Key leadership includes the owner, Guy Marcade, and CEO, Pierre Cassier.
- Headquarters Saint-herblain, France
- Stage Acquired
- SectorsTransportation, Automotive & LogisticsTechnology
- Emailβ’β’β’β’β’β’β’β’
- Phoneβ’β’β’β’ β’β’β’β’
- Website expandium.com
- Social LinkedIn X Facebook
- Acquired by Viavi (Aug 2020)
Investors in Expandium
Expandium has secured backing from 1 investor, including institutional investors. Prominent investors backing the company include Viavi.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Cloud-based test and measurement solutions for broadband are provided. | 1923 | viavisolutions.com | Milpitas, United States |
Investor details for Expandium
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of Expandium
2 people are tracked at Expandium (2 in leadership).
| Name | Role | Group |
|---|---|---|
Guy Marcade | Owner | Leadership |
Pierre Cassier | CEO | Leadership |
Complete people profiles for Expandium
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
Timeline of Expandium
2 dated milestones of Expandium across 15 years, from founding to its latest funding, stage changes and deals.
- Founded Expandium is founded.
- Exit Acquired by Viavi.
Unlock complete access to The Company Check
Get unrestricted viewing across everything we track β from companies and brands to investors, funding rounds, acquisitions, financials, and more.
- Unlimited viewing on all profiles Companies, investors, financials, funding, acquisitions & directors
- Full access to every database India & global coverage, advanced filters and rich profile details
- Always-on access from your team account Single premium plan for everything you see on the portal
Related news about Expandium
Complete news archive for Expandium
Full article history, source details, and older brand coverage require an active premium plan.
- Full article archive
- Source and publication date
- Older coverage
- Brand-specific news history
Verified entity values are shown only after access is granted.
Frequently Asked Questions about Expandium
Expandium was founded in 2005.
Expandium is headquartered in Saint-herblain, France. It is registered at Saint-herblain, Pays De La Loire, France.
Pierre Cassier is the CEO of Expandium, as recorded in our data.
Expandium was founded in 2005 and is based in Saint Herblain, France. Business intelligence solutions are offered to railway operators, focusing on telecommunications monitoring, data monetization, signaling and control system analysis, and dashboarding tools. Operations center on data-driven insights for the rail sector, supporting efficiency in transportation infrastructure across Europe. Key leadership includes the owner, Guy Marcade, and CEO, Pierre Cassier.
Expandium has 1 investor. Key investors include Viavi.
Yes. Expandium was acquired by Viavi in August 2020.

