As of April 13, 2026, Pirnay, Poly-Tech and S2E are moving into new offices to support our continued growth and strengthen collaboration between our teams.
We look forward to welcoming you soon at our new address for all your projects in structural engineering, building services, energy performance and sustainable development.
📍 New address: 𝐏𝐥𝐚𝐜𝐞 𝐝𝐮 𝐏𝐞𝐫𝐫𝐨𝐧 𝟐𝟑, 𝐁-𝟔𝟎𝟑𝟎 𝐂𝐡𝐚𝐫𝐥𝐞𝐫𝐨𝐢
Our phone numbers and email addresses remain unchanged.
We look forward to welcoming you and working together to build the projects of tomorrow!
