At the foot of the Jacques Cartier Bridge, the Mercille Group features over 300,000 square feet of retail and office space.
Always close,
always ready

A tunnel connected to the Longueuil-Université-de-Sherbrooke metro station, links Complexe St-Charles directly to Montreal, and to all main autoroutes and bridges. By car or public transportation, whatever the weather, your customers will never be far away.

The best of
both worlds

On one side, the tranquility of the lush South Shore and its impressive river views; on the other, the proximity of downtown Montreal, in just a few minutes.

accessible prices

Rental fees at Complexe St-Charles, the first Class A office building on the South Shore, are surprisingly accessible. Other choice spaces are also available in our neighbouring buildings, at extremely competitive prices.

Inspiring spaces

Your choice of office sends a strong message to your staff and customers. Our spaces are designed for comfort yet also equipped according to the highest industry standards: Boma Best silver certification and LEED (in progress).

Your manager
is on site

Because your time is valuable, your manager is on site, ready to answer any call to ensure your comfort.


Be worry-free with one or more parking spots for you and your customers in our vast interior and exterior parking areas adjacent to the subway and public transportation. Charging stations for electric cars available.

Le Complexe St-Charles, 1111 rue St-Charles O., Longueuil, QC J4K 5G4

Exceptional Office Space

  • 300,000 square feet of commercial space
  • Heated and air-conditioned covered walkway to the metro
  • Shops 
  • 10 minutes from Berri-UQAM
  • 2 minutes Vieux Longueuil

Top-Tier Tenants

  • Videotron
  • Laurentian Bank
  • London Life
  • Mediagrif
  • Stratégie communication
  • Héroux Devtek
  • Stornoway
  • CRC Sogema

East Tower

West Tower