GROSC

About GROSC

GROSC is certified sales and service partner of the complete Mitel OpenScape portfolio for the large enterprise and midsize market. Since July 2021 we have been rewarded by our vendor with the highest partner status for OpenScape 4000, OpenScape Enterprise, OpenScape Business and OpenScape ContactCenter. On top of that, we are specialized in the Mission Critical Communications solution of OpenScape Xpert.

Keywords

• Openscape 4000
• Openscape Business
• Openscape Contactcenter
• Openscape Enterprise
• Openscape Voice
• Openscape Xpert

Address

• Headquarters

  Henry Dunantweg 282402NR Alphen aan den RijnZuid-Holland, Netherlands

Team by function

Based on 21 public job profiles as of 3 September 2026.

• Engineering / Software Development7
• Sales4
• IT / Infrastructure / Security3
• Consulting / Advisory2
• Operations2
• Skilled Trades / Technical2
• Executive / C-Suite1