Still you haven't provided what business activities this Co is involved. In the absence these info. proper structure cannot be drawn out. However, info contained in this link will guide you thru'.
Text extracted from this is attached for your ready ref. Suggest that power point slides can be prepared by you using the present structure in your Co and developing on it for future requirement. Any queries on further requirement may be continued here.
All the best.
The activities of the company are the same as any other IT company.