How to make business networking with other institutions?

I'm currently working at Securitites company in Equity Capital Market Retail my division is in Product %26amp; Marketing Support, I have this project that I should make by making business networking with other institutions. What do you think the best offer (benefit) I could give to the other business counterpart when my purposes is to get their client based so their client could have transaction by ordering sell/buy stock?How to make business networking with other institutions?
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