"do transactions" is correct and usable in written English.
It means to complete a business deal, usually involving the exchange of money. For example: I am going to the bank to do transactions.
Banks are making it ever easier to do transactions online, while cutting their branches.
Such volatility makes it useless as a means to do transactions".
"I can do transactions at the speed of the Internet, cut costs 50percentt -- and I'm more secure than I was before".
"It also allows people to do transactions on the Web without posting prices and to put different prices to different players.
Encouraging people to do transactions online rather than face-to-face or over the phone (where appropriate) saves time and money, both for our customers and for us.
This happened, in part, because it has built trusted, credible markets of buyers and sellers inside China, connecting consumers, inventors and manufacturers who would have found it hard to do transactions before.
In Britain, they have won the right to do transaction advice and to be compensated based on the size of the deal, as bankers are.
Take the breakdown above; do transaction costs include just the bid-offer spread on shares and bonds or the "market impact" of the deal?
"The game is always doing transactions".
We've done transactions at €25,000 per square meter".
Yahoo, Google, Apple, LinkedIn and Airbnb have also done transactions just for engineers.
