Van der Garde made his F1 debut for Caterham this year, but he has also been linked with Force India, where the Dutch businessman Michiel Mol is a shareholder.
And Dutch television RTL7 now reports that Sauber is also an option.
Asked about the Swiss team, van der Garde answered: "We are working on three teams: them (Sauber), Force India and Caterham.
"I hope we have good news within the next two or three weeks," he added.
Asked about the progress of the negotiations, van der Garde answered: "Good. Very good."