Yes. Note that if you just registered or renewed it recently, you'll have to wait until the sixty-day waiting period is up before you can transfer it to us or another registrar.
If 60 days have already elapsed since you registered or renewed it, you can transfer it, and you'll not only keep your existing time you already paid for with the current registrar, but we'll also give you an additional year as part of the transfer.
Do note that if you prepaid for another registrar's privacy service, they are unlikely to refund that to you, so that money would probably be lost.