There are a multitude of ways you can do this. You can go into a coworking space where there are others similarly working by themselves and in need of an accountability partner. You can schedule a recurring appointment with a friend, partner, or spouse to discuss what you’re both doing. For xample, you could schedule a weekly hour-long meeting to o discuss where each of you are regarding work or financial goals.
You can also have a person or group of people connected by a similar focus online, where you regularly check in and report on where you are.