The article lists the following top 10 mistakes to avoid in 2023: 1) Poor communication with clients, 2) Lack of transparency, 3) Inadequate project planning, 4) Failure to adapt to new technologies, 5) Not keeping up with industry trends, 6) Ignoring customer feedback, 7) Overpromising and underdelivering, 8) Not investing in employee training and development, 9) Failing to prioritize cybersecurity, and 10) Not having a crisis management plan in place.