A Keogh Plan offers valuable retirement savings opportunities for self-employed individuals and small business owners, but it also has several disadvantages. One major drawback is its complexity. Compared to simpler retirement accounts like SEP IRAs or traditional IRAs, Keogh Plans involve more paperwork, administrative requirements, and reporting obligations. This can make them difficult to manage without professional financial or tax assistance.

Another disadvantage is the higher setup and maintenance cost. Many Keogh Plans require legal documents, annual filings, and account management fees, which may not be practical for small businesses or individuals with lower incomes. In addition, contribution calculations can be complicated, especially for defined benefit plans, making tax planning more challenging.

Keogh Plans also have strict rules regarding withdrawals. Taking money out before retirement age may result in taxes and penalties, reducing flexibility for account holders who may need access to funds during emergencies. Required minimum distributions must also begin at a certain age, limiting control over retirement savings later in life.

For business owners with employees, contributions may need to be made for eligible workers as well, increasing overall costs. Furthermore, many modern retirement plans now provide similar tax advantages with less complexity. Because of these reasons, Keogh Plans have become less popular over time, even though they can still benefit high-income self-employed individuals seeking larger contribution limits and long-term retirement savings.