What Is The Max 401 Contribution For 2025.  — let’s take a look. To understand how a solo 401 (k) works, think of contributing both as an employee of your company and as the employer.

 — that compares with the $500 boost seen in 2025 over 2023. To understand how a solo 401 (k) works, think of contributing both as an employee of your company and as the employer.