Firm
Main Street Investment Advisors
Northbrook, Illinois
Fee-only
Main Street Investment Advisors at a glance
- One of 330 fee-only firms based in Illinois in the Wellspent graph.
- 3 advisors are listed here; 1 of 3 hold the CFP.
- Its Form ADV reports 3 employees and 142 individual clients, 128 of them high net worth.
- Its average account is about $1.7 million (assets it manages divided by its 144 accounts).
Fee-only advisors in Illinois · What fee-only advisors charge in Illinois
Facts
| Based in | Northbrook, Illinois |
|---|---|
| Website | mainstinvest.com |
| Phone | (847) 480-7055 |
Main Street Investment Advisors fees
Main Street Investment Advisors doesn't publish its prices on its website, or we couldn't confirm them word for word. Ask for its Form ADV Part 2A, which must describe its fees.
For comparison, fee-only firms that publish prices charge a median of $4,500 a year for ongoing planning, $2,000 for a one-time plan, $300 an hour, or 1% of assets. See the fee report.
What its SEC filing says
| Paid by | Percentage of assets · Fixed fees |
|---|---|
| Assets managed | $250 million |
| Individual clients | 14 |
| High-net-worth clients | 128 |
| Accounts managed | 144 |
| Employees | 3 |
| Planning clients | 26-50 |
| Registered with | The SEC (801-113819) |
| Financial planning | Offered |
| Form ADV filed | January 20, 2026 |
| SEC record | CRD 146036 |