Guides › Financial Advisor Fees
Updated September 18, 2026. Quick answer: Vanguard Personal Advisor is less expensive at $500,000: $1,750 a year, versus $15,000 a year for Mercer Advisors, computed from each firm’s own SEC-filed fee disclosure. See the full side-by-side table below for $250,000, $1 million and $2 million.
What each firm charges, side by side
| Account balance | Mercer Advisors (annual fee) | Vanguard Personal Advisor (annual fee) |
|---|---|---|
| $250,000 | $15,000 | $875 |
| $500,000 | $15,000 | $1,750 |
| $1,000,000 | $15,000 | $3,500 |
| $2,000,000 | $21,000 | $7,000 |
Mercer Advisors discloses a tiered schedule starting at 1.10% (Mercer Global Advisors Inc. Form ADV Part 2A Client Brochure (Custom Wealth / Wealth Management schedule), March 30, 2026); Vanguard Personal Advisor discloses a published gross rate of 0.35% (Vanguard Digital Advisor and Vanguard Personal Advisor Brochure (Form ADV Part 2A), 2026-08-20).
What the fee includes, in each firm’s own words
Mercer Advisors (Mercer Global Advisors Inc. Form ADV Part 2A Client Brochure (Custom Wealth / Wealth Management schedule), March 30, 2026): “WEALTH MANAGEMENT TIERED ADVISORY FEES, PERCENTAGE OF ASSETS MANAGED: First $1,000,000, 1.10%; Next $1,000,000, 1.00%; Next $3,000,000, 0.90%; Next $5,000,000, 0.75%; Over $10,000,000, 0.50%. Minimum Fee, $15,000.”
Mercer’s Custom Wealth tier carries a $15,000 annual minimum fee. The raw percentage math at $250,000, $500,000 and $1,000,000 (roughly $2,750 to $11,000) is overridden by that floor, so the actual billed fee at each of those balances is the flat $15,000 minimum; the percentage schedule only governs once assets are large enough to exceed it, which happens above roughly $1,360,000.
Vanguard Personal Advisor (Vanguard Digital Advisor and Vanguard Personal Advisor Brochure (Form ADV Part 2A), 2026-08-20): “Personal Advisor’s annual gross advisory fee for Vanguard Brokerage Accounts is 0.35% for its all‐index investment options and 0.40% for the exclusive active/index mix. … Enrollments in Personal Advisor require an aggregate $50,000 balance or greater” All-index investment option (any enrolled balance; $50,000 aggregate minimum to enroll): 0.35%; Active/index mix investment option (any enrolled balance): 0.40%.
Flat (non-tiered) gross advisory fee applied to the entire enrolled Vanguard Brokerage Account balance regardless of balance size: 0.35% for the all-index investment option (used here as the base case) or 0.40% if the active/index mix is elected. Dollar figures = balance x 0.0035. This is Vanguard’s disclosed gross fee before the affiliate-revenue credit that Vanguard also applies (which further lowers the net fee actually charged, per the same brochure); the gross rate is used here because it is the stated contractual rate, not an estimate.
How this compares
Our benchmark of published adviser fee schedules puts the weighted median annual cost near $2,000 to $2,500 on $250,000 (the benchmark). At $500,000, Mercer Advisors runs $15,000 a year and Vanguard Personal Advisor runs $1,750 a year: a difference of $13,250 a year at that balance.
Want the full breakdown for either firm on its own? Read the Mercer Advisors fee page or the Vanguard Personal Advisor fee page for the complete tier table and source citations.
Comparing these two against a full move? Read the general mechanics of switching financial advisors, or use a dated termination letter once you decide.
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- Mercer Global Advisors Inc. Form ADV Part 2A Client Brochure (Custom Wealth / Wealth Management schedule) (March 30, 2026): https://www.merceradvisors.com/disclosures/
- SEC Investment Adviser Public Disclosure, Mercer Global Advisors Inc. (CRD #147363): https://adviserinfo.sec.gov/firm/summary/147363
- Vanguard Digital Advisor and Vanguard Personal Advisor Brochure (Form ADV Part 2A) (2026-08-20): https://files.adviserinfo.sec.gov/IAPD/Content/Common/crd_iapd_Brochure.aspx?BRCHR_VRSN_ID=1055528
- SEC Investment Adviser Public Disclosure, Vanguard Advisers, Inc. (CRD #106715): https://adviserinfo.sec.gov/firm/summary/106715
Methodology. This page was built September 18, 2026, re-pairing figures already archived and independently verified for Mercer Advisors and Vanguard Personal Advisor from each firm’s own SEC-filed disclosure; sources linked above. Nothing here is personalized financial, tax, legal, or investment advice. See our Editorial Policy, Corrections, Affiliate Disclosure, and Disclaimer.