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Mariner Wealth Advisors vs Mercer Fees: What Each Costs in Dollars at $250k, $500k, $1M

Guides › Financial Advisor Fees

Updated October 3, 2026. Quick answer: Mariner Wealth Advisors has the lower published fee at $500,000: up to $12,500 a year (the published maximum, which the firm says is negotiable), versus $15,000 a year for Mercer, computed from each firm’s own SEC-filed fee disclosure. At $1,000,000 it is the other way round, $25,000 versus $15,000. At $2,000,000 it is the other way round, $50,000 versus $21,000. Where a firm publishes only a maximum rate, the figure shown is that maximum, and what you pay may be lower. See the full side-by-side table below for $250,000, $1 million and $2 million.

What each firm charges, side by side

Account balanceMariner Wealth Advisors (annual fee)Mercer (annual fee)
$250,000Up to $6,250$15,000
$500,000Up to $12,500$15,000
$1,000,000Up to $25,000$15,000
$2,000,000Up to $50,000$21,000

Mariner Wealth Advisors discloses a published maximum rate of 2.5%, which the firm says is negotiable (Mariner, LLC (d/b/a Mariner Wealth Advisors) Form ADV Part 2A Brochure, March 30, 2023); Mercer 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).

What the fee includes, in each firm’s own words

Mariner Wealth Advisors (Mariner, LLC (d/b/a Mariner Wealth Advisors) Form ADV Part 2A Brochure, March 30, 2023): “The structure and level of our advisory fee will vary by client based upon the services provided and other considerations deemed relevant by us, but typically takes the form of a percentage of assets under management and/or advisement, ranging up to 2.50% per annum. … All fee arrangements are subject to negotiation.”

Mariner does not publish a dollar-breakpoint fee table; its Form ADV states a single ceiling of ‘ranging up to 2.50% per annum,’ individually negotiated per client. The dollar figures apply the disclosed 2.50% ceiling as a flat rate to each balance; an actual negotiated rate is very likely lower, especially at higher balances. Note on currency: this is the combined CRS/ADV Part 2A/Privacy document currently live at Mariner’s own published URL; its internal revision date, stated on the cover page, is March 30, 2023, no more recent public version of Mariner, LLC’s firm-level Part 2A brochure (as opposed to smaller affiliated entities like Mariner Institutional or Mariner Platform Solutions) could be located.

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.

How this compares

The median ria charges roughly 1.0% of assets under management annually (the benchmark). At $500,000, Mariner Wealth Advisors runs up to $12,500 a year (the published maximum) and Mercer runs $15,000 a year: a difference of $2,500 a year between those figures at that balance.

Want the full breakdown for either firm on its own? Read the Mariner Wealth Advisors fee page or the Mercer 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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Sources

Methodology. This page was built October 3, 2026, re-pairing figures already archived and independently verified for Mariner Wealth Advisors and Mercer 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.

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