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How to name beneficiaries and fund a trust at Mercury

Beneficiaries are managed online. Trust paperwork is taken online

The key to protecting your Mercury accounts is making sure each one has a transfer mechanism in place—either a beneficiary designation or trust ownership. Without one, the account goes through probate, adding time, cost, and court involvement for your family.

Mercury has 11 product types, and the estate transfer rules differ across them. Some support Payable on Death (POD) designations, some can be retitled into a trust, and others pass through the estate if nothing is set up. Each is covered below.

Mercury Personal CheckingMercury Personal SavingsMercury Personal Trust Account (revocable living trust)Mercury Business Checking AccountMercury Business Savings AccountMercury Sweep Program (FDIC sweep network, formerly branded Mercury Vault)
1
Log in to the Mercury dashboard at mercury.com with your Mercury Personal account
2
Open the main menu in the top left, click Settings, then Account Settings
3
Scroll to the Beneficiaries section and click "Add a Beneficiary"
4
Enter the beneficiary details:
  • Individual: full name, date of birth, home address, and optionally Social Security number (used for identity verification only)
  • Trust: the trust's legal name and Tax Identification Number
5
Click Add Beneficiary to save. You can edit or remove a beneficiary at any time from the same screen (Settings, Account Settings, Beneficiaries, Edit, then Remove Beneficiary)

Required Documents

  • Beneficiary's full name, date of birth and home address (for an individual)
  • Beneficiary's Social Security number (for an individual). Optional; used for identity verification only
  • Trust's legal name and Tax Identification Number (for a trust)

What Mercury says about beneficiaries and trusts

Each section is Mercury's own statement, with the document it comes from numbered under Sources.

Which accounts take a beneficiary4

Payable-on-death account

A POD designation is available on Mercury Personal checking and savings only. It is not available on any business account.1

Business account

Business checking, savings, the sweep program and Treasury have no POD or TOD designation.1

Trust account

A Mercury trust account can itself name beneficiaries, up to 5 individuals or another trust, and at least one is required. They are named in the original application, not afterward in the dashboard.1

After onboarding, a trust account's beneficiaries cannot be changed self-serve. A change is requested by email, and may take additional review or documentation depending on the change.1

Investment account

There is no beneficiary designation to make on a Mercury Invest or Mercury Treasury balance. Those are brokerage accounts at Apex Clearing Corporation.1

Who can be named2

A person

Up to 5 individuals can be named on an account.1

A trust

One trust can be named on an account in place of individuals, by its legal name and Tax Identification Number.1

Mercury supports naming your trust as the single POD beneficiary of your Mercury Personal checking and savings, using the trust's legal name and Tax Identification Number.2

How many beneficiaries, and how shares are split

All accounts

Up to 5 individuals or 1 trust per account. Checking and savings balances are split evenly among all named beneficiaries; custom percentages and contingent beneficiaries are not supported.1

Under the agreement, multiple surviving beneficiaries own the account in equal shares as joint tenants with right of survivorship.3

What Mercury's agreement says about beneficiaries4

What the owner keeps while living

No rights vest in a designated beneficiary until the death of the account owners (section 3.4 of the agreement).3

No beneficiary survives

If no designated beneficiary is living when the last surviving owner dies, the funds are paid to the legal representative of the last surviving account owner.1

Joint accounts

On a joint account, POD beneficiaries take only on the death of the last surviving co-owner; the surviving joint owner takes first.1

Changing or revoking a designation

A beneficiary can be edited or removed at any time from the Beneficiaries screen under Settings, then Account Settings.1

Which accounts a trust can hold3

Trust account

Mercury Personal accepts revocable living trusts as account owners. Irrevocable trusts, special needs trusts, court-supervised trusts, charitable trusts, business or institutional trust structures, and 401(k) or other qualified retirement-plan trusts are not accepted.2

A trust that references a 401(k), ERISA or a qualified plan, or whose trustee is a plan administrator, is not accepted.2

Business account

Mercury business accounts cannot be held by or re-titled to a trust; Mercury lists trusts as an entity type it cannot open a business account for. A business owned by a trust still banks in the business entity's own name.2

Investment account

Mercury Invest is not available inside a trust account.2

What Mercury says about trust accounts6

Whether a new account is opened

Mercury does not convert an existing account. A trustee opens a separate trust-titled account and moves the money in; a Mercury Personal individual or joint account cannot be re-titled into the trust, and Mercury supports one trust account per person.2

Review of the trust document

You do not need to create a new trust. Mercury takes the revocable living trust you already have, and does not ask you to upload the full trust document at onboarding.2

Mercury's guidance tells applicants to look at who created the trust and why, whether the document says it can still be amended or revoked, and whether it holds personal assets rather than retirement, pension or employee-benefit assets.2

The agreement lets the bank ask for a Certificate of Trust, authenticated excerpts of the trust instrument, a trustee affidavit, or a full copy of the trust when it deems it necessary.3

The bank may suspend, freeze, restrict or close the account if it decides the documentation is deficient or there is a dispute among grantors or trustees.3

Online access

Access to the trust account is limited to verified trustees and grantors listed at onboarding. Beneficiaries get no access, and additional users, custom roles and limited-access permissions are not supported.2

Checks and cards on a trust account

Trust accounts carry checking and savings, sub-accounts, debit cards, ACH and wires, automations, and savings at the same rate as other Mercury Personal savings.2

The trust's tax identification number

Tax reporting for the trust account runs through one designated primary grantor, including where the trust has more than one grantor.2

Fees

The $240-a-year Mercury Personal subscription includes one trust account.2

Accounts handled elsewhere1

Apex Clearing Corporation

Mercury Invest and Mercury Treasury brokerage accounts, which carry no beneficiary designation1

Not in Mercury's published guidance1

  • A beneficiary form to download

Sources3

SimplyTrustSimplyTrust Editorial·

Sources

Data sourced from Mercury primary sources (19 pages reviewed). How we research.

Download these Mercury instructions

Download instructions for the whole estate

A printable PDF with the steps, required documents, and contact details — verified against Mercury primary sources. Bring it to the branch or keep it beside the phone.

Mercury estate support

Business account support (Mercury business accounts, IO card, working capital, venture debt)

Verified Sep 2026

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