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Mayflower Advisors

Boston, MASEC-registered investment adviserCRD 307857

Filed as MAYFLOWER ADVISORS · Legal name Mayflower Financial Advisors, LLC

Mayflower Advisors is an SEC-registered investment advisory firm in Boston, MA, registered since 2020, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated August 5, 2026.

6 years
registered since 2020
$5,815,579,654
assets under management
2 arrangements
Percentage of assets, Fixed fees
None
disclosure items (Item 11)

Quick answers

From the filing

How is Mayflower Advisors compensated?

On its Form ADV (Item 5.E, October 2026), Mayflower Advisors reports these compensation arrangements: a percentage of assets under its management; fixed fees (other than subscription fees).

Where is Mayflower Advisors located?

Mayflower Advisors' principal office is in Boston, MA, according to its Form ADV; the September 2026 filing also lists 5 other offices (Schedule D, Section 1.F).

Is Mayflower Advisors registered with the SEC or a state?

Mayflower Advisors is an SEC-registered investment advisory firm, registered since 2020. Status as filed: Approved. CRD 307857.

How much does Mayflower Advisors manage?

Mayflower Advisors reports $5,815,579,654 in regulatory assets under management in its Form ADV filing dated August 5, 2026 (31% discretionary).

How have Mayflower Advisors' assets and staff changed since 2021?

In the Form ADV data for Mayflower Advisors: Regulatory assets under management: $901,624,478 in the October 2021 data and $5,815,579,654 in the October 2026 data, up 545%. Total employees: 35 in October 2021 and 33 in October 2026. Assets under management move with markets as well as with clients coming and going.

What types of clients does Mayflower Advisors serve?

By number of clients on Form ADV Item 5.D: individuals (other than high net worth individuals) (593); high net worth individuals (333); pension and profit sharing plans (but not the plan participants or government pension plans) (249).

Which custodians does Mayflower Advisors use?

Mayflower Advisors' most recent Form ADV filing (Schedule D, Section 5.K(3)) lists ADP Broker-Dealer, Inc., Fidelity Brokerage Services LLC and Pershing LLC as custodians holding 10% or more of its separately managed account assets.

Does Mayflower Advisors report any disciplinary disclosures?

Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/307857

What changed in Mayflower Advisors' recent Form ADV filings?

In the April 2026 filing data: Employees performing advisory functions went from 24 to 27. Regulatory assets under management went from $4,779,428,058 to $5,815,579,654 (+22%). Added an office in Danvers, MA.

From the Form ADV filing

Every figure below is as the firm filed it with regulators, as of October 2026.

How the firm is compensated

Item 5.E
  • A percentage of assets under your management
  • Fixed fees (other than subscription fees)

Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ

Fees and minimums

Form ADV Part 2A

See the firm's brochure (dated March 27, 2026) for its fees and any account minimum, on the SEC's IAPD site.

Regulatory assets under management

Item 5.F
$5,815,579,654

$5,815,579,654 as of October 2026, filing dated August 5, 2026.

Discretionary: $1,774,016,199.Non-discretionary: $4,041,563,455.

A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means

Who the firm serves

Item 5.D
Individuals (other than high net worth individuals)
Clients 593 Assets $203,521,526 (3%)
High net worth individuals
Clients 333 Assets $1,145,682,848 (20%)
Pooled investment vehicles (other than investment companies and business development companies)
Clients 2 Assets $1,587,843 (0%)
Pension and profit sharing plans (but not the plan participants or government pension plans)
Clients 249 Assets $4,396,471,935 (76%)
Charitable organizations
Clients 21 Assets $23,469,529 (0%)
Corporations or other businesses not listed above
Clients 27 Assets $44,845,973 (1%)

A firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.

Advisory services

Item 5.G
  • Financial planning services
  • Portfolio management for individuals and/or small businesses
  • Portfolio management for pooled investment vehicles (other than investment companies)
  • Portfolio management for businesses (other than small businesses) or institutional clients
  • Pension consulting services
  • Selection of other advisers (including private fund managers)

Registration and firm details

Items 1, 2, 5
Legal name
Mayflower Financial Advisors, LLC
Registration
SEC-registered investment adviser. Status as filed: Approved.
Registered since
2020 (6 years)
Employees
Total: 33. Performing investment advisory functions: 27.
Wrap fee program participation
No.
Custodians (Schedule D, Section 5.K(3))

Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.

Other offices (Schedule D, Section 1.F)
5 other offices, as of the September 2026 filing
Danvers, MADurham, NCNewton, MAProvidence, RIWestborough, MA
States registered or notice-filed
28 states or jurisdictions
ARAZCACOCTDCDEFLILLAMAMDMEMNNCNENHNJNVNYPARISCTNTXVAVTWV

SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration

Disclosures

Item 11

None Reports no disclosure items on Form ADV Item 11. View on IAPD.

Item 11 asks about criminal, regulatory, and civil events involving the firm and its advisory personnel. The detail of each yes answer is on the IAPD record. Reading a firm's disclosures

Assets and staff over time

Items 5.A, 5.F
$902M 2021 $1.07B 2022 $1.03B 2023 $4.69B 2024 $4.78B 2025 $5.82B 2026
Data periodAssets under managementEmployeesFiling dated
October 2026$5,815,579,65433August 5, 2026
October 2025$4,779,428,05830March 21, 2025
October 2024$4,688,875,50328September 10, 2024
October 2023$1,028,571,87237March 30, 2023
October 2022$1,074,738,75032March 18, 2022
October 2021$901,624,47835September 27, 2021

Regulatory assets under management: $901,624,478 in the October 2021 data and $5,815,579,654 in the October 2026 data, up 545%.

Total employees: 35 in October 2021 and 33 in October 2026.

As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.

Changes in the filing

Last 12 months
  1. April 2026
    • Employees performing advisory functions went from 24 to 27.
    • Regulatory assets under management went from $4,779,428,058 to $5,815,579,654 (+22%).
    • Added an office in Danvers, MA.

Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.

Websites listed on Form ADV

Item 1.I
mayfloweradvisors.com

Source: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."

Cite this page

AdvisorCensus. Mayflower Advisors (CRD 307857): Form ADV filing data as of October 2026.
https://advisorcensus.com/firm/mayflower-advisors-boston-ma-307857