Andersen Tax provides financial planning, portfolio management for individuals and small businesses, portfolio management for institutions, pension consulting, selecting other managers, publishing newsletters, and educational seminars. Financial planning was provided to 500 clients last fiscal year.
Andersen Tax reports 612 clients. They include 462 high-net-worth individuals, 88 individual clients, and 40 corporations and other businesses. Of its assets, 100.0% ($6.35B across 579 accounts) are managed with discretion. It advised 43 clients without assets under management last fiscal year.
| Client type | Clients | Assets |
|---|---|---|
| Individuals (other than HNW) | 14% | <1% |
| High-net-worth individuals | 75% | 59% |
| Pension and profit-sharing plans | 0% | <1% |
| Charitable organizations | 2% | <1% |
| Corporations and other businesses | 7% | 38% |
| Other client typesOther | 1% | 1% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Individuals (other than HNW) | 88 | $39.6M | 0.6% | $450K |
| High-net-worth individuals | 462 | $3.73B | 58.7% | $8.07M |
| Pension and profit-sharing plans | Fewer than 5 | $2.91M | 0.0% | — |
| Charitable organizations | 13 | $51.6M | 0.8% | $3.97M |
| Corporations and other businesses | 40 | $2.44B | 38.5% | $61.1M |
| Other | 9 | $82.8M | 1.3% | $9.2M |
| Total | 612 | $6.35B | 100% | — |
- Clients
- 88
- Regulatory AUM
- $39.6M
- AUM share
- 0.6%
- Avg. per client
- $450K
- Clients
- 462
- Regulatory AUM
- $3.73B
- AUM share
- 58.7%
- Avg. per client
- $8.07M
- Clients
- Fewer than 5
- Regulatory AUM
- $2.91M
- AUM share
- 0.0%
- Avg. per client
- —
- Clients
- 13
- Regulatory AUM
- $51.6M
- AUM share
- 0.8%
- Avg. per client
- $3.97M
- Clients
- 40
- Regulatory AUM
- $2.44B
- AUM share
- 38.5%
- Avg. per client
- $61.1M
- Clients
- 9
- Regulatory AUM
- $82.8M
- AUM share
- 1.3%
- Avg. per client
- $9.2M
Total
- Clients
- 612
- Regulatory AUM
- $6.35B
- AUM share
- 100%
- Avg. per client
- —
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 43
- Private funds advised
- 0
- Financial planning clients last fiscal year
- 500
Andersen Tax charges 0.35%–1.00% a year for its Full-Service Investment Consulting. The fee is billed in advance and is negotiable. The brochure also prices 2 other services, listed under fee details.
Fee details and sources
Other fees
- Fixed-Fee Engagements
- Some clients pay an annual fixed fee, which may increase by an agreed percentage or as the engagement letter describes.
- Hourly Engagements
- Some clients are billed hourly at Andersen's standard rates in effect when the work is performed, quarterly in arrears; no rate is stated.
Andersen Tax Holdings LLC owns 75% or more of Andersen Tax and is in turn owned by At Umbrella LLC (75% or more). Mark Vorsatz is CEO; the leadership team includes Chief Financial Officer Neal Livingston and Chief Compliance Officer Morgan Chong. It has 2,061 employees, 50 of them in advisory roles.
Leadership
Mark VorsatzChief Executive Officer/Managing Director/Chairman of Board
Neal LivingstonManaging Director/Chief Financial Officer- Morgan ChongChief Compliance Officer
Frank CassidyManaging Director/Board Member
Peter CosciaManaging Director/Board
Peter CroccoManaging Director/Board Member
William DeckelmanManaging Director/Chief Legal Officer
Daniel DepaoliCountry Managing Director
Mary DuffyManaging Director/Board Member
Matthew JufferManaging Director - Des Moines Ics
Joseph KarczewskiManaging Director/Board Member
Andrew KyriacouManaging Director - Boston Ics
Adam LevyManaging Director - New York Ics
Jeff MaloManaging Director, Board Member
Adam SteinbergerManaging Director/Board Member
Chad ThielManaging Director/Board Member
Brian UllspergerManaging Director - McLean Ics
Investment adviser representatives
22 representatives listed in the SEC register as of 9 October 2026.
- Christina Marie Bokor
- Jeffrey Michael Bratz
- Christine Frances Brill
- Mollie Caputo
- Kevin Reid Draudt
- Charles Howard Fisher JR.
- David Francis
- Thomas Galgano
- Daniel Michael Goldstein
- Vladimir Guerrier
- Shaun Paul Hamilton
- Daniel Holly
- Christian Corey Martin
- Mary Kurry McCormick
- Leigha Pope
- Anthony Rieck
- eric michael sanders
- Keegan Fay Stroup
Staff
- 2,061 employees
- 50 in advisory functions
- 22 state-registered reps
- Owns 75% or more of Andersen Tax LLC
Andersen Tax Holdings LLC
Control person · since December 2007
- Owns 75% or more of Andersen Tax Holdings LLC
At Umbrella LLC
Control person · since December 2025
- Owns 75% or more of At Umbrella LLC
Andersen Aggregator LLC
since December 2025
Andersen Group Inc.
Managing member, class x umbrella units · Control person · since December 2025
Andersen Tax’s regulatory assets grew 2.4× from $2.59B (March 2021) to $6.35B (March 2026); clients rose from 384 to 612 and employees from 1,148 to 2,061.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| March 2026 | $6.35B | 612 | 2,061 | 7 |
| March 2025 | $6.08B | 583 | 1,970 | 7 |
| March 2024 | $4.96B | 533 | 1,861 | 6 |
| March 2023 | $4.22B | 411 | 1,511 | 6 |
| March 2022 | $3.7B | 399 | 1,148 | 5 |
| March 2021 | $2.59B | 384 | 1,148 | 5 |
Besides its headquarters, Andersen Tax has 6 offices, with 7 listed addresses across 6 states.
Florida · 2 listed addresses
- One North Clematis Street, West Palm Beach
- 4950 West Kennedy BLVD, Tampa
Iowa · 1 listed address
- 666 Grand Avenue, Des Moines
Massachusetts · 1 listed address
- 125 High Street, 16th Floor, Boston
New York · 1 listed address
- 1177 Avenue of the Americas, New York
Texas · 1 listed address
- 5847 San Felipe Street, Houston
Virginia · 1 listed address
- 1861 International Drive, Suite 501, McLeanHQ
Contact and registration details
- Legal name
- Andersen Tax LLC
- Headquarters
- 1861 International Drive, Suite 501, McLean, VA 22102
- Website
- andersen.com
- Phone
- 571-382-0020
- @andersenus
- SEC file
- 801-61693
- Structure
- Delaware LLC
- Fiscal year end
- December
Andersen Tax uses Charles Schwab ($4.33B, 82%) and RBC Capital Markets ($939M, 18%) as custodians for its separately managed accounts. Andersen Tax has custody of $1.91B in client assets for 100 clients.
- RBC Capital MarketsRBC Capital Markets, LLC · Minneapolis, MN · $939M18%
- Charles SchwabCharles Schwab & Co., Inc. · San Francisco, CA · $4.33B82%
At year end, Andersen Tax’s separately managed accounts were largely in funds (44%) and bonds (26%).
What the accounts hold
- Stocks25%
- Funds44%
- Registered funds41%
- Pooled vehicles3%
- Bonds26%
- State and local bonds20%
- U.S. government and agency bonds5%
- Investment grade corporate bonds1%
- Cash5%
How many clients does Andersen Tax have?
Andersen Tax has 612 clients and manages $6.35 billion for them, as of March 2026. They include 462 high-net-worth individuals, 88 individual clients, and 40 corporations and other businesses.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 30 March 2026
What services does Andersen Tax offer?
Andersen Tax provides financial planning, portfolio management for individuals and small businesses, portfolio management for institutions, pension consulting, selecting other managers, publishing newsletters, and educational seminars.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
How much does Andersen Tax charge?
Andersen Tax charges 0.35%–1.00% a year for its Full-Service Investment Consulting. The fee is billed in advance and is negotiable.
Source: ANDERSEN FORM ADV PART 2A 3-30-2026, filed 30 March 2026
Which custodians does Andersen Tax use?
Andersen Tax’s separately managed account assets are held at Charles Schwab & Co., Inc. (San Francisco, CA), with $4.33B and RBC Capital Markets, LLC (Minneapolis, MN), with $939M. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 30 March 2026
How many financial advisors does Andersen Tax have?
Andersen Tax has 22 investment adviser representatives registered with state securities authorities, out of 2,061 employees, and 50 perform investment advisory functions. None are registered representatives of a broker-dealer or licensed insurance agents.
Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file
What does Andersen Tax invest in?
At the end of its last fiscal year, Andersen Tax’s separately managed accounts held 41% registered funds (mutual funds, ETFs, BDCs), 25% exchange-traded equities, 20% state and local bonds, 5% U.S. government and agency bonds, 5% cash and equivalents, 3% pooled vehicles (private funds and similar) and 1% investment grade corporate bonds.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns Andersen Tax?
Andersen Tax is owned through a chain of holding companies by Andersen Aggregator LLC. Its direct owner is Andersen Tax Holdings LLC (75% or more).
Source: Form ADV Part 1A, Schedules A and B, filed 30 March 2026
How does Andersen Tax get paid?
Andersen Tax is paid through a percentage of assets under management, hourly charges and fixed fees. Its Form ADV lists no commissions or performance-based fees among how it is paid.
Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file
Is Andersen Tax registered with the SEC?
Yes, Andersen Tax has been registered with the SEC as an investment adviser since 9 January 2003. Its CRD number is 124205 and its SEC file number is 801-61693.
Source: Form ADV Part 1A, Item 1, filed 30 March 2026; IAPD firm record
How do I contact Andersen Tax?
Andersen Tax’s main office is at 1861 International Drive, Suite 501, McLean, VA 22102. Its phone number is 571-382-0020. Its website is andersen.com.