Sean P. Lydon

CETERA INVESTMENT ADVISERS LLC

ROCKVILLE, MD 20850-6315

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CRD#: 5866782

Professional summary

Sean Patrick Lydon, CPWA® is a registered financial advisor currently at CETERA INVESTMENT ADVISERS LLC located in Rockville, Maryland and CETERA WEALTH SERVICES, LLC located in Rockville, Maryland.

Sean is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 2011. Sean has worked at 6 firms and has passed the Series 66, SIE and Series 7 exams.

Question & Answer

Are you a "fiduciary"?

Yes

Aliases

None

Other business activities

Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.

1) LYDON FINANCIAL ADVISORS, LLC (FORMERLY LFC WEALTH MANAGEMENT, LLC) POSITION: FINANCIAL ADVISOR NATURE: FINANCIAL SERVICES INVESTMENT RELATED: Yes NUMBER OF HOURS: 160 SECURITIES TRADING HOURS: 160 START DATE: 11/01/2010 ADDRESS: Rockville MD , United States DESCRIPTION: FINANCIAL SERVICES ENTITY 2) LYDON FETTEROLF CORYDON POSITION: Partner NATURE: CPA Firm INVESTMENT RELATED: No NUMBER OF HOURS: 120 SECURITIES TRADING HOURS: 90 START DATE: 11/01/2001 ADDRESS: 9401 Key West Ave, Rockville MD 208506315, United States DESCRIPTION: Accounting & Tax Services

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view Sean Patrick Lydon's CRS (Customer Relationship Summary).

CRS (Customer Relationship Summary)

Certified licenses

Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®

CPWA^®

Certified Private Wealth Advisor

Start date: 2016-10-11

Expire date: 2024-09-30

Experience

Current

September 5, 2025 - Present

CETERA INVESTMENT ADVISERS LLC

Office #1: 9401 Key West Ave, Rockville, MD 20850-6315

RIA

CRD#: 105644

ROCKVILLE, MD

Current

September 5, 2025 - Present

CETERA WEALTH SERVICES, LLC

Office #1: 9401 Key West Ave, Rockville, MD 20850-6315

CRD#: 13572

ROCKVILLE, MD

Past

October 25, 2019 - September 5, 2025

AVANTAX ADVISORY SERVICES

RIA

CRD#: 104556

ROCKVILLE, MD

Past

October 25, 2019 - September 5, 2025

AVANTAX INVESTMENT SERVICES, INC.

CRD#: 13686

ROCKVILLE, MD

Past

August 26, 2011 - October 25, 2019

1ST GLOBAL ADVISORS INC

RIA

CRD#: 111133

ROCKVILLE, MD

Past

February 21, 2011 - October 25, 2019

1ST GLOBAL CAPITAL CORP.

CRD#: 30349

ROCKVILLE, MD

Primary Firm SEC Registration

This SEC-registered firm can serve clients nationwide. Some states may require the firm to submit a notice filing if the firm has more than 5 clients or a physical office there. You can view these state-level filings under the section titled "State Registrations and Notice Filings".

CETERA INVESTMENT ADVISERS LLC

CRD#: 105644 / SEC#: 801-20406

RIA

Registered Investment Advisory firm - (1/13/1984 Approved)

State Registrations and Notice Filings

Listed states reflect where the advisor is authorized to serve clients under state regulations.

IAR

means the advisor is registered as an Investment Advisor Representative in this state and is authorized to provide investment advice to clients there.

indicates the advisor is registered as a Registered Representative in this state, allowing them to offer securities such as stocks, bonds, and mutual funds through a broker-dealer.

Visual representation of state registrations

Colorado
(9/5/2025)

Delaware
(9/5/2025)

District of Columbia
(9/5/2025)

Florida
(9/5/2025)

Illinois
(9/5/2025)

Maryland
(9/5/2025)

IAR

Maryland
(9/5/2025)

New Hampshire
(10/27/2025)

New York
(9/5/2025)

North Carolina
(9/5/2025)

Virginia
(9/5/2025)

Don't see your state listed? The advisor may still be able to work with you under the federal De Minimis Rule, which allows up to five investment advisory clients in a state without registration. Some states, like TX, LA, NE, and NH, may still require registration or notice filing. Contact the advisor or their firm to confirm their investment advisory availability in your state. Note: This rule does not apply to broker-dealer activity.

Exams

State Security Law Exam

IAR

Series 66

Date: 8/24/2011

Uniform Combined State Law Examination

General Industry/Product Exam

SIE

Date: 10/1/2018

Securities Industry Essentials Examination

General Industry/Product Exam

Series 7

Date: 2/18/2011

General Securities Representative Examination

SRO Registrations

FINRA

Current Firm

CETERA INVESTMENT ADVISERS LLC

CRD#: 105644 / SEC#: 801-20406

RIA

Registered Investment Advisory firm - (1/13/1984 Approved)

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Contact information

Main Address

1450 American Lane 6th Floor, Suite 650, Schaumburg, IL 60173-2096

Mailing Address

Phone number

(310) 257-7880

Established

Firm type

Fiscal year end

# of Employees

7,705

SEC notice filing (53 States and Territories)

Documents

Customer Relationship Summary (CRS / SEC)

Latest Form ADV

Regulatory assets under management

Total Number of Accounts	584,487
AUM (Assets Under Management)	$ 163,792,814,520

Accountant surprise examination report

Filing Date	Form ADV-E Cover	Form ADV-E Report
10/27/2025	Cover Page	Report
12/13/2024	Cover Page	Report
09/26/2023	Cover Page	Report
11/18/2022	Cover Page	Report

Red Flags

Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.

Check for any disclosures as part of your thorough research when choosing an advisor.

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Sean P. Lydon

Professional summary

Question & Answer

Aliases

Other business activities

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view Sean Patrick Lydon's CRS (Customer Relationship Summary).

Certified licenses

Experience

CETERA WEALTH SERVICES, LLC

AVANTAX ADVISORY SERVICES

AVANTAX INVESTMENT SERVICES, INC.

1ST GLOBAL ADVISORS INC

1ST GLOBAL CAPITAL CORP.

Primary Firm SEC Registration

CETERA INVESTMENT ADVISERS LLC

State Registrations and Notice Filings

Exams

Series 66

Date: 8/24/2011

SIE

Date: 10/1/2018

Series 7

Date: 2/18/2011

FINRA

Current Firm

CETERA INVESTMENT ADVISERS LLC

Contact information

SEC notice filing (53 States and Territories)

Documents

Regulatory assets under management

Accountant surprise examination report

Red Flags

Company Information

CETERA INVESTMENT ADVISERS LLC

TRUST BUT VERIFY

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