AdFi
SI

SIGNATURE INVESTMENT ADVISORS, LLC

SEC Registered

A higher level of complexity requires a higher level of experience

LOS ANGELES, CAhttps://signatureia.com888-349-3241
Assets Under Management
$5B–$25B
Year Founded
1997
Employees
21
Office Locations
2 offices
Total Accounts
7533

About the firm

Signature Investment Advisors (SIA) is a Registered Investment Advisory Firm and affiliate of Signature Estate & Investment Advisors, established in 1997. The firm offers comprehensive and ongoing wealth management services, managing $29.4 billion in assets as of 3/31/2026.

Firm Focus

Client segments reported on the firm's SEC Form ADV — applies to all advisors at the firm.

High Net WorthPension/Profit SharingState/Municipal

Areas of expertise

Wealth ManagementInvestment ManagementPortfolio ManagementMarket AnalysisRegistered Investment AdvisorStocksBondsEtfsMutual Funds

Services

Comprehensive and ongoing wealth management services, including tailored investment management portfolios, in-depth investment analysis and market outlook communications, and disciplined management of long-term goals and objectives.

Who they serve

Client segmentClientsAssets managed
Individuals (Non-HNW)5,707$3.9B
High Net Worth Individuals1,747$2.7B
Charitable Organizations24$38M

0 total clients reported on Form ADV.

Leadership

Brian David Holmes
PRESIDENT/MANAGING MEMBER
Brian David Holmes
PARTNER
Seia
OWNER
Andrew Lin
CHIEF FINANCIAL OFFICER
Deron Talmadge Mccoy
CHIEF INVESTMENT OFFICER
Eric Zachary Rosen
CHIEF COMPLIANCE OFFICER
Joseph Lawrence Fusaro
DIRECTOR OF OPERATIONS
Christopher Maryanopolis
CHIEF OPERATING OFFICER

Office locations

2 offices in 1 state
CA
LOS ANGELESHQ
CA
NEWPORT BEACH

Advisors at this firm

13 advisors in the directory

Regulatory & compliance

CRD number
#160715
SEC Number
801-76593
Disciplinary History
No
Fee Model & Minimums
Model: AUM
Minimum: $250,000
Asset tierAnnual rate
Equity/Blended $250K-$999,9991.20%
Equity/Blended $1M-$2,499,9991.00%
Equity/Blended $2.5M-$4,999,9990.90%
Equity/Blended $5M-$9,999,9990.80%
Equity/Blended $10M+0.00%
Fixed Income $250K-$999,9990.73%
Fixed Income $1M-$2,499,9990.65%
Fixed Income $2.5M-$4,999,9990.57%
Fixed Income $5M-$9,999,9990.47%
Fixed Income $10M+0.00%

Data as of March 31, 2026 · Source: SEC IAPD & FINRA BrokerCheck

Contact Information

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Editorial disclosure

This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. SIGNATURE INVESTMENT ADVISORS, LLC has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on the SEC or FINRA websites before making any decision.

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