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Signature Estate and Investment Advisors (SEIA)
Signature Estate and Investment Advisors was launched in 1997 by Brian Holmes and Paul Taghibagi in Los Angeles, California. The firm operates as a hybrid...
Signature Estate and Investment Advisors (SEIA)
Signature Estate and Investment Advisors was launched in 1997 by Brian Holmes and Paul Taghibagi in Los Angeles, California. The firm operates as a hybrid multi-family office and independent registered investment advisor, serving entrepreneurs, professionals, and wealthy families primarily across the Western United States. Unlike single-family offices managing a single liquidity event, SEIA aggregates capital from a broad client base to access institutional-caliber alternative investments without requiring individual nine-figure commitments. The firm's investment strategy spans traditional public-market portfolios and a substantial alternatives book. SEIA provides direct access to private equity funds, private credit vehicles, real estate partnerships, and hedge fund allocations through a curated platform. The firm structures fund-of-funds products and direct co-investment vehicles, giving clients exposure to middle-market buyout strategies—a documented specialty—alongside real asset and opportunistic credit offerings. Geographic deployment concentrates on North America, with underlying portfolio holdings in commercial and multifamily real estate across California, the Mountain West, and the Mid-Atlantic, including Reston, Virginia where the firm maintains an East Coast office. SEIA operates from its Los Angeles headquarters with additional offices in Newport Beach, Pasadena, Redondo Beach, and Reston, Virginia, supporting a professional staff of roughly 80 individuals. The firm has grown through both organic asset gathering and strategic advisor acquisitions, most notably merging with MFA Wealth in 2010 to expand its presence and service capabilities. In January 2022, SEIA acquired DC-based CBM Wealth Management, deepening its Mid-Atlantic footprint and adding approximately $300 million in client assets. The firm regularly evaluates bolt-on acquisitions of like-minded RIAs seeking to outsource investment management and access SEIA's alternatives platform. The firm's structural differentiator rests in its aggregation model. By pooling assets from several hundred high-net-worth households, SEIA negotiates access and lower fee structures typically reserved for single-family offices at the $1 billion-plus scale. This is neither a pure multi-family office nor a standard broker-dealer; it is an RIA that built an institutional procurement desk for alternative investments, allowing individual clients with $5 million to $25 million in investable assets to co-invest alongside institutional mandates that would otherwise be out of reach.
General information
Firm type
Multi Family Office
Year founded
1997
AUM
$5B - $15B (Altss estimate)
Location
Region
North America
Country
United States
City
Los Angeles
Corporate office
Los Angeles, CA, United States
Additional offices
Newport Beach, CA · Pasadena, CA · Redondo Beach, CA · Reston, VA
Principals
Brian Holmes
President and CEO
Paul Taghibagi
Co-Founder
Sector focus
Frequently asked questions
How does SEIA source its alternative investment opportunities?
SEIA sources alternatives through an in-house investment committee that vets private equity, private credit, and real estate sponsors. The firm utilizes its aggregate client asset base to gain access to institutional funds and co-investment vehicles that would typically require minimums exceeding what any single SEIA client could meet. Selection emphasizes middle-market buyout managers, direct lending platforms, and value-add real estate operators across the United States.
Is SEIA a single family office or does it operate as a wealth management firm?
SEIA is a multi-family office structured as an independent RIA. It does not manage wealth for a single family. Instead, it provides investment advisory, estate planning, and alternative investment access to several hundred high-net-worth families and individuals. The firm aggregates client capital to create institutional leverage that individual families could not achieve alone.
What investment stages does SEIA typically target in its private equity sleeve?
SEIA's private equity exposure focuses on middle-market buyout funds, targeting companies with enterprise values between $100 million and $1 billion. The firm selects established sponsors executing control-oriented buy-and-build strategies in sectors like industrials, business services, and healthcare. SEIA accesses these through primary fund commitments, with occasional co-investment rights alongside its selected GPs.
Does SEIA participate in fund commitments or only direct deals?
SEIA participates primarily through fund commitments to external general partners, functioning as a limited partner. The firm also structures feeder funds and selects co-investment opportunities alongside its managers when those are offered. Direct operating company investments without a lead GP sponsor are not central to the strategy; SEIA acts as a disciplined allocator, not a direct control investor.
How did SEIA build its client base and presence on the East Coast?
SEIA expanded to the East Coast through the January 2022 acquisition of CBM Wealth Management in Reston, Virginia. That deal added approximately $300 million in client assets and established a Mid-Atlantic anchor office. The firm continues to evaluate acquiring registered investment advisors who want to outsource investment management and use SEIA's alternative platform for their clients.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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