Hartog, Baer, Zabronsky, APC

What Hartog, Baer, Zabronsky, APC does

Hartog, Baer, Zabronsky, APC is a California-based boutique law firm headquartered in Orinda, founded in 1991 and operating with approximately 22 employees. The firm maintains a web presence at hbzlawyers.com and is organized as a private limited liability partnership with no public ticker and no disclosed parent or investor structure. Source material indicates operational linkage with Nutter McClennen & Fish LLP — Nutter maintains an Orinda office among its six U.S. locations, and named HBZ partner John Hartog has been recognized as a Nutter-side attorney in industry listings, including the inaugural Lawdragon 100 Leading Global Wealth Lawyers (2026).

The firm's practice centers on legal services for individual and business clients, with a recognizable specialty in wealth management and private-client advisory as evidenced by partner-side recognition in that segment. Through its relationship with Nutter, the firm's reach extends in principle across 14 industry verticals — Banking and Financial Services, Cannabis, Emerging Companies, Energy, Fintech, Food and Beverage, Health Care, Higher Education, Information and Technology, Life Sciences, Manufacturing, Medical Devices, Philanthropy, and Real Estate — though HBZ's direct office footprint remains a single Orinda location with 22 staff.

HBZ operates under standard law firm economics: private partnership ownership, fee-based engagements with no publicly disclosed pricing, no productized offerings, no consumer-facing app or software platform, and no AI/technology capability disclosed in the available material. Public information about the firm is limited to basic firmographic data, website content, and partner-side recognition; no revenue, deal volume, or client concentration figures are disclosed.

Name

Hartog, Baer, Zabronsky, APC

Legal name

Nutter McClennen & Fish LLP

Website

https://hbzlawyers.com

Company type

Private

Founded year

1880

Operating status

Operating

Headcount range

11–50 employees

Short description

Hartog, Baer, Zabronsky, APC is a California boutique law firm founded in 1991, headquartered in Orinda with roughly 22 employees. The firm focuses on legal services, particularly wealth management and private-client advisory, and operates within the broader Nutter legal platform.

Ownership category

akta.pro rank

Headquarters

HQ city

Boston

HQ country

United States

HQ region

North America

Offices6 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Others

Distribution channels1 record

Marketing channels6 records

Core offering

Hartog, Baer, Zabronsky, APC is a small California-based law firm providing legal services to private clients. The firm's named principal John Hartog is recognized among the Lawdragon 100 Leading Global Wealth Lawyers, indicating the practice is oriented toward wealth law for high-net-worth individuals and families. The firm operates as a boutique professional services provider with approximately 22 employees in Orinda, CA.

Differentiator

Problem solved

Functional benefit

Products and services

• Private client / wealth law counsel Legal advisory services to high-net-worth individuals and families on wealth law matters, as evidenced by John Hartog's recognition in the Lawdragon 100 Leading Global Wealth Lawyers.

Segments14 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Two partnerships are on record, tiered minor.

• Lawyers for Civil RightsminorOthersNutter supports Lawyers for Civil Rights, an organization fighting for equal access to justice, as part of their commitment to equity, diversity, and inclusion and pro bono legal services.
• KIND (Kids in Need of Defense)minorOthersNutter supports KIND in their efforts to provide unaccompanied immigrant children with legal representation, as part of the firm's long-term commitment to organizations fighting for equal access to justice.

Scale indicators1 record

Recent moves4 records

Expansion highlights3 records

Broad incumbents

• Baker McKenzie LLP: Global firm with major California presence offering full-service legal counsel comparable in scope to other large California practices serving overlapping client types.
• Cooley LLP: Major California-headquartered law firm offering broad corporate, litigation, and individual-client services across the Bay Area — directly comparable in practice breadth to a full-service local firm.
• Goodwin Procter LLP: National firm with significant California offices serving technology, life sciences, and high-net-worth individuals — comparable practice mix and client overlap.
• Nutter McClennen & Fish LLP: Multi-office full-service law firm with a stated Orinda, CA office — directly overlapping in geographic market and broad practice-area coverage, though materially larger.
• Latham & Watkins LLP: Global law firm with major California offices providing corporate, litigation, and individual-client services across many of the same practice areas as a full-service local firm.
• Morrison & Foerster LLP: San Francisco-headquartered global law firm with deep California roots serving similar business, technology, and individual-client segments.
• Wilson Sonsini Goodrich & Rosati: Palo Alto-based firm serving technology, life sciences, and emerging companies — overlapping substantially in Northern California client base and practice categories.
• Orrick Herrington & Sutcliffe LLP: San Francisco-headquartered international firm with comparable multi-practice offerings serving overlapping California corporate and individual clients.
• Gunderson Dettmer Stough Villeneuve Franklin & Hachigian LLP: Silicon Valley firm focused on emerging companies and venture capital — comparable in serving high-end California business clients with specialized legal counsel.
• Fenwick & West LLP: Mountain View-based firm serving technology and life sciences clients — directly comparable in addressing the sophisticated Northern California client base.

Market position

Strengths3 records

Weaknesses3 records

Competitive moat3 records

Key risks3 records

Key highlights3 records

Customer concentration

• Xx.com/NutterLaw
• Facebookfacebook.com/NutterLaw
• LinkedInlinkedin.com/company/hartog-baer-zabronsky
• Instagraminstagram.com/nutterlaw

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Hartog, Baer, Zabronsky, APC