What Frank, Rimerman + Co. does

Frank, Rimerman + Co. LLP is a privately held Certified Public Accounting and advisory firm founded in 1949 in San Carlos, California, and headquartered in Palo Alto. The firm is organized as a limited liability partnership and is led by Managing Partner Michael Rewkiewicz with a C-suite comprising a CFO, COO, and Controller. It operates eight offices across California (Palo Alto, San Francisco, San Jose, Sacramento, Roseville, San Diego, and St. Helena) and one in Lehi, Utah, with global reach delivered through its independent membership in Baker Tilly International, spanning 140+ territories.

The firm delivers integrated accounting, tax, audit, and advisory services organized across business and individual client segments. Core service lines for businesses include Assurance and Advisory (financial statement audits, IT audits, SOC 1/SOC 2 examinations, and CSA STAR Level 2 certification), Global and Domestic Tax (planning, compliance, transfer pricing, international taxation), Employee Benefit Plan (401k/403b) Audits, Accounting and CFO Advisory (fractional accounting/controller/CFO support), and Risk Advisory and Assurance (ISO/IEC 27001, 27701, and 22301 certifications, plus HIPAA assessments). For individuals and families, the firm provides Estate and Gift Tax Planning, Income Tax Planning and Consulting, Family Office Services, and Private Wealth Management through its affiliated federally registered investment advisor, Frank, Rimerman Advisors LLC. Specialized information security services are delivered via Frank, Rimerman Information Security LLC, an ANAB-accredited and Cloud Security Alliance STAR Certified Auditor entity.

The firm pursues a vertical specialization strategy, with dedicated practices in Venture Capital (funds from emerging managers to billion-dollar funds), Technology and Software, Life Sciences (pharma, biotech, medical device, digital health), Artificial Intelligence, Wine, Consumer Products, Food and Beverage, Not-for-Profit, Real Estate, and Manufacturing and Distribution. Customers range from venture-backed startups to closely-held mid-market businesses, large multinationals, and high-net-worth individuals/families—particularly founders and executives of Silicon Valley–based companies. Revenue is generated through engagement-based professional services fees (audit, tax, advisory, and recurring family office/wealth management mandates), with no public pricing disclosures; the firm has been recognized as a Top 50 CPA firm (ranked #42 on Inside Public Accounting's Top 100 in 2022) and as one of the Bay Area Best Places to Work for ten consecutive years.

Name

Frank, Rimerman + Co.

Legal name

Frank, Rimerman + Co. LLP

Website

https://frankrimerman.com

Company type

Private

Founded year

1949

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Frank, Rimerman + Co. LLP is a Silicon Valley–based CPA and advisory firm offering assurance, tax, risk advisory, family office, and wealth management services to venture-backed companies, high-net-worth individuals, and industry-specific verticals including technology, life sciences, AI, and venture capital.

Ownership category

akta.pro rank

Headquarters

HQ city

Palo Alto

HQ country

United States

HQ region

North America

Offices8 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Marketing or Sales, Technology or R&D

Revenue model

1. Professional Services Fees: Frank, Rimerman + Co. generates revenue through engagement-based professional services including audit and assurance, tax planning and compliance, advisory services, and consulting. Revenue is derived from ongoing client relationships and project-based engagements across various industries.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Frank, Rimerman + Co. LLP is a Top 50 CPA firm providing audit and assurance, tax planning and compliance, accounting and CFO advisory, risk advisory and cybersecurity attestation, and wealth management services to businesses, high-net-worth individuals, and families. Engagements are delivered through partner-led teams out of offices in California and Utah, with global reach via the Baker Tilly International network. Investment advisory services are delivered through a federally registered subsidiary, Frank, Rimerman Advisors LLC.

Product overview

Frank, Rimerman + Co. LLP is a professional services firm offering a comprehensive suite of accounting, tax, audit, and advisory services. The firm operates as a unified service delivery model rather than a platform-plus-modules architecture. Core service lines include Assurance and Advisory Services (financial audits, IT audits including SOC and ISO certifications), Global and Domestic Tax Services (tax planning, transfer pricing, international taxation), Employee Benefit Plan (401k) Audits, Accounting and CFO Advisory (outsourced accounting and fractional CFO services), and Risk Advisory and Assurance (cybersecurity assessments, compliance certifications). For individuals, services encompass Estate and Gift Tax Planning, Income Tax Planning and Consulting, Family Office Services, and Private Wealth Management. The firm also specializes in serving specific industry verticals including Artificial Intelligence startups, Venture Capital funds, Life Sciences companies, and Technology and Software companies. Investment advisory services are delivered through Frank, Rimerman Advisors LLC, a separately registered investment advisor subsidiary. The firm is an independent member of Baker Tilly International, providing global reach through the Baker Tilly network.

Differentiator

Problem solved

Functional benefit

Products and services

• Assurance and Advisory Services Provides integrated audit and assurance services for businesses, including financial statement audits, reviews, and compilations; venture fund and private equity services; public company services; merger and acquisition advisory; IT audits (CSA STAR, SOC examinations); not-for-profit audits; and employee benefit plan audits. Target customers are growing businesses and public companies across the firm's industry verticals.
• Global and Domestic Tax Services Provides comprehensive tax planning and consulting, transfer pricing documentation, transaction planning, and international taxation services for businesses with complex tax circumstances across multiple jurisdictions. Target customers are businesses operating across U.S. and international tax environments.
• Employee Benefit Plan (401k) Audits Provides audit services for 401(k) and 403(b) employee benefit plans, including audit readiness consulting, internal control recommendations, and plan operations feedback. Target customers are plan sponsors with 100+ eligible participants subject to ERISA and DOL audit requirements.
• Accounting and CFO Advisory Provides fractional accounting, controller, and CFO advisory services to early and mid-stage companies until they are ready to build in-house finance teams. Includes technical accounting, software implementation, and operational reporting support. Target customers are venture-backed startups and mid-stage companies preparing for in-house finance build-out.
• Risk Advisory and Assurance Provides IT risk management services including SOC examinations and attestations, ISO certifications (ISO/IEC 27001, ISO/IEC 27701, ISO/IEC 22301), CSA STAR Level 2 certification, and HIPAA healthcare assessments to help organizations achieve security and compliance goals. Delivered through affiliate Frank, Rimerman Information Security LLC. Target customers are mid-market and enterprise organizations pursuing globally recognized cybersecurity and compliance certifications.
• Estate and Gift Tax Planning Provides estate and wealth transfer planning, compliance and risk management, and charitable giving and philanthropy advisory services. Target customers are high-net-worth individuals and families with multigenerational wealth transfer, philanthropy, and complex estate planning needs.
• Income Tax Planning and Consulting Provides personalized income tax planning and consulting for individuals with complex tax situations, including stock option planning, executive deferred compensation planning, federal and state return preparation, and international tax considerations. Target customers are high-net-worth individuals, founders, and executives with complex compensation and international tax situations.
• Family Office Services Provides comprehensive family office services including financial strategies and administration, lifestyle enhancements, family governance, wealth planning and advisory, and insurance and risk management. Target customers are high-net-worth families seeking integrated personal financial administration and coordination.
• Private Wealth Management Provides investment advisory services including asset management and investment performance monitoring and reporting. Delivered through Frank, Rimerman Advisors LLC, a federally registered investment advisor subsidiary. Target customers are high-net-worth individuals and families seeking discretionary or advised investment management.

Named customers6 records

Segments11 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Four partnerships are on record, tiered core and minor.

• Baker Tilly InternationalcoreStrategic or Co-development PartnerFrank, Rimerman + Co. LLP is an independent member of Baker Tilly International, one of the ten largest networks of accountancy and business advisory firms worldwide. This membership provides global reach and local expertise, with access to colleagues in over 140 territories. Member firms collaborate deeply in serving global markets and share close alignment of purpose and values.
• Frank, Rimerman Advisors LLCcoreOthersFrank, Rimerman Advisors LLC is a federally registered investment advisor and subsidiary of Frank, Rimerman + Co. LLP. Provides investment advisory services including asset management, portfolio solutions, and wealth planning for private clients.
• Frank, Rimerman Information Security LLCcoreOthersFrank, Rimerman Information Security LLC is an affiliate of Frank, Rimerman + Co. offering CSA STAR Level 2 certification services, ISO/IEC 27001, ISO/IEC 27701, and ISO/IEC 22301 certification assessments. Maintains services agreement with parent firm for technical expertise and staffing.
• FRC, LLCminorOthersFRC, LLC is listed as an affiliate of Frank, Rimerman + Co. LLP along with Frank, Rimerman Advisors LLC and Frank Rimerman Information Security LLC.

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Armanino LLP: Top 25 U.S. CPA and business consulting firm headquartered in San Ramon, CA, with comparable mid-market focus on technology, life sciences, and venture-backed companies in the Bay Area ecosystem.
• Moss Adams LLP: Top 15 U.S. CPA firm based in the West Coast with similar industry specialization in technology, life sciences, and venture capital; comparable size and service-line breadth to Frank, Rimerman.
• BPM LLP: Bay Area-based Top 50 CPA firm with strong Silicon Valley presence and similar mid-market focus on technology, life sciences, and venture-backed companies.
• Baker Tilly US: U.S. member firm of the same Baker Tilly International network as Frank, Rimerman; provides advisory, tax, and assurance services to mid-market clients with similar cross-border delivery capabilities.
• Plante Moran: Top 15 U.S. CPA and advisory firm with comparable size, full-service capabilities, and mid-market client concentration including technology and life sciences.
• Marcum LLP: Top 20 U.S. accounting and advisory firm serving mid-market companies across industries including technology, life sciences, and venture capital with comparable service-line breadth.
• Crowe LLP: Top 10 U.S. public accounting and consulting firm with similar audit, tax, and advisory practices serving mid-market and growth-stage clients across multiple industries.
• Eide Bailly LLP: Top 25 U.S. CPA firm providing audit, tax, and advisory services to mid-market clients with comparable industry specialization and full-service delivery model.
• WithumSmith+Brown: Top 25 U.S. accounting and advisory firm with strong practices serving technology, life sciences, and venture-backed companies; comparable mid-market positioning and service mix.

Broad incumbents

• BDO USA: Top 10 global accounting network with significant U.S. mid-market presence; broader portfolio than Frank, Rimerman but overlapping in technology, life sciences, and private client services.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/frank-rimerman---co--llp
• Xx.com/frankrimerman

Revenue estimate

Valuation estimate

Number of profiles

Profiles14 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

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

M&A1 record

Investments

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

Frequently asked questions about Frank, Rimerman + Co.