Insights

Life Sciences Focus OUM & Co. LLP specializes in life sciences sectors including biotech, specialty pharma, diagnostics, and medical devices, presenting a targeted opportunity to offer tailored assurance, tax, and advisory services aligned with industry regulatory demands and funding cycles.

Growth and Recognition With revenue in the mid five-figures and status as a Top 25 Bay Area firm and Inside Public Accounting Best of the Best, there is credibility to approach ambitious life sciences startups and mid-market firms seeking scalable governance, risk, and compliance services.

Technology Enablement A tech-forward firm using QuickBooks, SAP, Oracle, and other tools indicates readiness to integrate with clients’ ERP ecosystems, enabling cross-sell of technology risk advisory, systems implementations, and SOC/ security services.

Senior Talent Leverage Most staff are experienced partners and managers formerly from Big 4, offering high-touch guidance and sophisticated audits, with opportunities to position as premium assurance, SEC compliance, and advisory partners to growth-stage companies seeking quality without Big 4 overhead.

Geographic and Sector Reach San Francisco and San Diego offices combined with a strong life sciences and technology focus create a gateway to California-based biotech clusters and venture-backed firms, suggesting cross-sell potential to funds, real estate, and manufacturing clients in adjacent industries.

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OUM & Co. LLP Tech Stack

OUM & Co. LLP uses 8 technology products and services including QuickBooks, CISSP, SOC 3, and more. Explore OUM & Co. LLP's tech stack below.

  • Accounting And Finance
  • CISSP
    Certificates
  • SOC 3
    Certificates
  • Content Management System
  • Customer Relationship Management
  • Digital Asset Management
  • Oracle
    Enterprise
  • Font Awesome
    Font Scripts

OUM & Co. LLP's Email Address Formats

OUM & Co. LLP uses at least 4 email formats:
OUM & Co. LLP Email FormatsExamplePercentage
FLast@oumcpa.comJDoe@oumcpa.com
77%
LFirst@oumcpa.comDJohn@oumcpa.com
11%
Last@oumcpa.comDoe@oumcpa.com
10%
First.Last@oumcpa.comJohn.Doe@oumcpa.com
2%

Frequently Asked Questions

What is OUM & Co. LLP's phone number?

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You can contact OUM & Co. LLP's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is OUM & Co. LLP's stock symbol?

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OUM & Co. LLP is a publicly traded company; the company's stock symbol is 1917.HK.

What is OUM & Co. LLP's official website and social media links?

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OUM & Co. LLP's official website is oumcpa.com and has social profiles on LinkedIn.

How much revenue does OUM & Co. LLP generate?

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As of October 2026, OUM & Co. LLP's annual revenue is estimated to be $25M - $50M.

What is OUM & Co. LLP's SIC code and NAICS code?

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OUM & Co. LLP's SIC code is 7389 - Business Services, Not Elsewhere Classified and NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does OUM & Co. LLP have currently?

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As of October 2026, OUM & Co. LLP has approximately 46 employees across 4 continents, including North America, Asia and Africa. Key team members include Partner: J. U., Digital Marketing Manager: M. A. and Audit Staff: G. V. Explore OUM & Co. LLP's employee directory with LeadIQ.

What industry does OUM & Co. LLP belong to?

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OUM & Co. LLP operates in the Accounting industry.

What technology does OUM & Co. LLP use?

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OUM & Co. LLP's tech stack includes QuickBooks, CISSP, SOC 3, WordPress, SAP, Dropbox, Oracle and Font Awesome.

What is OUM & Co. LLP's email format?

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OUM & Co. LLP's email format typically follows the pattern of FLast@oumcpa.com. Find more OUM & Co. LLP email formats with LeadIQ.

When was OUM & Co. LLP founded?

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OUM & Co. LLP was founded in 1976.
OUM & Co. LLP logo

OUM & Co. LLP

AccountingCalifornia, United States11-50 Employees

OUM & Co. LLP is an accounting and business advisory firm based in San Francisco, California, with an additional office in San Diego. The firm provides assurance and audit, tax, SEC compliance, and technology and risk advisory services to both public and private companies, focusing on life sciences, technology, and related sectors such as biotech, specialty pharma, diagnostics and medical devices. Many of its professionals are partners and managers who previously worked at large firms, and the firm emphasizes timely communication and aims to keep overhead lower than the Big 4.

It is recognized as a Top 25 Bay Area firm and as one of the Top 200 firms in the U.S. by Inside Public Accounting. The firm pursues lifelong relationships with clients, employees, and communities, and it promotes a collaborative, diverse environment that values authentic contribution. Its client base includes companies in life sciences, technology, real estate, private equity/investment funds, and manufacturing, reflecting activity across multiple industries.

Section iconCompany Overview

Phone number
Website
oumcpa.com
SIC Code
7389 - Business Services, Not Elsewhere Classified
Stock Symbol
1917.HK
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1976
Employees
11-50

Section iconFunding & Financials

  • $25M - $50M

    OUM & Co. LLP's revenue is estimated to be in the range of $25M - $50M

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