Insights

Biotech Focus Target life sciences companies with SEC compliance, audit, and tax services. OUM & Co. specializes in biotech, specialty pharma, diagnostics, and medical devices, presenting a natural fit for biotech startups and established life sciences firms seeking specialized assurance and advisory support.

IRS Efficiency Leverage lower overhead and agile delivery as a distinction from Big 4 firms. Position as a high-value alternative offering timely communication, cost-effective audits and tax work, and tech-enabled advisory services tailored to growth-focused private and public life sciences clients.

Digital Readiness Highlight technology and risk advisory capabilities aligned with a digital era. Emphasize SAP, Avalara, ISO/SOC 3 frameworks, and modern audit approaches to attract tech-enabled companies and funds needing robust controls, automation, and scalable compliance solutions.

Growth Partners Capitalize on recognition and selective prestige. Use being named IPA Best of the Best and Top 25 Bay Area firm to engage mid-market firms and private equity-backed companies seeking credible, relationship-driven partners with deep industry know-how.

Expansion Signals Target regional organic growth opportunities in San Francisco and San Diego with services across audit, tax, and advisory for public and private entities. Potential upsell to SEC compliance, risk advisory, and technology consulting as clients scale into larger life sciences and tech portfolios.

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OUM & Co. LLP Tech Stack

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

  • Avalara
    Accounting And Finance
  • Tumblr
    Blogs
  • CISSP
    Certificates
  • ISO
    Certificates
  • WordPress
    Content Management System
  • SAP
    Customer Relationship Management
  • Google Fonts API
    Font Scripts
  • Font Awesome
    Font Scripts

OUM & Co. LLP's Email Address Formats

OUM & Co. LLP uses at least 1 format(s):
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.

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

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OUM & Co. LLP's SIC code is 7389 - Business Services, Not Elsewhere Classified 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 July 2026, OUM & Co. LLP has approximately 46 employees across 4 continents, including North AmericaAsiaAfrica. Key team members include Partner: J. U.Principal Owner: O. C. O.Digital Marketing Manager: M. A.. 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 AvalaraTumblrCISSPISOWordPressSAPGoogle Fonts APIFont 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

Section iconFunding & Financials

  • $25M$50M

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

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