Insights

Elite Tax Expertise Ivins, Phillips & Barker specializes solely in federal tax, benefits and compensation, and estate and gift tax law, serving Fortune 500 clients and high net worth individuals. This focus suggests sales opportunities in high-complexity tax planning, controversy work, and executive compensation strategies where clients require specialized counsel and rapid response.

Recognized Talent With 23 attorneys named in The Best Lawyers in America (2024 Edition), the firm demonstrates standout expertise and credibility. Leverage this reputation to position advisory services, co-counseling on large matters, and speaking engagements or referrals from recognized practitioners.

Growth Readiness Revenue is in the 1M–10M range and the firm maintains a lean team (11–50 employees). This indicates potential for scalable advisory engagements, outsourced tax function support, and technology-enabled services that enhance efficiency without requiring large-internal infrastructure.

Technology Stack Adoption of standard business tools such as Office 365, Google Fonts, and analytics tools shows openness to digital workflows. There is an opportunity to offer e-discovery, document automation, tax research tooling integration, or client portals that streamline complex filings and litigation support.

Proactive Communications The firm emphasizes timely advice and rapid responses to emergencies, suggesting a Service Level Agreement oriented selling approach. Propose retainer-based or on-demand advisory packages focused on urgent tax controversies, compliance deadlines, and real-time updates on tax reform developments.

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Ivins, Phillips & Barker Tech Stack

Ivins, Phillips & Barker uses 8 technology products and services including Open Graph, DNS.com, Google Fonts API, and more. Explore Ivins, Phillips & Barker's tech stack below.

  • Open Graph
    Content Management System
  • DNS.com
    Domain Name Services
  • Google Fonts API
    Font Scripts
  • Office Suites
  • System Analytics & Monitoring
  • Google Tag Manager
    Tag Management
  • X-Content-Type-Options
    Web & Portal Technology
  • Apache
    Web Servers

Ivins, Phillips & Barker's Email Address Formats

Ivins, Phillips & Barker uses at least 4 email formats:
Ivins, Phillips & Barker Email FormatsExamplePercentage
FLast@ipbtax.comJDoe@ipbtax.com
86%
First.Last@ipbtax.comJohn.Doe@ipbtax.com
10%
F.Last@ipbtax.comJ.Doe@ipbtax.com
2%
FirstLas@ipbtax.comJohnDoe@ipbtax.com
2%

Frequently Asked Questions

What is Ivins, Phillips & Barker's phone number?

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You can contact Ivins, Phillips & Barker'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 Ivins, Phillips & Barker's official website and social media links?

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Ivins, Phillips & Barker's official website is ipbtax.com and has social profiles on LinkedIn.

How much revenue does Ivins, Phillips & Barker generate?

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As of August 2026, Ivins, Phillips & Barker's annual revenue is estimated to be $1M - $10M.

What is Ivins, Phillips & Barker's SIC code and NAICS code?

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Ivins, Phillips & Barker's SIC code is 7389 - Business Services, Not Elsewhere Classified and NAICS code is 54111 - Offices of Lawyers.

How many employees does Ivins, Phillips & Barker have currently?

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As of August 2026, Ivins, Phillips & Barker has approximately 49 employees across 1 continents, including North America. Key team members include Partner: J. M., Chairman: W. S. and Associate: R. S. Explore Ivins, Phillips & Barker's employee directory with LeadIQ.

What industry does Ivins, Phillips & Barker belong to?

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Ivins, Phillips & Barker operates in the Law Practice industry.

What technology does Ivins, Phillips & Barker use?

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Ivins, Phillips & Barker's tech stack includes Open Graph, DNS.com, Google Fonts API, Office 365, Piwik, Google Tag Manager, X-Content-Type-Options and Apache.

What is Ivins, Phillips & Barker's email format?

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Ivins, Phillips & Barker's email format typically follows the pattern of FLast@ipbtax.com. Find more Ivins, Phillips & Barker email formats with LeadIQ.

When was Ivins, Phillips & Barker founded?

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Ivins, Phillips & Barker was founded in 1935.
Ivins, Phillips & Barker logo

Ivins, Phillips & Barker

Law PracticeDistrict of Columbia, United States11-50 Employees

Ivins, Phillips & Barker concentrates on federal tax law, benefits and compensation, and estate and gift tax matters. The firm emphasizes using government service and private-sector experience to tailor guidance for a range of tax scenarios. Its work covers both sophisticated planning and timely responses to urgent tax issues.

Based in Washington, D.C., the firm serves a client base that includes Fortune 500 companies, smaller businesses, tax-exempt organizations, and high-net-worth individuals. Founded in 1935 by two of the original judges on the U.S. Tax Court, the firm has long specialized in tax law. In 2023, 23 of its attorneys were recognized in The Best Lawyers in America 2024 edition.

Section iconCompany Overview

Phone number
Website
ipbtax.com
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
54111 - Offices of Lawyers
Founded
1935
Employees
11-50

Section iconFunding & Financials

  • $1M - $10M

    Ivins, Phillips & Barker's revenue is estimated to be in the range of $1M - $10M

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