Insights

Expansion signals O'Connor is actively expanding its footprint with new offices in New York as of early 2025, indicating growing demand for valuation and property tax services in major markets and potential cross-sell opportunities to existing clients seeking nationwide coverage.

Tax services growth Strengthened property tax services in New York led by Frank Grampone suggests a focused regional growth initiative, presenting openings to offer complementary consulting, appraisal, and market research services to state and municipal clients.

Large enterprise focus With 201-500 employees and a revenue range of 250M to 500M, the firm targets substantial real estate assets and institutional clients, indicating opportunities to upsell comprehensive valuations, portfolio reviews, and advisory services to large portfolios.

Southwest leadership As the largest independent real estate services firm in the Southwest, there is an established brand and cross-regional credibility that can be leveraged to win new national accounts requiring trusted valuation and consulting across multiple markets.

Digital and tech stack Utilizes a modern tech stack and data-driven capabilities (Google Optimize, WordPress, jQuery, Apache) which signals openness to digital transformation projects, client portal enhancements, and scalable reporting solutions for large clients.

Similar companies to O'Connor

O'Connor Tech Stack

O'Connor uses 8 technology products and services including Microsoft Advertising, Hotjar, Linkedin Insight Tag, and more. Explore O'Connor's tech stack below.

O'Connor's Email Address Formats

O'Connor uses at least 4 email formats:
O'Connor Email FormatsExamplePercentage
FLast@poconnor.comJDoe@poconnor.com
91%
FirstL@poconnor.comJohnD@poconnor.com
5%
First@poconnor.comJohn@poconnor.com
3%
FirstLast@poconnor.comJohnDoe@poconnor.com
1%

Frequently Asked Questions

What is O'Connor's phone number?

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You can contact O'Connor'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 O'Connor's official website and social media links?

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O'Connor's official website is poconnor.com and has social profiles on LinkedIn.

How much revenue does O'Connor generate?

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As of August 2026, O'Connor's annual revenue is estimated to be $250M - $500M.

What is O'Connor's NAICS code?

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O'Connor's NAICS code is 531 - Real Estate.

How many employees does O'Connor have currently?

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As of August 2026, O'Connor has approximately 393 employees across 4 continents, including North America, Asia and South America. Key team members include Property Tax Consultant - Pt Ch: D. P., Director Of Acquisitions: J. A. and National Property Tax Operations Manager: J. L. Explore O'Connor's employee directory with LeadIQ.

What industry does O'Connor belong to?

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O'Connor operates in the Real Estate industry.

What technology does O'Connor use?

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O'Connor's tech stack includes Microsoft Advertising, Hotjar, Linkedin Insight Tag, iCIMS, Microsoft SQL Server, Shopify, Office 365 and Piwik PRO Core.

What is O'Connor's email format?

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O'Connor's email format typically follows the pattern of FLast@poconnor.com. Find more O'Connor email formats with LeadIQ.

When was O'Connor founded?

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O'Connor was founded in 1974.
O'Connor logo

O'Connor

Real EstateTexas, United States201-500 Employees

O'Connor is a Houston-based firm operating in the real estate services sector, established in 1974. It specializes in real estate valuation and consulting, leveraging data and technical expertise to support nationwide, complex assignments with a focus on fast turnaround and cost efficiency. Its professional team comprises real estate appraisers, property tax consultants, commercial property advisors, and market researchers.

The firm describes itself as the largest independent real estate services firm in the Southwest, reflecting its regional footprint. In early 2025, it expanded its geographic reach with a New York office to bolster its property tax services, led by Frank Grampone.

Section iconCompany Overview

Phone number
NAICS Code
531 - Real Estate
Founded
1974
Employees
201-500

Section iconFunding & Financials

  • $250M - $500M

    O'Connor's revenue is estimated to be in the range of $250M - $500M

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