Insights

Niche Market Focus Mannion Prior, LLP specializes in trust and estate litigation, serving a niche legal sector that involves fiduciary standards and estate issues. This specialization offers an entry point for legal technology providers or process improvement solutions tailored to high-value estate management and litigation practices.

Growth Through Leadership The recent hire of John F. Higgins as a partner indicates active growth and leadership development within the firm. This signals potential opportunities for executive or partner-level service offerings, including leadership training, consulting, or bespoke legal solutions.

Moderate Revenue Size With revenue estimated between 1 million and 10 million dollars, Mannion Prior represents a mid-sized firm that may be seeking scalable legal practice management tools, client engagement platforms, or cloud-based case tracking solutions that support growth and operational efficiency.

Strategic Digital Presence The firm's website utilizes multiple modern technologies and content management tools, reflecting a commitment to a strong online presence. This presents opportunities for digital marketing, SEO optimization, or analytics tools to further enhance their outreach and client acquisition efforts.

Competitive Landscape Compared to larger firms with extensive budgets, Mannion Prior's size and specialization make it an ideal candidate for tailored legal tech, compliance, or boutique marketing solutions designed to strengthen their competitive positioning within Pennsylvania’s legal industry.

Mannion Prior, LLP Tech Stack

Mannion Prior, LLP uses 8 technology products and services including Squarespace Commerce, Mailgun, Modernizr, and more. Explore Mannion Prior, LLP's tech stack below.

  • Squarespace Commerce
    E-commerce
  • Mailgun
    Email
  • Modernizr
    Javascript Libraries
  • SWFObject
    Miscellaneous
  • Google Tag Manager
    Tag Management
  • YouTube
    Video Players
  • X-Content-Type-Options
    Web & Portal Technology
  • Elfsight
    Widgets

Mannion Prior, LLP's Email Address Formats

Mannion Prior, LLP uses at least 1 format(s):
Mannion Prior, LLP Email FormatsExamplePercentage
FLast@mannionprior.comJDoe@mannionprior.com
50%
FLast@mannionprior.comJDoe@mannionprior.com
50%

Frequently Asked Questions

Where is Mannion Prior, LLP's headquarters located?

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Mannion Prior, LLP's main headquarters is located at 840 First Avenue, Suite 100 King Of Prussia, PA 19406, US. The company has employees across 1 continents, including North America.

What is Mannion Prior, LLP's phone number?

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You can contact Mannion Prior, 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 Mannion Prior, LLP's official website and social media links?

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Mannion Prior, LLP's official website is mannionprior.com and has social profiles on LinkedIn.

What is Mannion Prior, LLP's NAICS code?

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Mannion Prior, LLP's NAICS code is 54111 - Offices of Lawyers.

How many employees does Mannion Prior, LLP have currently?

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As of October 2025, Mannion Prior, LLP has approximately 12 employees across 1 continents, including North America. Key team members include Co-Founder & Partner: K. P.Founder & Managing Partner: J. M.Partner: J. G.. Explore Mannion Prior, LLP's employee directory with LeadIQ.

What industry does Mannion Prior, LLP belong to?

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Mannion Prior, LLP operates in the Law Practice industry.

What technology does Mannion Prior, LLP use?

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Mannion Prior, LLP's tech stack includes Squarespace CommerceMailgunModernizrSWFObjectGoogle Tag ManagerYouTubeX-Content-Type-OptionsElfsight.

What is Mannion Prior, LLP's email format?

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Mannion Prior, LLP's email format typically follows the pattern of FLast@mannionprior.com. Find more Mannion Prior, LLP email formats with LeadIQ.

When was Mannion Prior, LLP founded?

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Mannion Prior, LLP was founded in 2001.

Mannion Prior, LLP

Law PracticeUnited States11-50 Employees

Mannion Prior, LLP is Pennsylvania’s premier trust and estate litigation boutique. We pursue, defend, and provide advice on issues involving the standards of care applicable to fiduciaries such as trustees, executors, guardians, charitable organizations, banks, trust companies, partners, attorneys, and officers and directors of corporations.

Section iconCompany Overview

Headquarters
840 First Avenue, Suite 100 King Of Prussia, PA 19406, US
Phone number
NAICS Code
54111 - Offices of Lawyers
Founded
2001
Employees
11-50

Section iconFunding & Financials

  • $1M$10M

    Mannion Prior, LLP's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    Mannion Prior, LLP's revenue is estimated to be in the range of $1M$10M

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