Insights

Growth through leadership Recent partner hire signals expansion and leadership advancement at Mannion Prior, presenting an opening for targeted professional services, succession planning support, and strategic advisory engagements with fiduciary-related practice expansion.

Boutique trust focus Specialization in trust and estate litigation positions the firm for cross-sell opportunities with high-net-worth clients and banks or trust companies seeking fiduciary standards compliance, governance audits, and dispute resolution.

Technology leverage Active use of digital marketing and secure communications tools indicates readiness for expanded marketing automation, client onboarding enhancements, and data-driven client engagement strategies.

Growth readiness Revenue in the mid-range with a lean team suggests potential for scalable services such as compliance programs, training for fiduciaries, or outsourced legal operations to support practice expansion.

Competitive positioning As Pennsylvania’s premier trust and estate litigation boutique, the firm can differentiate through fiduciary standards expertise, offering bespoke client education, thought leadership, and targeted partnerships with financial institutions to win larger matters.

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Mannion Prior, LLP Tech Stack

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

Mannion Prior, LLP's Email Address Formats

Mannion Prior, LLP uses at least 1 email format:
Mannion Prior, LLP Email FormatsExamplePercentage
FLast@mannionprior.comJDoe@mannionprior.com
100%

Frequently Asked Questions

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.

How much revenue does Mannion Prior, LLP generate?

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As of September 2026, Mannion Prior, LLP's annual revenue is estimated to be $1M - $10M.

What is Mannion Prior, LLP's SIC code and NAICS code?

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Mannion Prior, LLP's SIC code is 8111 - Legal Services and NAICS code is 54111 - Offices of Lawyers.

How many employees does Mannion Prior, LLP have currently?

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As of September 2026, Mannion Prior, LLP has approximately 14 employees across 1 continents, including North America. Key team members include Founder & Managing Partner: J. M., Director Of Finance And Administration: S. C. and Legal Assistant: R. 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 Google Ads, Squarespace, Squarespace Commerce, Mailgun, Mimecast Secure Email Gateway, SWFObject, Google Tag Manager and X-Content-Type-Options.

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 logo

Mannion Prior, LLP

Law PracticePennsylvania, United States11-50 Employees

Mannion Prior, LLP is a Pennsylvania-based law practice that concentrates on trust and estate litigation. The firm provides litigation, defense, and advisory services related to fiduciary duties and the standards of care that apply to trustees, executors, guardians, charitable organizations, banks, trust companies, partners, attorneys, and corporate officers. As a boutique firm, it focuses on disputes and governance issues arising in fiduciary contexts.\n\nBased in King of Prussia, it operates as a mid-sized practice. In January 2025 the firm announced the appointment of John F. Higgins as partner. Its website is mannionprior.com.

Section iconCompany Overview

Phone number
SIC Code
8111 - Legal Services
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

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