Insights

Niche Expertise Costello Law Firm specializes in high-stakes white collar defense, government investigations, and complex civil and regulatory enforcement. This focus indicates potential opportunities to offer tailored compliance and proactive risk management services to reduce investigation risk and potential litigation exposure.

Mid-market Focus With 11-50 employees and revenue between 1M-10M, the firm targets mid-market corporations, business owners, and professionals. Sales opportunities could center on scalable security, document management, and client onboarding solutions suited for mid-sized firms.

Tech Stack Readiness Current technologies include AWS, WordPress, Microsoft 365, and marketing tools. There is potential to upsell cloud security, data governance, and compliance tooling, as well as marketing automation enhancements to attract regulated clients.

Growth Levers Recent news mentions high-stakes, discrete, and efficient matter resolution. This suggests value in services that improve case workflow efficiency, eDiscovery, secure communications, and client portal capabilities to differentiate in a competitive legal market.

Competitive Positioning Operating alongside larger legal platforms (e.g., LegalZoom, Rocket Lawyer, Avvo) but with specialized expertise, the firm could benefit from partnerships or white-label offerings with legal tech vendors, compliance training providers, and concierge risk advisory services to expand reach to similar client segments.

Similar companies to Costello Law Firm, PLLC

Costello Law Firm, PLLC Tech Stack

Costello Law Firm, PLLC uses 8 technology products and services including Pendo, Amazon Web Services, WordPress, and more. Explore Costello Law Firm, PLLC's tech stack below.

Costello Law Firm, PLLC's Email Address Formats

Costello Law Firm, PLLC uses at least 2 email formats:
Costello Law Firm, PLLC Email FormatsExamplePercentage
FLast@costellolawfirm.comJDoe@costellolawfirm.com
67%
First_Last@costellolawfirm.comJohn_Doe@costellolawfirm.com
33%

Frequently Asked Questions

What is Costello Law Firm, PLLC's phone number?

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You can contact Costello Law Firm, PLLC'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 Costello Law Firm, PLLC's official website and social media links?

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Costello Law Firm, PLLC's official website is costellolawfirm.com and has social profiles on LinkedIn.

How much revenue does Costello Law Firm, PLLC generate?

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As of September 2026, Costello Law Firm, PLLC's annual revenue is estimated to be $1M - $10M.

What is Costello Law Firm, PLLC's SIC code and NAICS code?

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Costello Law Firm, PLLC's SIC code is 8111 - Legal Services and NAICS code is 54111 - Offices of Lawyers.

How many employees does Costello Law Firm, PLLC have currently?

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As of September 2026, Costello Law Firm, PLLC has approximately 14 employees across 1 continents, including North America. Key team members include Owner: C. C., Law Clerk: C. P. and Law Clerk - White Collar Crime Defense: H. L. Explore Costello Law Firm, PLLC's employee directory with LeadIQ.

What industry does Costello Law Firm, PLLC belong to?

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Costello Law Firm, PLLC operates in the Law Practice industry.

What technology does Costello Law Firm, PLLC use?

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Costello Law Firm, PLLC's tech stack includes Pendo, Amazon Web Services, WordPress, Microsoft 365, Font Awesome, Constant Contact, Animate.css and Google Search Console.

What is Costello Law Firm, PLLC's email format?

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Costello Law Firm, PLLC's email format typically follows the pattern of FLast@costellolawfirm.com. Find more Costello Law Firm, PLLC email formats with LeadIQ.

When was Costello Law Firm, PLLC founded?

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Costello Law Firm, PLLC was founded in 1998.
Costello Law Firm, PLLC logo

Costello Law Firm, PLLC

Law PracticeWashington, United States11-50 Employees

Costello Law Firm, PLLC is a Seattle-based law practice that represents corporations, business owners, and professionals facing government scrutiny or litigation. Drawing on nearly three decades of experience working with government investigators and prosecutors, the firm aims to resolve these high-stakes matters through discreet, efficient, and principled handling. The practice covers white-collar matters, including complex grand jury investigations, government investigations, and trials in state and federal courts.

The firm also handles civil and regulatory enforcement actions and professional licensing issues at federal, state, and local levels, as well as complex litigation involving quasi-criminal civil allegations and concurrent or parallel investigations across criminal, civil, and regulatory venues. With a mid-sized team, the firm serves clients navigating government-facing proceedings from its Seattle base and across applicable jurisdictions.

Section iconCompany Overview

Phone number
SIC Code
8111 - Legal Services
NAICS Code
54111 - Offices of Lawyers
Founded
1998
Employees
11-50

Section iconFunding & Financials

  • $1M - $10M

    Costello Law Firm, PLLC's revenue is estimated to be in the range of $1M - $10M

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