Company lists · Data refreshed September 2026

Top 25 Fiduciary law firms based in Washington, United States

Name: Fiduciary law firms based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 65 companies tracked

RevenueBase identified 65 company matches for fiduciary law firms associated with Washington, United States as of September 2026 and tracks 630 professional contacts across them, including 351 with verified work emails. Across the United States, New York is the largest hub for this category (367 companies); Washington has 65.

This list covers company matches for fiduciary law firms associated with Washington, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

65Companies

630Contacts tracked

351Verified emails

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The 25 largest fiduciary law firms based in Washington, United States

Ranked by team size

Top 25 of 65 company matches for fiduciary law firms based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Groom LAW Group, Chartered	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	174 contacts →
	Exact match “Groom Law Group, Chartered is widely recognized as the leading benefits law firm in the United States with over 90 attorneys dedicated solely to the practice of employee benefits…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Ivins, Phillips & Barker	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	50 contacts →
	Exact match “Ivins, Phillips & Barker is exclusively engaged in the practice of federal tax, benefits and compensation, and estate and gift tax law.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Peacock Keller, LLP	Exact match	Washington, PA, United StatesHQ recorded Sep 28, 2026	51-200	38 contacts →
	Exact match “Peacock Keller is a full service law firm headquartered in Washington, Pennsylvania.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Tiber Hudson LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	36 contacts →
	Exact match “Tiber Hudson LLC is a boutique law firm focused in providing legal services including complex commercial litigation, complex commercial transactions, corporate structure and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Kozusko Harris Duncan	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	34 contacts →
	Exact match “Kozusko Harris Vetter Wareh Duncan LLP ("KHD") is a boutique trusts and estates law firm serving a select group of clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Slevin & Hart P.C	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	26 contacts →
	Exact match “Slevin & Hart, P.C.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Veritas LAW	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	16 contacts →
	Exact match “A full-service business law firm, Veritas Law has expertise in corporate and transactional law, litigation, and licensing.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Friedlander Misler Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	14 contacts →
	Exact match “Founded in 1964, we are a Washington, D.C.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Antonoplos & Associates, Attorneys At LAW	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	11 contacts →
	Exact match “Real Estate, Construction Litigation, Estate Planning, Wills & Trusts, and Probate Attorneys Serving Washington, DC, Maryland, and Virginia.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Raffa Investment Advisers	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	10 contacts →
	Exact match “Founded more than 20 years ago, Raffa Investment Advisers was purpose-built to serve nonprofit organizations and membership associations nationwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Royal LAW Firm, Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	10 contacts →
	Exact match “The Royal Law Firm PLLC, founded in 2009 by Priya Prakash Royal, Esq, LL.M, MBA, AEP®, TEP, is a private client law firm serving individuals, families, and closely held…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	The Elder & Disability LAW Center Edlc	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	9 contacts →
	Exact match “The Elder & Disability Law Center (EDLC) Washington, D.C.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Franklin Karibjanian & LAW Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	8 contacts →
	Exact match “Our Story Franklin Karibjanian & Law PLLC is a boutique trusts and estates law firm, serving clients in the National Capital region, Florida and beyond.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Accelerant LAW	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	8 contacts →
	Exact match “Accelerant was founded by entrepreneurial-minded attorneys who strive to modernize the current approach to estate planning by incorporating 21st-century business practices and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Sullivan & Barros, LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	7 contacts →
	Exact match “Sullivan & Barros, LLP specializes in Washington, DC, real estate, zoning, litigation, and business law.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Dominion Financial Consultants	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	5 contacts →
	Exact match “Dominion Financial Consultants is a fee-only financial advisory and consulting firm that was founded in 2006.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Tobin, O'connor & Ewingdc	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “Washington DC Business Lawyer Large-Firm Results with Boutique-Firm Attention At Tobin, O’Connor & Ewing, we focus on providing our clients with effective representation and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Musolino & Dessel, Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “Musolino & Dessel PLLC is a boutique law firm based out of 1615 L St NW #440, Washington, D.C.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Potts-Dupre, Hawkins & Kramer, Chtd	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	4 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Prime Estate Planning	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “What makes our firm different is that we were built with the needs of growing families in mind.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Garner LAW Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “Garner Law PLLC is a small law firm with its focus on providing passionate, dedicated representation to clients in Maryland and the District of Columbia.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Banks LAW Office	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “Banks Law Office is a boutique law firm focused on on representing consumers throughout the United States in state and federal court and in FINRA arbitration.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Temple LAW Offices	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “At the Temple Law Offices, our team of experienced attorneys understand the complexity of the law and work tirelessly to represent our diverse, international client base.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Gift Of Love Legal Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “Serving Clients Throughout Washington, DC and Maryland.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Forster LAW Firm	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “fiduciary law firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 65 fiduciary law firms based in Washington, United States

See the full list, filter by size, metro and specialty, and access 351 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fiduciary law firms based in Washington, United States at a glance

As of Sep 28, 2026

55.7%Verified-email coverage

9.7Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 65 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Washington, United States whose business descriptions match “fiduciary law firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 351 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Fiduciary law firms by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “fiduciary law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fiduciary law firms are there based in Washington, United States?

RevenueBase identified 65 company matches for fiduciary law firms associated with Washington, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Groom LAW Group, Chartered tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most fiduciary law firms?

New York leads the United States with 367 company records, followed by Chicago (213) and Houston (213). Washington has 65.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 351 professional contacts with verified work emails tracked across these 65 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.