Company lists · Data refreshed September 2026

Top 25 Estate and family law firms based in Rockville, United States

RevenueBase identified 58 estate and family law firms headquartered in Rockville, United States as of September 2026 and tracks 337 professional contacts across them, including 158 with verified work emails. Across the United States, New York is the largest hub for this category (529 companies); Rockville has 58.

This list covers estate and family law firms headquartered in Rockville, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
58Companies
337Contacts tracked
158Verified emails
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The 25 largest estate and family law firms based in Rockville, United States

Ranked by team size
Top 25 of 58 estate and family law firms based in Rockville, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to estate and family law firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceRockville, MD, United StatesHQ checked Sep 28, 202651-200121 contacts →

Indirect evidence

“Since 1978, our attorneys have offered guidance and counsel to meet the business and personal needs of thousands of clients.”

Source: RevenueBase Database · checked Sep 28, 2026
2Strong evidenceRockville, MD, United StatesHQ checked Sep 28, 202611-5017 contacts →

Strong evidence

“Z Family Law is a Family and Estate Planning law firm located in Montgomery County, Maryland.”

Source: RevenueBase Database · checked Sep 28, 2026
3Strong evidenceRockville, MD, United StatesHQ checked Sep 28, 20261-1014 contacts →

Strong evidence

“Elder Law: Estate planning, both planning for and planning to avoid probate, guardianship and conservatorship, and planning to avoid them through powers of attorneys, trusts, and…”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceRockville, MD, United StatesHQ checked Sep 28, 202611-5012 contacts →

Indirect evidence

“At Parker, Simon & Kokolis, LLC, we provide our broad base of clients with superior, cost-efficient legal services tailored to the particular demands of living, working and doing…”

Source: RevenueBase Database · checked Sep 28, 2026
5Partial evidenceRockville, MD, United StatesHQ checked Sep 28, 202611-5010 contacts →

Partial evidence

“At RLG Law, we provide effective legal representation with integrity, professionalism and unparalleled commitment to the interests of our clients.”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceRockville, MD, United StatesHQ checked Sep 28, 202611-5010 contacts →

Indirect evidence

“Founded in 1987, Ethridge Quinn is a dedicated litigation powerhouse in the Maryland and Washington D.C.”

Source: RevenueBase Database · checked Sep 28, 2026
7Strong evidenceRockville, MD, United StatesHQ checked Sep 28, 202611-508 contacts →

Strong evidence

“Altman & Associates is an award-winning estate planning law firm serving families, individuals, and businesses in Maryland, Washington, D.C, and Northern Virginia.”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceRockville, MD, United StatesHQ checked Sep 28, 20261-107 contacts →

Indirect evidence

“About Grant, Riffkin & Strauss, P.C.”

Source: RevenueBase Database · checked Sep 28, 2026
9Strong evidenceRockville, MD, United StatesHQ checked Sep 28, 20261-107 contacts →

Strong evidence

“Belli, Weil & Grozbean, P.C- Our Maryland divorce lawyer providing the right legal advice in the matter of divorce and family law.”

Source: RevenueBase Database · checked Sep 28, 2026
10Partial evidenceRockville, MD, United StatesHQ checked Sep 28, 20261-105 contacts →

Partial evidence

“The Nichols Gelmann team has over 40 years of collective experience guiding clients to successful outcomes across the most personal areas of law in Maryland and Washington, DC.”

Source: RevenueBase Database · checked Sep 28, 2026
11Partial evidenceRockville, MD, United StatesHQ checked Sep 28, 20261-105 contacts →

Partial evidence

“Compass Law Partners was founded in 2018 to help clients navigate their legal issues smartly, efficiently and with energy, passion, and dedication.”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceRockville, MD, United StatesHQ checked Sep 28, 202611-504 contacts →

Indirect evidence

“Competent counsel on your side can make all the difference.”

Source: RevenueBase Database · checked Sep 28, 2026
13Partial evidenceRockville, MD, United StatesHQ checked Sep 28, 20261-104 contacts →

Partial evidence

“Futrovsky, Forster and Scherr, Chartered is an AV® Rated, full-service law practice that offers personalized, high quality, client-oriented legal service in the Washington DC…”

Source: RevenueBase Database · checked Sep 28, 2026
14Partial evidenceRockville, MD, United StatesHQ checked Sep 28, 20261-104 contacts →

Partial evidence

“As a family firm, father-daughter team Bruce Avery and Prudence Upton are joined by associates Suzanne Ryan and Christy Zlatkus.”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceRockville, VA, United StatesHQ checked Sep 28, 20261-103 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
16Partial evidenceRockville, MD, United StatesHQ checked Sep 28, 20261-103 contacts →

Partial evidence

“The Law Office of LaSheena M.”

Source: RevenueBase Database · checked Sep 28, 2026
17Strong evidenceRockville, MD, United StatesHQ checked Sep 28, 20261-103 contacts →

Strong evidence

“Felinton Elder Care Law and Estate Planning Centers concentrates their practice in working with families who are facing the multitude of questions and complexities confronting…”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceRockville, MD, United StatesHQ checked Sep 28, 20261-102 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceRockville, MD, United StatesHQ checked Sep 28, 20261-102 contacts →

Indirect evidence

“Shouldn't your business be represented by a firm that understands business?”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceRockville, MD, United StatesHQ checked Sep 28, 20261-102 contacts →

Indirect evidence

“Eric J.”

Source: RevenueBase Database · checked Sep 28, 2026
21Strong evidenceRockville, MD, United StatesHQ checked Sep 28, 20261-102 contacts →

Strong evidence

“Law firm focused on designing estate plans and administering probate estates that allow our clients to leave their legacy on their terms.”

Source: RevenueBase Database · checked Sep 28, 2026
22Strong evidenceRockville, MD, United StatesHQ checked Sep 28, 20261-102 contacts →

Strong evidence

“Terenzini Law LLC offers legal services exclusively in family law matters.”

Source: RevenueBase Database · checked Sep 28, 2026
23Partial evidenceRockville, MD, United StatesHQ checked Sep 28, 20261-102 contacts →

Partial evidence

“At the Law Offices of Dana K.”

Source: RevenueBase Database · checked Sep 28, 2026
24Partial evidenceRockville, MD, United StatesHQ checked Sep 28, 20261-102 contacts →

Partial evidence

“Full service law firm representing individuals and business clients throughout the State of Maryland and the District of Columbia.”

Source: RevenueBase Database · checked Sep 28, 2026
25Partial evidenceRockville, MD, United StatesHQ checked Sep 28, 20261-101 contacts →

Partial evidence

“Vine Law Firm, LLC located in Rockville Town Center, is built on the concept that a client's interests can best be advanced through experienced and aggressive, yet cost-effective…”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 58 estate and family law firms based in Rockville, United States

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Estate and family law firms based in Rockville, United States at a glance

As of Sep 28, 2026
46.9%Verified-email coverage
5.8Average contacts per company
1-10Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
48
11-50
9
51-200
1

Email recency for this list is measured across the whole United States list rather than for Rockville, so it is reported there. Company counts and contact totals on this page are exact for Rockville, over 58 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among estate and family law firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Rockville, United States whose own description of what they do matches “estate and family law firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names estate and family law firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among estate and family law firms, and records with no verified work email. Companies headquartered outside Rockville are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 158 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Estate and family law firms by metro in the United States

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names estate and family law firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many estate and family law firms are there based in Rockville, United States?

RevenueBase identified 58 estate and family law firms headquartered in Rockville, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Stein Sperling, headquartered in Rockville, tops this list with the largest team on record.

Which city in the United States has the most estate and family law firms?

New York leads the United States with 529 headquartered companies, followed by Houston (364) and Chicago (346). Rockville has 58.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 158 verified decision-maker contacts tracked across these 58 companies.

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 Smart Search, 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.