Company lists · Data refreshed September 2026
Top 25 Probate accounting firms based in the United States
RevenueBase identified 1,377 probate accounting firms headquartered in the United States as of September 2026 and tracks 6,306 professional contacts across them, including 2,875 with verified work emails and 2,749 with mobile numbers. San Diego is the largest hub.
This list covers probate accounting firms headquartered in the 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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.
The 25 largest probate accounting firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 347 | ||||
“Advantage One Tax Consulting is a multi-disciplinary group of highly experienced tax professionals who understand the tax practice in its true spirit, examine the issues it faces…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 102 | ||||
“Belfint, Lyons & Shuman (BLS) is an accounting firm dedicated to serving businesses, nonprofits, estates, and trusts in Delaware, Pennsylvania and beyond.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 93 | ||||
“We are a full service mezzanine accounting firm that provides an atmosphere where people can flourish in their careers, while at the same time, being able to have meaningful…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 70 | ||||
“Our accounting firm was established to provide expert solutions to businesses and individuals.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | The Probate PROPartial evidence | 60 | |||
“The Probate Pro® is America's Probate Law Firm.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 58 | ||||
“Creative Planning Legal uses an array of estate planning techniques to assist clients with ensuring their wishes for their family and assets are fulfilled, as well as protecting…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 56 | ||||
“Founded in 1982 with the philosophy that successful individuals, entrepreneurs, business owners, and their families require innovative tax, legal and financial solutions.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 53 | ||||
“At Keystone Law Group, P.C, our experienced attorneys handle probate, trust, and estate cases for individuals in California and throughout the United States.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 53 | ||||
“At JKZ LLP, we believe that competent, dependable trust and estate representation requires expertise in estate planning, trust administration, probate, and the formation of…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 49 | ||||
“Founded in 1989, Frazer Ryan Goldberg & Arnold LLP offers a broad range of personal and business legal services, including estate planning, tax planning and civili tax…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | RMO LLPIndirect evidence | 41 | |||
“Welcome to RMO LLP!” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | LAW Stein Anderson, LLPIndirect evidence | 37 | |||
“TRUST EXPERIENCE.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 37 | ||||
Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | Heckscher, Teillon, Terrill & Sager, P.CIndirect evidence | 34 | |||
“Heckscher, Teillon, Terrill & Sager, founded in 1994, provides sophisticated estate and tax planning and fiduciary related services in a personalized setting for individuals…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 33 | ||||
“Oklahoma law firm specializing in Estate Planning, Estate Disputes, Probate and Trust Administration, Guardianship, Commercial Litigation, and Business Transactions.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | Winningham, Becker & Co., LLPIndirect evidence | 32 | |||
“At Winningham Becker & Company, LLP, our goal is to help clients feel secure financially.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 28 | ||||
“When you have spent your life working hard to grow your estate or business, you want to ensure that the fruits of your labor are protected for generations to come.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 27 | ||||
“Hughes & Pizzuto, APC traces its roots to Glenn Wright Jacobs & Schell, founded in 1952 by Eugene Glenn and Leroy A.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 26 | ||||
“At The Estate Lawyers, we focus exclusively on trust and estate litigation, advocating for individuals and families when the stakes are highest.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | Shoup Legal, A Professional LAW CorporationPartial evidence | 26 | |||
“Shoup Legal is an Estate Planning, Probate, Benefits Planning and Business Law Firm serving Southern California.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 25 | ||||
“Alten Sakai & Company LLP is one of the leading local accounting firms in the Portland, Oregon metro area.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 25 | ||||
“Trust & probate trial lawyers.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | Trust Properties USAPartial evidence | 24 | |||
“Unlocking The Equity Your Family Worked A Lifetime For™ #1 Probate and Trust Real Estate Team in California and Florida Unlike other realtors who sell the family home for a…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | Thav Ryke & AssociatesPartial evidence | 24 | |||
“Thav, Ryke & Associates is a probate law firm specializing in all areas of decedent's estates, trusts, guardianships, conservatorships, and probate litigation.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | 23 | ||||
“Hardie Alcozer was founded on the principle that legal services do not have to be that complicated.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 1,377 probate accounting firms based in the United States
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Probate accounting firms based in the United States at a glance
As of Sep 5, 2026Companies by employee count
Verified emails by last verification
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 probate accounting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “probate accounting firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among probate accounting firms, and records with no verified work email. Companies headquartered outside United States 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 an evidence 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, 2,875 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 5, 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.
Probate accounting firms by metro
- Probate accounting firms in San Diego34
- Probate accounting firms in Houston28
Frequently asked
How many probate accounting firms are there based in the United States?
RevenueBase identified 1,377 probate accounting firms headquartered in the 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?
Advantage ONE TAX Consulting, headquartered in Sterling, tops this list with the largest team on record.
Which city has the most probate accounting firms?
San Diego leads with 34 headquartered companies, followed by Houston (28) and Los Angeles (24).
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 2,875 verified decision-maker contacts tracked across these 1,377 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 5, 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.
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