Company lists · Data refreshed September 2026
Top 25 Transaction support companies based in the United States
RevenueBase identified 1,052 company matches for transaction support companies associated with the United States as of September 2026 and tracks 10,006 professional contacts across them, including 4,623 with verified work emails. New York is the largest hub.
This list covers company matches for transaction support companies associated with the 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 21, 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 transaction support companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,160 contacts → | ||||
Exact match “With over 1,200 professionals across 18 international offices, Riveron delivers tailored solutions for CFOs, private equity firms, and key stakeholders.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 427 contacts → | ||||
Exact match “Solomon Partners is a leading investment bank – one of the first independent firms in the industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 339 contacts → | ||||
Exact match “Selling a business is one of the most important financial decisions you'll ever make.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 276 contacts → | ||||
Exact match “For over 20 years, Capstone Partners has been a trusted advisor to leading middle market companies, offering a fully integrated range of investment banking and financial advisory…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 259 contacts → | ||||
Exact match “WilliamsMarston is a national leader in complex accounting, tax, technology, transaction and valuation advisory services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 228 contacts → | ||||
Exact match “Since its beginning in 2005, Generational Group has grown to be one of the leading M&A firms in North America.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 207 contacts → | ||||
Exact match “Livingstone is an international mid-market M&A and debt advisory firm with offices in Amsterdam, Beijing, Chicago, Düsseldorf, Frankfurt, Hamburg, London, Los Angeles, Madrid…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 187 contacts → | ||||
Exact match “DPO & Co specializes in helping Private Equity firms and their portfolio companies gain fact-based insights during the diligence process and realize post-close synergies and value…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 139 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 135 contacts → | ||||
Exact match “Transaction Advisory Private Client & Co.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 118 contacts → | ||||
Exact match “CDI Global, established in 1973, is a leader in middle-market, cross-border transactions with over transactions to our credit.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 110 contacts → | ||||
Exact match “Progress Partners is a Boston and New York-based corporate advisory firm that works with buyers and sellers of emerging growth companies to complete M&A or private placement…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 99 contacts → | ||||
Exact match “IMAP has been guiding business owners and investors in M&A and corporate finance advisory transactions since 1973.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 85 contacts → | ||||
Exact match “Palm Tree is the modern M&A advisor.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 81 contacts → | ||||
Exact match “Outside Operating Partners, Due Diligence Support and CPM Software Implementation with proven success in making our clients make more money faster.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 76 contacts → | ||||
Exact match “FP Transitions is a specialized business consulting firm dedicated to wealth managers and independent financial advisors.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 71 contacts → | ||||
Exact match “At Intrinsic, we partner with private equity funds and middle market teams to help them navigate their toughest financial decisions and challenges.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 70 contacts → | ||||
Exact match “Gottesman Company: Your Trusted Partner in Mergers and Acquisitions (M&A) Since 1985, Gottesman Company has been a leader in the M&A industry, recognized as one of the largest M&A…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 68 contacts → | ||||
Exact match “With more than four decades of experience, FOCUS Investment Banking is a trusted name in middle market M&A advisory services worldwide.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 62 contacts → | ||||
Exact match “PricewaterhouseCoopers Corporate Finance LLC (“PwC Corporate Finance”) and its professionals specialize in providing M&A-related investment banking advisory services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 62 contacts → | ||||
Exact match “Since our founding more than 35 years ago, Phoenix has been effectively addressing complex enterprise situations by executing operationally focused solutions for clients across…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 61 contacts → | ||||
Exact match “ComCap was founded in 2012 to provide financial and strategic advisory services on mergers and acquisitions, corporate divestitures, and financings.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 54 contacts → | ||||
Exact match “Copper Run was established to provide superior M&A advisory services to underserved middle market firms in the Midwest.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 53 contacts → | ||||
Exact match “Blue River Financial Group is a merger and acquisition advisory firm that delivers advanced transactional guidance to middle-market clients.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 50 contacts → | ||||
Exact match “Griffin Financial Group is a boutique investment bank providing merger and acquisition advisory, financing and strategic consulting services for both healthy and financially…” Recorded in the RevenueBase company graph · Sep 21, 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 “transaction support companies”. 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 1,052 transaction support companies based in the United States
See the full list, filter by size, metro and specialty, and access 4,623 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Transaction support companies based in the United States at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,052 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 the United States whose business descriptions match “transaction support companies” 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 4,623 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 21, 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.
Transaction support companies by metro
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 “transaction support companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many transaction support companies are there based in the United States?
RevenueBase identified 1,052 company matches for transaction support companies associated with the 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?
Riveron tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most transaction support companies?
New York leads with 90 company records, followed by Atlanta (43) and Chicago (40).
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 4,623 professional contacts with verified work emails tracked across these 1,052 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,052 transaction support companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Transaction support companies by geography
- Transaction support companies based in Atlanta, United States
- Transaction support companies based in Chicago, United States
- Transaction support companies based in Dallas, United States
- Transaction support companies based in Houston, United States
- Transaction support companies based in New York, United States
- Transaction support companies based in Australia
- Transaction support companies based in Belgium
- Transaction support companies based in Brazil
- Transaction support companies based in Canada
- Transaction support companies based in Czechia
- Transaction support companies based in Finland
- Transaction support companies based in France
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Transaction support companies based in Atlanta, United States
- Transaction support companies based in Chicago, United States
- Transaction support companies based in Dallas, United States
- Transaction support companies based in Houston, United States
- Transaction support companies based in New York, United States
- Transaction support companies based in Australia
Company intelligence · public preview
Top 25 transaction support companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,052 matching company records for transaction support companies based in the United States, with 10,006 tracked contacts and 4,623 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 transaction support companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Riveronriveron.comHQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 1,160 contacts → |
“With over 1,200 professionals across 18 international offices, Riveron delivers tailored solutions for CFOs, private equity firms, and key stakeholders.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Solomon Partnerssolomonpartners.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 427 contacts → |
“Solomon Partners is a leading investment bank – one of the first independent firms in the industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Sellside Group, LLCsellsidegroup.comHQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 339 contacts → |
“Selling a business is one of the most important financial decisions you'll ever make.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Capstone Partnerscapstonepartners.comHQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 276 contacts → |
“For over 20 years, Capstone Partners has been a trusted advisor to leading middle market companies, offering a fully integrated range of investment banking and financial advisory…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Williamsmarstonwilliamsmarston.comHQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 259 contacts → |
“WilliamsMarston is a national leader in complex accounting, tax, technology, transaction and valuation advisory services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Generational Groupgenerational.comHQ: Richardson, TX, United StatesReported employees: 201-500 | Richardson, TX, United States | 201-500 | Exact match | 228 contacts → |
“Since its beginning in 2005, Generational Group has grown to be one of the leading M&A firms in North America.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Livingstonelivingstonepartners.comHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 207 contacts → |
“Livingstone is an international mid-market M&A and debt advisory firm with offices in Amsterdam, Beijing, Chicago, Düsseldorf, Frankfurt, Hamburg, London, Los Angeles, Madrid…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Dpo&co.dpoandco.comHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 187 contacts → |
“DPO & Co specializes in helping Private Equity firms and their portfolio companies gain fact-based insights during the diligence process and realize post-close synergies and value…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Corum Group LTDcorumgroup.comHQ: Bothell, WA, United StatesReported employees: 11-50 | Bothell, WA, United States | 11-50 | Exact match | 139 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  Private Client & COprivateclient.usHQ: Los Angeles, CA, United StatesReported employees: Not recorded | Los Angeles, CA, United States | Not recorded | Exact match | 135 contacts → |
“Transaction Advisory Private Client & Co.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  CDI Global M&acdiglobal.comHQ: Chicago, United StatesReported employees: 51-200 | Chicago, United States | 51-200 | Exact match | 118 contacts → |
“CDI Global, established in 1973, is a leader in middle-market, cross-border transactions with over transactions to our credit.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Progress Partnersprogresspartners.comHQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 110 contacts → |
“Progress Partners is a Boston and New York-based corporate advisory firm that works with buyers and sellers of emerging growth companies to complete M&A or private placement…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  IMAPimap.comHQ: Wilmington, DE, United StatesReported employees: 201-500 | Wilmington, DE, United States | 201-500 | Exact match | 99 contacts → |
“IMAP has been guiding business owners and investors in M&A and corporate finance advisory transactions since 1973.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Palm Tree LLCpalmtreellc.comHQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 85 contacts → |
“Palm Tree is the modern M&A advisor.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Blue OPSblueopspartners.com HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 81 contacts → |
“Outside Operating Partners, Due Diligence Support and CPM Software Implementation with proven success in making our clients make more money faster.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  FP Transitionsfptransitions.comHQ: Lake Oswego, OR, United StatesReported employees: 51-200 | Lake Oswego, OR, United States | 51-200 | Exact match | 76 contacts → |
“FP Transitions is a specialized business consulting firm dedicated to wealth managers and independent financial advisors.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Intrinsic LLCintrinsicfirm.comHQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 71 contacts → |
“At Intrinsic, we partner with private equity funds and middle market teams to help them navigate their toughest financial decisions and challenges.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Gottesman Companygottesman-company.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 70 contacts → |
“Gottesman Company: Your Trusted Partner in Mergers and Acquisitions (M&A) Since 1985, Gottesman Company has been a leader in the M&A industry, recognized as one of the largest M&A…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Focus Investment Bankingfocusbankers.comHQ: Washington D.c., GA, United StatesReported employees: 51-200 | Washington D.c., GA, United States | 51-200 | Exact match | 68 contacts → |
“With more than four decades of experience, FOCUS Investment Banking is a trusted name in middle market M&A advisory services worldwide.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: NY, United StatesReported employees: 11-50 | NY, United States | 11-50 | Exact match | 62 contacts → |
“PricewaterhouseCoopers Corporate Finance LLC (“PwC Corporate Finance”) and its professionals specialize in providing M&A-related investment banking advisory services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Phoenix Management, A Part Of J.S. Heldphoenixmanagement.com HQ: Chadds Ford, PA, United StatesReported employees: 11-50 | Chadds Ford, PA, United States | 11-50 | Exact match | 62 contacts → |
“Since our founding more than 35 years ago, Phoenix has been effectively addressing complex enterprise situations by executing operationally focused solutions for clients across…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Comcapcomcapllc.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 61 contacts → |
“ComCap was founded in 2012 to provide financial and strategic advisory services on mergers and acquisitions, corporate divestitures, and financings.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Copper RUNcopperruncap.comHQ: Columbus, OH, United StatesReported employees: 11-50 | Columbus, OH, United States | 11-50 | Exact match | 54 contacts → |
“Copper Run was established to provide superior M&A advisory services to underserved middle market firms in the Midwest.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Blue River Financial Groupgoblueriver.com HQ: Bloomfield Hills, MI, United StatesReported employees: 11-50 | Bloomfield Hills, MI, United States | 11-50 | Exact match | 53 contacts → |
“Blue River Financial Group is a merger and acquisition advisory firm that delivers advanced transactional guidance to middle-market clients.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Griffin Financial Groupgriffinfingroup.comHQ: Reading, PA, United StatesReported employees: 51-200 | Reading, PA, United States | 51-200 | Exact match | 50 contacts → |
“Griffin Financial Group is a boutique investment bank providing merger and acquisition advisory, financing and strategic consulting services for both healthy and financially…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,052 company matches
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Transaction support companies: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,051 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,052 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Transaction support companies by metro
Questions about this company list
What does Exact match mean for transaction support companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many transaction support companies did RevenueBase find based in the United States?
The saved snapshot records 1,052 matching company records, 10,006 tracked contacts and 4,623 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Transaction support companies by geography
- Transaction support companies based in Atlanta, United States
- Transaction support companies based in Chicago, United States
- Transaction support companies based in Dallas, United States
- Transaction support companies based in Houston, United States
- Transaction support companies based in New York, United States
- Transaction support companies based in Australia
- Transaction support companies based in Belgium
- Transaction support companies based in Brazil
- Transaction support companies based in Canada
- Transaction support companies based in Czechia
- Transaction support companies based in Finland
- Transaction support companies based in France
Cite this list
RevenueBase Data Team. Top 25 transaction support companies based in the United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/transaction-support-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Transaction support companies based in Atlanta, United States
- Transaction support companies based in Chicago, United States
- Transaction support companies based in Dallas, United States
- Transaction support companies based in Houston, United States
- Transaction support companies based in New York, United States
- Transaction support companies based in Australia
Company intelligence · public preview
Top 25 transaction support companies based in the United States
RevenueBase records 1,052 matching company records for transaction support companies based in the United States, with 10,006 tracked contacts and 4,623 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 transaction support companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Riveronriveron.com HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 1,160 contacts → |
“With over 1,200 professionals across 18 international offices, Riveron delivers tailored solutions for CFOs, private equity firms, and key stakeholders.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Solomon Partnerssolomonpartners.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 427 contacts → |
“Solomon Partners is a leading investment bank – one of the first independent firms in the industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sellside Group, LLCsellsidegroup.com HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 339 contacts → |
“Selling a business is one of the most important financial decisions you'll ever make.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Capstone Partnerscapstonepartners.com HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 276 contacts → |
“For over 20 years, Capstone Partners has been a trusted advisor to leading middle market companies, offering a fully integrated range of investment banking and financial advisory…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Williamsmarstonwilliamsmarston.com HQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 259 contacts → |
“WilliamsMarston is a national leader in complex accounting, tax, technology, transaction and valuation advisory services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Generational Groupgenerational.com HQ: Richardson, TX, United StatesReported employees: 201-500 | Richardson, TX, United States | 201-500 | Exact match | 228 contacts → |
“Since its beginning in 2005, Generational Group has grown to be one of the leading M&A firms in North America.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Livingstonelivingstonepartners.com HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 207 contacts → |
“Livingstone is an international mid-market M&A and debt advisory firm with offices in Amsterdam, Beijing, Chicago, Düsseldorf, Frankfurt, Hamburg, London, Los Angeles, Madrid…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Dpo&co.dpoandco.com HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 187 contacts → |
“DPO & Co specializes in helping Private Equity firms and their portfolio companies gain fact-based insights during the diligence process and realize post-close synergies and value…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Corum Group LTDcorumgroup.com HQ: Bothell, WA, United StatesReported employees: 11-50 | Bothell, WA, United States | 11-50 | Exact match | 139 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Private Client & COprivateclient.us HQ: Los Angeles, CA, United StatesReported employees: Not recorded | Los Angeles, CA, United States | Not recorded | Exact match | 135 contacts → |
“Transaction Advisory Private Client & Co.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | CDI Global M&acdiglobal.com HQ: Chicago, United StatesReported employees: 51-200 | Chicago, United States | 51-200 | Exact match | 118 contacts → |
“CDI Global, established in 1973, is a leader in middle-market, cross-border transactions with over transactions to our credit.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Progress Partnersprogresspartners.com HQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 110 contacts → |
“Progress Partners is a Boston and New York-based corporate advisory firm that works with buyers and sellers of emerging growth companies to complete M&A or private placement…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | IMAPimap.com HQ: Wilmington, DE, United StatesReported employees: 201-500 | Wilmington, DE, United States | 201-500 | Exact match | 99 contacts → |
“IMAP has been guiding business owners and investors in M&A and corporate finance advisory transactions since 1973.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Palm Tree LLCpalmtreellc.com HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 85 contacts → |
“Palm Tree is the modern M&A advisor.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Blue OPSblueopspartners.com HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 81 contacts → |
“Outside Operating Partners, Due Diligence Support and CPM Software Implementation with proven success in making our clients make more money faster.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | FP Transitionsfptransitions.com HQ: Lake Oswego, OR, United StatesReported employees: 51-200 | Lake Oswego, OR, United States | 51-200 | Exact match | 76 contacts → |
“FP Transitions is a specialized business consulting firm dedicated to wealth managers and independent financial advisors.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Intrinsic LLCintrinsicfirm.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 71 contacts → |
“At Intrinsic, we partner with private equity funds and middle market teams to help them navigate their toughest financial decisions and challenges.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Gottesman Companygottesman-company.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 70 contacts → |
“Gottesman Company: Your Trusted Partner in Mergers and Acquisitions (M&A) Since 1985, Gottesman Company has been a leader in the M&A industry, recognized as one of the largest M&A…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Focus Investment Bankingfocusbankers.com HQ: Washington D.c., GA, United StatesReported employees: 51-200 | Washington D.c., GA, United States | 51-200 | Exact match | 68 contacts → |
“With more than four decades of experience, FOCUS Investment Banking is a trusted name in middle market M&A advisory services worldwide.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: NY, United StatesReported employees: 11-50 | NY, United States | 11-50 | Exact match | 62 contacts → |
“PricewaterhouseCoopers Corporate Finance LLC (“PwC Corporate Finance”) and its professionals specialize in providing M&A-related investment banking advisory services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Phoenix Management, A Part Of J.S. Heldphoenixmanagement.com HQ: Chadds Ford, PA, United StatesReported employees: 11-50 | Chadds Ford, PA, United States | 11-50 | Exact match | 62 contacts → |
“Since our founding more than 35 years ago, Phoenix has been effectively addressing complex enterprise situations by executing operationally focused solutions for clients across…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Comcapcomcapllc.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 61 contacts → |
“ComCap was founded in 2012 to provide financial and strategic advisory services on mergers and acquisitions, corporate divestitures, and financings.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Copper RUNcopperruncap.com HQ: Columbus, OH, United StatesReported employees: 11-50 | Columbus, OH, United States | 11-50 | Exact match | 54 contacts → |
“Copper Run was established to provide superior M&A advisory services to underserved middle market firms in the Midwest.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Blue River Financial Groupgoblueriver.com HQ: Bloomfield Hills, MI, United StatesReported employees: 11-50 | Bloomfield Hills, MI, United States | 11-50 | Exact match | 53 contacts → |
“Blue River Financial Group is a merger and acquisition advisory firm that delivers advanced transactional guidance to middle-market clients.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Griffin Financial Groupgriffinfingroup.com HQ: Reading, PA, United StatesReported employees: 51-200 | Reading, PA, United States | 51-200 | Exact match | 50 contacts → |
“Griffin Financial Group is a boutique investment bank providing merger and acquisition advisory, financing and strategic consulting services for both healthy and financially…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Transaction support companies: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,051 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,052 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Transaction support companies by metro
Questions about this company list
What does Exact match mean for transaction support companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many transaction support companies did RevenueBase find based in the United States?
The saved snapshot records 1,052 matching company records, 10,006 tracked contacts and 4,623 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Transaction support companies by geography
- Transaction support companies based in Atlanta, United States
- Transaction support companies based in Chicago, United States
- Transaction support companies based in Dallas, United States
- Transaction support companies based in Houston, United States
- Transaction support companies based in New York, United States
- Transaction support companies based in Australia
- Transaction support companies based in Belgium
- Transaction support companies based in Brazil
- Transaction support companies based in Canada
- Transaction support companies based in Czechia
- Transaction support companies based in Finland
- Transaction support companies based in France
Cite this list
RevenueBase Data Team. Top 25 transaction support companies based in the United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/transaction-support-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Transaction support companies based in Houston, United States
- Transaction support companies based in New York, United States
- Transaction support companies based in Australia