Company lists · Data refreshed September 2026
Top 25 Workplace investigation consultants based in the United States
RevenueBase identified 427 company matches for workplace investigation consultants associated with the United States as of September 2026 and tracks 1,896 professional contacts across them, including 539 with verified work emails. Los Angeles is the largest hub.
This list covers company matches for workplace investigation consultants 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 22, 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 workplace investigation consultants based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 129 contacts → | ||||
Exact match “Beau Dietl & Associates is a premier private investigation firm based in New York City with offices in New Jersey, Florida, and California.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 2 | 94 contacts → | ||||
Exact match “Why Becker & Company?” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 69 contacts → | ||||
Exact match “CSI is a full-service investigative firm that delivers key facts to give our clients an actionable advantage in a wide range of situations.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 66 contacts → | ||||
Exact match “Investigative Group International (IGI) is the premier investigative firm conducting independent, high-touch investigations worldwide.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 57 contacts → | ||||
Exact match “Today’s professionals rely on investigative firms to help manage risk by detecting and preempting problem situations.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 42 contacts → | ||||
Exact match “Hilton Global Associates is a professional investigative research firm providing expert due diligence and unparalleled client service.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 41 contacts → | ||||
Exact match “Workplace investigations provide employers with an effective tool to make informed employment decisions.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 39 contacts → | ||||
Exact match “Hodson P.I.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 31 contacts → | ||||
Exact match “Our mission at Pinnacle Investigations is to provide accurate, timely, compliant background reports to aid our clients in building a safe, secure workplace.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 30 contacts → | ||||
Exact match “Different by Design: Transforming Workplace Risk into Workplace Trust Workplace misconduct isn’t just disruptive-it creates risk, drains resources, and burdens internal teams with…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 28 contacts → | ||||
Exact match “SACS Consulting & Investigative Services helps businesses, schools, and non-profits reduce workplace risk through HR support, investigations, security services, and training.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 28 contacts → | ||||
Exact match “Palicon Group is a Southern California based firm specializing in workplace investigations, security, and public safety consulting.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 25 contacts → | ||||
Exact match “Oppenheimer Investigations Group LLP focuses on performing timely, fair and thorough investigations of allegations of harassment, discrimination and other misconduct in the…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 22 contacts → | ||||
Exact match “A full service private investigation firm specializing in workers' compensation, liability, insurance, and Human Resource solutions.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 17 contacts → | ||||
Exact match “When workplace challenges demand expertise you can trust, organizations turn to The AR Group, LLC.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 12 contacts → | ||||
Exact match “Freeh Group International Solutions, LLC (“FGIS”) has been acquired by AlixPartners, LLP, the global management consulting firm, expanding its world-class investigations practice.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 12 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 11 contacts → | ||||
Exact match “The team at EPT Legal, LLC has been serving the New York area for decades.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 11 contacts → | ||||
Exact match “Providing expert workplace and Title IX investigations, strategic HR advice, and compliance training to companies, public entities, and nonprofits since 1995.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 10 contacts → | ||||
Exact match “Public Interest Investigations is a leading provider of neutral, trauma-informed workplace investigations, Title IX investigations, and criminal investigations for public…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 21 | 10 contacts → | ||||
Exact match “Information Collection and Risk Mitigation Experts.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 22 | 9 contacts → | ||||
Exact match “When searching for investigative services, experience will always be a primary concern.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 23 | 9 contacts → | ||||
Exact match “At the JL Group, we are battle-tested through years of investigative experience.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 24 | 9 contacts → | ||||
Exact match “Swailes & Company is a licensed investigative and security consulting company headquartered in Houston, Texas.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 25 | 9 contacts → | ||||
Exact match “Ellis Investigations Law Corporation is a law firm committed to investigating and resolving the most complex issues at work and on campus.” Recorded in the RevenueBase company graph · Sep 22, 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 “workplace investigation consultants”. 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 427 workplace investigation consultants based in the United States
See the full list, filter by size, metro and specialty, and access 539 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Workplace investigation consultants based in the United States at a glance
As of Sep 22, 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 427 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 “workplace investigation consultants” 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 539 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 22, 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.
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 “workplace investigation consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many workplace investigation consultants are there based in the United States?
RevenueBase identified 427 company matches for workplace investigation consultants 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?
Beau Dietl & Associates tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most workplace investigation consultants?
Los Angeles leads with 9 company records, followed by Denver (8) and Chicago (7).
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 539 professional contacts with verified work emails tracked across these 427 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 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 427 workplace investigation consultants based in the United States. Start with a free account, no credit card.
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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.
More company lists
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- Lists by location
- Lists A-Z
- New lists
- Workplace investigation consultants based in Australia
- Workplace investigation consultants based in Canada
- Workplace investigation consultants based in the Netherlands
- Workplace investigation consultants based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 workplace investigation consultants 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 427 matching company records for workplace investigation consultants based in the United States, with 1,896 tracked contacts and 539 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 22, 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 workplace investigation consultants 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 | Beau Dietl & Associatesinvestigations.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 129 contacts → |
“Beau Dietl & Associates is a premier private investigation firm based in New York City with offices in New Jersey, Florida, and California.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Becker & Company, INCbeckerpi.com HQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 94 contacts → |
“Why Becker & Company?” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  CSI Corporate Security And Investigationscsiinvestigators.comHQ: Monaca, PA, United StatesReported employees: 201-500 | Monaca, PA, United States | 201-500 | Exact match | 69 contacts → |
“CSI is a full-service investigative firm that delivers key facts to give our clients an actionable advantage in a wide range of situations.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Investigative Group Internationaligint.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 66 contacts → |
“Investigative Group International (IGI) is the premier investigative firm conducting independent, high-touch investigations worldwide.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Apex Investigationapexpi.comHQ: Sacramento, CA, United StatesReported employees: 51-200 | Sacramento, CA, United States | 51-200 | Exact match | 57 contacts → |
“Today’s professionals rely on investigative firms to help manage risk by detecting and preempting problem situations.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Hilton Global Associates INChiltonglobalassociates.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 42 contacts → |
“Hilton Global Associates is a professional investigative research firm providing expert due diligence and unparalleled client service.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | VAN Dermyden Makus LAW Corporationvmlawcorp.com HQ: Sacramento, CA, United StatesReported employees: 11-50 | Sacramento, CA, United States | 11-50 | Exact match | 41 contacts → |
“Workplace investigations provide employers with an effective tool to make informed employment decisions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Hodson P.I.hodsonpi.com HQ: Temecula, CA, United StatesReported employees: 51-200 | Temecula, CA, United States | 51-200 | Exact match | 39 contacts → |
“Hodson P.I.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Pinnacle Investigationspinnacleprof.com HQ: Spokane Valley, WA, United StatesReported employees: 11-50 | Spokane Valley, WA, United States | 11-50 | Exact match | 31 contacts → |
“Our mission at Pinnacle Investigations is to provide accurate, timely, compliant background reports to aid our clients in building a safe, secure workplace.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Work Shieldworkshield.com HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 30 contacts → |
“Different by Design: Transforming Workplace Risk into Workplace Trust Workplace misconduct isn’t just disruptive-it creates risk, drains resources, and burdens internal teams with…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sacs Consulting And Investigative Services, INCsacsconsulting.com HQ: Akron, OH, United StatesReported employees: 11-50 | Akron, OH, United States | 11-50 | Exact match | 28 contacts → |
“SACS Consulting & Investigative Services helps businesses, schools, and non-profits reduce workplace risk through HR support, investigations, security services, and training.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Palicon Grouppalicongroup.comHQ: Los Angeles, United StatesReported employees: 51-200 | Los Angeles, United States | 51-200 | Exact match | 28 contacts → |
“Palicon Group is a Southern California based firm specializing in workplace investigations, security, and public safety consulting.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Oppenheimer Investigations Group OIGoiglaw.com HQ: Oakland, CA, United StatesReported employees: 11-50 | Oakland, CA, United States | 11-50 | Exact match | 25 contacts → |
“Oppenheimer Investigations Group LLP focuses on performing timely, fair and thorough investigations of allegations of harassment, discrimination and other misconduct in the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | EMIchooseemi.com HQ: Vacaville, CA, United StatesReported employees: 1-10 | Vacaville, CA, United States | 1-10 | Exact match | 22 contacts → |
“A full service private investigation firm specializing in workers' compensation, liability, insurance, and Human Resource solutions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  The AR Group, LLCtheargroup.comHQ: Greenwood Village, CO, United StatesReported employees: 11-50 | Greenwood Village, CO, United States | 11-50 | Exact match | 17 contacts → |
“When workplace challenges demand expertise you can trust, organizations turn to The AR Group, LLC.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Freeh Group International Solutions NOW Alixpartnersalixpartners.comHQ: Wilmington, DE, United StatesReported employees: 1,001-5,000 | Wilmington, DE, United States | 1,001-5,000 | Exact match | 12 contacts → |
“Freeh Group International Solutions, LLC (“FGIS”) has been acquired by AlixPartners, LLP, the global management consulting firm, expanding its world-class investigations practice.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Kolb, Stewart & Associates, INCkolbstewart.com HQ: Phoenix, AZ, United StatesReported employees: 51-200 | Phoenix, AZ, United States | 51-200 | Exact match | 12 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  EPT Legal, LLCeptlegal.comHQ: New York, NY, United StatesReported employees: 1-10 | New York, NY, United States | 1-10 | Exact match | 11 contacts → |
“The team at EPT Legal, LLC has been serving the New York area for decades.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Investigations LAW Group, LLCilgdenver.comHQ: Denver, CO, United StatesReported employees: 11-50 | Denver, CO, United States | 11-50 | Exact match | 11 contacts → |
“Providing expert workplace and Title IX investigations, strategic HR advice, and compliance training to companies, public entities, and nonprofits since 1995.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Public Interest Investigations, INCpiila.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 10 contacts → |
“Public Interest Investigations is a leading provider of neutral, trauma-informed workplace investigations, Title IX investigations, and criminal investigations for public…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Eagle Investigative Services, INCeaglepiservices.com HQ: Atlanta, AL, United StatesReported employees: 1-10 | Atlanta, AL, United States | 1-10 | Exact match | 10 contacts → |
“Information Collection and Risk Mitigation Experts.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Trgt Legaltrgtlegal.com HQ: Pinellas Park, FL, United StatesReported employees: 11-50 | Pinellas Park, FL, United States | 11-50 | Exact match | 9 contacts → |
“When searching for investigative services, experience will always be a primary concern.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | JL Group LLCjlgroup.net HQ: Laguna Niguel, CA, United StatesReported employees: 11-50 | Laguna Niguel, CA, United States | 11-50 | Exact match | 9 contacts → |
“At the JL Group, we are battle-tested through years of investigative experience.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Swailes & Company, INCswailes.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 9 contacts → |
“Swailes & Company is a licensed investigative and security consulting company headquartered in Houston, Texas.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Ellis Investigations LAW Corporationellisinvestigations.comHQ: Sacramento, CA, United StatesReported employees: 1-10 | Sacramento, CA, United States | 1-10 | Exact match | 9 contacts → |
“Ellis Investigations Law Corporation is a law firm committed to investigating and resolving the most complex issues at work and on campus.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 427 company matches
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Workplace investigation consultants: dataset insights
September 22, 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
427 records in the displayed employee bands.
0 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 427 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 22, 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 ↗
Questions about this company list
What does Exact match mean for workplace investigation consultants?
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 workplace investigation consultants did RevenueBase find based in the United States?
The saved snapshot records 427 matching company records, 1,896 tracked contacts and 539 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 22, 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
Workplace investigation consultants by geography
Cite this list
RevenueBase Data Team. Top 25 workplace investigation consultants based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/workplace-investigation-consultants/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
- Workplace investigation consultants based in Australia
- Workplace investigation consultants based in Canada
- Workplace investigation consultants based in the Netherlands
- Workplace investigation consultants based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 workplace investigation consultants based in the United States
RevenueBase records 427 matching company records for workplace investigation consultants based in the United States, with 1,896 tracked contacts and 539 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 22, 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 workplace investigation consultants 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 | Beau Dietl & Associatesinvestigations.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 129 contacts → |
“Beau Dietl & Associates is a premier private investigation firm based in New York City with offices in New Jersey, Florida, and California.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Becker & Company, INCbeckerpi.com HQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 94 contacts → |
“Why Becker & Company?” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | CSI Corporate Security And Investigationscsiinvestigators.com HQ: Monaca, PA, United StatesReported employees: 201-500 | Monaca, PA, United States | 201-500 | Exact match | 69 contacts → |
“CSI is a full-service investigative firm that delivers key facts to give our clients an actionable advantage in a wide range of situations.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Investigative Group Internationaligint.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 66 contacts → |
“Investigative Group International (IGI) is the premier investigative firm conducting independent, high-touch investigations worldwide.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Apex Investigationapexpi.com HQ: Sacramento, CA, United StatesReported employees: 51-200 | Sacramento, CA, United States | 51-200 | Exact match | 57 contacts → |
“Today’s professionals rely on investigative firms to help manage risk by detecting and preempting problem situations.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Hilton Global Associates INChiltonglobalassociates.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 42 contacts → |
“Hilton Global Associates is a professional investigative research firm providing expert due diligence and unparalleled client service.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | VAN Dermyden Makus LAW Corporationvmlawcorp.com HQ: Sacramento, CA, United StatesReported employees: 11-50 | Sacramento, CA, United States | 11-50 | Exact match | 41 contacts → |
“Workplace investigations provide employers with an effective tool to make informed employment decisions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Hodson P.I.hodsonpi.com HQ: Temecula, CA, United StatesReported employees: 51-200 | Temecula, CA, United States | 51-200 | Exact match | 39 contacts → |
“Hodson P.I.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Pinnacle Investigationspinnacleprof.com HQ: Spokane Valley, WA, United StatesReported employees: 11-50 | Spokane Valley, WA, United States | 11-50 | Exact match | 31 contacts → |
“Our mission at Pinnacle Investigations is to provide accurate, timely, compliant background reports to aid our clients in building a safe, secure workplace.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Work Shieldworkshield.com HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 30 contacts → |
“Different by Design: Transforming Workplace Risk into Workplace Trust Workplace misconduct isn’t just disruptive-it creates risk, drains resources, and burdens internal teams with…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sacs Consulting And Investigative Services, INCsacsconsulting.com HQ: Akron, OH, United StatesReported employees: 11-50 | Akron, OH, United States | 11-50 | Exact match | 28 contacts → |
“SACS Consulting & Investigative Services helps businesses, schools, and non-profits reduce workplace risk through HR support, investigations, security services, and training.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Palicon Grouppalicongroup.com HQ: Los Angeles, United StatesReported employees: 51-200 | Los Angeles, United States | 51-200 | Exact match | 28 contacts → |
“Palicon Group is a Southern California based firm specializing in workplace investigations, security, and public safety consulting.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Oppenheimer Investigations Group OIGoiglaw.com HQ: Oakland, CA, United StatesReported employees: 11-50 | Oakland, CA, United States | 11-50 | Exact match | 25 contacts → |
“Oppenheimer Investigations Group LLP focuses on performing timely, fair and thorough investigations of allegations of harassment, discrimination and other misconduct in the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | EMIchooseemi.com HQ: Vacaville, CA, United StatesReported employees: 1-10 | Vacaville, CA, United States | 1-10 | Exact match | 22 contacts → |
“A full service private investigation firm specializing in workers' compensation, liability, insurance, and Human Resource solutions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | The AR Group, LLCtheargroup.com HQ: Greenwood Village, CO, United StatesReported employees: 11-50 | Greenwood Village, CO, United States | 11-50 | Exact match | 17 contacts → |
“When workplace challenges demand expertise you can trust, organizations turn to The AR Group, LLC.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Freeh Group International Solutions NOW Alixpartnersalixpartners.com HQ: Wilmington, DE, United StatesReported employees: 1,001-5,000 | Wilmington, DE, United States | 1,001-5,000 | Exact match | 12 contacts → |
“Freeh Group International Solutions, LLC (“FGIS”) has been acquired by AlixPartners, LLP, the global management consulting firm, expanding its world-class investigations practice.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Kolb, Stewart & Associates, INCkolbstewart.com HQ: Phoenix, AZ, United StatesReported employees: 51-200 | Phoenix, AZ, United States | 51-200 | Exact match | 12 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | EPT Legal, LLCeptlegal.com HQ: New York, NY, United StatesReported employees: 1-10 | New York, NY, United States | 1-10 | Exact match | 11 contacts → |
“The team at EPT Legal, LLC has been serving the New York area for decades.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Investigations LAW Group, LLCilgdenver.com HQ: Denver, CO, United StatesReported employees: 11-50 | Denver, CO, United States | 11-50 | Exact match | 11 contacts → |
“Providing expert workplace and Title IX investigations, strategic HR advice, and compliance training to companies, public entities, and nonprofits since 1995.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Public Interest Investigations, INCpiila.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 10 contacts → |
“Public Interest Investigations is a leading provider of neutral, trauma-informed workplace investigations, Title IX investigations, and criminal investigations for public…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Eagle Investigative Services, INCeaglepiservices.com HQ: Atlanta, AL, United StatesReported employees: 1-10 | Atlanta, AL, United States | 1-10 | Exact match | 10 contacts → |
“Information Collection and Risk Mitigation Experts.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Trgt Legaltrgtlegal.com HQ: Pinellas Park, FL, United StatesReported employees: 11-50 | Pinellas Park, FL, United States | 11-50 | Exact match | 9 contacts → |
“When searching for investigative services, experience will always be a primary concern.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | JL Group LLCjlgroup.net HQ: Laguna Niguel, CA, United StatesReported employees: 11-50 | Laguna Niguel, CA, United States | 11-50 | Exact match | 9 contacts → |
“At the JL Group, we are battle-tested through years of investigative experience.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Swailes & Company, INCswailes.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 9 contacts → |
“Swailes & Company is a licensed investigative and security consulting company headquartered in Houston, Texas.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Ellis Investigations LAW Corporationellisinvestigations.com HQ: Sacramento, CA, United StatesReported employees: 1-10 | Sacramento, CA, United States | 1-10 | Exact match | 9 contacts → |
“Ellis Investigations Law Corporation is a law firm committed to investigating and resolving the most complex issues at work and on campus.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 427 company matches
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Workplace investigation consultants: dataset insights
September 22, 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
427 records in the displayed employee bands.
0 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 427 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 22, 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 ↗
Questions about this company list
What does Exact match mean for workplace investigation consultants?
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 workplace investigation consultants did RevenueBase find based in the United States?
The saved snapshot records 427 matching company records, 1,896 tracked contacts and 539 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 22, 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
Workplace investigation consultants by geography
Cite this list
RevenueBase Data Team. Top 25 workplace investigation consultants based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/workplace-investigation-consultants/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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