Diligentia Group

What Diligentia Group does

Diligentia Group is a boutique private investigation firm operating as Diligentia Group Inc. from Katonah, New York. Founded and led by Brian Willingham, a Certified Fraud Examiner (CFE), the firm provides professional investigative services to four primary client segments: law firms, businesses, investors (including private equity and financial institutions), and private individuals. Core offerings include Background Investigations, Due Diligence Investigations, Legal Investigation (witness location and interviewing, intelligence gathering against legal adversaries), Asset Investigation (real property, UCC filings, hidden assets), People Location Services, Executive Background Checks, Pre-Litigation Asset Searches, and Business Partner Vetting.

The firm's underlying methodology is open-source intelligence (OSINT) gathering supplemented by licensed access to professional-grade investigative databases — IRB, TLO, Merlin, Courtlink, Factiva, Lexis Nexis — alongside public records, civil and criminal court filings, and a developed network of specialized contacts in physical surveillance, cybersecurity, forensic accounting, and fraud examination. The firm does not operate a software platform or API; deliverables are produced as professional service work product.

Diligentia Group operates on a project-based, consultation-driven professional services billing model with no publicly disclosed pricing. Go-to-market is sales-led, anchored on a content marketing engine of 700+ blog pages, an email newsletter with 2,000+ subscribers, podcast appearances across PI Magazine, PI Perspectives, ACFE Stories, and others, and earned media coverage in Wall Street Journal, Washington Post, MarketWatch, ABA Journal, and Fraud Magazine. A free educational guide on hiring a private investigator functions as mid-funnel lead capture. The firm is privately held with no institutional funding, acquisitions, or partnerships disclosed.

Name

Diligentia Group

Legal name

Diligentia Group Inc.

Website

https://diligentiagroup.com

Company type

Private

Founded year

2009

Operating status

Operating

Headcount range

1–10 employees

Short description

Diligentia Group is a boutique private investigation firm providing background checks, due diligence, legal investigations, asset searches, and people location services to law firms, businesses, investors, and individuals using OSINT methodology and licensed database access.

Ownership category

akta.pro rank

Product category

Private Investigation Services

NAICS

Investigation and Personal Background Check Services (561611)

SIC

Services-Legal Services (8111)

akta.pro primary industry

Corporate Due Diligence & Third-Party Risk Investigations (BPAKAEAC)

akta.pro secondary industries

Fraud Investigations & Claims Support (Insurance/Financial) (BPAKAEAD), Litigation Support & Civil Investigations (Witness/Asset/Skip Tracing) (BPAKAEAE), Due Diligence & Investigative Research (BPAHALAI)

Keywords

• Private investigation services
• Due diligence investigations
• Background check services
• Asset investigation services
• Legal investigation support

Headquarters

HQ city

Katonah

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Professional Investigation Services: Diligentia Group provides professional private investigation services on a fee basis. Services include background investigations, due diligence investigations, legal investigations, and asset searches. Billing appears to be project-based or hourly, with free educational guides offered as lead generation.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels6 records

Core offering

Diligentia Group is a boutique private investigation firm that provides professional investigative services to law firms, corporations, financial institutions, private equity investors, and private individuals. Its core services include background investigations, due diligence investigations, legal investigations, asset searches, people location, executive background checks, pre-litigation asset searches, and business partner vetting, delivered through licensed access to professional investigative databases and an experienced source network.

Product overview

Diligentia Group is a professional private investigation firm that offers a unified suite of investigative services rather than a software platform. The company's core offerings include Background Investigations, Due Diligence Investigations, Legal Investigation services, and Asset Investigation services. These services are complemented by specialized offerings such as People Location Services, Executive Background Checks, Pre-Litigation Asset Searches, and Business Partner Vetting. The firm serves a diverse clientele including national and international law firms, corporations, financial institutions, private individuals, and private equity investors. Led by Brian Willingham, CFE, the company focuses on uncovering facts, identifying risks, and providing peace of mind through professional investigative work.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Identified more than 50 Ponzi schemes with alleged damages exceeding $835 million
• +1 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators3 records

Recent moves5 records

Expansion highlights3 records

Direct peers

• Nardello & Co. Boutique global investigations firm specializing in corporate due diligence, asset searches, and background investigations. Closest size-and-scope analog to Diligentia Group.
• Guidepost Solutions: Investigations, compliance, and security consulting firm providing corporate due diligence, background investigations, and asset tracing. Directly comparable in service mix to Diligentia Group.
• Mintz Group: Boutique global firm specializing in investigative due diligence, background investigations, and asset searches for law firms, investors, and corporates. Closely comparable service portfolio and client base to Diligentia Group.

Others

• LexisNexis Risk Solutions: Data and analytics provider whose investigative databases Diligentia Group itself uses (Lexis Nexis). Adjacent enabler rather than competitor, but a comparable enterprise customer-base and use case in background screening and due diligence.

Broad incumbents

• Kroll: Global investigations, due diligence, and risk advisory firm. Directly comparable to Diligentia Group's corporate due diligence and investigative services but operates at a much larger scale with institutional client coverage.
• Control Risks: Global risk consultancy providing due diligence, investigations, and political risk advisory. Comparable services to Diligentia Group but at significantly larger scale and broader portfolio.
• Charles River Associates: Global consulting firm offering forensic, investigative, and litigation support services. Comparable in the corporate investigation/due diligence domain though operating at much larger scale.
• FTI Consulting: Global advisory firm with an investigations and forensic practice covering due diligence, asset tracing, and litigation support. Overlaps with Diligentia's corporate due diligence and asset investigation work.
• Pinkerton: Established U.S. private investigation and corporate security firm offering background checks, due diligence, and fraud investigations. Comparable offerings but materially larger and broader portfolio than Diligentia.

Emerging players

• HireRight: Background screening and due diligence provider serving enterprise HR, legal, and compliance teams. Adjacent to Diligentia's executive background check and due diligence offerings, with a more technology-enabled delivery model.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/DiligentiaGroup
• Facebookfacebook.com/Diligentia.Group
• LinkedInlinkedin.com/company/diligentia-group

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Diligentia Group