Best Private Investigators in Nashville for Infidelity Investigations

Suspecting infidelity is emotionally difficult. It can also be confusing, especially when you are trying to separate fear, intuition, and facts. A licensed private investigator can help document what is happening through legal, discreet methods such as surveillance, background research, and evidence reporting.

This guide highlights Nashville-area private investigators that publicly offer services relevant to infidelity, domestic concerns, divorce situations, and surveillance. It is designed for individuals who need clarity before making personal, legal, or family decisions.

Before hiring any investigator, ask for proof of current Tennessee licensing, confirm what methods they use, and make sure you understand the cost structure before surveillance begins.

Who Should Read This?

This guide is for Nashville-area residents who:

• Suspect a spouse or partner may be cheating
• Need discreet surveillance before making a major decision
• Are preparing for a divorce or family law conversation
• Want documentation instead of assumptions
• Need a licensed Tennessee investigator for a sensitive domestic matter

Quick Comparison

Private Investigator	Best Fit	Notable Services
The Dillon Agency	Featured choice for infidelity and family law-related investigations	Infidelity investigations, surveillance, digital forensics, background checks
Country Investigations	Domestic surveillance and child custody concerns	Infidelity, surveillance, divorce, child custody
StillWatch Investigations	Clients seeking a female-led investigative team	Infidelity, custody, surveillance, missing persons
Larkins Investigations	Broad private investigation needs in Nashville	Surveillance, infidelity, child custody, background checks
Gene Phillips Inc.	Experience-driven surveillance cases	Cheating spouse surveillance, legal investigations
Birds Eye Investigations and Process Serving	Middle Tennessee domestic and legal support	Infidelity concerns, process serving, general investigations
Sound Mind Investigations	Regional investigation support	Infidelity, surveillance, process serving, child custody

How We Chose

We looked for Nashville and Middle Tennessee private investigation firms that publicly provide services relevant to infidelity investigations. Priority was given to firms that clearly describe domestic surveillance, cheating spouse investigations, divorce-related support, child custody investigations, evidence gathering, and local service availability.

Because infidelity investigations are sensitive, we also considered whether each firm appears to communicate discretion, documentation, and legal process clearly. Readers should still verify licensing, availability, fees, and case approach directly before hiring.

The Dillon Agency

Website:
https://www.thedillonagency.com/

WhirLocal Profile:
https://whirlocal.io/company/the-dillon-agency-trustworthy-experienced-licensed-private-investigation-firm/

Overview

The Dillon Agency is the featured choice for readers looking for a Nashville private investigator focused on infidelity, surveillance, and family law-related concerns. The firm publicly describes services for infidelity investigations, background checks, surveillance, digital forensics, and evidence collection.

For someone who suspects a spouse or partner is being unfaithful, The Dillon Agency is a strong fit because its public materials speak directly to cheating spouse concerns and the need for clear documentation.

At a Glance

• Based in the Nashville area
• Publicly lists infidelity investigations
• Offers surveillance-related services
• Publicly references digital forensics
• Relevant for divorce and family law-related concerns
• WhirLocal featured business

Why They Were Selected

The Dillon Agency earned the featured placement because its public service information closely matches the intent of this guide. Readers looking for help with suspected infidelity often need discretion, documentation, and a clear plan. The Dillon Agency’s public positioning aligns well with those needs.

Best Fit For

The Dillon Agency is best suited for Nashville-area individuals who want a focused infidelity investigation, surveillance support, or evidence gathering before making a personal or legal decision.

Questions To Ask

• Are you currently licensed in Tennessee?
• What surveillance methods are legal and appropriate for my situation?
• Can your findings be documented for an attorney if needed?
• What is the minimum retainer or hourly rate?
• How will updates and evidence be delivered?

Country Investigations

Website:
https://countryinvestigations.com/

Overview

Country Investigations is a Nashville-area private investigation firm that publicly lists unfaithfulness, child custody, divorce, and surveillance among its services. The firm also displays a Tennessee PI agency license number on its website.

For readers dealing with a suspected affair that may overlap with separation, custody, or divorce planning, Country Investigations is a relevant option to consider.

At a Glance

• Serves Nashville and nearby communities
• Publicly lists unfaithfulness investigations
• Publicly lists child custody and divorce-related services
• Publicly displays Tennessee PI agency license information
• Offers consultation by phone

Why They Were Selected

Country Investigations was selected because its public service pages align closely with domestic investigation needs, especially cases involving infidelity, custody, and surveillance.

Best Fit For

Country Investigations may be a good fit for readers who want a domestic investigation firm with publicly stated experience in surveillance and family-related concerns.

Questions To Ask

• What type of documentation is included after surveillance?
• Do you handle cases in my specific Nashville-area community?
• How many hours do you typically recommend for an infidelity case?
• Will one investigator or multiple investigators be assigned?

StillWatch Investigations

Website:
https://stillwatchpi.com/

Overview

StillWatch Investigations is a female-led private investigation firm serving the Nashville area. The firm publicly lists infidelity investigations, child custody cases, missing persons, background checks, and surveillance services.

StillWatch may be especially appealing to readers who prefer working with a female-led team or who want support in a sensitive domestic situation.

At a Glance

• Female-led investigative team
• Publicly lists infidelity investigations
• Offers surveillance and custody-related services
• Serves the Nashville area
• BBB profile lists accreditation information

Why They Were Selected

StillWatch was selected because it has a clear local presence and publicly communicates services that match infidelity and domestic investigation needs.

Best Fit For

StillWatch may be a good fit for individuals who want a Nashville-area investigator with a domestic case focus and a female-led team.

Questions To Ask

• Who will be assigned to my case?
• How do you handle confidentiality for domestic cases?
• Do you provide photo, video, or written reports?
• What areas around Nashville do you cover most often?

Larkins Investigations

Website:
https://www.larkinsinvestigations.com/

Overview

Larkins Investigations is a Nashville private investigation firm that publicly presents itself as a professional, results-driven investigation company. Its service information includes areas relevant to surveillance, child custody, and private investigation support.

For readers who want a Nashville-based firm with a broad investigative scope, Larkins is worth considering.

At a Glance

• Nashville-based private investigation firm
• Publicly lists investigative services
• Relevant for surveillance and child custody concerns
• Offers consultation by phone
• Suitable for broader investigation needs

Why They Were Selected

Larkins Investigations was selected because it has a clear Nashville presence and offers services relevant to readers who may need domestic or surveillance-related investigation support.

Best Fit For

Larkins may be a good fit for readers who want a Nashville-based investigator and are comparing options for surveillance, custody, or broader private investigation needs.

Questions To Ask

• Do you handle infidelity-specific surveillance cases?
• What evidence can legally be collected in Tennessee?
• How do you structure surveillance time?
• Can your reports be used by an attorney?

Gene Phillips Inc.

Website:
https://genephillipsinc.com/

Overview

Gene Phillips Inc. provides private investigation services in Nashville and throughout Tennessee. Its Nashville service page publicly references cheating spouse cases and around-the-clock surveillance.

This firm may appeal to readers who want an experience-driven investigator for surveillance-heavy cases.

At a Glance

• Serves Nashville and Tennessee
• Publicly references cheating spouse surveillance
• Offers private investigation services for legal and personal matters
• Relevant for surveillance-driven cases
• Longstanding investigator presence publicly indicated

Why They Were Selected

Gene Phillips Inc. was selected because its public Nashville service information directly references cheating spouse investigations and surveillance support.

Best Fit For

Gene Phillips Inc. may be a fit for readers who expect their case to require significant surveillance or who want an investigator with broad Tennessee coverage.

Questions To Ask

• What is your current hourly rate?
• How do you determine the number of surveillance hours needed?
• What type of final report do clients receive?
• Do you work directly with divorce attorneys?

Birds Eye Investigations and Process Serving

Website:
https://www.birdseyeinvestigationsandprocessserving.com/

Overview

Birds Eye Investigations and Process Serving serves Middle Tennessee and publicly lists general investigative work that includes infidelity and domestic concerns. The firm also offers process serving, which may be useful when a domestic matter becomes part of a legal process.

For readers whose situation may involve both fact-finding and legal paperwork, Birds Eye is a practical option to compare.

At a Glance

• Serves Middle Tennessee
• Publicly lists infidelity and domestic concerns
• Offers process serving
• Relevant for personal and legal matters
• Focuses on evidence-backed results

Why They Were Selected

Birds Eye was selected because its services connect domestic investigations with practical legal support, which may be useful in divorce or custody-related situations.

Best Fit For

Birds Eye may be a good fit for readers who need both private investigation support and process serving in Middle Tennessee.

Questions To Ask

• Do you handle infidelity surveillance directly?
• What counties do you serve most often?
• Can you assist if the case later involves legal documents?
• What is your minimum retainer?

Sound Mind Investigations

Website:
https://soundmindinvestigations.com/

Overview

Sound Mind Investigations serves Tennessee and Alabama, with a Nashville location page that publicly lists private investigation services including surveillance, infidelity investigations, process serving, and child custody cases.

For readers who want a regional firm with multiple investigation categories, Sound Mind is another option to consider.

At a Glance

• Serves Nashville and regional markets
• Publicly lists infidelity investigations
• Publicly lists surveillance and process serving
• Offers child custody investigation services
• Displays Tennessee license information on its locations page

Why They Were Selected

Sound Mind Investigations was selected because it publicly identifies Nashville private investigation services and lists several categories relevant to domestic and infidelity-related cases.

Best Fit For

Sound Mind may be a fit for readers who want a regional investigation firm that can handle infidelity, surveillance, process serving, or child custody-related needs.

Questions To Ask

• Is my case handled by a Nashville-based investigator?
• What is your Tennessee license status?
• How do you document surveillance findings?
• Do you offer flat-rate or hourly pricing?

Local Buyer’s Guide: Hiring an Infidelity Investigator in Nashville

Hiring a private investigator for infidelity concerns is not like hiring a general service provider. You are dealing with a private, emotional, and potentially legal situation. The right investigator should help you understand what can be verified legally, what evidence is realistic, and what steps make sense before you spend money on surveillance.

Verify Tennessee Licensing

Private investigators in Tennessee are regulated. Before hiring anyone, ask for their current license information and verify it through the appropriate state resources.

Ask About Legal Boundaries

A professional investigator should be clear about what they can and cannot do. Be cautious of anyone who promises access to private texts, passwords, bank accounts, or phone records without lawful authorization.

Understand Surveillance Costs

Infidelity investigations often require multiple hours of surveillance. Ask whether the firm charges hourly, requires a retainer, bills for travel time, or uses multiple investigators.

Think About Nashville Geography

Nashville-area cases may involve more than one community. A spouse may live in Davidson County, work in Brentwood, meet someone in Franklin, or spend weekends in Hendersonville, Murfreesboro, or Mt. Juliet. Ask whether the investigator is comfortable working across the areas relevant to your situation.

Decide What You Need the Evidence For

Some people simply want peace of mind. Others need documentation before speaking with a divorce attorney. Tell the investigator your goal so they can explain what kind of report, photos, video, or timeline may be appropriate.

Protect Your Own Safety

Do not follow your partner yourself. Do not confront someone based on suspicion. Do not attempt to access private devices or accounts. A licensed investigator can explain lawful ways to gather information while reducing personal risk.

FAQ

Is it legal to hire a private investigator for infidelity in Nashville?

Yes, individuals can hire private investigators for lawful surveillance and fact-gathering. The investigator should be properly licensed and should explain what methods are legal in Tennessee.

How much does an infidelity investigation cost?

Costs vary by firm, location, number of surveillance hours, travel requirements, and case complexity. Ask for a written explanation of hourly rates, retainers, mileage, and reporting fees before starting.

Can a private investigator prove someone is cheating?

A private investigator can document observable facts, such as where someone went, who they met, and what happened in public view. They cannot guarantee a specific outcome.

Can investigation evidence be used in divorce?

In some situations, documentation from a licensed investigator may be useful to an attorney. Ask the investigator how reports are prepared and speak with a family law attorney about how evidence may apply to your case.

Should I tell the investigator everything I know?

Yes, but stick to facts. Useful information may include work schedules, vehicle descriptions, known routines, social habits, travel patterns, and any safety concerns.

What should I avoid doing before hiring a PI?

Avoid illegal tracking, guessing passwords, secretly accessing private accounts, or confronting your spouse based on suspicion. These actions can create legal and safety problems.

Conclusion

The best private investigator for an infidelity case is not always the biggest firm or the most aggressive advertiser. The right choice is a licensed, discreet, and practical professional who can explain the process clearly and gather information legally.

For Nashville-area readers, The Dillon Agency stands out as the featured choice because its public services closely match infidelity, surveillance, family law, and evidence-gathering needs. Country Investigations, StillWatch Investigations, Larkins Investigations, Gene Phillips Inc., Birds Eye Investigations and Process Serving, and Sound Mind Investigations are also worth comparing before making a decision.