A private investigation firm serving Miami-Dade, Broward, Palm Beach, Monroe, Martin, and St. Lucie counties since 1994.
Memberships & Affiliations
With over 30 years of combined investigative experience, McKinnon Investigative Group Inc. provides specialized intelligence across the entire South Florida region. From the high-stakes corporate environment of Miami to the complex litigation needs in Palm Beach, our agency has been the trusted investigative partner for South Florida attorneys, businesses, and private individuals since 1994.
As a results-driven agency, we utilize state-of-the-art equipment to provide accurate, court-ready reports while maintaining the highest ethical standards. Whether you require undercover surveillance, deep-dive asset searches, or witness locates, our team delivers the “boots on the ground” intel you need to win.
At McKinnon Investigative Group Inc., we offer a full range of professional investigative services tailored to legal, corporate, and private clients. Operating exclusively across South Florida, we bring over 30 years of combined field experience to every case.
Whether your investigation requires seamless coordination across our six-county service area or highly targeted, city-specific surveillance, our licensed investigators handle sensitive matters with precision, discretion, and court-ready results you can trust.
Each operation is customized to meet your specific evidentiary needs and conducted with absolute confidentiality.
Discreet surveillance and documentation to uncover signs of marital infidelity or relationship betrayal.
Evidence-based investigations to support child custody decisions by assessing parental conduct and home environments.
Protect your business from internal threats or fraud with confidential investigations tailored to corporate needs.
Reveal online behavior, deleted content, and red flags using expert social media analysis for legal or personal matters.
In-depth screening and verification of individuals or businesses, including history, criminal records, and affiliations.
Investigative insight before entering partnerships, mergers, or investments to ensure informed, secure decisions.
Sensitive investigations into personal or family matters, including infidelity, abuse, or hidden behavior.
Support claim validation and detect fraudulent activity with documented surveillance and reliable evidence.
Contact McKinnon Investigative Group Inc for a free, fully confidential consultation. We’ll listen to your concerns, answer your questions, and guide you toward the best next step.
We have successfully executed over 2,000 investigations across the South Florida region.
Our licensed investigators specialize in high-stakes matters including infidelity, complex custody disputes, corporate fraud, and deep-dive background checks, providing court-ready evidence and absolute confidentiality every step of the way.
We operate with all necessary state and federal licensing, and carry professional liability insurance — so you know you’re working with a credible, compliant agency.
Deep expertise across South Florida communities, paired with extensive experience navigating multi-county court logistics, ensures discreet, professional, and court-ready litigation support.
No two cases are the same. We listen carefully, assess your needs, and develop a strategy that fits your goals and budget.
Our team brings an elite level of training and insight to complex investigations.
We deliver top-tier protective services for executives and high-profile individuals, based in South Florida and accommodating clients globally.
Our Executive Protection Service is tailored to meet specific security needs, prioritizing client safety and risk minimization in today’s business landscape.
Feel confident that you are hiring highly experienced professionals for your investigation.
We will show up at the scheduled time and complete the investigation in a prompt and efficient manner.
Our highly experienced investigators will provide you with optimal results.
Years of combined experience in the professional investigative field
Successful investigations completed across a wide range of cases
Countries Where We Have Conducted Investigations
The firm was built on a simple principle: every case gets the same level of attention and discretion regardless of size or budget. Thirty years and more than 2,000 cases later that principle has not changed.
A private investigator (also known as a private detective) gathers evidence and conducts surveillance for legal, corporate, or personal matters. At McKinnon Investigative Group Inc., we help clients uncover the truth discreetly and legally.
Yes, absolutely. We are fully licensed and insured under Florida law and operate within all legal boundaries to protect your rights and your privacy.
There is no difference. Both terms refer to licensed professionals who conduct investigations. “Private investigator” is the more modern term, but many still use “private detective.”
Costs vary depending on the type and scope of the investigation. We offer flexible pricing and provide a free, confidential consultation to help you understand your options.
Yes. Every case is handled with the highest level of confidentiality and professionalism. We never disclose our clients’ identity or details without permission.
Yes. All our investigative methods are court-admissible and documented in detailed reports with supporting media when needed.
Our agency provides comprehensive investigative coverage across six major Florida counties: Miami-Dade, Broward, Palm Beach, Monroe, Martin, and St. Lucie.
Practical investigative knowledge for individuals, attorneys and businesses navigating complex personal, legal and corporate matters.
Headquartered in Fort Lauderdale, we provide private investigation services across South Florida, the Treasure Coast, and the Florida Keys, including:
