Popular Cities
1 of these agencies is based in Littleton; the others serve Littleton from towns including Denver (14 mi), Aurora (17 mi) and Greenwood Village (6 mi).
5 open 24/7 · 8 open weekends · 18 rated 4.5+ · 4 show a license
Data verified October 17, 2026
The 24 agencies on this page are the private investigators listed for Littleton, CO. What each one states about its license, its specialties and the areas it covers comes from its own website; ratings and quotes come from public reviews.
20 of the 24 agencies on this page have a rating, from 4.1 to 5.0 across 999 reviews; 5 have 50 or more reviews and 18 are rated 4.5 or higher. When clients rate these agencies on specific qualities, they most often praise professionalism (97%), responsiveness (82%) and quality (76%). 5 are open around the clock; 8 are open on Saturdays and 6 on Sundays. 4 show a license on their websites and 6 have a BBB rating of A or A+. Domain records put 14 websites of the agencies on this page at ten or more years old; the oldest dates from 1995. 5 offer urgent consultations; 1 offers remote or virtual consultations; 4 offer a free initial consultation and 1 is family- or locally-owned. 1 has Spanish-speaking staff. We have a website on file for all 24 of the agencies on this page; 22 publish a contact page; 18 list a public email and 2 take bookings online. We count these figures across the agencies on this page; distances are straight-line, and hours and prices change, so confirm the details with the agency before you book.
4 of the 24 agencies state that a first consultation costs nothing. Use it to describe the problem and hear whether the work can be done lawfully at all. A straight agency will sometimes tell you on that call that what you want cannot be obtained, which saves you a retainer.
