Surveillance in Thailand — Systematic Observation in Public Places
Surveillance means observing where a person goes, whom they meet and what they do in public, and recording it as verifiable evidence. Beyond infidelity cases it supports custody disputes, employment and insurance matters, commercial disputes and checks on field staff, in Thailand and for clients abroad.
When it is used
- Family matters: a spouse's conduct, or the environment a child is being cared for in, to support a custody application
- Employment: an employee on sick leave working elsewhere, or working for a competitor during a contract
- Insurance: confirming a claimant's actual condition in public (for insurers and law firms)
- Commercial: a counterparty or former employee suspected of breaching a non-compete
- Personal: confirming what someone says they do with observable facts
How we work
We plan from the subject's routine, district and routes, and field at least one or two investigators with a vehicle per day so the subject is neither lost nor alerted. Events are recorded with time and location from public places only, and reported on the agreed schedule, in your time zone.
Legal boundaries
We observe only in public places or where there is no reasonable expectation of privacy. We do not enter homes, condominiums or closed premises, do not place GPS or recording devices on other people's property, do not intercept communications and never approach the subject. Those acts are offences in Thailand and would make all the evidence unusable.
Pricing and duration
Priced by days or hours, team size, time of day and location. Assignments are usually planned as a 3–7 day block around the subject's routine; single-day assignments for a specific date are possible. You receive a written quote before we start.
What you receive
Deliverables- Timestamped photos and video from public places
- Timeline of events, locations and people met
- Daily field notes
- A summary report your lawyer can use
- Advice on whether to continue observing
What we never do
Scope- GPS or recording devices on other people's vehicles or property
- Entering private premises or filming into a residence
- Interception of calls or messages, or phone access
- Approaching, provoking or confronting the subject
Lawful methods only, in line with Thailand's PDPA — legally protected records are available only through court process.
How it works
- 1Free consultation — WhatsApp, phone or email — no obligation
- 2Assessment & written quote — Lawful scope, timeline and price in writing
- 350 % deposit — Confirms the start date and plan
- 4Fieldwork & updates — Team deployed; updates on the schedule you choose
- 5Report delivery — Balance paid; report and evidence delivered through your chosen channel
Frequently asked questions
Will the subject notice?
The team works discreetly in public and never approaches the subject. No assignment is entirely risk-free, and we say where the risks are before we start.
How many consecutive days can you cover?
As many as the plan requires, usually a 3–7 day block adjusted to what we find. We stop as soon as the question is answered.
Do you work for insurers and law firms?
Yes, and we format reports for use in proceedings.
Outside Bangkok?
Nationwide. Travel and accommodation are itemised in the quote.
Our lawful scope
What we do
- Observe and document behaviour in public places
- Research open sources and records that are lawfully accessible
- Visit addresses, workplaces and business premises to verify them in person
- Check the consistency of documents and information you provide
- Deliver a written factual report with photos, video and a timeline
What we never do (no legitimate investigator can, lawfully)
- Obtain data from government, bank, credit-bureau or telecom databases
- Pull call logs, messages, phone location, bank statements or immigration records
- Hack, wiretap, install spyware, or place a GPS tracker on someone else's property
- Enter private premises or access another person's online accounts without consent
Some records (civil registry, land titles, bank accounts) are available only to parties with a legal interest through legal process or a court order. We are happy to coordinate with your lawyer.
Related pages
Free, confidential assessment
Tell us the situation — we assess feasibility and the lawful scope before any quote.