
A private investigator supports a divorce case by collecting lawful, court-usable evidence of infidelity, hidden assets, cohabitation, or parenting concerns while you and your counsel focus on strategy. Investigation Hotline is a licensed Ontario firm serving Toronto, the GTA, and province-wide. For relationship-focused work, start with our infidelity and cheating partner investigations service.
Why do people hire a private investigator during divorce?
Divorce is stressful. Emotion clouds judgment, and self-collected “proof” from phones, trackers, or confrontations often fails legal tests or escalates conflict. A licensed investigator works discreetly with surveillance, open-source research, and documented interviews so findings can support counsel on settlements, support, or parenting. Related context appears in our guide on why people hire private investigators for infidelity and in the broader Ontario hiring guide.
Many clients wait until negotiations stall. Earlier documentation often costs less than rebuilding a timeline after months of speculation. The investigator is not a substitute for a family lawyer; the value is factual clarity your lawyer can use.
How does Ontario family law shape what investigators document?
Ontario family files turn on disclosure, credibility, and the child’s best interests where parenting is at issue. Official guidance on family court processes is available from the Government of Ontario family law pages. Investigators do not give legal advice. They gather facts that counsel may use when arguing support, equalization, or parenting arrangements. Misconduct evidence can still matter to settlement leverage even when a “no-fault” divorce framework applies, because finances, honesty, and household reality drive outcomes.
What can a PI document in an Ontario divorce matter?
Infidelity and cohabitation evidence
Where misconduct or a new household affects negotiations, investigators document patterns: meetings, overnight stays, travel, and public social activity. The goal is a clear timeline, not gossip. Cohabitation documentation can matter when support or housing claims depend on whether a new partner is sharing expenses. Suspecting an affair and preparing for proof are different steps; see suspect infidelity? Are you prepared for the proof? for what clients often overlook before fieldwork begins.
Hidden income and asset searches
Support and equalization depend on a truthful picture of income and property. Parties sometimes understate earnings, shift funds, or hide vehicles, businesses, or accounts. Asset-oriented work can include database research, lifestyle analysis, and documenting spending that does not match claimed means. For money secrecy inside relationships more broadly, read hidden debt and financial secrecy in relationships. Service coverage also sits under assets identification and enforcement.
Investigators cannot force bank disclosure. They can surface lifestyle contradictions, undeclared work patterns, and leads your lawyer may pursue through formal discovery. That combination often moves stuck negotiations faster than accusations alone.
Parenting and custody-related concerns
When children are involved, courts focus on the child’s best interests. Investigators may document neglect indicators, unsafe environments, substance-related patterns, or breaches of access terms when counsel requests factual support. That work must stay lawful and proportionate. If custody is your primary question, see should I hire a private investigator while fighting for custody?
Digital and online behaviour
Dating apps, alternate profiles, and message trails often matter in modern separations. Investigators who work digital cases look for patterns without illegal access to accounts. How cheaters use apps in real files is covered in how cheaters use dating apps. Deeper online work can involve our digital investigations team when counsel needs structured documentation.
How does divorce surveillance actually work?
Most divorce-related fieldwork is planned surveillance: knowing when and where to observe, logging times, locations, companions, and vehicles, and preserving photos or video with chain-of-custody care. A single afternoon rarely settles a dispute; patterns over days matter more. For a plain-language look at multi-day operations, see what happens during a 72-hour surveillance operation.
Intake usually covers schedules, addresses, vehicles, and what outcome counsel needs. Operators then choose observation points that stay lawful and low-profile. Reports summarize what was seen and when, with media attached for counsel review. Tracking tools and GPS must comply with Ontario law; illegal planting of devices can destroy a case and create liability.
What makes evidence usable for your lawyer?
Usable evidence is typically:
- Collected by a licensed investigator under the Private Security and Investigative Services Act framework in Ontario
- Documented with dates, times, locations, and observer notes
- Obtained without illegal entry, hacking, or harassment
- Summarized in a report counsel can review and, if needed, present
Illegally obtained material can be excluded and can harm credibility. That is why clients hire professionals instead of DIY spying. Investigation Hotline has operated in Ontario since 1988 under founder Mitchell Dubros.
When should you hire a PI for divorce, and when should you not?
Consider hiring when you need facts for counsel on fidelity, cohabitation, assets, or parenting risk, and when emotions make objective collection unrealistic. Early engagement also helps if you expect a contested hearing and want a clean timeline rather than last-minute scrambling.
Pause or avoid hiring if the only goal is revenge, if you plan to confront mid-surveillance, or if you want illegal access to phones or accounts. A good intake call clarifies scope, budget, and what success looks like for your file. Cost ranges for Toronto work are outlined in how much a private investigator costs in Toronto.
Divorce and private investigation FAQs
Is evidence from a private investigator admissible in Ontario family court?
Courts decide admissibility case by case. Lawful collection, clear documentation, and relevance improve the odds that counsel can use the material. Your lawyer should direct how findings are filed.
Can a PI prove hidden assets in a divorce?
Investigators can surface leads and lifestyle inconsistencies. Banks and courts control formal disclosure. Early documentation still helps counsel ask better questions and pursue disclosure orders.
Will my spouse know I hired an investigator?
Professional surveillance is designed to stay discreet. There is never a guarantee of zero detection, especially if someone is already highly alert. Scope and tradecraft matter.
Do I need my lawyer’s involvement before hiring?
Not always, but coordinating with counsel early usually improves scope and reporting format. If litigation is already underway, ask your lawyer how investigator findings should be packaged.
How long does a typical divorce investigation take?
It depends on the question. Infidelity pattern work may need several days of surveillance. Asset leads can take longer and may run in parallel with counsel’s disclosure requests. Your intake call should set a realistic window and budget.
Need discreet help with a divorce investigation in Ontario?
If you need lawful documentation of infidelity, cohabitation, assets, or parenting concerns during separation, Investigation Hotline can outline options with counsel in mind. Call (416) 205-9114 or use our contact page for a confidential consultation.
To learn more, contact Investigation Hotline at













