The Top 15 Private Investigators in Singapore
When push comes to shove, a difficult situation calls for a private investigator to take the wheel. There are several top agencies in Singapore that offer investigation services that fit your needs.
To give you a jumpstart, we narrowed down the best private investigators in the country that offer excellent services, great customer service, and quick turnaround times.
How much does a private investigator in Singapore cost?
Private detectives charge varying rates, taking the scope of work and hours of service into consideration.
For general surveillance, most private investigators charge an hourly rate that ranges from $100 to $300, depending on their experience.
If the type of work requires more hours or days, other private investigation firms will charge a lump sum for their services, ranging from $1,000 to $6,000.
According to our research, the average cost of a 30-hour case is somewhere between $2,000 and $4,000.
Here is a breakdown of the estimated costs of hiring a private investigator in Singapore:
Top-Rated Private Investigators in Singapore
We assessed the private investigators based on the following criteria:
Best Private Investigators in Singapore
The best private investigators can do more than just background checks. Here are our top investigative agencies that you can contact for surveillance, security, and more.
1. SK Investigation
International investigators
| Title | Info |
|---|---|
| ADDRESS | 511 Guillemard Road #01-31 Grandlink Square, Singapore 399849 |
| WEBSITE | http://www.sk.com.sg/ |
| CONTACT DETAILS | +6564404683 |
| OPERATING HOURS | Open 24/7 |
Total Scores
SK Investigation is considered one of the longest-operating investigation firms on the island, offering a wide range of investigation services.
Its private investigators have travelled to almost every South and Southeast Asian country, including Malaysia, Philippines, Indonesia, Thailand, Indonesia, Vietnam, Taiwan, China, South Korea, and Japan.
For each proposal, there will be an estimated quotation too, so you can see if your budget fits.
However, the agency’s customer service needs to improve its relations and response rate management.
Despite that, if you’re on a tight budget but still want excellent services from a detective agency, SK Investigation may be the perfect option.
Pros
- Suitable for international investigations
- Reasonable fees
Cons
- Customer service needs improvement
- Slow response rate
2. International Investigators
International investigators
| Title | Info |
|---|---|
| ADDRESS | 60 Albert St, #08-06 OG Albert, Singapore 189969 |
| WEBSITE | http://www.intlpi.com/ |
| CONTACT DETAILS | +6563376608, [email protected] |
| OPERATING HOURS | Monday to Friday, 10:00 am to 6:00 pm |
Total Scores
Whether for local or foreign cases, International Investigators can plan and execute a scheme for your case. It ended up on our list because of two reasons.
First, it’s a private investigation firm that specialises in matrimonial and commercial cases. Unfortunately, this also means it doesn’t have the wide range of services that other firms have.
Second, International Investigators knows how to prioritise the emotional state of its customers, as it mostly works with private individuals. You will receive not only technical and legal support but also counselling.
Just note that International Investigators are strictly by appointment only. You can do so by contacting its hotlines for scheduled time slots.
Overall, this investigating agency has the expertise and dedication to help every client deal with a spousal or business problem.
Pros
- Offers counselling services
- Excellent customer service
Cons
- High focus on matrimonial cases
- Strictly no walk-ins
3. Detective Don PI Pte Ltd
International investigators
| Title | Info |
|---|---|
| ADDRESS | 111 MacPherson Rd, 111, Singapore 348502 |
| WEBSITE | https://detectivedonpi.com/ |
| CONTACT DETAILS | +65 88100981 |
| OPERATING HOURS | 24/7 |
Total Scores
Detective Don PI is a great overall choice for those who want private investigations into commercial and matrimonial cases. It’s one of the oldest industry leaders and one of the top PI agencies in Singapore.
We love the overall quality of its work, range of services, and resources which allow it to effectively complete its cases with ease. It’s also worth noting that it provides its services worldwide.
Not only is it run by Ex-Police officers but they also work closely with lawyers, other agencies, and a reputable network of informants. This makes us feel confident that they can complete its services with the standards and confidentiality.
Pros
- Comprehensive services
- 24/7 support
- Great value
- Works with government agencies
Cons
- No fixed rates
4. AK Global Investigation
International investigators
| Title | Info |
|---|---|
| ADDRESS | 5001, #07-52 Beach Rd, Golden Mile Complex, Singapore 199588 |
| WEBSITE | http://www.investigation-akg.com/ |
| CONTACT DETAILS | +6562227227, [email protected] |
| OPERATING HOURS | Open 24/7 |
Total Scores
AK Global Investigation has been helping local and international businesses and government agencies for more than a decade, making it one of the best private investigators in Singapore.
When it comes to costs, the detective agency leans toward the pricier side. However, because of the quality of its work and its wide range of services and resources, we think AK Global is worth the cost.
AK Global Investigation also specialises in cyber forensics. It can obtain digital evidence like email traces and browsing history.
The firm works closely with experienced lawyers, government agencies, and reputable law firms on the island. Its large network ensures that services are done with the highest standards and confidentiality.
Unfortunately, there are no refund policies in place here.
Pros
- Specialises in cyber forensics
- Works with government agencies
Cons
- Pricey services
- No refund policy
5. Kokusai
Matrimonial investigations
| Title | Info |
|---|---|
| ADDRESS | 111 North Bridge Rd, #08-15, 08-18 Peninsula Plaza, Singapore 179098 |
| WEBSITE | https://catchcheatingspouse.sg/ |
| CONTACT DETAILS | +6598885545 |
| OPERATING HOURS | Open 24/7 |
Total Scores
Kokusai has been helping individuals get answers and closure by catching cheating spouses through its private investigation services.
With a high focus on matrimonial investigations, Kokusai goes the extra mile to help families rebuild their relationships. We love that the firm’s private detectives offer counselling services for this specific reason.
While the investigating agency has been around since 1984, unfortunately, the team is relatively smaller compared to other established firms.
Services are also quite pricey, but the attention and work quality make up for the costs.
Pros
- Suitable for matrimonial investigations
- Provides in-house counselling
Cons
- Small team
- Pricey services
6. Asia Top Investigation LLP
Matrimonial investigation
| Title | Info |
|---|---|
| ADDRESS | 31 Rochester Dr, Suite 1, Level 24, Singapore 138637 |
| WEBSITE | http://www.asiatopinvestigation.com/ |
| CONTACT DETAILS | +6588200007 |
| OPERATING HOURS | Open 24/7 |
Total Scores
Asia Top Investigation is a prominent private investigation firm that’s been featured on numerous news channels and publications like NBC, FOX, CBS, The Strait Times, and The Times—which says a lot about the quality of its services.
Some of the cases handled by its private investigators include commercial investigation, general surveillance, matrimonial investigation, digital forensics, and anti-spy smartphone detection, among others.
Asia Top Investigation’s private investigators are trained in gathering important information through any means possible, including technology. This means last-minute requests are often not accepted.
When it comes to costs, unfortunately, the agency’s services don’t come cheap.
Pros
- Over 45 years of business experience
- Large team of investigators
Cons
- No part-time private investigators
- Doesn’t accept last minute requests
7. CDIC Consultants
International investigators
| Title | Info |
|---|---|
| ADDRESS | 164 Bukit Merah Central, Singapore 150164 |
| WEBSITE | http://www.cdic.com.sg/ |
| CONTACT DETAILS | +6563772723 |
| OPERATING HOURS | Open 24/7 |
Total Scores
CDIC Consultants offers individuals and corporations highly specialised investigation services such as cyber forensics, litigation support, and matrimonial property investigation.
A leading detective agency in Singapore, CDIC Consultants is widely recognised by international associations for its quality of work. Thus, the firm’s investigation services are unsurprisingly expensive.
If you want to enquire about the firm’s private detectives, note that doing so comes with a cost. Sadly, there are no free quotations.
Pros
- Highly specialised services
- Internationally recognised
Cons
- No free quotation
- Pricey services
8. Privateye Investigation and Consultancy
Matrimonial investigations
| Title | Info |
|---|---|
| ADDRESS | Paya Lebar Square, Office Lobby 2, #12-41, 60 Paya Lebar Rd, Singapore 409051 |
| WEBSITE | https://www.privateye.com.sg/ |
| CONTACT DETAILS | +6590465299 |
| OPERATING HOURS | Open 24/7 |
Total Scores
Privateye Investigation & Consultancy is a private consultancy and investigation firm with a large scope of services such as commercial investigation, key personnel background checks, and compensation claims investigation.
The detective agency has an elite team of private detectives on its roster. They’ve handled hundreds of commercial and criminal cases of all degrees, especially emergency cases.
It’s good that the agency is open 24 hours a day, from Monday to Sunday. However, its response may be slow.
Moreover, online appointments are currently unavailable, which could be troublesome for clients who can’t personally visit its office.
Nonetheless, we commend Privateye for its great customer service. They may have long waiting times, but the staff members accommodate their clients well and make sure to consider their cases with great empathy.
Pros
- Suitable for emergency situations
- Great customer service
Cons
- Online appointment unavailable
- Slow response rate
9. DP Quest Investigation Consultancy
Matrimonial investigators
| Title | Info |
|---|---|
| ADDRESS | 261 Waterloo Street #02-17, Waterloo Centre, Singapore 180261 |
| WEBSITE | http://www.dpquest.com/ |
| CONTACT DETAILS | +6563333315, [email protected] |
| OPERATING HOURS | Open 24/7 |
Total Scores
DP Quest Investigation Consultancy is a local private investigating agency that provides mainly matrimonial investigation services on top of surveillance and cyber forensics.
While reliable, the service range may seem limited for a few clients. However, if you do find what you need among its offerings, you’ll be pleased to know that it has quick turnaround times.
Plus, its team of Singapore-licensed private investigators have a background in law enforcement, and clients can choose to work with either a female or male detective.
DP Quest Investigation Consultancy is the perfect option for you if you can only afford a budget-friendly and short investigation service. If you don’t mind the relatively slow response rates, we think working with this detective agency is worth the time.
Pros
- Lets you choose a female or male private detective
- Affordable services
Cons
- Could improve on range of services
- Slow response rate
10. ACE Private Investigations
Matrimonial investigations
| Title | Info |
|---|---|
| ADDRESS | 390 Victoria Street #03-17 Golden Landmark Shopping Centre, Singapore 188061 |
| WEBSITE | http://www.acepi.com.sg/ |
| CONTACT DETAILS | +6588177218, [email protected] |
| OPERATING HOURS | Open 24/7 |
Total Scores
With a high focus on matrimonial and family investigation services, ACE Private Investigations is a trusted detective agency in Singapore.
Clients can expect all-around efficiency and quick turnaround times with a team of private detectives working with divorce lawyers.
Since the investigating agency works primarily on matrimonial and commercial investigations, some clients may find its services quite lacking.
Unless you’re looking for a professional who can catch cheating spouses or handle child custody cases, ACE Private Investigations may not be the option for you.
We also have to warn you to pack some patience, as its response tends to be slow.
Pros
- High focus on matrimonial and family services
- Works with divorce lawyers
Cons
- Could improve on range of services
- Slow response rate
11. Ranger Investigations and Security Services
Matrimonial investigation
| Title | Info |
|---|---|
| ADDRESS | 808 French Rd, #07-183 Kitchener Complex, Singapore 200808 |
| WEBSITE | https://ranger-security.com.sg/ |
| CONTACT DETAILS | +6596988142, [email protected] |
| OPERATING HOURS | Open 24/7 |
Total Scores
Ranger Security takes pride in its effective investigation methods which use both traditional and modern investigation techniques.
Its private investigation services include general surveillance, matrimonial cases, commercial cases, locating missing persons, asset tracing, mobile phone data recovery, and employment surveillance.
Ranger Security offers free initial consultations for potential clients seeking help in these areas.
While rates are steep, paying a premium for quality security and investigation services is worth the cost.
If you have a matrimonial case, Ranger Security is a good agency to work with. For other cases, we recommend other agencies on this list.
Pros
- Free consultation available
- Excellent security services
Cons
- Mainly for matrimonial cases
- Pricey services
12. Detective Don PI
Matrimonial investigation
| Title | Info |
|---|---|
| ADDRESS | 111 MacPherson Rd, 111, Singapore 348502 |
| WEBSITE | http://detectivedonpi.com/ |
| CONTACT DETAILS | +6588100981, [email protected] |
| OPERATING HOURS | Open 24/7 |
Total Scores
If you find it difficult to get answers from a cheating spouse, let Detective Don PI help you get the closure you deserve. Equipped with a fully trained team of private detectives, the firm’s investigation processes are efficient, discreet, and speedy.
Clients get the advantage of being heard for any complaint they may have. With a specialisation in matrimonial and undercover cases, Detective Don will formulate a plan through its comprehensive intelligence.
However, if you’re looking for security or investigation services beyond matrimonial cases, you might be better off with another firm.
We also have to warn you that Detective Don’s service can be pricey, but working with them offers good value for money so long as it’s necessary for your situation.
Pros
- Good value for money
- Personable and efficient process
Cons
- Mainly for matrimonial and undercover cases
- Pricey services
13. Acestes
Matrimonial investigation
| Title | Info |
|---|---|
| ADDRESS | 47 Kallang Pudding Rd, #08-12, Singapore 349318 |
| WEBSITE | http://acestes.sg/ |
| CONTACT DETAILS | +6565381254, [email protected] |
| OPERATING HOURS | Monday to Friday, 9:00 am to 6:00 pm
Saturday, 9:00 am to 1:00 pm |
Total Scores
Acestes may have a young reputation in the industry, but its services are pretty well-known among locals and foreign clients.
With great security coverage and investigation services, we commend the detective agency for earning several accreditations from Business For Good and bizSAFE Star within a short time.
Working with them gives you access to their excellent network of trained professionals. With clients like Formula One, you can trust that Acestes delivers.
Unlike most private investigators in Singapore, however, Acestes is not open 24/7. This is unfortunate if you have an urgent case that falls outside of its opening hours.
Pros
- Great security services
- Excellent network
Cons
- Not open 24/7
- Relatively young firm in the industry
14. Baker Street Private Investigator
Matrimonial investigation
| Title | Info |
|---|---|
| ADDRESS | 1 North Bridge Rd, High Street Centre, Singapore 179094 |
| WEBSITE | https://bspi.sg/ |
| CONTACT DETAILS | +6569639339, [email protected] |
| OPERATING HOURS | Open 24/7 |
Total Scores
With a name that’s an ode to Sherlock Holmes, Baker Street Private Investigator is a detective agency in Singapore that offers local clients with one of the best fraud detection and matrimonial investigation services.
The private detectives at Baker Street are well-versed in handling individual and corporation cases. If there’s a person or company you want to investigate, the team’s surveillance services are top-notch.
You can also take advantage of the firm’s strong network of professionals to help expedite the investigation process.
While some clients may find their services pretty lacking, the high focus on matrimonial and fraud cases speaks volumes about their expertise.
One thing to note, however, is that the firm’s online presence isn’t as evident as other agencies. You’ll have to contact them by phone or email to learn more about what they can do for you.
Pros
- Best for fraud detection and commercial cases
- Strong network of professionals
Cons
- Could improve on the range of services
- Little online exposure
15. Pedro Investigation and Security Services
International investigators
| Title | Info |
|---|---|
| ADDRESS | #05-38 Jln Sultan, Sultan Plaza, Singapore 199001 |
| WEBSITE | http://pedrosecurity.com/ |
| CONTACT DETAILS | +6563385761, [email protected] |
| OPERATING HOURS | Monday to Friday, 9:00 am to 6:00 pm
Saturday, 9:00 am to 1:00 pm |
Total Scores
Pedro Investigation and Security Services provides individuals and corporations with tailor-made solutions. In operation since 1994, the detectives and security personnel here are fully equipped and trained to find solutions to your situation.
The agency conducts surveillance, access control, matrimonial enquiries, and missing person searches. Clients can also enjoy free on-site security surveys to help determine the best package based on their budget.
One thing to note is that the agency is not open 24/7, which could be a letdown for some clients in emergency situations.
Rate transparency could also be improved, as quotations are not always clear.
Pros
- Offers free on-site security survey
- In operation since 1994
Cons
- Not open 24/7
- Could improve on rate transparency
FAQS about Private Investigators
More Legal Resources
You may be hiring a private investigator for a legal case. If you’re also looking for reliable lawyers for your case, here are some we can recommend: