Quick answer: The security companies that stand out for high-value protection are Certis (large-scale integrated solutions), Securistate (maritime and specialised services like red teaming), Ranger (private investigations), Centurion (structured manpower), Deep Security (budget-friendly, tech-heavy), Armour (events and corporate), and YS Security (transparent, SME-focused). Each brings a different strength; the right pick depends on what you need to protect and how hands-on you want to be.
Part of Best Cleaning, Repairs & Handyman in Singapore: 21 guides covering this ground, for the wider view before you choose.
Finding a reliable security partner can feel a bit sian if you don’t know where to begin, especially when the stakes are high. But these seven names make it easier—they’ve proven themselves in very different corners of the industry, from guarding a quiet landed property to running a full-blown command centre. Some lean heavily on technology, others on old-school manpower, and a few mix both seamlessly. The common thread? They all understand that real peace of mind isn’t just a contract—it’s knowing someone has your back when it counts.
Certis
If you need a single security partner that can handle everything from guarding a data centre to sweeping your office for cyber threats, Certis is the obvious first call. They don’t just post guards at a gate; they run full-scale integrated facilities management out of a proper command centre. Their team covers manpower, CCTV systems, cybersecurity, and even the operational side of your building—so you’re dealing with one point of contact instead of three different contractors.
Their headquarters sits at 1 Eunos Road 8, Paya Lebar Green North, Level 3, but they have multiple branches across the island—you can check the full list here. Office hours are Monday to Thursday 8:30 AM–5:30 PM, Friday 8:30 AM–5:00 PM, Saturday 8:30 AM–12:30 PM. They close on Sundays and public holidays. Reach them at +65 6555 5000, or on their website.
They’ve picked up accolades like Great Place to Work® Certified and the HR Employee Experience Awards, which tells you they treat their staff decently—and happy staff tend to stay sharp. This is the kind of outfit you want if your portfolio includes commercial buildings, logistics hubs, or any operation large enough that juggling multiple vendors becomes a headache.
We keep these lists updated by hand. If you run something that fits, get in touch before the next revision.
Securistate Pte. Ltd.
Securistate is the one you call when the job is a little out of the ordinary. They’ve built a name in maritime protection—if you have a yacht or a vessel that needs watching—but their land-based services are just as tight. They do 24/7 remote monitoring, event and VIP security, wheel clamping, and even something called red teaming: where they test your own security by trying to break in. That’s the kind of thoroughness that puts your mind at ease, lah.
They also offer lie detector testing, concierge support, and domestic investigations, so it’s not all corporate. Their office is at 20 Sin Ming Lane, #05-66 Midview City, and you can call +65 6684 5650 during office hours (Monday to Friday, 9:00 AM–5:00 PM). Drop them a line via their site as well.
They’ve been stacking up awards: SG Fastest Growing Company, SME 500 Winner 2024, multiple SSIA honours, ISO certifications, Biz Safe Star, and SG Maritime Awards. That’s not just paper; it’s a sign they’ve been through enough audits to know what they’re doing. If your security needs cross into maritime territory or you just want a team that thinks like an attacker, this is your pick.
If you’re digging into the finer points of surveillance after choosing a guard service, our roundup of Premier CCTV Providers in Singapore might be your next read.
Ranger Investigation & Security Services Pte Ltd
Ranger is the go-to when you need someone to quietly gather facts. They specialise in private investigations—everything from evidence gathering to resolving internal company mysteries—alongside more typical security guard work. Their office in Kitchener Complex (808 French Road, #07-183) is open 24 hours, which is comforting if a problem blows up at 2 AM and you need advice fast. Call +65 6296 9582 or check their website.
What sets them apart is the way they blend old-fashioned legwork with modern technique, and they lean hard on integrity and sticking to the law. That matters a lot when the information you’re after could have serious consequences. If your situation requires discretion and a paper trail that holds up, start here.
Centurion Security Pte Ltd
Centurion keeps things straightforward: they supply well-trained security officers and make sure the technology behind them is up to date. From their base at Golden Mile Tower (6001 Beach Road, #18-01A), they handle everything from retail outlets to corporate lobbies. Their hours are Monday to Friday 8:00 AM–5:00 PM and Saturday 9:00 AM–12:00 PM. You can ring +65 6339 7110 or browse their site.
They won the Security Industry Transformation Awards 2019 Silver Award and are a member of the Association of Certified Security Agencies. The way they structure their guarding—proactive, not just reactive—suits anyone who wants their premises to feel properly looked after, not just patrolled. Think offices, shops, and residential estates where seeing a competent face at the entrance makes a real difference.
Deep Security Services Pte. Ltd.
Deep Security has carved out a spot for itself by being budget-friendly without skimping on the tech. They do CCTV remote monitoring, virtual guard services, and standard security manpower, all licensed by the Police Licensing & Regulatory Department. Their office at 39 Woodlands Close #08-80 MEGA@Woodlands is open 24 hours—call +65 6255 4210 or visit deepsecurity.com.sg.
This is a solid choice if you’re a smaller business or a homeowner who wants the reassurance of a monitored system but can’t justify the price tag of a large integrated firm. The virtual guard setup means cameras do a lot of the heavy lifting, and their team keeps an eye on the feeds. Simple, clean, and it covers the bases.
Armour Security & Investigations Pte Ltd
If you’re planning a big event—an outdoor concert, a corporate gala, a private party at a venue like Sentosa—Armour is who you want on the ground. They do event security, cluster guarding, and private investigations, with a clear focus on entertainment and corporate clients. Their base is at 23 Woodlands Industrial Park E1 #05-01 Admiralty Industrial Park, and they’re contactable 24/7 at +65 6777 7774 or via their website.
They hold the accreditations you’d expect, but the real measure is how they handle crowds and celebrities without making a scene. Their guards know when to step in and when to step back, which is half the battle in high-profile settings. If all this talk of protection leaves you wanting to upgrade your surroundings afterwards, we’ve also put together a list of Renovation Companies in Singapore worth a look.
We keep these lists updated by hand. If you run something that fits, get in touch before the next revision.
YS Security Services Pte Ltd
YS Security pitches itself as dynamic and transparent, and that’s exactly the sort of promise that resonates with SMEs tired of hidden costs. They blend physical manpower with technology, and they’ve picked up a string of local awards: Singapore 500 SME Commendable Performance, Singapore Preferred Brand, and Singapore Industry Icon. Their office in Proxima@Gambas (50 Gambas Crescent #08-11) is open Monday to Friday 8:30 AM–5:30 PM and Saturday 8:30 AM–1:00 PM. Give them a call at +65 9663 1753 or head to their site.
They don’t try to be everything to everyone; they focus on making their pricing clear and their service responsive. For a small office, a boutique retail chain, or a private residence where you just want the job done without fuss, this is a steady hand.
How to choose
The first thing to ask yourself is whether you need a dedicated guard on site, or if a monitored camera setup would do the job. Deep Security, for instance, leans hard into virtual guarding and remote monitoring, which can be far cheaper than full-time manpower. On the other end, Certis and Centurion put trained officers in front of your building, and you pay for that presence.
Next, think about any specialist needs. If you own a boat, operate a marina, or just want someone to test your own team’s weaknesses, Securistate’s maritime and red-teaming services are unique in this list. If there’s a sensitive internal matter—a suspected fraud or a custody dispute—Ranger’s investigation arm is where you want to start. For one-off events, Armour and Securistate both run tight event security operations, and Armour in particular knows the entertainment scene.
Budget-wise, these companies cover a wide range. A small virtual-guard setup from Deep Security will sit at one end; a full integrated facilities contract with Certis sits at the other. Always ask for a site assessment and a written breakdown of costs before signing. Look for police licensing, industry awards, and ISO certifications—these aren’t just wall decorations, they mean the outfit has passed serious audits. Operating hours matter too: if you need round-the-clock contact, look for the “open 24 hours” tag.
| Company | Key Services | Operating Hours | Notable Recognition | Contact |
|---|---|---|---|---|
| Certis | Manpower, surveillance, facilities management, cybersecurity | Mon–Fri, Sat morning | Great Place to Work®, HR Employee Experience Awards | +65 6555 5000 |
| Securistate | Maritime, remote monitoring, red teaming, lie detection, VIP | Mon–Fri 9–5 | SG Fastest Growing, SME 500 Winner 2024, SSIA, ISO, Biz Safe Star | +65 6684 5650 |
| Ranger | Private investigations, security manpower | 24/7 | Check with the business | +65 6296 9582 |
| Centurion | Security manpower with technology integration | Mon–Fri 8–5, Sat morning | Security Industry Transformation Award Silver 2019, ACSA member | +65 6339 7110 |
| Deep Security | Manpower, CCTV remote monitoring, virtual guard | 24/7 | Police Licensing & Regulatory Dept licensed | +65 6255 4210 |
| Armour Security | Event security, cluster guarding, private investigations | 24/7 | Check with the business | +65 6777 7774 |
| YS Security | Integrated manpower and technology | Mon–Fri 8:30–5:30, Sat morning | Singapore 500 SME, Singapore Preferred Brand, Industry Icon | +65 9663 1753 |
Summary
There’s no single right answer—it comes down to the asset you’re protecting and the level of oversight you want. Certis and Centurion give you boots on the ground with big-company polish; Securistate and Ranger handle the unusual assignments; Deep Security and YS Security keep things smart and cost-effective; Armour owns the event space. Look at the licensing, the past awards, and whether they’re reachable when you need them, and you’ll find the right partner.
Disclaimer: Details can change; always confirm directly with the business.
Frequently asked questions
What security services do these companies typically cover?
They range from uniformed guards and CCTV monitoring to cybersecurity, private investigations, maritime protection, and event crowd control. Many also integrate technology like virtual guarding and remote surveillance.
Are their officers licensed by the police in Singapore?
Yes. Each firm operates under the Police Licensing & Regulatory Department, so their security personnel and investigators hold the required licences and follow legal procedures.
Can I hire them for a single day or event?
Several do. Securistate, Ranger, and Armour all list event security and VIP protection among their services. You would discuss the scale and duration directly to get a quote.
What should I budget for a basic security setup?
Costs vary widely depending on whether you need physical guards, remote monitoring, or investigative work. Deep Security positions itself as the more affordable, tech-driven option, while fully integrated facilities management from Certis sits at a higher price point.
Do they work only with large corporations or will they take on a private residence?
They serve both. For example, Securistate handles domestic investigations and VIP protection, while YS Security is transparent and SME-friendly, making them suitable for landed properties and small offices.
How do I confirm if a company is reliable?
Look for industry awards, ISO certifications, and membership in bodies like the Association of Certified Security Agencies. Several on this list display those credentials publicly, and you can always request proof of licensing.
