Sentry Investigation & Security Services

31/05/2026

Comprehensive Investigation Services by SISS Investigations

Our Commitment to Uncovering Truth

• Some questions demand answers.

• We find them.

• When the truth is hidden, we uncover it.

• When evidence is needed, we gather it.

• When answers matter most — SISS Investigations delivers.

Specialized Investigative Services

• 🕵️ Background Checks

• 👁️ Covert Surveillance

Expertise and Professional Standards

• Discreet. Professional. Reliable.

• Founded by former Sri Lankan Army Brigadier Deshabandu Suresh Perera — we bring military-grade precision to every case.

Contact and Client Assurance

• 📞 011 271 9339 / 077 3353 188 | 🌐 www.siss.lk

• You talk.

• We listen.

• Your requirement is assured.

• Right Protection, Right Time.

21/05/2026

🚨 Is Your Apartment REALLY Safe? 🚨

Cyber fraud doesn't just happen online — it's creeping into residential apartments near you. Don't wait until it's too late!

At Sentry Investigation & Security Services, our expert team doesn't just guard — we detect, investigate, and act. We've already identified and resolved real cyber fraud incidents in apartments across the area.

✅ Trained Security Professionals
✅ Real Incident Response — Proven Track Record
✅ Right Protection at the Right Time
📞 0112 719 339 / 07733 53 188

📧 [email protected]
🌐 www.siss.lk

👉 Don't leave your home vulnerable. Contact us TODAY and stay one step ahead of fraudsters.

04/05/2026

Professional Security. Trusted by Professionals.

At Sentry Investigation & Security Services, we provide well-trained, English-speaking security officers tailored for corporate and high-standard environments.

Our team ensures:
✔ Clear communication with clients & visitors
✔ Professional appearance & discipline
✔ Reliable and discreet security services
Whether it's for corporate offices, luxury residences, we deliver security you can trust.

📞 Contact us today to upgrade your security standards.

Tel - 011 2719339 / 077 3353 188
Email - [email protected]

05/10/2025

10/06/2025

"On this sacred Poson Poya Day, we wish you peace, protection, and spiritual light. 🕊️✨

May the message of Dhamma that once echoed from Mihintale continue to guide us with compassion, wisdom, and serenity.

As you light the lamps of faith today, know that Ape Sentry stands with you committed to safeguarding your homes, businesses, and loved ones every day.

🙏 Wishing you and your family a blessed and safe Poson Day!

13/04/2025

"Wishing all our valued clients and fellow Sri Lankans a peaceful, secure, and prosperous Sinhala & Tamil New Year. May this new beginning bring happiness, safety, and success to you and your loved ones.

31/03/2025

"Wishing you peace, happiness, and prosperity on this blessed day. May your Eid be filled with joy and success! investigation

14/01/2025

"Happy pongal 2025"
Wishing everyone a joyful and prosperous pongal ! May this festival bring peace happiness,and security to your lives."

31/12/2024

"Happy New Year 2025!
A heartfelt thank you to our valued clients and dedicated staff.
Wishing everyone joy, success, and togetherness in the New Year!"