WHO WE ARE
Integrated Security Solutions LLC (ISS) is an international security consulting and technology firm with operations in twelve countries. Founded in 2010 by President and Founder Mr. Leo Powell, a Former Senior Adviser and Chief of Security with the United Nations, ISS was built on the premise of a 360-degree approach to the comprehensive delivery of security products and services to the global marketplace.
What began as a specialist consultancy has grown into a technological leader in the global security, safety, and infrastructure development industry. ISS provides a unique network of industry-leading, certified products, solutions, and services, each recognized as groundbreaking within its specific domain. The company integrates a wide range of solutions, tailoring every engagement to each client's precise needs and desired outcomes. Our clientele spans international organizations and national government entities, large corporations, and private foundations; and the firm is now part of the wider Powell Enterprises group of companies.
WHAT WE DO
ISS Headquaters
ISS delivers end-to-end solutions across government, business, and residential sectors. Our methodology is built on three principles: Define the scope of the project based on the client's expressed needs; Design the optimal solution based on the agreed scope of work; and Deliver that solution in a timely and professional manner, with full installation, training, commissioning, and three-tier 24/7 support.
Our government solutions suite — the ISS Govco Suite — provides national and local governments with a comprehensive menu of solutions for law enforcement and public safety. Core capabilities include: Access Control and Video Surveillance; Automated License Plate Recognition (ALPR); Unified and Integrated Security platforms with real-time dashboards and dynamic mapping; Responsive Video Analytics with forensic search and real-time event detection; Safe and Smart City systems; Secure Communications with strong, highly interoperable voice and data encryption; Perimeter and Intrusion Detection; Low- and mid-altitude UAV (drone) solutions including anti-drone technology; GPS asset and vehicle tracking; Cloud-based and mobile solutions; and National Border Defense and Security Consulting. We also offer a full suite of infrastructure development projects, including a full range of Power Generation plants globally.
LEADERSHIP
ISS LLC is led by Mr. Leo Powell, whose career spans more than 40 years in national security, technological and infrastructure development, counterintelligence, counterterrorism, counternarcotics, threat and risk assessment, and high-level investigations. We specialize in Fusion Centre development and implementation initiatives. Leo’s professional journey has taken him to over 100 countries, during which he has served in roles including Strategic Planning, National Security Advisor, Chief of Security, and Senior Adviser; most notably as a Senior Adviser to the United Nations in the Middle East, Africa, and Latin America. This extraordinary depth of operational and strategic experience is the foundation upon which ISS LLC is built.
Mr. Powell is supported by a leadership team that brings a dynamic combination of strategic vision, technical expertise, and operational execution to every client engagement. ISS is guided by a core philosophy: “High-tech cannot be effective without high-touch.”
GLOBAL FOOTPRINT
ISS maintains active operations in 12 countries across North America, the Caribbean, Central America, Africa, Asia, and the Middle East. The company’s Founder has trained in over 37 countries and built a powerful arsenal of allied companies, national security professionals, technical specialists, and technology experts who collectively enable ISS LLC to fulfil the demands of any engagement — regardless of scale, geography, or complexity.
MEET THE TEAM

Leo Powell
President & Founder

Nalini Vieira
CEO

Marilyn Powell
Director of Administration

Estuardo Alvarado
Project Manager
Central America

Flora Gómez
Regional Administrator
LATAM

Beatriz Lluhí
Project Manager
LATCAR

