What Screen International Security Services does

Screen International Security Services Ltd. (S.I.S.S.) is a privately held, founder-owned security and investigations firm founded in 1993 by Avi Korein and headquartered in Beverly Hills, California, with regional offices in New York and London and strategic partnerships spanning every continent. The firm delivers intelligence-driven protection services to a narrow but high-value clientele: Fortune 500 corporations, film studios, law firms, ultra-high-net-worth individuals and families, and family home offices.

S.I.S.S. operates across two integrated service lines. Security & Logistics covers executive and personal protection, corporate and residential security, global travel security, cybersecurity and TSCM (Managed Detection & Response, endpoint security, virtual CISO, penetration testing), and maritime protection. Intelligence & Investigations covers OSINT/SOCMINT research, surveillance operations, due diligence and background checks (FCRA-compliant), Technical Surveillance Countermeasures, digital identity detection, vulnerability studies, and complex data analysis and eDiscovery integrated with the Relativity platform under GDPR-compliant cross-border workflows. Underlying technologies include AI-enhanced open-source and social media intelligence tools, facial recognition systems, and proprietary digital footprint analysis methodologies.

The business model is professional services and managed services delivered via high-touch, senior-management-led enterprise field sales, supported by referral networks. Revenue is generated through bespoke retainers and project-based engagements priced individually based on client threat profile, geographic scope, and service duration; no public pricing exists. Customer acquisition is driven by word-of-mouth and direct relationships within elite business, entertainment, and legal communities rather than by paid marketing channels. The firm is fully licensed and insured globally and employs an operations-heavy team with backgrounds in U.S. Marine Corps Force Reconnaissance, FBI, California Highway Patrol, Israeli military, and corporate security leadership.

Name

Screen International Security Services

Legal name

Screen International Security Services Ltd.

Website

https://sissltd.com

Company type

Private

Founded year

1993

Operating status

Operating

Headcount range

11–50 employees

Short description

Screen International Security Services is a privately held security and investigations firm, founded in 1993, that provides intelligence-driven executive protection, residential security, cybersecurity, OSINT, and investigation services to Fortune 500 corporations, film studios, law firms, and high-net-worth individuals across its Beverly Hills, New York, and London offices.

Ownership category

akta.pro rank

Product category

Security & Investigation Services

NAICS

Investigation, Guard, and Armored Car Services (56161), Security Systems Services (56162), Investigation and Personal Background Check Services (561611)

SIC

Services-Detective, Guard & Armored Car Services (7381)

akta.pro primary industry

High-Net-Worth Individual (HNWI) & Celebrity Protection (BPAKABAE)

akta.pro secondary industries

Executive Protection Intelligence & Threat Management (Protective Intelligence) (BPAKABAI), Video Surveillance & Security Analytics (HDAAAEAE)

Keywords

• Executive protection services
• Private investigation services
• Corporate security solutions
• Threat and risk management
• Cybersecurity and OSINT

Headquarters

HQ city

London

HQ country

United Kingdom

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Security & Protection Services: Comprehensive physical security and close protection services including executive protection, residential security, corporate security, maritime security, travel security, and event security. Revenue generated through retainer agreements and project-based engagements for high-profile and high-net-worth clients.
2. Investigative & Intelligence Services: Licensed investigative services including OSINT/SOCMINT research, surveillance operations, due diligence investigations, threat assessment, TSCM sweeps, digital forensics, crisis management, and litigation support. Billed as professional services engagements.
3. Cybersecurity Services: Managed cybersecurity services including MDR, endpoint security, penetration testing, vulnerability assessment, virtual CISO services, and ongoing security program management.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Screen International Security Services (S.I.S.S.) provides intelligence-driven protective services combining physical security (executive protection, corporate and residential security, global travel security, maritime protection) with managed cybersecurity and digital intelligence/investigation services (OSINT/SOCMINT, surveillance, due diligence, TSCM, facial recognition, digital identity detection, complex data analysis and eDiscovery). The firm delivers these through custom retainer and project engagements for corporations, HNW individuals, family offices, law firms, and entertainment clients worldwide.

Product overview

S.I.S.S. is a unified security and investigations platform providing intelligence-driven protection services. The core offering combines Security & Logistics services (Executive & Personal Protection, Corporate & Residential Security, Global Travel Security, Cybersecurity & TSCM, Maritime Protection) with Intelligence & Investigations services (OSINT/SOCMINT, Surveillance & Investigations, Due Diligence & Background Checks, TSCM, Digital Identity Detection, Vulnerability Studies, Crisis Management, Complex Data Analysis & eDiscovery). These services work together as an integrated protective intelligence solution, allowing clients to conduct business with peace of mind through physical security, digital threat protection, and investigative capabilities.

Differentiator

Problem solved

Functional benefit

Products and services

• Executive & Personal Protection Discreet, high-level close protection services for individuals, families, and public figures, leveraging expertise in physical, psychological, and behavioral analysis to enhance security practices.
• Corporate & Residential Security Custom security solutions for properties, offices, and executives, including risk assessments, advanced counter-surveillance and monitoring systems, access control, and on-site security personnel.
• Global Travel Security Secure travel planning and protection with international reach, providing thorough risk assessments and secure travel logistics tailored to individual and corporate needs.
• Cybersecurity & TSCM Managed cybersecurity services including Managed Detection & Response (MDR), endpoint security stack, vendor risk management, vulnerability assessment & management, simulated attack and configuration validation testing, virtual CISO services, and penetration testing & remediation, combined with Technical Surveillance Countermeasures.
• Open-Source & Social Media Intelligence (OSINT/SOCMINT) Real-time monitoring, threat detection, and sentiment analysis across the surface web, deep web, and dark web using AI-enhanced tools and proprietary investigative methods.
• Threat & Crisis Management Identification, profiling, and resolution of emerging risks and reputational threats, with strategic support in mediation and litigation consulting alongside legal counsel, public relations, and crisis communications experts.
• Surveillance & Investigations Covert monitoring, digital identity tracing, and facial recognition for targeted operations, including physical surveillance providing real-time intelligence through direct observation.
• Due Diligence & Background Checks Deep investigative vetting for hiring, partnerships, or internal reviews, with thorough background investigations that adhere to applicable legal requirements for different positions and jurisdictions (FCRA-compliant for employment-related matters).
• Maritime Protection Physical and digital security for motor yachts and private vessels, including onboard physical security, executive protection at sea, a comprehensive cybersecurity program with penetration tests, shore logistics, and evacuation support.
• Technical Surveillance Countermeasures (TSCM) Comprehensive services to detect, neutralize, and protect against unauthorized surveillance and security breaches, including detection of bugs and covert surveillance activity, with expertise in covert intelligence gathering, electronic countermeasures, and cybersecurity.
• Digital Identity Detection Investigation and verification of key identifying markers including email addresses, phone numbers, usernames, social media posting patterns, metadata, geolocation, and license plate numbers using proprietary digital footprint tools.
• Vulnerability Study Proprietary digital footprint analysis to identify and eliminate exposure risks, locating, removing, and suppressing unauthorized digital records and identifiers including addresses, property photos, phone numbers, and personal details.
• Complex Data Analysis & eDiscovery Integrated investigative solutions combining advanced data analysis and international investigative capabilities for complex litigation matters, analyzing high-volume data sets including email records, electronic files, financial documents, and forensic images, with Relativity platform integration under GDPR compliance.

Named customers4 records

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

AI capability6 records

Feature7 records

Partnerships

One partnership is on record.

• Strategic Security & Intelligence Providers (Global)coreStrategic or Co-development PartnerS.I.S.S. maintains strategic partnerships with security and intelligence providers across every continent. These partnerships enable the company to deliver comprehensive protection services and investigations on a worldwide basis, providing local regulatory expertise, language capabilities, and on-the-ground support in jurisdictions where the company operates.

Scale indicators4 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• Pinkerton: Long-established investigative and protective services firm (now part of Securitas). Overlaps on corporate security, investigations, and executive protection, but at much larger scale and broader portfolio.
• International SOS: Large-scale travel risk management and medical/security assistance provider. Comparable on global travel security, risk assessments, and cross-border protective services for executives.

Direct peers

• World Protection Group: HNWI and family-office focused protective services provider offering executive protection, residential security, and security consulting. Direct competitor for elite private clients.
• Hillard Heintze: Security risk management and investigations firm serving corporations, HNWI, and public figures. Direct overlap on executive protection, threat assessment, and protective intelligence consulting.
• Gavin de Becker & Associates: The closest comparable firm: a high-end protective services and threat assessment provider founded by a well-known figure, focused on HNWI, executives, and celebrities. Competes head-to-head for premium family-office and corporate protection mandates.
• Kroll: Global risk consulting firm offering investigations, due diligence, cyber, and security services. Direct overlap with S.I.S.S. on corporate investigations, background checks, and complex litigation support.
• AS Solution: Executive protection specialist focused on HNWI, family offices, and corporate executives. Closely comparable service model around close protection and global travel security.
• Control Risks: Specialist risk consultancy delivering political, security, and integrity risk services to multinationals and HNWI. Comparable in cross-border investigations, executive protection, and travel risk offerings.
• Concentric Advisors: Boutique protective intelligence and executive security firm. Highly comparable on protective intelligence, threat assessment, and security consulting for HNWI and corporate clients.

Emerging players

• Bishop Fox: Specialized cybersecurity firm with adjacent overlap to S.I.S.S.'s managed cybersecurity and TSCM practice, particularly around offensive security and threat intelligence.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/siss-limited

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles14 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Screen International Security Services