Bespoke security services delivered with uncompromising discretion.

Strengthening security, raising operational excellence.

Services

What We Do

THEA Consultants Ltd are an independent elite security company based in London.  We specialise in Close Protection (CP), Technical Surveillance Counter Measures (TSCM), Residential Security (RST), Surveillance, Security Training, Intelligence, and Risk Management services.

Our mission is to safeguard global clients with tailored solutions that address their unique challenges.

We uphold the highest standards of professionalism, integrity, and trust. Every team member is carefully selected, fully licensed by the Security Industry Authority (SIA), and vetted to Enhanced DBS standards. This rigorous process ensures that our clients receive services delivered by individuals who embody reliability, accountability, and excellence at every level.

Whether mitigating personal risk, securing complex environments, or supporting sensitive operations, we provide a level of professionalism and precision that sets a new benchmark within the private security sector.

Operating from our London headquarters, we serve clients across all continents, offering international expertise combined with local insights. Our global network ensures that we can respond swiftly and effectively wherever our clients require us.

Close Protection

At THEA Consultants Ltd, we provide comprehensive Close Protection services both in London and internationally, tailored to meet the unique security needs of high-profile individuals and corporate clients. Our team of Close Protection Operators are rigorously selected and trained, drawing on extensive operational experience from the British Army, Police and Her Majesty’s Prison Service.  Our operators are equipped to deliver discreet, adaptive, and highly professional protection in diverse environments, maintaining client safety without compromising privacy or operational discretion. Supported by a 24/7 rapid response capability, we can guarantee swift deployment and continuous protection, underpinned by stringent vetting, advanced training, and adherence to the highest industry standards worldwide.

TSCM

We deliver specialist Technical Surveillance Counter Measures (TSCM) services designed to safeguard individuals, corporations, and organisations from the full spectrum of electronic eavesdropping and surveillance threats. Our mission is to ensure that your private conversations, strategic operations, and sensitive information remain secure, uncompromised, and fully under your control.  Operating from our London headquarters and deploying globally within 24 hours, our TSCM teams combine advanced technical capability with deep operational experience drawn from UK military, police, and government intelligence backgrounds. This unique blend of expertise allows us to identify, analyse, and neutralise both traditional and emerging surveillance risks with precision and discretion.

Residential Security

At THEA Consultants Ltd, our Residential Security Teams (RST) provide a robust, discreet, and highly professional protective presence for private residences, estates, hotels and family environments. Each operator is a seasoned Close Protection professional with extensive experience.  Their experience enables them to deliver a level of vigilance, discipline, and discretion that is unmatched within the private security sector.  Our RST solutions are designed to create a secure living environment without disrupting the comfort, privacy, or lifestyle of those we protect. Whether safeguarding a primary residence, a secondary home, or a high‑value estate, our teams operate with the highest standards of professionalism and integrity.

Surveillance

At THEA Consultants Ltd, our professional surveillance capability is a core pillar of our operational offering. We deliver intelligence‑led, legally compliant, and meticulously executed surveillance operations designed to give clients clarity, foresight, and decisive advantage in complex environments. Our teams operate globally, supporting private clients, corporations, legal professionals, and high‑risk organisations who require discreet, accurate, and actionable intelligence.

Security Training

THEA Consultants Ltd delivers world‑class security training programmes designed for professionals who demand the highest standards of capability, conduct, and operational readiness. Our courses are built around real‑world experience, rigorous methodology, and the specialist expertise of instructors drawn from UK military, police, and government backgrounds.  We provide a suite of core SIA‑aligned training courses covering Close Protection, Surveillance and Medical training.

Risk & Travel Management

THEA Consultants Ltd provides a comprehensive Risk & Travel Management service designed to safeguard clients operating across complex, dynamic, and high‑risk environments. Our approach integrates intelligence‑led planning, real‑time risk monitoring, and specialist protective support to ensure every journey is secure, efficient, and discreet.
We support corporate leaders, UHNW individuals, project teams, and mission‑critical personnel who require absolute confidence when travelling domestically or internationally.

Why Us

Why Choose Us

We provide more than security – we deliver complete peace of mind. 

Our reputation is built on professionalism, discretion, and decades of frontline expertise.

Global Capability & Rapid Deployment

We operate worldwide, providing seamless protection whether at home, in the workplace, or during international travel.  Our teams can be deployed in a matters of hours.  From urgent close protection requirements to complex multi-country TSCM sweeps, clients trust us to respond with precision and reliability.

A Partnership

We don’t simply provide a service; we build long-term relationships based on trust, clarity, and consistent delivery. Clients choose THEA because they know we stand with them — anticipating risks, adapting to change, and safeguarding what matters most.

Discretion as a Discipline

For us, discretion isn’t a courtesy — it’s a professional obligation. Whether supporting UHNW families, or corporate leaders, we operate with a level of confidentiality that protects reputations as effectively as we protect people.

Integrity

Integrity is the cornerstone of everything we do. From the first consultation to the most complex global deployment, our clients know they can rely on us for absolute discretion, uncompromising standards, and solutions tailored to their unique risks.

Operational Excellence at Every Level

From meticulous planning to flawless execution, our standards never waver. Every assignment is overseen by senior leadership, ensuring accountability, quality control, and a level of professionalism that sets us apart in a crowded industry.

Highly Vetted, Fully Licensed Professionals

Every UK consultant is hand-selected, SIA-licensed, and vetted to Enhanced DBS standards, ensuring the highest level of trust and integrity.

Years of Combined Experience

Our team brings extensive backgrounds from the British Army, UK Police, HM Prison Service, and specialist covert operations.