Valkyrie

Founded in 2009 and based at 15 Belgrave Square in London, Valkyrie is a specialist security and investigations firm working with clients across the UK and internationally. The firm pairs deep technical capability with a discreet, intelligence-led approach, supporting complex and sensitive matters where time pressure, confidentiality and evidential rigour all count.

Valkyrie is regularly instructed by law firms and corporates on contentious and sensitive matters, supporting the full litigation lifecycle with intelligence, surveillance, digital forensics and expert witness work. It is known for joining up the investigative and technical sides of a case, pairing open-source intelligence and due diligence with forensic device examination and technical surveillance countermeasures, and for delivering it discreetly, at pace, and to an evidential standard.

What sets Valkyrie apart is that its work is delivered entirely in-house, without subcontracting, by practitioners with backgrounds in elite military units, intelligence services, law enforcement and the corporate sector. That combination lets the firm move quickly and treat the cyber and physical dimensions of a problem together rather than in isolation.

The firm's investigations and litigation support work spans actionable intelligence, surveillance, due diligence and online exposure assessment, supporting civil, commercial and reputational disputes. Its cyber security and digital forensics team delivers forensic examination, penetration testing, incident response and expert witness testimony, helping clients build resilience against intrusion, data breach and insider threat. Valkyrie also conducts advanced technical surveillance countermeasures (TSCM) sweeps across boardrooms, residences, legal strategy meetings and private travel, and supports clients through crisis incidents including extortion, blackmail and targeted threats.