Security Services in Portsmouth

We at Alliance Security are pleased to provide full-service security as an independent company in Portsmouth. Our company’s primary objective is customer satisfaction, so we provide dependable, flexible security solutions in a tailored manner.

Local Expertise

We are able to recognise and solve the unique security issues that local businesses encounter because of our considerable experience in Hampshire, which has given us excellent insight into Portsmouth security services.

Customer Focused

Our committed management team and staff are dedicated to delivering operational excellence, available to support clients 24/7, 365 days a year. With a strong emphasis on meeting your security requirements, we guarantee bespoke service and a personalised approach for each and every client.

Proven Track Record

With nearly 40 years of experience in providing security services in Portsmouth, we have firmly established ourselves as the trusted choice for security-conscious professionals across various industries. Our track record speaks volumes, cementing our reputation as the preferred security partner in London

manned guarding services
Alliance Security securing a reception
Alliance Security consulting about security solutions
Alliance Security offers Security Consultancy

Our specialist areas

We proudly partner with clients across diverse sectors delivering security in Portsmouth.

  • Government
  • Corporate
  • Healthcare
  • Educational Establishments
  • Manufacturing
  • Industrial and Commercial Property
  • Residential and Estate Security
  • Military Contracts
  • Local Authority and Housing Associations
  • Construction
  • Private Clients


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