A-Z Security specialises in supplying and installing fire and security. The company's services cover the domains of access control systems, alarm systems, CCTV systems, fire alarm systems and TV aerials & satellites.

A1 Security takes pride in being a reliable and trusted provider of security services locally and beyond. Their team of experienced and friendly professionals is carefully selected to ensure that they deliver the highest level of service to their clients. From mobile patrols to static guards, alarm response, and keyholding, they have the skills and expertise to keep users and their property safe and secure.

A1 Security Protection are a major commercial security solutions provider, based in West Sussex, UK and provide high quality, innovative security solutions for business and organizations across the Southeast. Their services are tailored around clients' specific needs and designed to ensure buildings and premises will be safe and secure from unwanted intruders. They supply, install and maintain a huge choice of security systems.

Based in Welwyn Garden City and specialists in intruder and CCTV systems, as well as offering all other building services. All their installations are covered by a 12-month guarantee for labour and parts and are fitted by friendly and professional tradesmen. We also offer repair and maintenance services for new and existing systems. Serving all of Welwyn, Hertfordshire and London.

Aardwolf security, one of the best pen testing companies in the UK, offers both automated and manual penetration testing services for clients operating in banking, healthcare, retail, manufacturing, and many other industries. This consultancy company ensures that the most robust defence mechanisms have been applied to a client’s IT infrastructure.

Abbey Grey Security Group is one of the leading surveillance, fraud investigation & specialist security companies. The company provides secure support services, risk consultancy, training & integrated solutions in a range of environments. With strength of staff in many countries, Abbey Grey Security Group provides clients with single point of reference for provision of all security, risk management, specialized training and logistic services.

ABCA Systems specializes into installation, maintenance and designing of security systems such as CCTV, intruder alarms, door access, fire alarms, public address systems etc. The company provide a myriad of products, systems and services to large public sector organizations and private residential home owners alike. ABCA Systems believe close working relationships are the key to success and satisfaction.

Abeera Ltd is a local, reliable electronic security company based in Croydon, serving customers across London. They provide electronic security systems, including wireless alarm systems, gate automation systems, door entry systems, CCTV systems, and burglar alarms that offer 24/7 protection to home and business premises.

Abel Alarm Company Limited is the UK’s largest privately owned provider of Electronic Security Systems. The company is qualified to design, install, monitor and maintain electronic security systems and offers a comprehensive nationwide service. Since 1965, thousands of homeowners and businesses, many of them the country’s leading national companies, have put their trust in Abel.

ABEX specializes in advanced algorithms for digital assets, powered by machine learning and an ultra-low-latency, high-frequency trading engine. ABEX upholds the highest regulatory standards from day one and aims to increase transparency in crypto markets through Transaction Cost Analysis.

Ability Security are a Security Systems Consultancy company specializing in the full range of security systems available to homeowners and businesses.

Abzorb is a national company with a strong presence in the North of England. For over a decade the company has been providing telecommunications to businesses and individuals from mobiles, to fixed lines to full network installations. Abzorb has 6 core areas, such as mobiles, fixed lines, networks & phone systems, WAN, LAN and vehicle tracking.

AC Leigh is one of the UK's leading Architectural Ironmongers. AC Leigh supply ironmongery to projects UK wide from branches across East Anglia, from designer door handles and antique brass window furniture, to heavy duty high security locks and electronic access

ACA Security specializes in all types of security solutions such as intruder alarms, fire alarms, CCTV, door entry systems, access control systems, automated gates and integrated systems for domestic, commercial and public sector properties throughout West & South West London, Middlesex and Surrey.

ACC Security is dedicated to the design, installation, service and maintenance of physical and electronic commercial security systems. The company offers CCTV, access control, intruder alarm, fire safety systems, intercom systems, home security etc. services. ACC Security is a partner of Avigilon.

With nearly two decades of highly rated service, AOS is one of the leading security companies in the UK. AOS recently achieved a score of 163 following the Security Industry Authority ACS audit, which places AOS in the top 1% of companies in the Approved Contractor Scheme for the second year running.

Access Buzzers is a door/intercom specialist company with over 10 years of experience installing and maintaining door entry systems, intercoms and Access Control throughout London and the South East. Access Buzzers have a wealth of experience in all sectors providing their services to corporate, educational, private, health care and retail industries.

Access-IS creates world class products that read tickets, take contactless fare payments and image & authenticate travel and identity documents, across a wide range of vertical markets. They are at the forefront of the development of innovative electronic systems, specializing in image processing, RFID/NFC and contactless EMV payment technology.

Access Key and Lock is one of the largest online lock suppliers in the U.K. Access Key & Lock are not just a web based company as they also have four retail shops located in Southampton, Bournemouth, Fareham and Portsmouth which enables them to offer a full locksmith and security service to the Hampshire and Dorset area.

Access Locks (Derby) Limited offer locksmith services with no call out charges and 24 hour availability. Access Locks can repair locks, fit upvc locks, replacement locks and landlord services.

Access-Ability UK Ltd was founded in 1999 by the current MD Rick Allan and Mark Walker, who at the time, was employed by PAC International. The strong connection with PAC was the catalyst for creating a company to design, install and maintain high end access control systems. Access-Ability UK Ltd have the necessary depth of experience and skills, to establish effective security installations for all types of business.

Ace Security provides construction site security, protecting both people and property. Its security guards are trained to look out for potential dangers and ensure they are taken care of before someone hurts themselves. The security guards are available around the clock to protect building and construction sites at any time. Ace Security also offers security services for business events, sport events, festivals, concerts, parties and more.

ACM is a UKAS-accredited certification body in the UK. With over 280 auditors internationally, they work with thousands of clients in more than 20 countries throughout their certification process up to their successful certification that will transform their business performance.

The ACS Pacesetters membership is made up of Contract Security Guarding Companies who are in the top 15% benchmarking and achievement levels set by the Security Industry Authority Approved Contractor Scheme.

Action Doors are a local South Wales based, garage door and industrial door company, with over 25 years experience in the industry. They specialize in electric garage door operators and offer realistic prices for electric conversions. They also carry a large stock of garage doors spares for all the major garage and industrial door manufacturers for servicing or repair of installed doors.