• Oxford: +44 (0)1865 877830 
  • Manchester: +44 (0)161 713 0176 
  • Edinburgh: +44 (0)131 541 0118 
  • New York: +1 646-781-7580 
  • Bucharest: +40 316 301 707 
  • Tokyo: +81 (3) 4588 8181 

About Us

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Dionach are CREST, NCSC CHECK, ISO 27001 and PCI QSA certified information security specialists who provide Penetration Testing, IT Security Auditing and Information Security Consultancy.

Established in 1999 and operating out of 5 offices across 3 continents, Dionach are a leading experienced information security provider. Working alongside some of the world’s most prominent blue chip organisations, Government departments and a host of SMEs, Dionach has become known for both quality and service.

Our approach is simple; working and understanding the needs of our clients ensures that resulting service is tailored to meet their specific requirements. This level of service ensures that the reporting is clear, concise and meaningful.

The delivery of all Dionach services is conducted by some of the industry’s finest technical resources. Dionach’s ongoing development and internal support ensures the skills required to tackle today’s emerging threats and information security risks are at the fore of Dionach’s strategy. Dionach’s resources are supported and backed up with a solid forward thinking organisation, dedicated to delivering an exceptionally high level of assurance, compliance and response services.

Dionach’s core services are formed under three areas and consist of the following activities:


Keep abreast of information security news and blog entries by following @DionachUKGoogle+ or LinkedIn.

Contact Us

Dionach Oxford

Unipart House
Garsington Road
Oxford OX4 2PG
Tel:    +44 (0)1865 877830

Dionach Manchester

Colwyn Chambers
19 York Street
M2 3BA
Tel:    +44 (0)161 713 0176              

Dionach Edinburgh  

9-10 St Andrew Square
Edinburgh, EH2 2AF

Tel:   +44 (0)131 541 0118                 

Dionach New York

36th Floor, One Penn Plaza
New York
NY 10119
Tel:   +1 646-781-7580

Dionach Romania

District 2
39-41 Strada Nicolae Filipescu
Bucharest 020961
Tel: +40 316 301 707

Dionach Japan

Suite 201
2-29-5 Ebisu Minami
Tel: +81 (3) 4588 8181