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About Us

Advanced Computer Solutions (ACS) is a global provider of CAD solutions for the Architectural and Engineering industries.


ACS was established in 1996 to provide CAD software, support and training to the growing UK CAD market. With the aquisition of Caddie software in 2001, ACS expanded by opening the Centurion, South Africa office.

With headquarters in Nuneaton, Warwickshire, UK, and an associated company Advanced Computer Solutions (PTY) Limited based in Centurion South Africa, ACS serve clients throughout the US regions, Europe, Africa and Australasia.

Company Registration information:

Advanced Computer Solutions (PTY) Limited is registered in South Africa, Company Registration Number 2001/007047/07. VAT Registration Number  4350196616. Registered Address: P O Box 8130 Centurion 0046, South Africa

Caddie Limited is registered in England, Company Registration Number 0004972727. VAT Registration Number 916 1740 34. Registered Office Address is, 4 Holt Gardens, Rowlands Castle, Hampshire, England, PO9 6BH, UK. Tel: +44 (0) 1234 834920. Email: sales@caddie.co.uk

Advanced Computer Solutions Limited is registered in England, Company Registration Number 0003258760. VAT Registration Number 679 2544 90. Registered Office Address is, 9 Goldington Road, Bedford, England, MK40 3JY, UK. Tel: +44 (0) 1234 834920. Email: sales@caddiesoftware.com


Our flagship product Caddie Professional was launched by the original authors Caddie Computer Aided Design (PTY) Limited in 1985 and was bought by ACS in 2001. Development has focussing on ensuring ease of use and industry specific functionality, whilst ensuring compatibility with other CAD systems by utilising the .DWG libraries produced by the Open Design Alliance, of which ACS are founder members. Caddie comes as standard with vertical applications for Architecture, Civil Engineering, Digital Terrain Modelling, Landscaping, Mechanical Engineering, Structural Engineering, Surveying and Photorealistic Rendering.

In addition to Caddie Professional, ACS produces Caddie Budget - a low cost version of Caddie aimed at smaller users who do not have the need for the full industry specific functionality of Caddie Professional, Caddie Educational, for students and educational establishments and Caddie VIO - Photorealistic rendering of DWG models.

Custom development:

ACS also offers custom development for clients in niche markets with specific needs normally aligned with design or production. For clients wanting to develop their own custom solutions, Caddie Professional is an ideal platform, being DWG based and including a high level easy to use programming language for 3rd party development.


Caddie runs on Microsoft platforms: Windows 8.1, Windows 10 and Windows 11. There are both 32 bit and 64 bit versions of Caddie available.


Clients range from small private practices through to multi-national organisations. Caddie is also used in many secondary and higher level educational establishments.

Other Services:

The success of Caddie is based not only on the software itself, but also on the support and backup offered by the company and our resellers. ACS offers support and training to all our clients throughout the world. In addition we are able to provide hardware and installation services as required.

Domain Names:

The following domain names are registered and used by us:

General Contact information:

General Contact information can be found here or use the form below.

All trademarks acknowledged.

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