Specifications 

Development work will normally be based on a written specification agreed in advance by Aircross Ltd and the client. 

Estimates/Quotations

Estimates are provided based on the understanding of an agreed written specification. Minor deviations from a specification will be accommodated as far as possible without further charge if notified in good time but this cannot be guaranteed in all cases. Whilst all efforts will be made to provide an accurate estimate, the final overall cost of the development may be higher or lower than the estimate, depending on the man-hours actually expended. 

The client should specify whether a fixed-price quotation is preferred but should note that a contingency will be built in to a fixed-price quotation in order to protect Aircross Ltd in the event of an incomplete specification being delivered. 

Invoicing

Aircross Ltd software development rates will vary depend on the nature of the development and prevailing market rates. Aircross will only invoice for work actually done, with no hidden extras. VAT will be applied to all quoted prices at the prevailing rate. Invoice will be presented on acceptance of agreed units of work. Payment terms will be by agreement but are normally 14 days from receipt of invoice. 

On a large development we would typically expect a 25% payment on approval of the first delivered component and staged payments thereafter up to 90% of the total cost. The final 10% will be payable on user acceptance of the final product.

Aircross Ltd keeps detailed timesheets of all work done on each development and will be presented on request.

Support

Telephone support will be provided free of charge for a period of 12 months following the system's implementation date. If any errors or deviations from the original specification are identified, these items will be corrected free of charge.

Any further enhancements outside the scope of the specification or any on-site visits will be charged for at the man-hour rates prevailing at the time.