I have a need to create a field (to be called Trade) within the Company entity that will allow the user to select multiple items from a predefined list of up to 100 items.

This Trade field will be used by users to find companies that provide specific services. The reason for requiring multiple selection is because some companies provide more that one service.

I've looked around the community but can only find posts relating to dynamically showing or hiding fields depending on a users selection.

Any suggestions on how best to achieve this gratefully received.

OK I seem to have found an answer to this, bit of a DOH! moment

Just select the Multi-Select option when creating the field: http://help.sagecrm.com/on_premise/en/7.3SP1/admin/Content/Administrator/FC_ChangeDBFieldProps.htm

Next question how can you upload a large list of selection values and the anawer is: https://community.sagecrm.com/partner_community/b/hints_tips_and_tricks/archive/2008/12/31/how-can-i-easily-import-a-large-list-of-selection-list-values-into-crm.aspx