Act! Company records can link to Contact records meaning that Company level information is available at Contact level.
If there are linked fields between the Company record and the linked Contact records such as address fields and phone numbers the Contact records will get updated IF you make the change at Company level, but this only happens when you make the change manually and for many companies who have thousands of Company records manual updating is not an option.
There is no global update facility in Act! but fortunately we have a solution.
We can update linked Company to Contact records on a global basis – we provide the updating service on a remote access basis on a fixed charge basis.
Please contact us if this is of interest to you.