The new offices in White Lion Street, round the corner from its previous Islington office, house Devil 7, Fresh Vision, Applecart and Size Creative and free up further room for Colour Systems in the old premises.
Using the firm's Devil Talk service firms will be able to save up to 50% on voice calls to national, international and mobile numbers. They will also get the Talk of the Devil service offering free calls to other Devil 7 clients.
Devil 7 managing director Lee Waller said it was due to start testing new technology that could cut the call charges even further.
According to Waller 80% of Data 7's clients are in the print and publishing market providing a ready made community for the free calls.
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