provision of advice and services in legal matters, in particular in the field of public international law, in the areas of commercial law, strategy, litigation and negotiation, for clients in Switzerland and abroad; the company may carry out, either on its own account or on behalf of third parties, all financial, commercial, movable or immovable transactions directly or indirectly related to its purpose and may be interested, in any form, in all similar companies, in particular by taking a stake in similar companies; the company may also establish branches and subsidiaries in Switzerland and abroad.