Enhance existing Joomla based website

Hello We are a startup company we act as a middle company between Oracle experts (freelancers or companies) and the end customer who want to have SaaS deployment or small project implementation or development done from offshore our website has been hosted recently and we has not started a real operation on it yet, the website is Joomla based with JoomBri freelance extension installed and hosted As-IS, the default theme is Yoo Nite theme the website does not look great as of now and it does not reflect the specific IT service we want to provide we are looking to an expert who can guide us to take this website to another level in terms of 1- great design and user expereince which can reflect the IT service we want to provide and the products and the only vendor and technology we are focusing on (please visit [login to view URL]) 2-we are looking to enhance the existing process provided by JoomBri extension 3- we want to integrate with social linkedin, youtube and facebook 4- we are also looking to customize our social pages and prepar marketing materials like flyer, marketing letter,..etc and SEO thanks