Capability statement - repost

I need to develop a capability statement and a corporate profile for a business which is involved in project development, project and corporate finance, capital and infrastructure projects, for mainly Energy, petrochemical related and development of energy sector in a country. we are a team of consultants and operate on a project by project basis. i have in my mind in a nutshell what i want and can say what we do but need someone to really get into the details and add a level of professionalism and put the taught on paper, make it look good for presentation. has to look very professional because our clients are mainly governments, top state companies etc.