Architectural Design practice needs new logo /letterhead design

C'est ce que J Mason Associates recherchait dans leur letterhead design

We need a new logo / letterhead design to freshen up the practice image. We are an architects practice working in all building design sectors and want a new modern fresh logo / letterhead but retaining a professional feel, so not too gimmicky. The current branding colour palette uses blue and grey, which we still like, but we are also open to other suggestions. I have attached our current letterhead which has served us well and incorporates the RIBA logo, but this was produced in-house using only Word when we first started the business and we would now like a new more modern and professional design.
Possibly include the acronym JMA , or jma, second file added shows an attempt I did myself, which is a bit basic but gives an idea of the type of thing we are looking for Voir plus