Modern design for our website

We're currently building our website and we are looking for a great designer who can produce a smooth modern look for us. We are only looking for a company and not an individual freelancer. Must have worked on Arabic & English websites too.

Reference from the same industry:
https://www.kimiaviation.com/
https://emiratesflighttrainingacademy.com/
https://www.flyplatoon.com/
https://globaljet.aero/en
https://www.jetaviation.com/

This demo matches all our requirements and the design concept we are looking for:
https://oxfordsaudia-my.sharepoint.com/personal/ammar_binswailem_oxfordsaudia_com/_layouts/15/onedrive.aspx?id=%2Fpersonal%2Fammar%5Fbinswailem%5Foxfordsaudia%5Fcom%2FDocuments%2FApproved%20website%20design&ga=1

Timeframe for this task is 2 weeks.