Drupal Customize

Hi! Just want to ask if someone can help me to work on this...let say its site A and site B. the client wants Site A (which run by drupal) to be looks like Site B. so its means Drupal customization. All of the data and images in Site B should be placed in Site A. Is there anyone can work on this? How much and how long? the client want it to be atleast 1 week, is this possible? My location is in Ayala, Makati. Thanks