I need to improve my professional website

General information for the website: We propose photography services (wedding, portrait, pet photography and events)
Kind of development: Customization of existing website
Num. of web pages/modules: 5 or 6
Description of requirements/features: My name is Daisy, I 'm a photographer here in NYC and the founder of Little gypsy studios. A company that will propose different type of photography ( wedding,events, portraits, pets photography).
I already have the website on squarespace done by a graphic designer but I'm not satisfied and pretty sure we can do better. The content is in the website and I would like to link also the strip account on the website. I have the account already because the person I worked in the past ( the designer) did it for my personal website. But it's not working because of some coding the technical support told me.
So how much would it cost me please to improve my existing professional website (not launched yet) and just to connect strip to other personal website. Stripe account will be the same for both websites.

Thank you
Extra services needed: Customization, Optimization
Extra notes: Hello,

My name is Daisy, I 'm a photographer here in NYC and the founder of Little gypsy studios. A company that will propose different type of photography ( wedding,events, portraits, pets photography).
I already have the website on squarespace done by a graphic designer but I'm not satisfied and pretty sure we can do better. The content is in the website and I would like to link also the strip account on the website. I have the account already because the person I worked in the past ( the designer) did it for my personal website. But it's not working because of some coding the technical support told me.
So how much would it cost me please to improve my existing professional website (not launched yet) and just to connect strip to other personal website. Stripe account will be the same for both websites.

Thank you