Dear customer,
We have 20 years of strong experience in PHP and huge experience in OpenCart development as a result, we can successfully complete this project.
Please, review our profile here: https://www.freelancer.com/u/tangramua
Here detailed information about our company, our portfolio, and the client's recent reviews.
Also, we wanted to personally discuss questions about your project, which helps us to give you the right estimation.
Best regards,
Sales Department
Tangram Canada Inc.
P.S.
As seen from the details of your profile, you located in Sweden.
Be informed that our technical offices located in Ukraine i.e. you will be able to work with our developers almost in the same time zone.