Migrate our website from Joomla 3.x to 4.x and additional tasks

Task A (main task)

We need someone who will migrate our website from Joomla 3.x to 4.x: https://unternehmerzentrum.li/
We're looking for someone who has previous experience with Joomla and feels confident doing this task.

Joomla instructions:
https://docs.joomla.org/Joomla_3.x_to_4.x_Step_by_Step_Migration

Technical requirements for the migration:
https://manual.joomla.org/docs/next/get-started/technical-requirements/

Acceptance criteria for Task A:
- Back up of the current website (Joomla 3) has been created and is available to revert to if needed
- The current website has been migrated to Joomla 4 and runs smoothly

Task B:
Change footer text from © 2019 UnternehmerZentrum AG to © 2024 UnternehmerZentrum AG

Task C:
Make sure that the following two forms are being sent to mb@unternehmerzentrum.li
Form 1: https://unternehmerzentrum.li/unternehmensgruendung-liechtenstein-schweiz
Form 2: https://unternehmerzentrum.li/kontakt

Task D:
Add 'Branchennews' as a link to the footer: https://unternehmerzentrum.li/branchennews
Display the pagination on the following site correctly, it should not display bullet points as it does right now, it should show Seite 1 von 2 and the numbers should be linked: https://unternehmerzentrum.li/branchennews

Acceptance criteria for Task B, C and D:
- Copy in footer is updated
- Forms input is being sent to the correct email address
- The page Branchennews has an updated pagination and is linked in the footer


Let me know if you need any more details.