Joomla 3 to Joomla 4/5 Migration

I'm seeking an expert to migrate my Joomla 3 site to either Joomla 4 or 5. The current site has just a few custom extensions or plugins.

Key Requirements:
- Direct migration without major updates or enhancements
- Knowledgeable in handling Joomla migrations
- Able to complete the task within a few months

Skills and Experience:
- Joomla 4 and 5 expert
- Experience with Joomla 3 migrations
- Custom extensions and plugins management