I need somebody to make changes to existing logos

I need a professional designer to modify three existing logos according to specific requirements. Details of the logo will be given to the successfull freelancer. All modifications should be delivered as vector files (SVG and AI formats) for maximum flexibility and quality.

Deliverables

Vector files in SVG and AI formats for all three logos
PNG files with transparent backgrounds in multiple sizes (small, medium, large)
Brief explanation of changes made

Additional Information

I will provide the original logo files upon project acceptance
I am open to creative suggestions beyond the specified requirements
The logos will be used for both print and digital applications
Brand consistency between the logos is important

Please include examples of similar logo redesign work in your proposal. I'm looking for someone with experience in creating professional, polished logo designs with attention to detail, however this is a very straightforward project, taking illustrated drawings and digitising them essentially.