Correctly give the logo?

Question

Design

The client asked to make a logo, it will be used on the website, business cards, documents, etc.
The logo is simple, text (numbers). Asked to send in vector format.
Question:
1. What sizes of the logo should I give to the client?
2. In what format?
3. If you asked for a vector, do you still need to do it not only in PS, but also in AI?

Answer 1

logos are made only in vector. you can draw highlights in the shop :) The vector does not depend on the size of the word at all
2. if for ease of use, then ai pdf cdr png jpg in the last two in color and bw versions, if inversion is allowed, then it is attached too. the size is not more than 500 px, in the presence of other formats this is more than enough.

Answer 2

the main thing is not to give a completely finished logo until you have paid. threw enough..

Answer 3

My friend also made a text one. I don’t know what size and format, but he used this service https://logotizer.ru/ He told me that he was satisfied.