Sounds backwards -- your company is getting the benefits of your increased productivity and doesn't want to pay for it. Im not sure that's Anthropics problem?
It's like I was a graphic designer and my finance company said "photoshop is too expensive". I wouldn't be mad at Adobe for it
You are not allowed to use multiple accounts to bypass the rate limit. You can only use different accounts for different uses like a work account and then a personal account. You can't rotate through 5 for personal use.
https://support.claude.com/en/articles/12429409-manage-extra...