Any provider who fix Wordpress problems?

[Querrido]

Hello,
I need help in choose the most professional provider who fix Wordpress problems.
Require:
- WordPress theme and plugin support,
- Error and bug fixing,
- WordPress migrations,
- also stable & fast hosting.
Do you know anything about Fixed.net (https://fixed.net/) managed WordPress solutions?
Are they professional? Any experience dealing with them? Alternatives?
Thanks.

[Madagaskar]

Would like to recommend you to keep constant backups of your site.
If a fatal error can’t be fixed, these copies can help you restore your page without losing too much information.

You can rely on Fixed.net wordpress maintenance (https://fixed.net/) team. Reliable service, good value and most importantly excellent customer and technical support.