We always recommend that any company uses a professional email address such as email@example.com. Using a free email address as your work email address can look unprofessional and give potential customers the wrong impression of your business.
Free email account such as the following should not be used by any company:
Our WebLite package allows you to have a domain name, 6 page website and 5 professional email address such as firstname.lastname@example.org for only £99 + VAT per year. Please contact us for more information.