Altha Consultancy is the consultancy company used by Joost de Valk for his SEO & digital marketing consulting efforts. Two recent projects:
Elance / oDesk / Upwork
Assisted oDesk in their migration to their new brand name Upwork.
Assisted the Guardian in its migration from guardian.co.uk to theguardian.com.
While Joost has very limited time, from time to time he does take on consulting projects. Contact him for more information.