Skills CFA
http://www.skillscfa.org/standards-qualifications/marketing.html
Skills CFA is a registered charity promoting skills and qualifications in the workplace. The organization has been developing standards, apprenticeships and training programmes across the UK since 1996. Skills CFA works to develop and promote National Vocational Qualifications (NVQs) and Scottish Vocational Qualifications (SVQs) and oversees the development of National Occupational Standards (NOS) for a wide range of business skills. This link directs to Skills CFA’s marketing page, which gives details of the two NOS suites that have been developed to cover marketing-related job functions and of available vocational and academic qualifications in marketing.

Chartered Institute of Marketing (CIM)
https://www.cim.co.uk/more/get-into-marketing/
As the world’s leading professional marketing body, CIM (The Chartered Institute of Marketing) is uniquely placed not only to be the voice for the marketing community, but also to be an active participant – catalyzing and shaping the future of this ever-changing profession. For more than 100 years, CIM has been supporting, representing and developing marketers, teams, leaders and the profession as a whole. Their networks have an unrivalled breadth, depth and diversity – making this not just the largest community of marketers, but one with impact. CIM is independent, trusted and connected, with access to unmatched ideas, insights and resources to help marketers navigate from problem diagnosis to practical solutions.

American Marketing Association (AMA)
https://www.ama.org
The AMA leads an unparalleled discussion on marketing excellence. The AMA offers differentiated content that focuses on the tension between Best Versus Next Practices™. With content coming from unrivalled scholarly journals, like the Journal of Marketing, and award-winning publications, like Marketing News, the AMA offers a robust perspective that understands marketers are expected to provide both solutions for today and solutions for tomorrow. The AMA strives to be the most relevant force and voice shaping marketing around the world; an essential community for marketers.