JICWEBS (the Joint Industry Committee for Web Standards in the UK and Ireland) is a body created by the UK and Ireland media industry. Its purpose is to ensure independent development and ownership of standards for measuring on a site-centric, census basis audience reach, frequency and activity levels including the use and effectiveness of advertising on digital media.
www.jicwebs.org

The Institute of Practitioners in Advertising - promoting the value of Agencies
www.ipa.co.uk

ISBA represents advertisers. They have a dual role: to protect the freedom to advertise responsibly, and to enhance the effectiveness of our members by delivering substantial and tangible commercial benefits including cost savings, guidance and skills training.
www.isba.org.uk

The Newspaper Publishing Association represents National Newspapers.

The Newspaper Society represents and promotes the interests of Britain's regional and local media. It was founded in 1836 and is believed to be the oldest publishers' association in the world.
www.newspapersoc.org.uk

The UK Association of Online Publishers (AOP) is an industry body representing digital publishing companies that create original, branded, quality content. AOP champions the interests of media owners from diverse backgrounds including newspaper and magazine publishing, TV and radio broadcasting, and pure online media.
www.ukaop.org.uk

PPA is one of the UK’s largest and most effective trade associations, and is one of the leading magazine trade bodies worldwide. Their job is to promote the interests of the UK magazine and business media industry in every way possible.
www.ppa.co.uk

The Internet Advertising Bureau (IAB) is the trade association for online advertising. With over 540 members, it's run for the leading media owners and agencies in the UK internet industry.
www.iabuk.net

Advertisers Association in Ireland work to represent and defend the legitimate, strategic, non-competitive interests of responsible advertisers and marketers in dealing with Government, the media, business and consumer groups, as well as other bodies of commercial or public interest.
www.aai.ie

Institute of Advertising Practitioners in Ireland is the trade association and professional institute for Irish advertising agencies. Its primary role is to promote the highest professional and creative standards in the production of advertising, across all media. IAPI plays a key role in the irish advertising industry, which is reflected in the range of its activities.
www.iapi.ie

NNI - National Newspapers of Ireland and NNI Local and Regional Newspapers represents 18 national daily, Sunday and weekly newspapers and 35 local and regional newspapers. NNI is committed to promoting and portraying newspapers and their digital activities as the most comprehensive source of news and information, and as the most effective medium for advertising.
www.nni.ie

Magazines Ireland is the trade association of magazine publishers. Its objective is to promote and protect the interests of magazine publishers and in particular its members.
www.magazinesireland.ie

This body represents regional newspapers and printers in Ireland.

The IFABC is a voluntary federation of industry-sponsored organisations that have been established in nations throughout the world and which have a common commitment to the accurate and transparent reporting of comparable print and new media performance data.
www.ifabc.org

BARB was set up in 1981 to provide the industry standard television audience measurement service for broadcasters and the advertising industry. BARB is owned by BBC, ITV, Channel 4, Five, BSkyB and the IPA (Institute of Practitioners in Advertising) and is a not for profit company limited by guarantee.
www.barb.co.uk

Launched in 1990, JICREG has revolutionised the way in which regional and local media advertising is planned, bought and sold, by providing credible and acceptable audience data for the vast majority of local newspapers and their websites. It has become the main currency used by advertisers, agencies, regional press publishers and their sales houses.
www.jicreg.co.uk

Newspapers have enormous potential for influencing customers. The NMA aims to make advertisers, agencies and media planners more aware of this power. Specifically they provide: * Consumer insight - how newspaper readers make decisions in different consumer categories. * Evidence of the effectiveness of advertising in newspapers, both print and online. * Insights into what works best creatively in newspapers.
www.nmauk.co.uk

The National Readership Survey (NRS) provide estimates of the readership of Britain’s major newspapers and consumer magazines, showing the size and nature of the audiences they achieve – the survey covers some 260 newspapers, newspaper supplements and magazines.

NRS has produced a series of charts showing trends in NRS readership estimates and ABC circulation data for the past 8 years. The purpose of these charts is to demonstrate the relationship between readership and circulation over time, where there are similarities between the two, and where there are differences.

View the NRS readership and circulation trends charts

FIPP - the worldwide magazine media association represents companies and individuals involved in the creation, publishing, or distribution of quality content, in whatever form, by whatever channel, and in the most appropriate frequency, to defined audiences of interest.

FIPP exists so that its members develop better strategies and build better media businesses by identifying and communicating emerging trends, sharing knowledge, and improving skills worldwide.

www.fipp.com

Postar produces audience estimates for out of home advertising. The data they publish tells subscribers how many people see an advertising campaign and how often they do so. The information is used as the currency for planning, buying, selling and evaluating advertising investment in the medium.
www.postar.co.uk

RAJAR (Radio Joint Audience Research Limited) was established in 1992 to operate a single audience measurement system for the radio industry - BBC and UK licensed commercial stations.
www.rajar.co.uk

Established in 1969, TGI has provided actionable single-source data across five decades. Originally focused on the British market, TGI has since expanded to cover more than 60 countries.
www.bmrb-tgi.co.uk