AQA

Previously known as the Assessment and Qualifications Alliance.

Web site

http://www.aqa.org.uk/

Past papers

http://www.aqa.org.uk/exams-administration/access-arrangements/modified-question-papers

OCR

Oxford Cambridge and RSA

Web site

http://www.ocr.org.uk/

Past papers

http://www.ocr.org.uk/pastpapermaterials/index.html

Edexcel

Web site

https://qualifications.pearson.com/en/home.html

Past papers

https://qualifications.pearson.com/en/support/support-topics/exams/past-papers.html

City & Guilds

Web site

http://www.cityandguilds.com/

Past papers

ccea

Council for the Curriculum, Examinations and Assessment

Web site

http://ccea.org.uk/

Past papers

http://www.rewardinglearning.org.uk/qualifications/

wjec cbac

Formerly the Welsh Joint Education Committee (Cyd-bwyllgor Addysg Cymru)

Web site

http://www.wjec.co.uk/

Past papers

For queries relating to modified papers email modifiedpapers@wjec.co.uk