2017 Rankings roundup and listings are here
2016 Rankings roundup and listings are here
2015 Rankings roundup and listings are here
The Power of 10 website is the definitive source of athletics results for UK athletes stretching back over a considerable number of years. Its database of performances allows the production of individual ranking lists by club as well as all of the usual metrics – event, age group & sex.
GIAAC club rankings can be produced from this link : GIAAC Power of 10 Ranking Lists
To be included in the listings an athlete needs to be registered as first claim for GIAAC and also for performances to have been listed in the results section of their database. They are very strict on what constitutes admissible events.