Merge pull request #2559 from medwar99/master

add SAIL SERP usage

docs/index.md

@@ -69,6 +69,7 @@ Here is a list of some of our known users and their use cases:
 	- [Competition and Markets Authority](https://www.gov.uk/government/organisations/competition-and-markets-authority) identified ['Persons with Significant Control' and estimated ownership groups](https://assets.publishing.service.gov.uk/media/626ab6c4d3bf7f0e7f9d5a9b/220426_Annex_-State_of_Competition_Appendices_FINAL.pdf) across companies
 	- [Office for Health Improvement and Disparities](https://www.gov.uk/government/organisations/office-for-health-improvement-and-disparities) linked Health and Justice data to [assess the pathways between probation and specialist alcohol and drug treatment services](https://www.gov.uk/government/statistics/pathways-between-probation-and-addiction-treatment-in-england#:~:text=Details,of%20Health%20and%20Social%20Care) as part of the [Better Outcomes through Linked Data programme](https://www.gov.uk/government/publications/ministry-of-justice-better-outcomes-through-linked-data-bold)
  	- [Gateshead Council](https://www.gateshead.gov.uk/), in partnership with the [National Innovation Centre for Data](https://www.nicd.org.uk/) are creating a [single view of debt](https://nicd.org.uk/knowledge-hub/an-end-to-end-guide-to-overcoming-unique-identifier-challenges-with-splink)
+ 	- [SAIL Databank](https://saildatabank.com/), in collaboration with [Secure eResearch Platform (SeRP)](https://serp.ac.uk/), uses Splink to produce linked cohorts for a wide range of population-level research applications
 
 
 === "Public Sector (International)"