Raising concerns about our services This section provides guidance on how to raise concerns about our services and how to appeal against the outcome of a review. Raising concerns about the National Research Ethics Service (NRES) Raising concerns about a Research Ethics Committee (REC) Health Research Authority Complaints Policy NHS Research Ethics Committee (REC) – Appeals The pages include links to external sites, reference documents and explanatory text; many also provide links to other areas of the site, where related information can be found. We have created these to give you extra detail on key themes, and many of them can be reached from more than one page in the site. We have also made them searchable, are creating a search category of Resources, and have grouped them together on this page for ease of access.