This service focuses on consistency not only within an individual document, but over the span of a whole project. For example, if you have a PowerPoint presentation that's linked with a subtitled video that will also be shared on a blog post, or if you have a series of short stories that share a common theme that requires precise repetition of certain characters or phrases. If a brand/style guide is not provided, a simple one can be created as a reference point. Depending on the timeline of your project, this service can be longer term, booking elements in advance separately, or it can be a final check through when all elements are ready.
While most layout issues will be picked up during a copyedit, a specific layout check focuses only on this aspect of a document. This service can be combined with other services and includes things such as spacing, images, orphan words, odd line/page breaks, consistency across slides (if PowerPoint), alignment etc.