Cornerstones is the leading transatlantic literary consultancy. We are the writer’s friend, and we believe your story matters. Come and share your story with us!

Founded in 1998 by Helen Corner-Bryant, Cornerstones is the world’s leading transatlantic literary consultancy, offering a range of services to bring your book to the next level. Our editorial packages include industry-style reader’s reports, one-to-one mentoring, final-stage copy-editing and proofreading, and our intensive Edit Your Novel masterclass online course (based on our book, On Editing: How to Edit Your Novel the Professional Way, which was published as a lead title by John Murray, Hachette, in 2018).

Whether you’re on your first draft or are ready to submit, writing a book doesn’t have to be a lonely journey. We’re here to help, alongside our brilliant editors, who are a handpicked group of published and bestselling authors, respected agents, and senior editors at major publishing houses.

Books that we’ve worked on have gone on to be published by global industry giants including HarperCollins, Penguin Random House, Simon & Schuster, Hachette, Bloomsbury, Bonnier Books, Chicken House Books, Picador (Pan Macmillan), Faber & Faber, Macmillan USA, Amazon Publishing, and more.

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