Donna Hillyer

Donna Hillyer – Editor

Fiction and non-fiction editor; over 20 years' publishing experience (regular clients include HarperCollins, Penguin RH, Hachette, Pan Mac)

Overview

I'm a fiction and non-fiction editor with over 20 years' experience, having climbed the ranks from editorial assistant to editorial director/company board member, and my skills are subsequently wide-ranging.

I’ve commissioned and grown authors (both mainstream and genre) to bestselling and award-winning status, and I now work in various capacities with publishing companies, literary agents, private authors and writers'/literary festivals. Publishing clients include: Bazar Kustannus (Finland), Bookouture; Elliot & Thompson; Hachette Ireland; HarperCollins; Harpeth Road Press (US); Little, Brown; Orion; Pan Macmillan; Penguin Random House; Reedsy; Summersdale; Transworld and Whitefox.

I work on fiction and non-fiction, across all editorial areas, e.g. >

- query letter review and advice

- manuscript assessments

- structural/developmental edits

- line-editing

- copy-editing

- proofreading

Do get in touch about your project; I'd love to hear from you!

* A selection of Sunday Times Bestsellers I've worked on in a freelance editorial capacity:

- Lucky by Ed Jackson (rugby union player turned Paralympics presenter)

- Get Divorced, Be Happy by Helen Thorn (award-winning comedian and podcaster)

- Knee Deep in Life, and No Shame, both by Laura Belbin (author of the Knee Deep in Life blog)

- Hear Me Out by Sarah Harding

- Friend Request by Laura Marshall

- Midnight in Everwood by M.A. Kuzniar

- A Different Kind of Happy by Rachaele Hambleton (aka Part-Time Working Mummy)

- With This Kiss by Carrie Hope Fletcher

- Be Yourself and Happier: The A-Z Guide to Wellbeing by Will Young

- Springtime at Cannon Hall Farm by The Nicholson Family

- Ten Things I Hate About Me: How to Stay Alive With a Brain That's Trying to Kill You by Joe Tracini

- The Good Liars / Anita Frank

- The Four by Ellie Keel

- Fourth Wing by Rebecca Yarros

- The Dose Effect by TJ Power

A selection of other titles:

* John Marr's sci-fi hit The One (now on Netflix)

* The Summer of Impossible Things by Rowan Coleman and Killer Intent by Tony Kent, which were both chosen for the 2018 Zoe Ball TV Book Club

* Two of the six WHSmith Richard and Judy Book Club summer 2019 titles - How to be Famous by Caitlin Moran & Marked for Death by Tony Kent

* The No.1 bestselling novel (Ireland), The Hungry Road by Marita Conlon-McKenna (2021)

* Winner of the Romantic Novelists’ Association Popular Fiction Award 2022 (voted for by librarians, book bloggers and reviewers, and booksellers): The River Between Us by Liz Fenwick; and the Festive Holiday Romantic Novel Award 2022: Winter at Cliff’s End Cottage by Sheila Norton

* One Life: The True Story of Sir Nicholas Winton by Barbara Winton, which inspired the major motion picture ONE LIFE (2023)

* The Quick and the Dead by Emma Hinds: A Love Reading Star Book and Best Book of the Year Pick 2025

* We Both Have Secrets by Emma Robinson shortlisted for The RNA's Romantic Thriller Award 2026

Services
Non-Fiction
Biographies & Memoirs
Fiction
Contemporary Fiction Historical Fiction Literary Fiction Mystery & Crime Romantic Fantasy Thriller & Suspense Women's Fiction
Languages
English (UK)
Awards
  • In 2012, I was one of four people shortlisted for the prestigious Kim Scott Walwyn Prize, which recognises women's creativity, professionalism and ambition in publishing.
Certifications
  • BA Arts (Joint Honours – English and Philosophy), University College Cork
  • MA Publishing Studies City University, London

Work experience

Self-employed

Jul, 2015 — Present
Since July 2015, I have worked freelance with major trade publishers, agents and private authors on their editorial projects, providing a range of services.

Harlequin UK Ltd

Jan, 2013 — Jun, 2015 (over 2 years)
Oversaw the running of the Harlequin UK editorial programme and its imprints, managing a team of 6, as well as commissioning and growing authors myself. I sat on the board, and so was also involved in the management of the company at senior level.

Little, Brown

Mar, 2007 — Dec, 2012 (almost 6 years)
During my six years at Little, Brown, I held various editorial roles, latterly Senior Commissioning Editor. I worked on commercial fiction, including: women’s commercial fiction; historical fiction; romantic suspense; crime and thrillers; paranormal romance; urban fantasy; and horror.

Portfolio

The DOSE Effect

TJ Power

HarperCollins Publishers

SMALL HABITS TO BOOST YOUR BRAIN CHEMISTRY 'This is the book all parents need in their lives.' – This Morning 'If you want to buy just one book this year to make your life better...Get this one. And live by it.’ – Chris Evans, as heard on The Chris Evans Break... read more
The Quick and the Dead

Emma Hinds

Bedford Square Publishers

'Wonderfully evocative, this book transports the reader to the dark underworld of late Elizabethan London. I was gripped from the first page.' Tracy Borman 'Vividly told, with powerfully drawn... read more
Copy Editing
Copy Editing
Proofreading
Only in New York

Melissa Hill

HarperCollins Publishers

He makes trouble. She makes headlines. A warm and funny enemies-to-lovers romance set in New York from the No. 1 Irish Times bestselling author of The Summer Villa. 'Hill doesn't disappoint' I... read more
Copy Editing
Copy Editing
Proofreading
One Life

Barbara Winton

The book that inspired major motion picture ONE LIFE, starring Sir Anthony Hopkins and Helena Bonham Carter.'Remarkable' - GuardianSir Nicholas Winton rescued 669 children from Nazi-occupied C... read more
Developmental Editing
Copy Editing
Proofreading
Copy Editing
The Second Stranger

Martin Griffin

ONE DETECTIVE. ONE MURDERER. BUT WHICH IS WHICH?Remie Yorke has one shift left at the Mackinnon Hotel in the remote Scottish Highlands before she leaves for good. Then Storm Ezra hits. As temperatures plummet and phone lines go down, an injured man stumbles in... read more
Copy Editing
Copy Editing
Copy Editing
Copy Editing
Copy Editing
Copy Editing
With This Kiss

Fletcher, Carrie Hope

Copy Editing
Copy Editing
Hear Me Out

Harding, Sarah

Copy Editing
Copy Editing
Copy Editing
Copy Editing
Copy Editing
Disappeared

Jarratt, Laura

Copy Editing
Copy Editing
Copy Editing
Copy Editing
Copy Editing
Everyone is Still Alive

Cathy Rentzenbrink

It is summer on Magnolia Road when Juliet moves into her late mother's house with her husband Liam and their young son, Charlie. Preoccupied by guilt, grief and the juggle of working motherhoo... read more
Copy Editing
'If I can go from obesity to the Olympics in four years, and then become a professional boxer, then anything is possible in your life.' Lawrence OkolieDREAM BIG. FOCUS. CHANGE YOUR LIFE.Lawren... read more
Copy Editing
Copy Editing
Copy Editing
Copy Editing
To be a Gay Man

Young, Will

Copy Editing
Developmental Editing
‘I literally could not put it down… I finished in less than 24 hours, it draws you in from the very first chapter… WOW… And just when you think that’s it… BAM.’ Goodreads Reviewer, 5 stars‘You... read more
Copy Editing
Developmental Editing
How to be Famous

Caitlin Moran

Copy Editing
The One

John Marrs

Proofreading
Nina is Not OK

Shappi Khorsandi

Copy Editing

Donna has 48 reviews

Professionalism

Quality

Value

Responsiveness

Bronwen F.

Bronwen F.

Apr, 2026

Donna is an extremely professional and supportive editor. In my experience with Donna, I saw someone who is dedicated to the craft and making work better, and who wants to collaborate to ensure everyone gets what they need to move a project forward. Thank you Donna!
Monique S.

Monique S.

Mar, 2026

Donna is great to work with. Very professional and I love her suggestions and extra tips. Definitely looking to book het again for the next book in the series.
Allison V.

Allison V.

Jan, 2026

Although I had to cancel my project with Donna as I was offered representation with a literary agent, she was very helpful and accommodating towards my request. I hope the chance to get to work with her in the future.
Donna H.
Wishing you the very best, Allison; and yes, please do reach out again here if I can be of any help down the line!
Monique S.

Monique S.

Jan, 2026

Donna was a great help and her work was concise and complete. Thank you for your suggestions and ideas.
Donna H.
Thanks for the lovely review, Monique; it was a pleasure to work on this.
Amy S.

Amy S.

Dec, 2025

Very impressed with Donna's work and expertise. Also lovely to work with such a kind, empathetic person when sharing such vulnerable material. Thank you, Donna and looking forward to continue working with you.
Donna H.
Thanks so much for the review, Amy, and for trusting me with your project, which was such a moving and eye-opening read. Looking forward to seeing it develop.

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