The best developmental editors for hire near Cardiff

Julia

London, United Kingdom

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Experienced and meticulous non-fiction editor with a keen eye. Passionate about great books.

Genres: Career Guides, Non-Fiction, Health & Wellbeing, Sex & Relationships, Self-Help & Self-Improvement, Parenting & Families, Cooking, Food, Wine, & Spirits, and Business & Management.

Work experience:

• Self-employed
• Ebury Publishing, Random House UK
• Anubis Literary Agency

Karen

London, United Kingdom

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Award-winning editor & publishing consultant. Launched bestselling series like Beast Quest. Specializes in adult, YA & children's fiction.

Genres: Young Adult, Fiction, Women's Fiction, Middle Grade, Children's, Fantasy, Paranormal Romance, Romance, Mystery & Crime, and Thriller & Suspense.

Work experience:

• Self-employed
• Little, Brown Books For Young Readers
• Working Partners
• Walker Books
• Scholastic

Tim

York, United Kingdom

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Experienced editor specialising in science fiction, horror, mystery and YA – offering assessments, structural editing and copyediting.

Genres: Young Adult, Fiction, Short Story, Fantasy, Science Fiction, Mystery & Crime, Horror, Thriller & Suspense, Action & Adventure, and Psychological Thriller.

Work experience:

• CGP
• Pearson
• Scholastic
• British Fantasy Society
• Self-employed

Niamh

Leamington Spa, United Kingdom

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Professional editor, proofreader and project manager, specialising in educational publishing.

Genres: Education & Reference and Non-Fiction.

Work experience:

• Self-employed
• Scholastic Ltd

Sarah

Lincoln, United Kingdom

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Senior Editor with 13+ years' experience. Specialist in Romance, Thrillers, YA, LGBTQ+ and Historical for both new and established authors.

Genres: Young Adult, Fiction, LGBTQ Fiction, Paranormal Romance, Romance, Contemporary Romance, Chick Lit, Women's Fiction, Romantic Suspense, Historical Romance, Psychological Thriller, and Thriller & Suspense.

Work experience:

• Self-employed
• Totally Entwined Group (Bonnier Publishing)

Parul

London, United Kingdom

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Professional editor with 10 years of experience at Random House, Quercus. Cofounder: London Writers' Salon. Genre: Thrillers, NonFiction, YA

Genres: Young Adult, Fiction, Business & Management, Non-Fiction, Dystopian, Science Fiction, Thriller & Suspense, Mystery & Crime, Middle Grade, and Children's.

Work experience:

• Random House
• Quercus/ now Hachette
• Cornerstones
• London Writers' Salon
• Eccles Fisher

Bryony

England, United Kingdom

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Friendly, sharp-eyed editor & former biographer helping authors wrangle plots, shape voice & nail continuity. 20+ years. Series specialist.

Genres: Biographies & Memoirs, Non-Fiction, Health & Wellbeing, Mystery & Crime, Fiction, Psychological Thriller, Thriller & Suspense, Urban Fantasy, Fantasy, Dystopian, Science Fiction, Historical Fiction, and Contemporary Fiction.

Work experience:

• Self-employed
• Atomic Partnership Limited

Chris

Exeter, United Kingdom

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I am an experienced copy- and developmental editor specialising in Business, IT and Physical Sciences for authors, academics and publishers.

Genres: Business & Management, Non-Fiction, Computers & Internet, Engineering, Math & Science, Music, Humanities & Social Sciences, Physics & Chemistry, Technology, Photography, and Economics.

Work experience:

• Self-employed
• Sophron Partners
• McKinsey & Co.
• Cambridge Consultants

Ameesha

Birmingham, United Kingdom

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Nonfiction book shepherd & editor of award-winning books that make the world a better place, including business, philosophy, & tech.

Genres: Business & Management, Non-Fiction, Philosophy, Humanities & Social Sciences, Psychology, Self-Help & Self-Improvement, Biographies & Memoirs, Health & Wellbeing, Technology, and Computers & Internet.

Work experience:

• Packt Publishing
• Self-employed
• Business Book Awards UK
• Storyterrace

Tom

London, United Kingdom

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Highly experienced academic and educational book editor, previously worked as Senior Book Production Editor for a leading publishing house.

Genres: Business & Management, Non-Fiction, Psychology, Humanities & Social Sciences, Medicine, Nursing, & Dentistry, Math & Science, Political Science & Current Affairs, Sociology, Education & Reference, and History.

Work experience:

• Self-employed
• SAGE

Martin

Glasgow, United Kingdom

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Editor with ten years experience of working on award-winning sports books such as Andrea Pirlo's autobiography, Pep Confidential & more

Genres: Sports & Outdoors, Non-Fiction, Biographies & Memoirs, Gaming & LitRPG, Fantasy, and Fiction.

Work experience:

• BackPage Press
• The Herald
• The Sunday Times

Kelly

Maryport, United Kingdom

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I have edited and proofread many non-fiction books for HarperCollins and Bonnier and I have also worked on memoirs for individual clients.

Genres: Health & Wellbeing, Non-Fiction, History, Humanities & Social Sciences, Children’s Non-Fiction, Biographies & Memoirs, Education & Reference, Poetry, Fiction, and Contemporary Fiction.

Work experience:

• Self-employed

Scott

London, United Kingdom

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Editor for 20+ years. Have worked on many award-winning and bestselling books. 190+ five-star reviews on Reedsy. Booked up till March 2026.

Genres: Biographies & Memoirs, Non-Fiction, Mystery & Crime, Fiction, Science Fiction, Literary Fiction, Contemporary Fiction, Fantasy, Young Adult, and Women's Fiction.

Work experience:

• The Friday Project, HarperCollins
• Waterstones
• Oxford Brookes University
• Eye Books & Lightning Books
• Abandoned Bookshop

Sandy

Hampshire, United Kingdom

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Sandy is a seasoned editor of non-fiction and fiction titles, and has been helping authors 'give birth' to their books for 20 years.

Genres: Health & Wellbeing, Non-Fiction, Religion & Spirituality, Psychology, Humanities & Social Sciences, Sex & Relationships, Mystery & Crime, Fiction, Self-Help & Self-Improvement, Parenting & Families, and Thriller & Suspense.

Work experience:

• Godsfield Press
• Tigerprint Limited
• Self-employed
• AA Publishing

Clare

London, United Kingdom

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A freelance copy-editor and proofreader specialising in cookery, craft and other lifestyle titles.

Genres: DIY & Crafts, Non-Fiction, Health & Wellbeing, Home & Garden, and Cooking, Food, Wine, & Spirits.

Work experience:

• Cico Books
• New Holland Publishers
• Clare Sayer

Mike

Colchester, United Kingdom

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A publisher and editor with over 25 years of experience, helping authors craft the best manuscripts and proposals possible.

Genres: Literary Fiction, Fiction, Biographies & Memoirs, Non-Fiction, History, Humanities & Social Sciences, Political Science & Current Affairs, Historical Fiction, and Women's Fiction.

Work experience:

• Self-employed
• Profile Books
• Simon & Schuster UK
• Bloomsbury Publishing

Kate

London, UK

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I've edited more than 60 non-fiction books, on subjects as diverse as Shakespeare and serial killers, Terry Pratchett and Arsenal.

Genres: History, Humanities & Social Sciences, Non-Fiction, True Crime, Biographies & Memoirs, Health & Wellbeing, Education & Reference, and Entertainment.

Work experience:

• Self-employed