John Coomer

John Coomer – Editor

Editor with over twenty years of experience working for major commercial publishers (Wiley, McGraw-Hill and Cambridge University Press).

Overview

I have operated my own freelance editorial and writing service since 2015, after spending the previous 20-plus years working for major commercial publishers (Wiley, McGraw-Hill and Cambridge University Press).

I enjoy working collaboratively with both first-time and more experienced authors to make their manuscripts the best they can possibly be. I am comfortable editing, researching, writing and proofreading in most non-fiction topic areas, as well as providing self-publishing advice.

Services
Non-Fiction
Biographies & Memoirs Business & Management Economics Education & Reference Health & Wellbeing Parenting & Families Psychology Sports & Outdoors
Languages
English (AUS) English (UK) English (US)
Certifications
  • Bachelor of Business Management
  • Postgraduate Diploma of Education

Work experience

Self-employed

Sep, 2015 — Present
I provide the full range of writing, editing and proofreading services to a diverse range of clients.

Cambridge University Press

May, 2014 — Aug, 2015 (over 1 year)

Wiley

Apr, 2004 — Apr, 2014 (about 10 years)

Portfolio

Jumping Jack

Jack, Garry

Fair Play Publishing

Developmental Editing Copy Editing Proofreading
Developmental Editing Copy Editing Editorial Assessment
Developmental Editing Copy Editing Editorial Assessment
Copy Editing
Developmental Editing Copy Editing Editorial Assessment
Copy Editing Editorial Assessment
Developmental Editing Copy Editing Editorial Assessment
Developmental Editing Copy Editing Editorial Assessment
Developmental Editing Copy Editing Editorial Assessment
Developmental Editing Copy Editing Editorial Assessment Book Coaching
Copy Editing Proofreading
Copy Editing Proofreading
Copy Editing Proofreading
Developmental Editing Copy Editing Editorial Assessment Proofreading
A CROHN'S SOLUTION: Healing from Inside Out

Gathercole, Wendy

Ultimate World Publishing & Wendy Gathercole

Copy Editing Proofreading
Developmental Editing Copy Editing Proofreading
Developmental Editing Copy Editing Proofreading
No More Windmills: and How I Became an Artist

van Dijk Argall, Mary

Independently published

Developmental Editing Copy Editing Editorial Assessment Proofreading Book Coaching
Developmental Editing Copy Editing Proofreading
Developmental Editing Copy Editing Proofreading
Copy Editing Proofreading
Developmental Editing Copy Editing Proofreading
Punches, Pedals & Perseverance

Atkins, Frank

Frank Atkins

Developmental Editing Copy Editing Editorial Assessment Proofreading Book Coaching
Developmental Editing Copy Editing Proofreading
The Relentless War on Masculinity: Does it Ever End?

Maywald, David

Celebrating Masculinity

Developmental Editing Copy Editing Editorial Assessment Book Coaching
Developmental Editing Copy Editing
Copy Editing Proofreading
Big Con: Australia’s Unknown Soccer Pioneer

Thompson, Trevor

Fair Play Publishing

Copy Editing Proofreading
Copy Editing Proofreading
Copy Editing Proofreading
Developmental Editing Copy Editing
The Natural: Richard 'Dick' Thornett

Morris, Brendan

Fair Play Publishing

Copy Editing Proofreading
Copy Editing Proofreading
The Agents' Game: Stories of Australian football agents

Paleologos, Peter

Fair Play Publishing

Copy Editing Proofreading
Developmental Editing Copy Editing Proofreading
Developmental Editing Copy Editing Proofreading
Copy Editing Proofreading
Developmental Editing Copy Editing Editorial Assessment Proofreading
Chappuis - My Story

Chappuis, Charyl

Fair Play Publishing

Copy Editing Proofreading
Copy Editing
Copy Editing Editorial Assessment
Copy Editing Proofreading
Copy Editing Proofreading
Copy Editing Proofreading
Turning the Tide

Ford, Michelle

Copy Editing Proofreading
Copy Editing Proofreading
Developmental Editing Copy Editing Editorial Assessment
Copy Editing Proofreading
Developmental Editing Copy Editing Editorial Assessment
Developmental Editing Copy Editing Editorial Assessment
Copy Editing Editorial Assessment
Developmental Editing Copy Editing Editorial Assessment
Developmental Editing Copy Editing Editorial Assessment
Developmental Editing Copy Editing Editorial Assessment
Copy Editing Editorial Assessment
Drunk On Survival

Whitaker, T.K.

Developmental Editing Copy Editing Editorial Assessment
Developmental Editing Copy Editing Editorial Assessment
Copy Editing Editorial Assessment
Copy Editing Editorial Assessment
Developmental Editing Copy Editing Editorial Assessment Book Coaching
Copy Editing Editorial Assessment

John has 51 reviews

Professionalism

Quality

Value

Responsiveness

Constant M.

Constant M.

Dec, 2025

Pinned
Working with John has been an outstanding experience. He brings a rare combination of expertise, professionalism, and genuine enthusiasm to the process. His insights strengthened my manuscript, and his communication made every step smooth and enjoyable. I would gladly work with him again and high...
Read more
Zoheb S.

Zoheb S.

Nov, 2025

Pinned
John was an absolute pleasure to work with from start to finish. He understood the brief straight away and treated my manuscript with real care and respect, while still being confident enough to make smart, thoughtful edits. His work significantly improved the clarity, flow, and overall reader ex...
Read more
George A.

George A.

Jun, 2025

Pinned
⭐️⭐️⭐️⭐️⭐️ Exceptional Editor and Thought Partner Working with John has been one of the best decisions I made during the entire process of writing my book. He approached the manuscript with care, professionalism, and a sharp editorial eye — always respecting my voice while enhancing the clarity,...
Read more
Jesse L.

Jesse L.

Sep, 2026

John was fantastic to work with as a first time author he set expectations, guidance and met whilst exceeding these at times. I really enjoyed working with John and would recommend him to other Authors anytime.
Brett G.

Brett G.

Sep, 2026

John was very easy to deal with and together we completed the project in good time. Being my first book I was looking for strong guidance on the project. John was not afraid to make suggestions without taking away from the intent of the book. The book has a very narrow target market and his abili...
Read more

Sign up to read more reviews

Create a free Reedsy account to connect with John and thousands of other publishing professionals on Reedsy.

Professionals similar to John

Get a range of offers by requesting quotes from multiple professionals.

Marta P.

Expert copyeditor for life sciences, business, and memoir. Clear phrasing, consistent style, and publication-ready manuscripts.

Reading, UK

100% reply rate

View profile

Hugh B.

I'm an enthusiastic, honest writer/editor/publisher with decades of experience. I love editing all kinds of non-fiction, fiction and memoir.

London, UK

100% reply rate

View profile

Niall K.

I specialise in development editing of ambitious non-fiction. History, economics. business, 'big ideas'. Best-selling author and PhD.

London, United Kingdom

100% reply rate

View profile