Diego Sanguino

Diego Sanguino – Designer

Digital artist specializing in book covers for novels across genres, with works featured by publishing giants like Penguin Random House

Overview

Diego is a digital illustrator and 3D artist based in London and Madrid, specializing in visual storytelling across literary fiction, historical fiction, sci-fi, and fantasy. His portfolio spans impactful billboards for award-winning films and book illustrations for esteemed clients like Penguin Random House and Alfaguara. Across every literary genre, Diego creates immersive, high-impact covers designed to pull readers into the world of the book and bring the author's story to life. With a fervent passion for transforming ideas into visually stunning realities, he has skillfully designed books in both English and Spanish.

Services
Non-Fiction
Biographies & Memoirs History
Fiction
Dystopian Historical Fiction LGBTQ Fiction Literary Fiction Urban Fantasy Young Adult
Languages
English

Work experience

Self-employed

Jan, 2016 — Present
Since 2016, I've thrived as a freelance illustrator, specializing in historical and fantasy portrait illustration, accumulating 8 years of invaluable experience. My portfolio includes collaborations with prestigious clients such as Penguin Random House, along with crafting compelling film posters for award-winning movies. Utilizing a blend of 3D techniques and digital brushes, I craft hyper-realistic and visually stunning scenes that bring fiction to life.

Portfolio

Made with Reedsy
Énouement

Recalde, Manuel

Cover Design Illustration
Made with Reedsy
That Such Men Lived: A World War II Novel

Saye, Bryan

Sayebr Publishing

Cover Design Illustration
Made with Reedsy
A Question of Evolution: A Novel

Rosenberg, S D

Independently published

Cover Design Illustration
Made with Reedsy
For Love I Will: a novel

Sterling, C.D.

Unify Writers

Cover Design Illustration
Made with Reedsy
The Missing Heart

Gibson, Nathan

JMS Books LLC

Cover Design Illustration
Made with Reedsy
Faith: A Golden Epic

Dunderdale, Alexander

Independently published

Cover Design Illustration
Made with Reedsy
The Dreaming Dead

Jay Wayward

Keno Sif is a marauder who has made her name killing, drinking, and breaking hearts across the vast continent of Atlas. Together with her mentor Buri the Giant, and the master thief Ivon, thei... read more
Cover Design Illustration
Made with Reedsy
Return to Microworld: A Journey Through Dark Souls with the Ghosts of Video Games Past

Charles, K

Cover Design Illustration
Made with Reedsy
Half Orc Bastard

Horniman, Albert

Cover Design Illustration
Made with Reedsy
Paper Roses: inspired by a true story

Show, Debby

Fieldmere Press

Cover Design Illustration
Made with Reedsy
Profile in the Shadows: True Crimes and Murders of the Most Prolific Serial Killer in American History (Homeless Man's Killer Book 2)

Roberts, Karen

Karen K Roberts

Cover Design
Made with Reedsy
Storm of War: An Epic Medieval Historical Fiction Novel Set in The Crusades (The Crusaders Chronicles Book 1)

Saye, Bryan

Cover Design Illustration
Más allá de la broma

Maite Carranza

Un apasionante thriller juvenil en el que nadie es como aparenta... La ambiciosa Lara, su novio Miguel y Raúl, su mejor amigo, son los reyes del instituto. Aunque no todo es como parece, y nad... read more
Cover Design Illustration
Made with Reedsy
Shades of Destiny: Revelations

Pittman, MJ

BlueTree Publishing House

Cover Design Illustration

Diego has 46 reviews

Professionalism

Quality

Value

Responsiveness

Joao R.

Joao R.

Aug, 2025

Pinned
Working with Diego was an outstanding experience from start to finish. He delivered a book cover that exceeded my expectations—not only visually stunning, but perfectly aligned with the tone and themes of my novel. His professionalism, responsiveness, and attention to detail made the entire proce...
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Diego S.
Thank you so much for your wonderful review, Joao! The concept you proposed for your cover was very powerful. I truly enjoyed helping bring it to life. Since it’s such a relevant topic, it was exci...
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Bryan S.

Bryan S.

Aug, 2025

Pinned
This was my second time working with Diego. I'd found a previous book cover designer here on Reedsy, and when she stopped working, I had to find a new one. Diego is incredible to work with, and his passion for creating distinct and original covers that still accurately display the book's genre is...
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Diego S.
Bryan, it was a pleasure working with you again! I always enjoy diving into your novels and exploring the different historical eras you bring to life. Our collaboration really makes the covers shin...
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Manuel R.

Manuel R.

Jun, 2025

Pinned
Diego was an exceptional collaborator in bringing my novel cover to life. He combined professionalism with a personal touch, effortlessly translating my ideas into a striking visual. His artistic skill is outstanding, and I couldn't be happier with the final result. I’d gladly work with him again...
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Diego S.
Manuel, thank you for your wonderful review! Your novel is genuinely compelling and deep, and it was a joy to help bring it to life. I'm wishing you all the best for its success and will definitely...
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Alex D.

Alex D.

Aug, 2026

Diego is great as always. I've used him before with a different title and it came out looking gorgeous and really delivering on the emotionality of my book. Diego is flexible and receptive to new ideas or perspectives on how you wish to approach your book cover or illustrations. For this most re...
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Diego S.
Thank you for your kind words, Alex! And thank you for the opportunity to collaborate once again. It's always a pleasure working with your stories and bringing them to life visually. I really enjoy...
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Theo L.

Theo L.

Jul, 2026

Diego did a fantastic job with the deliverables. He communicated clearly and professionally and took the time to understand the project so he could provide an incredible end product. Very creative - would highly recommend.
Diego S.
Thank you, Theo! It was a real pleasure collaborating with you. I wish you all the best as your book moves into its next stages, and I hope it finds the success it deserves!

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