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UK Middle grade Literary Agents

76 agents · 47 currently open to submissions

UK middle grade is underserved in submissions, which makes a genuinely strong manuscript easier to notice. The reader is usually 8 to 12, the protagonist needs to sit near that range, and the danger has to feel real without becoming adult. The voice must be clear without being small.

This UK page shows agents who explicitly represent middle grade. The broad search toggle catches more who'd consider it under children's, junior fiction, YA-adjacent lists, or a broader family list.

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Represents

Illustrators, author-illustrators, children's illustration, picture books

Wants: Pdf portfolio, website link, art samples

Looking for

Trade children's book illustrators and author-illustrators, with a focus on visual storytelling, portfolio development, and author-illustrated picture book stories.

How to submit

Use the official Bright submissions form. Illustrators should upload a PDF portfolio with at least 10 samples and a website or social media link. Author-illustrators should follow the relevant picture book or Middle Grade instructions and include art samples.

Last checked 21 Sept 2026Via Online Form
Represents

Literary fiction, upmarket commercial fiction, historical fiction, romantic comedy, gothic, horror, crime, psychological thriller, speculative fiction, ya, middle grade, memoir, narrative non-fiction, true crime

Looking for

Literary and upmarket commercial fiction of all kinds, especially meditative or moving novels about modern life with warmth and heart alongside sharpness. Historical and period fiction that sheds light on untold stories, ambitious cross-centuries narratives, and historical mysteries. High-concept love stories and romantic comedies with depth. Gothic, horror, murder mysteries, ghost stories, psychological thrillers, speculative and magical realist fiction, and novels with a true-crime feel. A small list of YA and middle grade that feels current and contemporary with a real conversation at its core — not currently seeking fantasy or anything younger than middle grade. On the non-fiction side: memoirs of extraordinary people, narrative non-fiction on subjects the author is passionate about, books on mental health, untold stories across popular science, history and popular culture, and a brilliant true crime book. Particularly keen on LGBTQI+ stories and diverse voices from across the globe. Not currently looking for cookery, wellness, or lifestyle.

How to submit

Email submissions@greeneheaton.co.uk with your covering letter in the body of the email. Include the agent's name in the subject line. Fiction: attach the first three chapters or around fifty pages plus a one-to-two page synopsis that reveals the ending, as Word documents. Non-fiction: attach three sample chapters or around fifty pages plus a chapter summary or synopsis, and explain why you are best placed to write the book and who the intended readership is. AI-generated or AI-edited content is not accepted. No postal submissions.

Last checked 21 Sept 2026Via Email
Represents

Children's fiction, children's non-fiction, picture books, graphic novels, ya, middle grade, adult sff, adult fantasy

Wants: Children's: fiction/non-fiction/picture books/graphic novels; not currently taking picture-book-text-only creators. adult: imaginative SFF with thoughtful society/humanity themes; cosy or dark; witches/magicians/werewolves/teashops welcomed

Looking for

A middle grade or YA standalone reflecting the experience of growing up in a multicultural or multifaith household. A character-led teen series in which the protagonist pursues an exciting career, in the vein of Geek Girl or Alex Rider. Dark academia for YA or adult with detailed worldbuilding and an emphasis on the dark. Palestinian voices in any age group or genre.

How to submit

Email christabelsubmissions@davidhigham.co.uk with your submission. Note that writers focusing solely on picture book texts are not currently being taken on.

Last checked 18 Sept 2026Via Email
Represents

Children's authors and illustrators

Looking for

Children's fiction and non-fiction across all ages, with a particular love for picture books, and authors and illustrators across fiction and non-fiction for all ages

How to submit

Email penny@holroydecartey.com with a cover letter. Authors: attach synopsis and full manuscript as separate Word files labelled with title and author name, picture book authors may send up to three finished texts, non-fiction authors should include a CV, three-page proposal, and market analysis. Illustrators: send a portfolio of around 12 images as JPEG or PDF, maximum 5MB, do not send links to websites or file transfer services. Submit to either Claire or Penny, not both.

Last checked 16 Sept 2026Via Email
Represents

Children's fiction, children's non-fiction, picture books, illustration

Looking for

Author/illustrator proposals for picture books, young fiction and non-fiction, illustration with creative brand-building potential beyond publishing

How to submit

Email claire@holroydecartey.com with a cover letter. Authors: attach synopsis and full manuscript as separate Word files named with title and author name. Picture book authors: up to three finished texts. Non-fiction authors: CV, three-page proposal, and market analysis. Illustrators: portfolio of around a dozen images as JPEG or PDF up to 5MB. Do not submit to both agents.

Last checked 9 Sept 2026Via Email
Represents

Action or adventure, chapter book, diversity, funny, graphic novels, illustrated fiction, underrepresented voices, picture book, non-fiction

Wants: Cover letter, synopsis, first 3 chapters or 20 pages, proposal for non-fiction

Looking for

Lorna is looking for illustration-led children's books including board books, picture books, chapter books, highly illustrated fiction, graphic novels and non-fiction.

How to submit

Email Lorna directly at lorna@darleyanderson.com. For novels, send the first three chapters or first twenty pages plus a one-page synopsis. Picture book writers may send up to three full texts. Non-fiction submissions should include a proposal, full chapter list and up to three sample chapters.

Last checked 7 Sept 2026Via Email
Represents

Science fiction, fantasy, speculative fiction, contemporary ya, middle grade, ya, adult

Wants: First 10 pages, query letter, synopsis

Looking for

Speculative fiction across all sub-genres, with a strong voice and original concept — a speculative element is required for adult and Middle Grade works. For YA, also accepts contemporary fiction without a speculative element. Particularly interested in work informed by non-binary, bisexual, and chronically ill perspectives, and inspired by video games and tabletop RPGs. Not a fit for literary fiction, adult contemporary, non-fiction, historical fiction without a significant speculative lens, picture books, or chapter books.

How to submit

Miriam is currently closed to unsolicited queries. When open, submit your first 10 pages, query letter, and synopsis via QueryTracker: https:// queryTracker.net or query or miriamc

Last checked 1 Oct 2026Via QueryManager
Represents

Middle grade fiction, middle grade non-fiction, ya

Looking for

Middle grade fiction (7+/9+), middle grade non-fiction, teen/YA fiction. Does not accept picture books, under-7s, adult books, poetry/rhyming, or hard copy. UK/Europe-based clients only

How to submit

Complete the online form at http://www.the-bia.com or submissions, attaching your opening 50 pages or 3 chapters and synopsis (fiction) or 2-page proposal (non-fiction) as Word documents (.doc), labelled with full title and author name. Use single line spacing, 12-point font, standard formatting. One submission per writer only. Submissions are currently closed.

Last checked 29 Sept 2026Via Online Form
Represents

Middle grade fiction, middle grade non-fiction, ya, teen fiction

Looking for

Middle Grade fiction for ages 7+ and 9+, Middle Grade non-fiction including biographies and handbooks, and teen and Young Adult fiction for ages 12+, 14+, and 16+. All genres and sub-genres considered within these age ranges. Writers must be based primarily in the UK or Europe.

How to submit

Submissions are currently closed. When open, submit via the online form at http://www.the-bia.com or submissions. Include the opening 50 pages or 3 chapters as a Word document, a synopsis of no more than one side of A4 (fiction), or a detailed 2-page proposal (non-fiction), plus book title, intended readership, and a brief author biography. Files must be labelled with full title and author name, sent as Word documents only, in standard formatting, single line spacing, 12-point font. One submission per writer.

Last checked 28 Sept 2026Via Online Form
Represents

Fiction and non-fiction

Wants: Cover letter, synopsis, first three chapters, total word count, writing CV, full contact details

Looking for

Writers and illustrators across a range of categories, including novels, non-fiction, and picture books, with strong international potential. Does not consider poetry, playscripts, screenplays, or individual short stories.

How to submit

Email or Post - fraserrossassociates@gmail.com

Last checked 27 Sept 2026Via Email
Represents

Middle grade fiction, ya fiction, adult fiction, non-fiction

Looking for

Atmospheric, emotionally intense, relationship-led fiction, romance/romantasy, select thrillers/crime, historical with strong relationships, big-idea accessible non-fiction at intersection of science/society, not picture books/poetry/original screenplays

How to submit

Submit via Query Manager through the 'Submit Your Work' link at https://solasliterary.co.uk or submissions. Include a one-sentence elevator pitch capturing the book's central hook, the first five chapters, and a synopsis of 1–2 pages outlining the full plot including the ending.

Last checked 26 Sept 2026Via QueryManager
Represents

Literary fiction, crime, women's fiction, narrative non-fiction, children's, picture books, ya

Looking for

Fiction: literary fiction, crime, women's fiction. Non-fiction: narrative. Children's: picture books to YA

How to submit

Email submissions to submissions@jennybrownassociates.com for adult work (or directly to jenny@jennybrownassociates.com or lisa@jennybrownassociates.com), or to childrens@jennybrownassociates.com for children's submissions. Write a covering letter in the body of the email. Fiction: attach first three chapters (around 50 pages) and a synopsis in a single document. Non-fiction: attach a proposal and a couple of sample chapters. Picture books: send three complete stories. Illustrators: send samples and a link to your website. Attach text as .doc, .docx, or .pdf, illustrations as .jpeg, .gif, or .pdf. Number your pages.

Last checked 22 Sept 2026Via Email
Represents

Children's books

Looking for

Children's fiction and illustration: voice/style-first, strong hooks, diverse/own voices welcomed

How to submit

Email a short cover letter, a one- or two-sentence pitch including the hook and intended readership, and a writing sample pasted into the body of the email (a full picture book text or a couple of chapters of a novel) to submissions@thecatchpoleagency.co.uk. Illustrators should also include a link to their online portfolio. Do not submit by post. If own voices or diverse applies, include #ownvoices or #diverse in the subject line.

Last checked 8 Sept 2026Via Email
Represents

Fiction, non-fiction, middle-grade fiction, ya

Looking for

Steven reads fiction and non-fiction of all kinds. In non-fiction, he is drawn to books that shed light on under-represented perspectives, communities and histories. In fiction, he seeks novels that explore new ideas, challenge the reader, or play with style, form, character and/or plot — writing with a sense of purpose that takes him by surprise. In middle-grade fiction, he is particularly looking for a quirky detective/mystery series, a fun historical adventure exploring contemporary issues, and a funny, warm-hearted family- or relationship-based drama with a strong voice. In YA, he is keen to read more thrillers.

How to submit

Do not send submissions directly to Steven's email address unless he has specifically requested your work. For general submissions, please check the agency's submission guidelines first.

Last checked 16 Oct 2026Via Email
Represents

Fiction and non-fiction

Looking for

Upmarket-commercial fiction, series crime/thrillers, historical fiction, high-concept fiction, narrative non-fiction, true crime, memoir, popular science/psychology, serious history

How to submit

Email agauntlett@pfd.co.uk with a cover letter, full synopsis, and first three chapters (approximately 50 pages). Non-fiction submissions should include a detailed proposal and a cover letter with CV.

Last checked 16 Oct 2026Via Email
Represents

Picture books, middle grade fiction, young adult fiction, children's nonfiction

Looking for

Middle-grade and young adult fiction, including novels celebrating unlikely underdog alliances, close siblings, fierce friendships, and found families, with particular interest in stories centered on queer and BIPOC community and joy. In middle-grade: cozy, emotionally resonant fantasy and literary-leaning multi-layered mysteries. In young adult: sweeping fantasy set in fully realized unique worlds, especially those inspired by non-European cultures, as well as thrillers with strong hooks. Also open to well-researched, propulsive narrative nonfiction for both categories, especially from authors from marginalized communities.

How to submit

Query Erin Murphy through Query Tracker only. Include a query letter and sample pages as requested through the platform.

Last checked 14 Oct 2026Via QueryManager

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