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UK Middle grade Literary Agents

77 agents · 48 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

Children's fiction, children's nonfiction, young adult, middle grade, picture books, illustrators

Wants: Covering letter, brief pitch, first three chapters, synopsis, complete picture book text, illustration samples

Looking for

Becky Bagnell founded Lindsay Literary Agency. The agency specialises in writing for children, from picture books to Young Adult fiction and nonfiction for young people. It is currently open to submissions, particularly from diverse or underrepresented authors. It is full for picture book scripts, but actively looking for YA in any genre, middle grade with a strong concept or hook, epic middle-grade fantasy, younger 5-7 stories around 5,000 words, voice-led YA, high-concept YA, contemporary love stories, and romantasy.

How to submit

Email info@lindsayliteraryagency.co.uk. For novels, attach the first three chapters and a single-page synopsis as two separate double-spaced Word documents, and put a covering letter in the email body with brief author information and a 2-3 sentence pitch. Picture book submissions should include a covering letter and complete story in Word format, illustrators should send small PDF samples and a link to online work. Postal submissions are not accepted.

Last checked 2 Sept 2026Via Email
Represents

Crime fiction, thriller, mystery, psychological thriller, supernatural suspense, ghost stories, romantic suspense, historical fiction, women's fiction, middle grade, ya, horror, non-fiction, self-help, narrative non-fiction, memoir

Looking for

Crime fiction encompassing thriller, mystery, and psychological thriller; supernatural suspense; ghost stories; romantic suspense; historical fiction; women's fiction; children's fiction at middle grade and YA level; horror; and non-fiction including topical, accessible works such as self-help, narrative non-fiction, and memoir. Does not represent science fiction, fantasy, short stories, poetry collections, erotica, or picture books.

How to submit

Submit by email only. Fiction submissions should include a cover letter in the body of the email, a short bio, a synopsis, and three sample chapters as separate attachments. Non-fiction submissions should include a cover letter in the body of the email, a short bio, a proposal with chapter breakdown, and three sample chapters as separate attachments. Use the submissions page at https://shesto-literary.com or submissions or to send your materials.

Last checked 2 Sept 2026Via Email
Represents

Fiction, children's books, nonfiction, thriller, suspense, historical fiction, literary fiction, book club fiction, young adult, middle grade, romantasy, memoir, cookery, lifestyle, narrative nonfiction

Wants: Covering letter, synopsis, first three chapters, first fifty pages, outline, sample chapter, bio

Looking for

Hellie Ogden is co-head of WME UK Books and represents fiction, children's books, and nonfiction. She is actively taking on new clients and wants bold storytelling, moving prose, vivid thought-provoking characters, standout debut work, high-concept thrillers and suspense with fresh hooks and daring twists, historical fiction with original courageous ideas, page-turning literary fiction about millennial experience, nostalgia, sexuality and family complexities, upmarket book club fiction with commercial hooks, female-led mysteries, emotionally deep fiction, YA with big heart and voice, romantasy, middle grade adventure with magic, memoir, standout cookery, lifestyle writers, moving narrative nonfiction, and work with social following and cross-media potential.

How to submit

Submit through Hellie Ogden's official WME profile or query button. Include the author full name and work title in the email subject line. Fiction submissions should include a covering letter, synopsis, and either the first three chapters or first fifty pages. Nonfiction submissions should include a covering letter, full chapter outline, and if possible a sample chapter. Include a bio with all submissions. Query one WME agent at a time.

Last checked 2 Sept 2026Via Online Form
Represents

Children's and ya fiction, na or crossover, commercial women's fiction, narrative non-fiction

Looking for

MG: voice-driven with heart/humour, contemporary or MG fantasy series. YA: friendships/firsts/feels, high-concept/speculative romance or thriller. NA and commercial women's: romance-forward with unusual circumstances, romcom (college/university), darkly comic new-parenthood, also speculative/historical romance. Romantasy: romance-forward, grounded magic, morally grey. Non-fiction: extraordinary challenges/adventures, experts in STEM/history/pop culture/mental health. Not sci-fi, crime fiction, picture books

How to submit

Email submission@bell-lomax.co.uk with a covering letter in the email body, a short synopsis (including full plot details), and the first three chapters (no more than 50 pages, double spaced) as a Word document or PDF. Do not address the submission to more than one agent.

Last checked 1 Sept 2026Via Email
Represents

Fiction and non-fiction

Looking for

Commercial/book club fiction (edging literary), thrillers with unusual location or speculative edge, historical with real figures, gothic/magical/haunted, speculative love stories, romcoms, fantasy with unique magic/folklore. Non-fiction from experts/creators including food writing, women's health, maternal/sport/mental health. Not sci-fi, erotica, graphic novels, children's/MG/YA, or poetry

How to submit

Online form - https://www.greenstoneliterary.com or submissions

Last checked 29 Aug 2026Via Online Form
Represents

Fiction and non-fiction

Looking for

Pacy romcoms, dark literary, historical forgotten perspectives, under-represented voices, non-fiction provoking discussion (memoir/polemic/recovered histories/culture studies/self-help)

How to submit

Email af.submission@dhhliteraryagency.com with cover letter, one-page synopsis, and first three chapters for fiction. For non-fiction, send a proposal including an overview, author bio, chapter breakdown, sources, sample chapter, comparable titles, media links, and any praise.

Last checked 28 Aug 2026Via Email
Represents

Children's (mg or ya or crossover), adult commercial fiction, narrative non-fiction

Looking for

Genre fiction and crossover children's, boy-led MG, teen fiction, graphic novel/illustrated MG or younger YA, quirky fantasy, dark/off-beat romantic comedy, domestic noir, cultural history/narrative non-fiction with strong voice

How to submit

Email submissions@nurnberg.co.uk with a cover letter in the body of the email, a one-page synopsis and first three chapters or up to 50 pages as attachments. Mark the subject line FAO Gyamfia Osei. For non-fiction, send an overview, chapter outlines, and three sample chapters.

Last checked 24 Aug 2026Via Email
Represents

Picture books, middle grade, ya, adult romance, adult romantasy, adult fantasy

Looking for

Extraordinary, diverse stories, strong preference for underrepresented voices, see on-site wishlist for specifics (MG/YA, adult romance/romantasy/fantasy etc.)

How to submit

Submit via QueryManager at http://querymanager.com or aliceashliterary, or by email to submissions@ashliterary.com. Do not submit via both routes simultaneously.

Last checked 21 Aug 2026Via QueryManager
Represents

Children's fiction, middle grade, ya, adult fiction

Looking for

Children: singular/underrepresented voices, powerful ideas. Adult: commercial women's fiction, uplit, sagas, romance (contemporary, romcom, historical)

How to submit

Email catherine@marjacq.com with a covering letter in the body of the email, the first fifty pages of the manuscript and a synopsis (for fiction) attached as Word or PDF documents, with total file size not exceeding 2MB.

Last checked 19 Aug 2026Via Email
Represents

Children's and ya (and some adult)

Looking for

Middle grade and YA fiction across genres (pref voice/character-driven, contemporary/realistic settings, magical realism, original psychological thrillers, atmospheric horror, light fantasy). Also open to original children/YA non-fiction, selectively adult literary projects

How to submit

Submit by email via the PFD books submission page at https://petersfraserdunlop.com or submissions or books/, including a cover letter, synopsis, and the first three chapters or approximately 50 pages for fiction, or a detailed proposal for non-fiction.

Last checked 9 Aug 2026Via Email
Represents

Fiction, non-fiction

Looking for

See source page for more info

How to submit

Email submissions@nurnberg.co.uk with your covering letter in the body of the email, a 1-page synopsis attached, and the first three chapters or 50 pages attached. Address the submission to Alex Stephens and make this clear in the subject line. For non-fiction, send an overview, chapter outlines, and three sample chapters instead.

Last checked 8 Aug 2026Via Email
Represents

Middle grade, ya, sff, children's

Wants: Per fba new voices bio: YA and commercial adult fiction; romance and fantasy for all ages; smart/engaging/bold with international appeal. note: agency submissions page currently not accepting fantasy/romantasy/SFF or children's/YA.

Looking for

Actively building a list spanning middle grade, YA and crossover fiction across all genres, and selective adult fiction in the SFF space. Drawn to immersive world-building, complex characters, twisty plots, and stories exploring identity, belonging and transformation.

How to submit

Submit via the PFD submissions page. Include a covering letter, one-page synopsis, and first three chapters or approximately 10,000 words.

Last checked 8 Aug 2026Via Online Form
Represents

Fiction, children's fiction, children's non-fiction

Looking for

Smart romance with an edge, fresh and page-turning crime fiction, horror and literary horror with a contemporary resonance, and literary fiction that is funny and moving with a brand new hook. In children's books, a funny and engaging author-illustrator with a fresh series for young readers (5+), middle grade fiction with strong world-building and characters we haven't seen before, grounded YA fantasy, high-concept YA contemporary, and books about unusual relationships. In children's non-fiction, books that tackle curriculum subjects in a new and engaging way, and real-life stories for middle grade and YA readers. No longer accepting picture books.

How to submit

Email submissions@colwillandpeddle.com with subject line 'Fiction or Children's Submission' (delete as applicable). Include a cover letter, a one-page synopsis, and the first chapter of your work.

Last checked 6 Aug 2026Via Email
Represents

Humorous fiction, action fiction, commercial fiction

Looking for

Books with humour, particularly when it is edgy, smart, and driven by characters' own actions, flaws, and foibles. Strong-voiced action stories that create genuine connection with a character before placing them in peril, with premises that explore "what if" scenarios to their extremes. Narratives that deliver surprises in a satisfying, inevitable way.

How to submit

Other submissions

Last checked 3 Aug 2026Via Other
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 2 Aug 2026Via Email
Represents

Children's authors and illustrators

Looking for

Children's/YA book projects (UK and Ireland only)

How to submit

Email submissions@alicewilliamsliterary.co.uk with a covering email briefly introducing the submission (genre, age, word count) and a little about yourself. Fiction: pitch in the body of the email, attach the full manuscript as a Word doc (double line spacing) and a one-side A4 synopsis. Picture book texts: attach two or three texts as separate Word documents. Non-fiction: provide an overview of concept, length, structure, readership, and sample spreads or chapters. Illustrators: include a portfolio link and optionally a low-res PDF dummy. Do not use AI-generated text or illustrations in your submission.

Last checked 25 Jul 2026Via Email
Represents

Picture books, novelty, pre-school, middle grade, narrative non-fiction, general non-fiction, gift, comics, graphic novels, activity books

Looking for

Exceptional children's book creators, with a particular interest in inventive approaches to familiar themes, passion projects from diverse and exceptional new talents, and innovative formats that push the boundaries of children's publishing. Books that spark curiosity and wonder, especially visually extraordinary objects that reward repeated reading.

How to submit

Review David Higham's submission guidelines before submitting. Send your work by email to isobelsubmissions@davidhigham.co.uk. If you do not receive a response within twelve weeks, the agent will not be pursuing your work.

Last checked 12 Jul 2026Via Email
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 11 Jul 2026Via Email
Represents

Children's fiction, ya, middle grade, chapter books, graphic novels, cosy crime, crime fiction

Wants: See agent page for currently-open genres; query must match listed genres. does not represent picture books

Looking for

Big-concept commercial series fiction for children and YA, with particular interest in middle grade across all subgenres — mystery, fantasy, historical, funny, adventure, verse, illustrated, animal perspectives — especially with a strong voice or hook. Chapter books with series potential for ages 7 and up, and graphic novels across all children's and YA age ranges. In YA, contemporary novels including rom-coms with a hook, high-concept stories with strong friendships or sibling relationships, mysteries, thrillers, and light speculative fiction; will consider historical YA with action. For adult, only open to cosy crime, smart contemporary crime with humour, crime with a fantasy twist, and crime with a sci-fi element — nothing dark or gritty, no child death or gratuitous violence. Not open to picture books, YA fantasy, contemporary adult fiction, adult non-fiction, literary novels, romance, or poetry.

How to submit

Email gemmaqueries@gemmacooperliterary.com with the book title, a short pitch, a brief author bio, and the first ten pages pasted into the body of the email — no attachments. Graphic novel or illustrated non-fiction submissions may include a link to a website or social media where work is shared, or attach up to five low-res images. Emails sent to info@gemmacooperliterary.com will be deleted unread.

Last checked 9 Jul 2026Via Email
Represents

Fiction, non-fiction

Wants: Cover letter, first three chapters, synopsis

Looking for

Adult and children's fiction, along with a small amount of non-fiction — above all, a great story with characters to care deeply about. Bold, distinctive voices, intriguing stories with a strong hook, and flawed characters with something to learn. Truly diverse characters and inclusive, body-positive, joyful representation, as well as big, mind-bending ideas and fresh combinations of genres. Particularly interested in Thrutopias, graphic novels, highly integrated illustrated middle grade or YA fiction, and funny fiction for children and young adults.

How to submit

Submit via the online form at https://hs-la.com or submissions or during the open window (1st–7th of each month). Include a cover letter, the first three chapters of your manuscript, and a synopsis.

Last checked 9 Jul 2026Via Online Form
Represents

Sff, speculative fiction, horror, middle grade, ya, crossover fiction, graphic novels

Looking for

Adult SFF, speculative fiction and horror, children's middle grade, YA and crossover fiction, and graphic novels across all age ranges. Actively seeks authors and author-illustrators from diverse and traditionally underrepresented backgrounds.

How to submit

Email submissions directly to katie@theampersandagency.co.uk. Note: she does not represent children's picture books or short stories not fitting the above genres.

Last checked 9 Jul 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 9 Jul 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 1 Jul 2026Via Email

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