London’s culinary scene is constantly evolving, and one of the most surprising success stories in the city’s gourmet sphere is the marshmallow. Once a basic, fluffy sweet found in plastic bags on supermarket shelves, marshmallows have undergone a renaissance.
In London, a growing number of boutique confectioners have transformed them into handmade, flavour-packed treats worthy of gourmet status.
This blog explores the top marshmallow companies in the capital, offering insight into why these brands stand out and how the marshmallow has become a luxury item in the city’s food culture.
What Makes London a Hub for Artisan Marshmallow Companies?
The Artisanal Movement Meets Confectionery
London has long embraced artisanal food, from craft coffee to sourdough bakerie and marshmallows are no exception. Consumers have shown an increasing interest in sweets that reflect quality, care, and individuality.
This movement away from mass-produced confectionery has encouraged independent marshmallow makers to experiment with fresh ingredients, small-batch production, and creative recipes.
Consumer Demand for Creative and Dietary-Conscious Treats
Londoners, known for their adventurous palate, are also becoming more conscious of dietary restrictions. Many marshmallow companies have adapted by introducing vegan, gluten-free, and allergy-safe options without compromising on taste. The result? Marshmallows that are inclusive, innovative, and indulgent.
Elevated Flavours and Presentation
Unlike the standard vanilla puffs most are familiar with, London marshmallow makers are pushing the flavour envelope. You’ll find combinations like elderflower and gin, espresso swirl, or even tiramisu in perfectly cube-shaped, hand-cut marshmallows. Their visual appeal is enhanced by luxury packaging, making them a popular choice for gifts and events.
Who Are the Top 10 Marshmallow Companies in London?
1. The Marshmallowist – “Reimagining Luxury One Square at a Time”
Founded in Notting Hill by Oonagh Simms, The Marshmallowist is widely credited with starting the artisan marshmallow trend in the UK. The company merges French pâtisserie techniques with experimental British flavours think blackberry & bay or toasted coconut with dark chocolate.
Using organic fruits, herbs, and boutique spirits, every marshmallow is a bold, flavour-rich creation. Their packaging is sleek and high-end, perfect for gifting or indulgent self-care. The brand also collaborates with premium partners like Liberty London and Fortnum & Mason.
Signature Feature
Known for alcohol-infused flavours with a gourmet twist.
Ideal Choice
Perfect for luxury gifting or premium events.
Pricing: Gift boxes from £9.95; luxury sets £15+
- Website: themarshmallowist.com
- Phone: +44 7718 247878
- Address: The Marshmallowist Workshop, London, United Kingdom
- Email: holla@themarshmallowist.com
Review: ★★★★☆
“It’s like biting into a dessert at a five-star restaurant – bold and completely unexpected!”
2. Mallow & Marsh – “Fluffy Indulgence for the Everyday Sweet Tooth”
Mallow & Marsh brings a playful yet quality-focused approach to marshmallows. They’re one of the most widely available artisan brands, stocked in Sainsbury’s, Waitrose, and WHSmith.
Their flavours, such as vanilla bean, raspberry dipped in Belgian chocolate, and coconut, are crafted for both convenience and indulgence. All marshmallows are made in the UK using real ingredients, with no artificial nasties. Ideal for people looking to upgrade their everyday snack game.
Craft Highlight
Trusted high-street availability with gourmet ingredients.
Target Audience
Best for those looking for gourmet snacks on the go.
Pricing: Snack bars from £1.75; gift boxes from £5.99
- Website: mallowandmarsh.com
- Phone: +44 20 3745 5023
- Address: Mallow & Marsh Ltd, 7 Bell Yard, Luton, United Kingdom
- Email: info@mallowandmarsh.com
Review: ★★★★☆
“Incredible texture so soft and fluffy, and the chocolate layer is perfection!”
3. Cloud Nine Marshmallows – “Fluff That Floats Above the Rest”
Cloud Nine is a pioneer in gluten-free, dairy-free, and vegan marshmallows that don’t compromise on flavour or texture. Their handmade puffs are light, melt-in-your-mouth soft, and available in refined flavours like mango passionfruit and champagne raspberry.
The company takes pride in ethical sourcing, allergen-safe production, and vibrant, gift-ready presentation ideal for conscious consumers who don’t want to skip out on indulgence.
Defining Trait
Known for allergen-friendly and vegan luxury options.
Tailored For
Great for dietary-sensitive and plant-based sweet lovers.
Pricing: Gift boxes from £8.50
- Website: cloudninemarshmallows.co.uk
- Phone: +44 07952 703 760
- Address: Heskyn Farm, Saltash, United Kingdom
- Email: Murphy@cloudninemarshmallows.co.uk
Review: ★★★★★
“The vegan marshmallows are unbelievably delicious finally, something for us that tastes amazing!”
4. Treats Club – “Where Marshmallows Meet Melted Magic”
Treats Club is a dessert bar and gourmet marshmallow company based in East London, best known for its hot donut sundaes and toasted marshmallow fluff. What sets them apart is their signature marshmallow sauce served warm, gooey, and layered over everything from ice cream to waffles.
Their toasted marshmallow fluff jars and gourmet s’mores kits have become wildly popular for at-home indulgence and gifting. Everything is handmade in-house with a nostalgic yet modern twist that has earned them cult-favourite status among dessert lovers.
Unique Twist
Specialises in warm, gooey marshmallow sauces and toasted fluff.
Most Loved For
Perfect for s’mores lovers and dessert enthusiasts seeking indulgence.
Pricing: S’mores kits from £15; fluff jars from £5.95
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Website: treatsclub.com
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Phone: +44 20 8050 5381
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Address: 8 Hackney Rd, London E2 7NS, United Kingdom
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Email: hello@treatsclub.com
Review: ★★★★★
“The toasted fluff on a warm doughnut is mind-blowing I keep coming back for more!”
5. Naked Marshmallow Co. – “Simple Ingredients. Serious Flavour.”
The Naked Marshmallow Co. is a well-established British marshmallow brand with a strong London presence through markets and stockists. They are known for creating premium marshmallows with a commitment to transparency no artificial colours, flavours, or preservatives.
Flavours like salted caramel, vanilla bean, and espresso martini are hand-crafted in small batches and often paired with their popular kits, including marshmallow toasters and hot chocolate bombs. Their blend of rustic charm and sleek packaging makes them a standout for both gifting and gourmet enjoyment.
Notable Aspect
Celebrated for their clean-label marshmallows and DIY toasting kits.
Best Matched For
Excellent for cosy nights, hot drinks, and thoughtful gift boxes.
Pricing: Standard box from £7.95; toasting kits from £17.50
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Website: nakedmarshmallow.co.uk
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Phone: +44 01522 699 966
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Address: Lincoln HQ with regular London market presence (e.g., Spitalfields Market)
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Email: hello@nakedmarshmallow.co.uk
Review: ★★★★★
“Their salted caramel marshmallows toasted over the mini burner? Pure, gooey heaven!”
6. SugarSin – “Joyfully Sweet, London-Style”
Nestled in Covent Garden, SugarSin is a vibrant and colourful boutique that delivers a playful twist on traditional sweets, including its standout marshmallows. While known for an eclectic range of candies, their gourmet marshmallows are a hidden gem.
Their elderflower and passionfruit flavours offer a zesty punch, and their fruity cubes are perfect for party favours or post-dinner treats. SugarSin’s marshmallows stand out as much for their taste as their vibrant, Instagram-worthy presentation.
Notable Characteristic
Combines playfulness with bold, fruity flavour.
Best Served
Great for party bags, stocking fillers, or stylish snacks.
Pricing: Marshmallow pouches from £5.99
- Website: sugarsin.co.uk
- Phone: +44 20 8616 5959
- Address: 1 Russell Street, London, United Kingdom
- Email: hello@sugarsin.co.uk
Review: ★★★★☆
“So fruity and fluffy a great find in the heart of London!”
7. Mallow Mia – “Irish-Style Marshmallows with a UK Twist”
Mallow Mia is an artisan marshmallow brand based in Northern Ireland but with full UK delivery, including London. They create pillowy-soft, gourmet marshmallows in flavours like chocolate swirl, lemon meringue, and raspberry ripple.
Their boxes are beautifully packaged and are often bought as gifts or used for corporate orders. Mallow Mia has gained a reputation for consistently fresh products and great customer service.
Feature Focus
Known for soft texture and layered dessert-style flavours.
Best For
Perfect for gift boxes, online ordering, and UK-wide delivery.
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Website: mallowmia.com
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Phone: +353 86 273 6181
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Address: Moira, UK ships to all London postcodes
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Email: hello@mallowmia.com
Review: ★★★★☆
“Incredibly soft and fresh! The chocolate swirl tasted like a brownie in marshmallow form.”
8. Marsh Loves Mallow – “Whimsical Flavour in Every Bite”
Bright, fun, and family-friendly, Marsh Loves Mallow is known for colourful, novelty-themed marshmallows. From rainbow puffs to unicorn-inspired shapes, their products are perfect for birthdays, kids’ events, and quirky gifts.
They’re also one of the few brands to offer entirely egg-free and gelatine-free versions alongside regular treats. Their playful branding and variety make them a standout in a niche often dominated by elegance.
Top Feature
Marshmallows with visual charm and fun-first design.
Great Match
Fantastic for children’s parties and fun holiday treats.
Pricing: Party packs from £6.50
- Website: marshlovesmallow.co.uk
- Phone: +44 07792 649 607
- Address: Newcastle upon Tyne, United Kingdom
- Email: hello@marshlovesmallow.co.uk
Review: ★★★★☆
“The kids loved them — the colours and flavours were a huge hit!”
9. The Happy Mallows – “Quirky, Fluffy, and Full of Flavour”
The Happy Mallows is a boutique marshmallow company offering handcrafted, square-cut treats with a cheerful twist. Flavours like Chocwork Orange, Vanilla Clown, and Smokin’ Fireball highlight their playful branding.
Their marshmallows are air-whipped for lightness, made in small batches, and boxed in retro-themed packaging. They offer UK-wide delivery, including express service to London.
Core Specialty
Fun branding with bold flavours and a vintage aesthetic.
Best Fit
Great for fun gifting, subscription boxes, and novelty food lovers.
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Website: happymallows.co.uk
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Address: Kent-based (Ships to London)
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Email: hello@happymallows.com
Review: ★★★★☆
“Quirky packaging and the Chocwork Orange is a serious flavour bomb!”
10. Grown Up Marshmallows – “100% Natural, Grown and Made in the UK”
This artisan brand grows many of its own ingredients on Exmoor National Park and handcrafts gourmet marshmallows without palm oil, gluten, or egg.
Popular flavours include rose, orange & cranberry, and coffee & walnut. Though not London-based, they have strong distribution through farm shops and food festivals, including London events. All packaging is compostable, and the brand has won multiple Great Taste Awards.
Unique Feature
Farm-grown ingredients and fully compostable packaging.
Best For
Ideal for eco-conscious foodies and natural lifestyle lovers.
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Website: grownupmarshmallows.co.uk
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Phone: +44 07471 655022
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Address: Exmoor, UK (Ships to London and stocked at events)
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Email: info@grownupmarshmallows.co.uk
Review: ★★★★☆
“The rose flavour was delicate and not too sweet — plus I love the eco packaging.”
What Flavour Trends Are Shaping London’s Marshmallow Market?
Creative, Dessert-Inspired Blends
Dessert themes are increasingly popular among London’s marshmallow makers. Flavours like tiramisu, lemon meringue pie, and sticky toffee pudding offer a multi-sensory experience, satisfying both taste and nostalgia.
Seasonal and Thematic Limited Editions
Companies frequently release limited-edition flavours tied to holidays or local events. These include Valentine’s Day strawberry champagne marshmallows or Halloween pumpkin spice puffs, allowing brands to engage customers year-round.
Boozy and Botanical Infusions
Alcohol-infused marshmallows like gin & elderflower or whiskey caramel offer a more adult twist on the traditional sweet, making them perfect for cocktail parties or corporate gifting.
How Do London’s Marshmallow Companies Ensure Quality and Authenticity?
Craft-Based Production Methods
Nearly all top-tier marshmallow companies in London hand-make their products in small batches. This ensures consistency in flavour and texture, allowing greater control over ingredients and presentation.
Use of Natural and Organic Ingredients
The leading brands make a point of avoiding artificial preservatives and colours. Instead, they rely on natural fruit extracts, organic sugar, and plant-based colouring, enhancing the health appeal and flavour integrity.
Customer Reviews and Industry Recognition
With many of these brands boasting 4.8+ star ratings on platforms like Google and Trustpilot, customer satisfaction is evident. Some, like The Marshmallowist, have also been featured in media outlets such as BBC Good Food and The Guardian.
How Can Customers Buy Marshmallows in London?
Boutique Retail Outlets and High-Street Stockists
Marshmallow brands like SugarSin and The Marshmallowist have their own boutique shops or stockists at luxury retailers including:
- Harrods
- Selfridges
- Whole Foods Market
- Fortnum & Mason
Visiting these locations gives customers a chance to browse curated selections in person and occasionally enjoy sample tastings, adding a personal touch to the purchase.
Online Shopping and Delivery Services
Most of the top companies offer full-featured e-commerce platforms with options for:
- UK-wide delivery
- International shipping
- Subscription boxes
- Customisable gift packaging
This makes it easy for locals and international fans alike to access these sweet treats.
Do Any Brands Offer Vegan or Allergen-Free Marshmallow Options?
Innovative Use of Plant-Based Gelling Agents
Brands such as Lick the Whisk and Cloud Nine use agar-agar or tapioca instead of traditional gelatine, enabling them to serve the growing vegan and vegetarian customer base without compromising on texture or flavour.
Free-From and Allergen-Sensitive Options
Several companies avoid common allergens like gluten, dairy, or nuts. Cloud Nine, in particular, has become known for its transparent labelling and allergen-aware manufacturing practices, making it a reliable option for sensitive customers.
What Should You Look For in a Premium Marshmallow Brand?
Clarity on Ingredients
A high-end marshmallow brand will clearly state what goes into each product whether it’s natural vanilla pods or freeze-dried berries. Transparency is key for trust.
Unique Packaging and Gifting Options
Many London companies package their marshmallows in bespoke boxes with ribbons, embossing, or custom notes, ideal for occasions like birthdays or weddings.
Brand Ethos and Storytelling
Consumers increasingly look for brands with a story. Whether it’s a family-run kitchen in East London or a trained pâtissier crafting by hand, the narrative behind the product adds emotional value and strengthens brand loyalty.
Conclusion
London’s marshmallow companies are redefining what a simple sweet can be. They blend artisanal methods with bold flavours and impeccable presentation to create an indulgent, modern version of a childhood classic.
Whether you’re after vegan-friendly bites, boozy indulgences, or a beautifully packaged gift, the city’s top marshmallow makers deliver with flair. Supporting these local brands not only satisfies your sweet tooth but also celebrates London’s rich culture of culinary creativity.
FAQs About Marshmallow Companies in London
Are gourmet marshmallows more expensive than regular ones?
Gourmet marshmallows are generally priced higher, reflecting the use of superior ingredients, artisanal preparation, and luxurious presentation.However, they offer a vastly superior flavour and texture.
Do these brands cater to corporate gifting?
Most London-based marshmallow companies offer corporate gift packages, including branded boxes, logo stamping, and bulk orders for events or client appreciation.
What’s the best way to store artisan marshmallows?
To preserve freshness, it’s best to store marshmallows somewhere dry and shaded, avoiding heat and humidity. Most handmade marshmallows come with resealable packaging or airtight boxes for freshness.
Are there sugar-free marshmallows available in London?
While less common, some brands are experimenting with low-sugar and sugar-free options using natural sweeteners like stevia or agave. It’s best to check individual websites.
Can I find alcohol-infused marshmallows in stores?
Yes, companies like The Marshmallowist and Art of Mallow offer alcohol-infused flavours in-store and online, often in themed collections.
Do subscription boxes offer different flavours each month?
Yes, subscription services typically rotate flavours, providing seasonal or limited-edition options for variety throughout the year.
How long do handmade marshmallows stay fresh?
Typically, they last 2–6 weeks depending on ingredients and packaging. Brands usually list an expiry date on the box.