Vault City Brewing Review: Scotland's Most Technically Ambitious Brewery

Vault City is the most divisive brewery in Scotland. People who like their beer cold, dry, and recognisable as beer tend to actively dislike them. People who like their beer to taste like raspberry cheesecake — and there are more of these than you might think — consider Vault City among the best breweries in the UK.

Both groups have a point. What's beyond debate is the technical execution: there is no Scottish brewery doing what Vault City does at this level. Pastry sours are a genuinely difficult category to brew well. Most pastry sours from less ambitious breweries taste like adulterated cordial. Vault City's taste like the dessert they're named after, with proper structure underneath.

Quick Summary

• Founded: 2018, Edinburgh. Edinburgh-based independent brewery specialising in sour beer.
• Signature style: Intensely fruited pastry sours, brewed with real fruit and dessert-inspired adjuncts. Sessions at 4–5%, imperials at 8–10%.
• TasteSCOT rating: 4.2/5 — strong execution, narrow stylistic range, polarising by design.
• Beers worth trying first: Session Sour (any fruit), Strawberry Sundae, Mango Lassi.
• Where to buy: Direct from Vault City (most reliable for current releases), specialist beer shops, Beer Hawk for selected lines, and several Edinburgh and Glasgow bottle shops.

Contents

• What's actually in the bottle
• The case for Vault City
• The case against
• Where to start: 5 beers ranked
• Session Sour vs Imperial — which to buy
• How they compare to other sour brewers
• Where to drink Vault City
• Frequently asked questions

What's actually in the bottle

Pastry sour is a relatively new beer style — most accounts trace the modern UK version to about 2017–2018, around the same time Vault City started up. The basic recipe is: brew a low-ABV sour beer (kettle sour or mixed-fermentation base), add large quantities of real fruit purée after primary fermentation, and finish with dessert-style adjuncts — vanilla, lactose, biscuit malt, cocoa, marshmallow.

The result, done well, has three layers:

1. A genuine sour beer base with proper lactic acid character and a clean, dry finish
2. Real fruit flavour rather than syrup — when Vault City says raspberry, they mean dozens of kilograms of raspberry purée per batch
3. Dessert character from the adjuncts that ties the first two together — vanilla rounds the acidity, lactose adds body, biscuit malt provides backbone

Most pastry sours from less skilled brewers skip step 1 or step 3 (or both) and end up with what's effectively a sweet alcoholic cordial. Vault City don't. Their sours are recognisably sour — properly acidic, properly fermented, with all three layers present. That's the technical achievement.

The case for Vault City

The technical bar is exceptional. I've drunk dozens of pastry sours from breweries across the UK, Europe, and the US. Vault City is in the top three for quality control alone. No off-flavours, no autolysis, no acetaldehyde, no oxidation. Brewing intensely fruited beer at consistent quality is genuinely hard — they do it routinely.

The fruit content is honest. Some sour brewers cheat with artificial flavours or low-grade purée. Vault City use real fruit at industrial volume — you can taste the difference immediately. Their Strawberry Sundae actually tastes like strawberries.

The lineup has range. The pastry sour category sounds narrow but Vault City have built a substantial back catalogue: tropical fruits, berries, stone fruits, dessert flavours, and even more experimental styles (a black forest gateau sour, a key lime pie sour, a peanut butter and jelly sour). The Session range at 4–5% is the accessible entry; the imperials at 8–10% are for committed fans.

They've done it from Edinburgh. Most of the world's best sour brewers are in Belgium, the US, or Denmark. Vault City have established themselves in the same conversation while operating out of Edinburgh — that's a meaningful achievement for Scottish craft beer.

The packaging is clean. Cans rather than bottles for the most part, well-labelled with ABV, fruit content, and serving notes. Easy to know what you're buying.

The case against

The style is polarising and they know it. If you don't like sweet sour beers — and many beer drinkers don't — Vault City offers nothing for you. There's no traditional pale ale, no stout, no helles in the core range. You either accept the brief or you go elsewhere.

Price per ml is high. A 440ml can of imperial pastry sour typically retails at £6–9. Compared to a £5 can of a strong stout or a £4 can of a session IPA, that's significant. The argument is that the fruit volumes justify it — and they probably do — but the per-pint cost is meaningfully higher than the average craft brewery.

The dessert framing wears on some. The naming convention ("Strawberry Cheesecake", "Mango Lassi", "Key Lime Pie") makes the beer impossible to take seriously for traditional beer drinkers. Pastry sours have a perception problem in some quarters of the craft scene; Vault City lean into rather than fight that.

Limited cask presence. Pastry sours don't work on cask, and Vault City's cask offerings (when they exist) are conventional and don't show off what the brewery does best. If you primarily drink cask ale, Vault City is essentially invisible.

Where to start: 5 beers ranked

If you've never had a Vault City beer, these are the ones I'd buy first — in order.

1. Session Sour (any fruit, 4.5% ABV) — the gateway

The Session Sour is a rotating line at 4.5%. It changes fruit regularly — sometimes raspberry, sometimes blueberry, sometimes peach. This is the right starting point because it's session-strength, properly balanced, and shows the brewery's technique without overwhelming you with sweetness.

If the bottle shop has Session Sour available in any flavour, start there.

2. Strawberry Sundae (5–6% ABV) — the crowd-pleaser

Their most popular beer for a reason. Strawberry purée at high volume, vanilla, biscuit, and a clean tartness underneath. Closer to a milkshake than to a traditional sour but with the structure of a proper beer. If you have a sweet tooth and you've never tried pastry sour, this is the conversion experience.

3. Mango Lassi (5–6% ABV) — the structurally interesting one

Mango is harder to brew well than berries because it doesn't have natural acidity to support the sourness. Vault City's Mango Lassi pulls it off by leaning into a lassi-style yoghurt character — lactose, vanilla, cardamom. Genuinely interesting beer, and the closest pastry sour comes to "elegant".

4. Imperial Pastry Sour (8–10% ABV) — the heavyweight

The imperial range goes much further. 8–10% ABV, dessert character pushed to extremes, often a single can is a full evening's drinking. These are the beers Vault City have made their reputation on internationally, but they're not where to start. Try the sessions first; come back to the imperials when you know whether you like the style.

5. Anything with peanut butter / black forest / banana split (variable)

Vault City regularly release experimental imperials with adjuncts that sound absurd on paper — peanut butter and jelly, banana split, black forest gateau. Some of these are genuinely brilliant. Some don't work. The hit rate is roughly 70%. If you like the regular imperials, the experimental line is worth a punt every few months.

Session Sour vs Imperial — which to buy

A practical question that comes up often: should you buy the 4.5% session version or the 8–10% imperial?

	Session Sour (4.5%)	Imperial Pastry Sour (8–10%)
Price (440ml can)	£4–5	£7–9
Sweetness	Balanced	Intense
Drinkability	Easy — finish a can	Hard — sip slowly
Best moment	Daytime, with food, with friends	After dinner, slowly, alone or with one other person
Sharing	Good for groups	Best shared one can between two

Buy the session if: you're new to the style, you're drinking with non-sour-beer friends, or you want a beer that fits a normal evening's drinking.

Buy the imperial if: you already know you like pastry sours, you want a dessert replacement, or you're saving the can for a specific occasion.

For most people most of the time, the session range is the better buy. The imperials are special-occasion beers.

How they compare to other sour brewers

The international pastry sour scene is small but established. Vault City sit in the upper tier — not the absolute pinnacle (a handful of US and Belgian brewers are arguably higher) but solidly in the elite.

Brewer	Country	Vault City compared to them
Westbrook (US)	South Carolina	Westbrook's Mexican Cake imperial stout-sour crossovers are more ambitious; Vault City's range and consistency are arguably better.
Lervig (Norway)	Norway	Lervig do larger volumes of pastry sour but Vault City's quality is more consistent per can.
Verzet (Belgium)	Belgium	Verzet is traditional Belgian sour with fruit; very different style. Both are excellent at what they do.
The Veil (US)	Virginia	Closer comparison — both do imperial pastry sours. The Veil release smaller batches with more cult status; Vault City is more accessible.
Other UK brewers	Various	Northern Monk, Polly's, DEYA all dabble in pastry sours but none specialise in it the way Vault City do.

The brewery that most resembles Vault City stylistically is The Veil in Richmond, Virginia. Both specialise in imperial fruited sours; both have cult followings. The Veil is more boutique and harder to find; Vault City is more accessible and easier to buy in the UK.

Where to drink Vault City

The Vault City taproom (Edinburgh) is the obvious destination — a small space in central Edinburgh with the full current range on rotation, including taproom-only releases. If you're in Edinburgh, this is the dedicated visit. Worth checking opening hours before going as they can be limited.

Edinburgh craft beer pubs carry Vault City regularly — The Hanging Bat (Lothian Road), Salt Horse Beer Shop (Blackfriars), and the various BrewDog Edinburgh locations. The Stockbridge Tap also rotates them.

Glasgow has slightly less consistent availability but you'll usually find them at The Inn Deep (Kelvingrove) and the BrewDog Cowgate / Argyle Street locations. Drygate sometimes carries them as guest beers.

Online — Vault City sell direct from their website with good UK shipping, and they're one of the best-stocked Scottish breweries for online orders. Selected lines also appear on Beer Hawk and other craft beer retailers.

Outside the central belt — availability drops sharply. Specialist beer shops in Aberdeen, Dundee, and Inverness sometimes stock them; supermarkets generally don't.

Frequently asked questions

What is Vault City Brewing?

An Edinburgh-based independent brewery founded in 2018, specialising in sour beer — particularly intensely fruited pastry sours. They're widely considered Scotland's leading sour beer specialist and one of the UK's most respected pastry sour brewers.

Are Vault City beers actually sour?

Yes, properly so — the lactic acid character is clearly present underneath the fruit and dessert adjuncts. They're not as eye-wateringly sour as a traditional Belgian Geuze or a Berliner Weisse, but they're recognisably sour beers, not sweet alcopops. The acidity is what holds the style together.

What's the best Vault City beer for someone new to sour?

Session Sour (any fruit, 4.5% ABV). Lower alcohol, balanced sweetness, properly sour underneath. If that doesn't convert you to the style, the imperial pastry sours probably won't either.

How much do Vault City beers cost?

Session range (4–5% ABV, 440ml cans): £4–5 per can. Imperial range (8–10% ABV, 440ml cans): £7–9 per can. The brewery's website pricing is competitive with specialist beer shops.

Are Vault City beers gluten-free / vegan?

Most are vegan. Their gluten status varies by beer — some include adjuncts (biscuit malt, certain fruit purées) that contain gluten; check the specific can label or product page. They're transparent about ingredients.

Where can I tour the Vault City brewery?

The Edinburgh taproom is open to the public during posted hours but isn't a full brewery tour. For brewery-tour experiences, check their website for occasional open days. The taproom alone is worth the visit if you're in Edinburgh.

Is Vault City better than BrewDog?

Different breweries with different briefs. Vault City focus on technical excellence within a narrow style; BrewDog produce a much wider commercial range. Within their specialism, Vault City are unambiguously better than anything BrewDog do. Across the broader beer market, the comparison doesn't really apply. See our BrewDog assessment for context.

The honest take

Vault City is the brewery that most clearly demonstrates Scotland can produce world-class craft beer in styles that have nothing to do with Scottish brewing tradition. They make beer that tastes like raspberry cheesecake, on purpose, and they do it better than almost anyone else in the world.

You'll either find that brilliant or absurd. Either reaction is defensible. What isn't defensible is dismissing the brewery without trying their beer — the technical achievement is real, and you can't evaluate it on Instagram.

Buy a Session Sour. Drink it cold. Make your own mind up.