SMWS Codes Explained: The Complete Guide to Scotch Malt Whisky Society Distillery Codes

What Are SMWS Codes?

If you have ever held a bottle from the Scotch Malt Whisky Society, you will have noticed something unusual: instead of a distillery name, there is a number. Something like 29.345 or 53.96 or G1.14. These are SMWS codes — the unique identifiers the Society has used since its founding in Edinburgh in 1983.

The system is elegant in its simplicity. Every code has two parts separated by a decimal point:

• The first number identifies the distillery, assigned in the order the Society first bottled from that source. Code 1 = Glenfarclas (the original). Code 29 = Laphroaig. Code 33 = Ardbeg. Code 53 = Caol Ila.
• The second number is the cask count — how many casks the SMWS has ever released from that distillery. SMWS 29.345 means the 345th cask of Laphroaig the Society has ever bottled.

For non-Scotch spirits, letter prefixes replace the number: G for Grain Whisky, B for Bourbon, R for Rum, A for Armagnac, C for Cognac, GN for Gin, RW for Rye Whisky, CW for Corn Whiskey.

Why No Distillery Name?

This is the question every new SMWS member asks. There are two reasons.

First, some distilleries make it a contractual condition of selling casks that the buyer does not name them on the packaging. They want to protect their brand.

Second — and this is the SMWS philosophy — the Society wants you to taste blind. Without the distillery name anchoring your expectations, you approach each dram fresh. You might find that a distillery you thought you disliked, at single cask strength with the right maturation, is extraordinary. It is a philosophy of discovery.

The Most Important SMWS Codes

Islay (peated and coastal character): Code 3 — Bowmore | Code 10 — Bunnahabhain | Code 29 — Laphroaig | Code 33 — Ardbeg | Code 53 — Caol Ila | Code 76 — Bruichladdich

Speyside (fruity, floral, cereal character): Code 1 — Glenfarclas (the original) | Code 2 — Glenlivet | Code 35 — Glen Moray | Code 66 — Ardmore | Code 73 — Aultmore

Highland: Code 4 — Highland Park | Code 11 — Glenmorangie | Code 39 — Linkwood

Campbeltown: Code 27 — Springbank

For the complete searchable list of all 243+ SMWS codes across all spirit types, visit our SMWS code reference.

How to Read an SMWS Bottle

When you pick up a SMWS bottle, five things help you understand what is inside:

1. The code (e.g., 29.345) — distillery and cask number
2. The age — years the whisky spent in cask
3. The ABV — SMWS bottles at cask strength, typically 55–65%
4. The flavour profile — one of twelve colour-coded SMWS profiles (Peaty and Pungent, Lightly Peated, Young and Spritely, and so on)
5. The name — a creative description like "A Squirrel's Pantry" or "Sunday Morning Cartoons" that hints at the character without naming the source

SMWS vs. Official Distillery Bottlings

SMWS bottlings differ from official releases in four key ways:

• Single cask — every bottle comes from one specific cask, not a blend
• Cask strength — no dilution with water; you get the whisky as it left the barrel
• Limited quantities — when the cask is gone, it is gone forever
• Non-chill filtered — compounds that cause cloudiness at cold temperatures are preserved, giving fuller flavour

This means SMWS bottles often taste dramatically different from the same distillery's standard releases. A heavily peated distillery like Ardbeg (code 33) might yield a delicate, almost floral bottling when matured in a first-fill sherry cask for two decades.

Our SMWS Collection

Whisky Goodness is an SMWS ambassador site with dozens of SMWS bottlings reviewed across the collection. Every review includes full tasting notes — nose, palate, finish — plus the code, distillery, age, and ABV.

Browse all SMWS reviews or use the SMWS code lookup to find any distillery by its code number.

Frequently Asked Questions

What distillery is SMWS code 29? SMWS code 29 is Laphroaig, the heavily peated Islay distillery. See all Laphroaig SMWS bottlings at /smws/29.

What distillery is SMWS code 33? SMWS code 33 is Ardbeg, another iconic Islay distillery known for its peat smoke and complexity. See /smws/33.

What distillery is SMWS code 53? SMWS code 53 is Caol Ila. See /smws/53.

What distillery is SMWS code 1? SMWS code 1 is Glenfarclas — the very first distillery the Society ever bottled, and the reason the code system starts where it does.

How many SMWS codes are there? There are 165+ Single Malt Whisky codes, plus codes for Grain, Bourbon, Rye, Corn Whiskey, Armagnac, Cognac, Rum, and Gin. Over 243 codes in total. See the full SMWS code list.

Where can I look up SMWS codes? Use the complete SMWS code reference at Whisky Goodness. Search by code number, distillery name, region, or country of origin.