Premium domains for sale by their owners. Buy now or make an offer — relayed privately, emails never exposed.
.si domains for sale
.si is a country-code extension. Many two-letter extensions are also registered worldwide as short, brandable names and word endings.
103 live listings ← every extension & the full marketplaceCyper.si is 5 characters — short enough to say once and be remembered, and to fit anywhere a logo has to fit. It has no hyphen and no digits — the two things that force you to spell a…
$12,999At 4 characters, Miax.si fits an app icon, an email address and a business card without shortening.
$4,999Tapx.si is 4 characters. Short names survive being typed on a phone, read aloud, and printed small.
$3,888Mawo.si is 4 characters. Short names survive being typed on a phone, read aloud, and printed small.
$4,899Sonification.si — sonification is turning data into sound. A premium .si (Super Intelligence) name for an AI audio, data-sonification or accessibility company.
$15,000You will not find Excellency.si in a dictionary — that is what lets one company own it outright rather than share it with an industry. No hyphens and no numbers, so it survives being read…
$25,599Ceylon.si is a single real word, which is the shortest a name can be and still mean something on its own. No hyphens and no numbers, so it survives being read out loud without spelling…
$25,599Fixa.si is 4 characters. Short names survive being typed on a phone, read aloud, and printed small.
$25,599You will not find Standardize.si in a dictionary — that is what lets one company own it outright rather than share it with an industry. No hyphens and no numbers, so it survives being…
$12,999Jne.si is 3 characters — short enough to say once and be remembered, and to fit anywhere a logo has to fit.
$25,599Conx.si is 4 characters. Short names survive being typed on a phone, read aloud, and printed small.
$3,888Tryo.si is 4 characters — short enough to say once and be remembered, and to fit anywhere a logo has to fit.
$4,399Keve.si — a short four-letter .si (Super Intelligence) brand, ideal for an AI startup, assistant or developer tool.
$999TruePilot.si — a premium .si (Super Intelligence) name for an AI copilot, autonomous agent or autopilot product. Short, trustworthy and brandable.
$1,500GoldBar.si says what it is. Gold + Bar — two plain words, nothing to decode. It has no hyphen and no digits — the two things that force you to spell a domain out every time you say it.
$25,000Shown publicly after a quick check — as your first name, or just “Domain seller · your country”.
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Shown publicly after a quick check — as your first name, or just “Domain seller · your country”.
What stood out? tap any
You are…
About .si domains
.si is a country-code extension. Many two-letter extensions are also registered worldwide as short, brandable names and word endings. There are 103 .si domains for sale here right now, each listed by its own owner, with Buy Now prices from $110 to $100,000. There is no buyer fee or commission: you pay the asking price, through escrow, and the domain is transferred to your registrar account. Compare every extension or use the free domain valuation to check a price.
Frequently asked questions
How much do .si domains cost?
On this marketplace, .si Buy Now prices currently run from $110 to $100,000, with a median of $10,000 across 96 priced listings. Another 7 are open to offers. Owners set their own prices, so these are asking prices, not appraisals. An unregistered .si name costs only the registrar's yearly fee.
How do I buy a .si domain that is already registered?
Open the name's page and press Buy Now to pay the asking price, or Make an Offer to negotiate privately with the owner. Payment goes through a neutral escrow service such as Escrow.com, and the owner transfers the domain to your registrar account once the money is secured.
What is .si used for?
.si is a country-code extension. Many two-letter extensions are also registered worldwide as short, brandable names and word endings.
Are the .si sellers here verified?
45 of the 103 .si names listed here have passed an ownership check (the owner proved control of the domain's DNS), shown with a verified badge on the listing.