How much does a .io domain cost?

The planned price is €51.48 per year including 20% VAT. Renewal costs the same.

Can I transfer my .io domain to Sigma Hosting?

Once the registrar is connected, yes. You need the auth code from your current provider. The transfer costs €51.48 and extends the term by one year.

What happens if I miss the renewal?

After expiry the domain can be restored within the registry's grace period. This costs €108.00 including handling.

.io domain

Rules, use and price of the .io extension: planned €51.48 per year, renewal at the same price.

.io pricing

Registration (1 year): €51.48
Renewal per year: €51.48; same as registration
Transfer incl. 1 year: €51.48
Restore: €108.00; after expiry, incl. handling

Planned prices incl. 20% VAT (Austria).

Planned prices: The prices on this page are planned prices. The offer you receive in reply to your request is binding. Until the registrar is connected, domain prices come from sample data.

What is .io?

.io is formally the country code of the British Indian Ocean Territory but is used worldwide as a tech extension. Political changes to the territory could affect the extension in the long term.

Registry: Internet Computer Bureau (technisch betrieben von Identity Digital).

Who can register?

Can be registered without residency requirements. Short names of up to four characters are often sold as premium domains at special prices.

Rules and technology

A .io name is 3 to 63 characters long. Registration requires no prior check; transfers use an auth code. Because many short names are premium, our search shows the actual price before purchase — renewal stays at the standard price.

Who is .io for?

Popular with start-ups, developer tools and tech products because “IO” stands for input/output in computing.

Pricing without renewal shock

A .io domain is planned at €51.48 per year at Sigma Hosting, including 20% VAT. The renewal price is identical: no teaser offer in the first year and no surprise on the second invoice. A transfer from another provider also costs €51.48 and extends the term by one year.

Domain registration is in preparation; until the registrar is connected, the prices are planned prices. You can take your domain to another provider at any time with the auth code.

Our tip

For business-critical brands we recommend also holding a .com or .eu domain as a fallback.

Frequently asked questions

How much does a .io domain cost?: The planned price is €51.48 per year including 20% VAT. Renewal costs the same.
Who may register a .io domain?: Can be registered without residency requirements. Short names of up to four characters are often sold as premium domains at special prices.
Can I transfer my .io domain to Sigma Hosting?: Once the registrar is connected, yes. You need the auth code from your current provider. The transfer costs €51.48 and extends the term by one year.
What happens if I miss the renewal?: After expiry the domain can be restored within the registry's grace period. This costs €108.00 including handling.