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.io sales almost double over three years

Kevin Murphy, October 20, 2025, Domain Registries

The .io ccTLD continues to be a cash cow, with sales up 6.70% in 2024, according to the registry’s latest financial filing.

The company also faced its largest-ever UK tax bill last year, at a time when the future of .io came under sharp focus due to the imminent dissolution of the British Indian Ocean Territory to which .io is assigned.

UK-based Internet Computer Bureau last month reported revenue for 2024 of £31.6 million ($42.4 million), up from £29.6 million ($39.7 million) in 2023. Revenue has grown 93% since 2021, mostly due to a spike in 2022.

While ICB, an Identity Digital subsidiary, also runs .ac and .sh, the vast majority of its business is certainly in .io, a popular ccTLD with tech start-ups.

The company is essentially a single-employee shell, structured to pass the vast majority of its revenue to US-based parent Identity Digital. Its gross margins are barely 4%, an implausibly low number for a .com-comparable, high-volume registry business.

ICB reported operating profit for 2024 of £1.6 million ($2.1 million), reversing a loss of £1.7 million in 2023. But its bottom line was bolstered by £2 million of unspecified investment income, leading to profit after tax of £2.8 million ($3.7 million).

The UK tax bill was almost three times as large as any previous year at £807,000 ($1 million) seemingly due to this investment income.

The future of .io is still ambiguous, after the UK and Mauritius signed a treaty to transfer sovereignty over BIOT, which is also known as the Chagos Archipelago. Implementation of the treaty is currently being enacted by both countries’ legislatures.

A UK diplomatic team recently met with Mauritius’ prime minister to discuss the transfer of power, and the discussions reportedly touched on the “domaine Internet”.

A Mauritian newspaper reported that the discussions covered “l’avenir du domaine Internet, qui représente un enjeu économique intéressant pour Maurice”, which could translate as “the future of the Internet domain — which represents an interesting economic opportunity for Mauritius”.

The industry trend at the moment is for the governments of countries with popular ccTLDs to put the squeeze on their registry operators, but neither the UK nor Mauritius has a direct governance or contractual relationship with .io.

.io sells $40 million of domains after massive uptick

Kevin Murphy, September 30, 2024, Domain Registries

.io is now a $40-million-a-year domain, after a few years of impressive growth, judging by the registry’s latest financial reports.

UK-based Internet Computer Bureau, a subsidiary of Identity Digital, recently reported turnover of £29.6 million ($39.6 million) for 2023, up 13.9% on the £26.1 million it reported in 2022.

While that’s respectable growth, it pales compared to 2022 (which I don’t think was reported at the time), when turnover was up a whopping 59%.

Identity Digital does not reveal .io’s registration numbers, but with turnover of over $39 million and retail renewal prices bottoming out at around $39 a year, it seems quite possible that the TLD’s domains under management has reached seven digits.

When Afilias paid $70 million for ICB in 2017, it had turnover of $7 million and domains were reported at 270,000.

ICB’s gross margins are terrible — one can only assume its registry services deal with Identity Digital is rather generous to its parent — at 4.4%, with £28 million being paid out as cost of sales.

With another £3 million of unelaborated “administrative expenses”, ICB reported a 2023 net loss of £404,000 compared to a 2022 profit of £1.7 million. It paid £17,660 in UK tax, down from £277,703. It had just $69,000 cash on hand at the end of the year.

While ICB also runs .ac (Ascension Island) and .sh (Saint Helena, Ascension and Tristan da Cunha), it’s only .io that has seen broad uptake among the global domain-registering public. Tech firms like it because I/O means “input/output”.

.io is the ccTLD for the contested British Indian Ocean Territory, also known as the Chagos Archipelago, which is administered from the UK and used almost exclusively to house a strategically important US military base.

“Crimes against humanity” claims against Afilias

Kevin Murphy, August 4, 2021, Domain Registries

Donuts subsidiary Afilias has been accused of participating in “crimes against humanity” and imperialist “apartheid”, due to its management of the contested .io ccTLD.

A London-based lawyer has filed a complaint with the Organization for Economic Cooperation and Development, seeking either the redelegation of .io or a big chunk of its profits.

The complaint was filed on behalf of Crypto Currency Resolution Trust (CCRT), representing people allegedly ripped off by cryptocurrency scams on .io domains, and the Chagos Refugees Group UK (CRG UK).

The latter group represents some of the people forcibly deported from the Chagos Islands in the 1970s, when the British government evicted the entire native population to make way for a US military base on Diego Garcia, the largest island.

The islands were renamed the British Indian Ocean Territory and, in the early days of the DNS, became eligible for the ccTLD .io

The TLD was delegated by IANA to Paul Kane’s London-based outfit Internet Computer Bureau in 1997, in the pre-ICANN days when such decisions were made without very much oversight.

ICB was quietly bought by Afilias for $70 million in 2017, as I broke the following year.

In 2019, the International Court of Justice ruled that the UK’s continued administration of BIOT is unlawful, and that the territory should be returned to the Chagossians, but the current Conservative UK government has shown no indication that it plans to abide by that ruling.

The lawyer for the Chagossians, Jonathan Levy, now claims in his OECD complaint that for Afilias to continue to run .io — which he reckons brings in over €10 million a year — amounts to a human rights abuse in violation of OECD guidelines.

The complaint states:

The British military occupation of the Chagos Archipelago has been severe and resulted in the Chagossians wandering the globe as a displaced people deported from their homeland in a forcible exile reminiscent of British tactics also used on Irish home rule advocates in the 19th Century. It is just simply an outrage that an Irish multinational company is deliberately complicit in crimes against humanity and apartheid on behalf of one of last vestiges of British imperialism and apartheid.

While Levy recognizes on his blog that Afilias has been acquired by US-based Donuts, only Afilias and its subsidiaries in the UK and Ireland are named as respondents.

In a second prong of the attack, Levy claims that Afilias is somehow complicit in cryptocurrency frauds carried out using .io domains.

Blaming a registry for the actions of its registrants is pretty tenuous. Imagine if Verisign got blamed for every nefarious action carried out with a .com domain — there would not be enough lawyers in the world to handle that workload.

But Levy reckons .io is a special case because BIOT lacks law enforcement and because Afilias promotes .io as the best TLD for tech companies “knowing full well” it is often used for crypto fraud. The complaint reads:

Complaina[n]ts submit that while other general purpose domains like GLTD .com may have as much or even more crypto fraud, ccTLD .io is an exception because it represents a political entity with no permanent population and no companies law and no law enforcement. Consequently, unlike ccTLD .com or .net where US authorities may seize websites; .io criminals have little to fear as BIOT has no civil police force nor financial intelligence unit. ICB has promoted ccTLD .io to the tech community knowing full well it will be misused by a significant criminal element specializing in crypto assets.

This still feels pretty tenuous to me. You cannot evade the long arm of the law simply by registering on offshore domain.

Still, Levy’s asking for restitution in the form of a percentage of the ICB acquisition price, ongoing and backdated royalties from the sale of .io domains and, failing that, redelegation of the ccTLD to the Chagossian people.

While I think the notion of Donuts/Afilias actively abusing human rights is pretty weak, there’s no denying it’s the beneficiary of an historical wrong. Imagine how many credibility points it could earn by voluntarily negotiating a profit-share with the displaced Chagossians.