GMO Aozora Net Bank Brand Guidelines: A 1994 Trust Bank Reborn as a Shibuya Tech Bank

A 1994 trust bank under a new name.

GMO Aozora Net Bank opened for internet banking in 2018, but the company behind it is older. It was established on 28 February 1994 as Nissaigin Trust Bank, the trust-banking arm of Nippon Credit Bank, and opened for business on 1 April 1994, the bank’s company profile says. After its parent failed and was sold — Nippon Credit Bank is now Aozora Bank — it was renamed Aozora Trust Bank in January 2001, Japanese Wikipedia says; aozora is Japanese for “blue sky.”

Japanese Wikipedia records an earlier plan to turn the trust bank into an internet bank: a business and capital tie-up with Yahoo Japan agreed in 2005, which was called off in February 2006. In June 2016, after Aozora Bank had repaid its public funds, the trust bank formed a capital and business alliance with Aozora Bank and GMO Internet to run an internet bank together; the next month GMO Internet passed half of its stake to the group’s financial holding company, now GMO Financial Holdings.

The company took its present name on 1 June 2018 and moved its head office to Shibuya. Internet banking began on 17 July 2018, and on 1 October 2018 its trust business passed to Aozora Bank, the company says. Since December 2019 the head office has been in the Shibuya Fukuras building, Japanese Wikipedia says. The company profile lists Aozora Bank with half of the shares and GMO Internet Group and GMO Financial Holdings with a quarter each, while Aozora Bank holds more than 85 percent of the voting rights.

An “engineer-first” bank from Shibuya.

The bank describes itself in technology terms. Its corporate vision reads, in translation, “Everything for our customers: aiming to be the No.1 technology bank,” and its mission statement promises five values: reassurance, speed, low cost, convenience and new experiences. The chairman’s message on its website describes in-house system development and an “engineer-first” company, calls the bank a “net-venture bank from Shibuya,” and says it takes being called “un-bank-like” as a compliment.

Much of its work is with businesses. Japanese Wikipedia cites a December 2024 interview in which the then president said the bank had put its weight on corporate customers. Its BaaS byGMOあおぞら service lets other companies build bank functions such as payments and transfers into their own apps and workflows; the company says it has passed 1,000 contracts for the service. In April 2020 it began offering sunabar, a free test environment for its bank APIs, which the bank says any account holder can use. The company profile lists memberships including the Fintech Association of Japan and FINOLAB, a fintech centre in Tokyo.

For personal customers, a Diamond Zai guide to the bank describes a cash card with a Visa debit function, “tsukaiwake” sub-accounts for keeping money for different purposes apart, and a linked account with GMO Click Securities that raises the savings rate. The bank’s loyalty tiers are named after a character: customer stages run from “1 Techma-kun” to “4 Techma-kun,” and the bank’s list of social accounts includes one on X for Techma. At launch the bank also announced a “high-security” debit cash card, developed with the American company Dynamics, on which the middle eight digits of the card number could change at the press of a button; in March 2019 it postponed the card, and Japanese Wikipedia says no new date had been given as of 2025. Since May 2023 customers have been able to withdraw cash by smartphone at Seven Bank ATMs, Japanese Wikipedia says.

Digital and retail-group banks.

Japan’s internet and retail-group banks present themselves mostly through screens rather than branches. Sony Bank opened in 2001 with a service website, MONEYKit, instead of a branch network, and Rakuten Bank, which began in 2000 as eBANK Corporation, calls itself an internet-only bank. Their pages are organised around everyday tasks: deposits in yen and foreign currencies, card and home loans, investment trusts and, more and more, apps and account opening by smartphone.

Many carry the name of a larger consumer group. Rakuten Bank took its parent’s name in 2010, and Sony Bank belongs to Sony Financial Group. The banks set a Japanese name beside a Latin one — 楽天銀行 with Rakuten Bank, ソニー銀行 with Sony Bank — so the same name has to work in two scripts on cards, apps and statements.

Cash is still part of the picture, and it is reached through other companies’ machines. Rather than building large ATM networks of their own, these banks connect to machines in convenience stores and other banks: Rakuten Bank’s 2010 tie-ups with E-net and Lawson put its cards into FamilyMart, Ministop and Lawson stores, and Sony Bank’s history lists connections with Seven Bank, Lawson, E-net and Aeon Bank. Card faces have become a place for character illustration, as with Sony Bank’s PlayStation and PEANUTS designs.

Behind the consumer pages sits a more formal layer of disclosure sections, press releases and investor documents. This guide sets out what can be checked about each bank — who set it up, who owns it and when its name changed — and marks clearly what rests on the bank’s own word.

Two parents in one name.

The name joins the two parents: GMO, the Shibuya internet group, and Aozora, the bank whose trust arm the company once was. The company profile gives the Japanese name, GMOあおぞらネット銀行, alongside the English GMO Aozora Net Bank, Ltd.

The bank has reported operational incidents. On 30 September 2024 a fault in its bulk-transfer system sent incorrect amounts to recipient accounts; the bank worked with the receiving banks to reverse the payments and send them again, Japanese Wikipedia reports, citing the Nikkei. In October and November 2026 it published notices saying that a cyber attack reported at another GMO Internet Group company concerned a separate company with separate systems. On 10 November 2026 it said it had temporarily suspended its bank API service as a precaution after detecting unauthorised outside traffic to part of its API platform, that it had found no leak of personal data or unauthorised outflow of funds.

For a design guide, GMO Aozora Net Bank shows how a joint venture can put both parents in its name and still present itself as a young technology company. Compare Seven Bank, whose ATMs its customers can use by smartphone, and SBI Shinsei Bank, which held integration talks with Aozora Bank from 2009 to 2010. For this guide we use sky blues, a pale cloud tone and a lime accent with a rounded sans, an unofficial interpretation; no product or logo is reproduced.

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