When I first noticed it, I thought I had misheard. Leaning into a corner table at a wine bar close to Bishopsgate, two men in dark suits were speaking what sounded like a code. A brown-colored tumbler was in one of their hands. The other was holding a phone, screen down, against his thigh. It took a moment for the penny to drop as the words rolled in that specific melodic manner, with long vowels and rapid consonants. Welsh. Two bankers were wrapping up what appeared to be a lengthy discussion in Cymraeg on a Tuesday in the middle of the city.
It’s the kind of thing you start noticing everywhere after you first notice it. The moment a fellow Welsh speaker enters the elevator, a managing director from a Cardiff suburb switches dialects. The KC at a room off Fleet Street, whose voicemail greeting is in English second and Welsh first. networks that are maintained covertly but aren’t truly secret. Despite its talk of global capital and meritocracy, the City of London seems to still rely on these tiny linguistic tribes, with the Welsh-speaking one being one of the most underappreciated.
The figures are not very large. Anecdotally, there are probably a few hundred fluent professionals working in the banking, legal, insurance, and accounting industries. However, fluency acts differently than a degree or a postcode in this situation. It’s a soft credential of sorts. After exchanging a few words at a Lord Mayor’s reception, you quickly establish a shared chapel back home, a rugby club, or a cousin who married someone you both attended school with. Investors seem to think that this kind of warmth translates into trust, and trust is the only currency that truly compounds in the deal world.
People are unaware of how old the infrastructure is. Since the middle of the 20th century, the London Welsh Centre on Gray’s Inn Road has attracted displaced speakers, and the chapels date back even further. Eisteddfodau, choirs, and late Sunday lunches. The majority of the city might not be aware that this scaffolding is there. Those who do know might also like it that way. When I asked a senior solicitor I spoke with last year, who was born in Carmarthenshire and had worked in magic circles for about twenty years, if speaking Welsh had benefited his career, he laughed. “Helped is the wrong word,” he remarked. “It just means I never quite feel alone in a room.”
That line stuck with me. For those who are not part of Oxbridge’s established prep schools, home counties, or standard pipelines, the city can be a lonely place. Ironically, a small language makes a large space seem smaller. It’s difficult to ignore the similarities with other low-key networks that are now organizing themselves more prominently. For example, the City Muslim Network has established a steering committee made up of senior solicitors, finance partners, and aldermanic sponsors because, in 2026, being invisible no longer offers the same level of protection.
It’s unclear if the Welsh-speaking network will ever take that route. It’s likely that some of its members would detest the concept. They would contend that the whole point is that it is merely a language used by those who happen to share it, not a network at all. However, you get the impression that something is changing as you watch this develop over the last few years. Communication is being flattened by AI. Younger bankers use WhatsApp more often than they talk. The rarest resource of all might be a language that requires breath and a real human being at the other end of the table.
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