Slack has long been the default choice for internal company communication, and by extension, many HR and onboarding tools have been built around it. But Telegram is quietly becoming the preferred channel for a growing number of distributed teams — and for onboarding specifically, the two platforms behave very differently.
The core difference: who's already there
Slack works best when the entire company already lives inside Slack — channels, integrations, notifications, all centralized. Onboarding through Slack makes sense if your new hire will be spending all day, every day, inside it anyway.
Telegram works differently. It's rarely the internal tool of large enterprises, but it's often already installed on a new hire's phone before they've even accepted the job offer, especially outside North America and Western Europe. That single fact changes the onboarding calculus: with Telegram, you're not asking someone to adopt a new tool for the sake of onboarding — you're using one they already have.
Where Slack wins
Where Telegram wins
Which one should your company choose?
The honest answer depends less on which platform is "better" and more on where your team already is. If your company is Slack-native — meetings, project management, internal chatter all happening there — building onboarding inside Slack reduces friction. If your team (or the talent pool you're hiring from) already treats Telegram as its default communication layer, forcing onboarding into Slack adds an unnecessary extra step for someone who hasn't even started the job yet.
A growing number of remote-first, globally distributed, and Telegram-native companies are choosing Telegram specifically because onboarding is often a new hire's very first interaction with the company — and first impressions matter. A conversational, no-download-required experience tends to land better than a corporate portal.
The takeaway
There's no universal winner here. The right platform is the one your new hires are already comfortable with — and increasingly, for distributed and global teams, that's Telegram.