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Internal Communications Tool

HR's AI internal comms assistant. 

Thesmia.ai is an AI Internal Comms Tool built specifically for HR teams. Think ChatGPT or Perplexity, but with HR, Marketing, and Change Management expertise baked in.

Watch thesmia in action

What HR professionals think of Thesmia.ai 

We're built to take the pressure off busy HR professionals who are tired of writing, chasing, and re-writing internal comms. Unlike generic AI tools, it’s trained specifically in HR strategy, change management, and internal communications,  so it understands the nuance of what you do.
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Ask Questions

Ask specific HR comms questions.

Most AI tools store your chat history in their cloud. In Thesmia’s free version, your sensitive conversations stay in your browser. Even we can’t see them.

If our cloud were breached, attackers would see our playbooks, not your internal HR discussions.

Thesmia HR Tech questions

Align your HR tech or accreditation rollouts with smart, structured comms.

Thesmia.ai syncs your internal messaging with the rollout of platforms like HiBob, Lattice, CharlieHR, even accreditations like Investors in People. Just tell it what you’re implementing, and it builds a tailored comms plan aligned to each phase, feature and stakeholder touchpoint. Less time writing, more time making it land.

Thesmia Security Image

Built with security in mind from the get go.

Most AI tools store your chat history in their cloud. In Thesmia’s free version, your sensitive conversations stay in your browser. Even we can’t see them.

If our cloud were breached, attackers would see our playbooks, not your internal HR discussions.

Managers and Employees-1

Get support with employee and manager comms. 

We get that employees and managers make or break HR programme roll-outs. We've designed specific playbooks to get to the route of any challenges you're facing in that department so we can work it out together. 

Resources

Want to learn more about internal communication strategy, manager engagement best practice, or leadership alignment in HR? Explore our blog and prompt examples or sign up for a live walkthrough.
 
 
Explore now

Frequently Asked Questions

What exactly does Thesmia do?

Thesmia is a prompt-powered internal comms tool designed specifically for HR teams. It gives you strategic, ready-to-use prompts for everything from launching HR tech to engaging employees and securing leadership buy-in—so your comms don’t just inform, they land.

How is this different from using ChatGPT or another AI tool?

Thesmia is built for HR, not general use. It combines AI with expert HR and internal comms knowledge, giving you tailored prompts, comms plans, timelines and engagement strategies. We also use UK English, internal audience tone, and HR-specific best practice.

What kind of content will Thesmia create for me?

Once you respond to the prompts, Thesmia can write:

  • Comms plans and timelines

  • Employee, manager and SLT messages

  • Slide decks for exec buy-in

  • Engagement nudges and reminders

  • Survey and feedback form copy

  • Video scripts and more

Can Thesmia help with more than one audience?

Yes! Every prompt is audience-aware—so you’ll get comms tailored to employees, managers and senior stakeholders. We help you build trust, create clarity, and drive adoption across the board.

Can I track engagement or success through Thesmia?

Thesmia can suggest tools and metrics to track success (e.g. using Loom view rates, Typeform responses, Slack reactions). While we don’t host analytics directly, we help you embed engagement and measurement into your comms plan.

What kind of HR rollouts can I use this for?

Pretty much any HR initiative, including:

  • Performance management

  • Engagement platforms

  • Wellbeing programmes

  • Onboarding and offboarding

  • Investors in People accreditations

  • Payroll or HRIS migrations
    And even if you’re using Excel and Word, we’ve got prompts for that too.

What tools does Thesmia work well with?

We often recommend combining our prompts with tools you already use like:

  • Slack / Microsoft Teams

  • Loom (video intros)

  • Typeform or Google Forms (feedback)

  • Notion or SharePoint (resource hubs)

  • PowerPoint / Google Slides (decks)

Is this tool written in UK English?

Yes! Every prompt and response is written in clear, culturally-relevant UK English.

What if I don’t know how to brief AI?

That’s what we’re here for. Our prompts guide you with smart questions so you can give the right info without needing to be an AI expert. You’ll never get stuck or waste time.

Can I export the comms or decks Thesmia creates?

Yes. Once the prompt has generated content, you can easily copy it into your usual formats (Docs, Slides, Word, PowerPoint).

Is Thesmia secure?

Thesmia is hosted on SOC 2 / SOC 3–audited infrastructure (Railway, with servers in the Netherlands) and built on an ISO 27001–compliant open-source stack. We do not use customer data for training purposes. Access to the database is restricted to our DevOps engineer role and only when necessary to maintain, secure, or update the platform. All software is regularly updated with the latest security patches. For detailed security questions, contact emma@thesmia.ai