
For clients · Built around people
Human expertise.
Better AI.
The next leap in AI needs people who know their field. Bring your opportunities to the specialists who can move them forward.
For AI labs, talent platforms and ambitious teams.
The human advantage
Intelligence moves forward.
Expertise leads the way.
A convincing answer is not always a correct one. People with deep domain knowledge see the missing context, ask the harder questions, and recognise what great work looks like.
Tier1 brings specialist AI opportunities into one place. Let’s talk about how yours can be part of it.
Engineering & code
From working software to rigorous technical reasoning.
Medicine & health
Clinical knowledge grounded in real-world practice.
Science & research
Deep subject knowledge. A researcher's eye for detail.
Law & policy
The context and judgement that complex questions demand.
Finance & business
Analytical thinking with a practical understanding of markets.
Language & culture
Local nuance that goes well beyond a translation.

Beyond the obvious answer
Built for the work
that needs a human.
From evaluating a model’s reasoning to creating examples rooted in real expertise, the quality of AI depends on the judgement behind it.
- Expert feedback & evaluation
- Specialist knowledge & reasoning
- Language & real-world context
A simple place to start
Your next chapter.
One conversation away.
Have an open role, a platform to introduce, or a new idea for working together? We’d like to hear it.
- 01
Start with your challenge.
Tell us what you are building, which specialists you need, and what good work looks like.
- 02
Find the right way forward.
Together, we explore how your roles or platform could reach the right audience through Tier1.
- 03
Make the opportunity clear.
Bring the scope, rates and requirements into focus, so experts can decide whether the work fits.
Let’s build what comes next
Better AI starts
with the right people.
Tell us what you’re working on.
Let’s find where human expertise can take it.

