Head office
Buda
Detrekő utca 3/a
Törökvész, 1022 Budapest
Hungary
Strategy, governance and client workshops. Visits by appointment.
Open in mapsAbout
About us
We are an applied AI consultancy based in Budapest. We help mid-sized companies decide where AI is worth it, build the systems that prove it, and put the rules and skills in place to run them well.
60+
engagements delivered since 2021
83%
of pilots taken through to production
11
countries where our systems run
14
people across two Budapest offices
Why we exist
Every engagement is designed to outlive us.
Zephyr Consulting was founded in 2021 by people who had spent years in operations consulting and machine-learning engineering, and who kept meeting the same situation: a capable company, a real problem, and an AI project that had produced a demo and nothing else.
We set up the firm to do the unglamorous part well. We measure before we build. We connect to the systems you already run. We plan for the moments the model is wrong. And we hand over everything, so the result belongs to you and keeps working after we leave.
We take no commission from any vendor, we quote fixed fees, and we write in plain language. Most of our work comes from clients who have worked with us before.
Our workThe team
The people behind the work.
Fourteen people across two Budapest offices. Every engagement is led by a senior person who stays on it from the first workshop to handover.
Managing Partner
Leads the firm and most strategy engagements. Fifteen years in operations consulting before founding Zephyr.
Head of Delivery
Runs every build from pilot to handover and is the person clients call when something needs deciding.
Principal, AI Strategy
Opportunity mapping, business cases and board work, mainly for financial services and healthcare.
Lead ML Engineer
Model selection, evaluation and the hard parts of retrieval. Sets the engineering standards for the studio.
Automation Engineers
Four engineers who build agents, integrations and review tools, and keep them running in production.
Data Engineers
Two engineers responsible for pipelines, permissions and private deployments.
Governance & Privacy Lead
A qualified privacy professional who leads AI Act readiness, policies and impact assessments.
Learning Lead
Designs and delivers training in Hungarian, English and German, built on each client’s own work.
What we hold to
Principles(7)
- (001)
Start from a number
Every engagement begins with a baseline someone in finance would recognise. If we cannot measure it, we do not build it.
- (002)
People stay in the loop
We design for the moment the system is wrong: thresholds, review queues, logs and a clear way to override.
- (003)
You own everything
Code, prompts, test sets and documentation are yours on the day they are written. No licences, no lock-in.
- (004)
Vendor-neutral
We take no commission or referral fee from any model provider or software vendor, and we say so in the contract.
- (005)
Fixed fees, in writing
Each phase has a fixed price and a defined output. If we overrun, that is our cost.
- (006)
Plain language
Reports a director can read in a sitting, training a dispatcher can use the next morning.
- (007)
Your data stays yours
EU hosting by default, private deployment where the work requires it, and never any training on your data.
Where to find us
Offices(2)
Delivery studio
Pest
Harmat utca 172–188
Újhegy, 1108 Budapest
Hungary
Engineering, data and build teams. Deliveries and couriers to this address.
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Tell us what you are trying to fix, in a few lines. We reply within one working day with questions or an outline of how we would approach it.
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Head office
Delivery studio