LLM development · Berlin

LLM development company in Berlin

GDPR-first, fully documented and hosted in the EU, with a senior team working your morning hours.

Clarigo Infotech is an LLM development company that builds custom applications on large language models such as OpenAI GPT, Anthropic Claude, Google Gemini and open-source models like Llama. We design the prompts, retrieval, tools and guardrails, connect the model to your data and systems, and run it in production with monitoring, evaluation and cost control.

German companies most often hire us for enterprise software, manufacturing and Industry 4.0 solutions, and GDPR-compliant AI.

Share

10+

Years of delivery

600+

Projects delivered

20+

Countries served

25-30

Days to a live MVP

Get a free consultation

Tell us what you need. A senior engineer replies within one working day.

No obligation. We reply within one working day.

What matters to Berlin teams

Privacy, quality and clear documentation

European teams tell us they want a partner who treats data protection and quality as the starting point, not an add-on. That is how we work.

01

GDPR by design

Data minimisation, consent, EU hosting and a signed data processing agreement before any personal data is touched.

02

Documentation you can audit

Written specifications, architecture notes, test reports and handover documents, so your team or auditors can follow every decision.

03

Accessible by default

Interfaces built to WCAG guidelines, helping you meet the European Accessibility Act for digital products and services.

04

Predictable contracts

Fixed scope and price, clear milestones and acceptance criteria, and full ownership of the code and IP.

What we do

What we build with LLMs

Custom LLM applications

Assistants, copilots and internal tools built around your workflows, not a generic chat window.

LLM integration

Add GPT, Claude or Gemini to your existing product through secure, well-tested APIs.

Open-source and private models

Deploy Llama and other open models on your own cloud when data must stay in-house.

Fine-tuning and evaluation

Tune models on your examples and measure accuracy with test sets before and after launch.

Guardrails and safety

Input and output filtering, PII masking, grounding checks and human review where needed.

Cost and latency optimisation

Model routing, caching and prompt design that keep responses fast and bills predictable.

In depth

How we approach LLM development

Choosing the right model

There is no single best model. We compare OpenAI, Claude, Gemini and open-source options on your real tasks for accuracy, speed, cost and data handling, and design the app so the model can be swapped later without a rewrite.

Grounded in your data

Most business value comes from connecting the model to your documents, databases and tools. We use retrieval (RAG), function calling and agents so answers come from your information and actions happen in your systems.

Built for production, not demos

We add evaluation test sets, logging, monitoring, rate limits, fallbacks and cost alerts from day one, so the app keeps working well after launch and you can see exactly what it is doing.

Security and compliance

Data minimisation, encryption, access control and providers configured not to train on your data. For healthcare we build to HIPAA requirements with BAAs in place for any service that touches PHI.

Working with us from Berlin

How we work with Berlin clients

Time-zone overlap

Central European and Indian working days overlap by three and a half to four and a half hours, so your team is online for stand-ups and calls every morning your time.

The GDPR and the German Federal Data Protection Act (BDSG)

We design to the GDPR and BDSG: data minimisation, clear consent, access controls, encryption, data hosted in Germany or the EU, and a data processing agreement (AVV) signed before work starts.

Billing

Invoices in euros (EUR) or US dollars. Typical senior rates are $25 to $49 (USD) per hour, or a fixed price for a defined scope.

Sectors · Berlin

Built for Berlin's key sectors

Berlin startups use us for SaaS MVPs, AI products and senior engineering capacity, built to the GDPR with data hosted in Germany or the EU.

Automotive

Carmakers and suppliers shift to software-defined vehicles. AI here usually means faster reporting, fewer manual steps and better customer replies.

Industrial manufacturing

Mittelstand firms adopt Industry 4.0 and predictive maintenance. We start with one costly process and automate it end to end.

Mechanical engineering

Machine builders add IoT portals and digital services. We build AI agents, assistants and automation around these workflows.

Chemicals and pharma

Process industries automate lab, quality and compliance workflows. AI here usually means faster reporting, fewer manual steps and better customer replies.

Berlin time · Berlin

Meetings in your time zone

Our team's hours, in Berlin time

05:30–15:00

Monday to Friday

Overlap with your working day

09:00–15:00

About 6 hours every day

Daily stand-up

09:30

Berlin time, plus written updates every evening

Local setup

What we set up for Berlin

Messaging channels

WhatsAppEmailLinkedIn

Languages

GermanEnglish

Local payments

PayPalSEPA Direct DebitKlarna

Data hosting

AWS Europe (Frankfurt), Google Cloud europe-west3 (Frankfurt) and europe-west10 (Berlin), in your own cloud account, so data stays where your rules require.

Process

How it works

Week 1: discovery and design

We agree the use case, success measures and data, and show you a clickable design.

Weeks 2-3: build and integrate

We build, connect it to your systems and data, and demo working software every week.

Week 4: test and launch

We test with real cases, add monitoring and guardrails, then go live.

After launch: improve and scale

The same engineers keep tuning quality, cost and features as usage grows.

FAQ

LLM development company: questions from Berlin

Do you work with companies in Berlin?+

Yes. Clarigo Infotech works with companies across Berlin, including Berlin, Potsdam, as part of clients in 20+ countries. German companies most often hire us for enterprise software, manufacturing and Industry 4.0 solutions, and GDPR-compliant AI. We work remotely from India with one in-house team.

What time-zone overlap do we get from Berlin?+

Central European and Indian working days overlap by three and a half to four and a half hours, so your team is online for stand-ups and calls every morning your time.

How do you handle the GDPR and the German Federal Data Protection Act (BDSG)?+

We design to the GDPR and BDSG: data minimisation, clear consent, access controls, encryption, data hosted in Germany or the EU, and a data processing agreement (AVV) signed before work starts.

Which currency do you bill in, and what does it cost?+

We bill in euros (EUR) or US dollars. Senior engineers typically cost $25 to $49 (USD) per hour, and fixed-scope projects such as an MVP in 25 to 30 days are quoted after a free consultation.

Do you support WhatsApp?+

Yes. Customers in Berlin often prefer WhatsApp and Email and LinkedIn, so we connect chatbots, notifications and support flows to them.

Do you work with automotive companies?+

Yes. Automotive is one of Berlin's key sectors, and we start with one costly process and automate it end to end.

What time are your meetings in Berlin time?+

Our team works 05:30–15:00 Berlin time, so we overlap with your day from 09:00–15:00. Daily stand-ups are usually at 09:30 your time.

How long does it take to build an LLM application?+

A focused LLM app for one workflow typically goes live in 25 to 30 days. Larger platforms are delivered in phases.

How much does LLM development cost?+

Cost depends on scope, integrations and usage. We give a scoped quote after a free consultation and explain both build cost and monthly running cost.