aiservicescompanies

Best AI application development firms

Firms that design and build custom AI products, assistants and features, often for companies without an in-house AI team.

Updated October 2026

#FirmHeadquartersBest forScore
1deepsense.aiWarsaw, PolandCompanies that want an experienced applied AI team for LLM, agent or predictive work, often over several years.7.6
2AE StudioNot published by the firmCompanies that want a senior product team to build an AI product or agent and care about safety and model behavior.7.2
3Tribe AINew York, New YorkCompanies that want a scoped AI build from experienced engineers without first hiring a full-time AI team.7.1
4NetguruPoznań, PolandCompanies that want one partner for product design, engineering and AI features, especially in commerce.7.1
7.6/10

deepsense.ai

AI application development · Warsaw, Poland

Applied AI firm working since 2014 that builds LLM, agent, computer vision and predictive systems for clients and publishes research and open-source tools.

7.2/10

AE Studio

AI application development · Not published by the firm

Product studio founded in 2016 that builds production AI for companies and runs an AI alignment research arm that works with DARPA and Anthropic.

7.1/10

Tribe AI

AI application development · New York, New York

AI services firm, founded in 2019, that builds AI products and systems for companies using forward-deployed engineers drawn from a vetted network of AI specialists.

7.1/10

Netguru

AI application development · Poznań, Poland

Poznań software house, founded in 2008, that has added AI development, AI agents and forward-deployed engineers to its product design and engineering services.