AI Agent Development Companies
AI agents are systems that plan, call tools and complete multi-step work with limited supervision. Compare development companies that build and operate them, read client reviews and request quotes.
We want to fill the world with more cool and useful projects. Our superpower is web and applications development. We are happy to have been helping our clients and friends since 20…
- Min. project
- $10k+
Does your organization need a presentable website that will bring in new customers and increase online sales? We do not just make sites that are lying dead weight on the vastness o…
- Min. project
- $100+
- Portfolio
- 7
Brocoders is an outsourcing software development and consultancy company. Since its creation in 2014, the company has grown to include over 30 highly professional IT specialists. W…
- Min. project
- $3k+
- Portfolio
- 5
GERSIS Inc. is a mature provider of IT solutions and custom software development services since 1991. More than 25 years we provide our Clients with high-quality services and compe…
- Min. project
- $3k+
- Portfolio
- 3
DazzledApps is a Web App, Mobile App and Game Development Company founded in 2014 to build interactive and entertaining environment for the emerging smartphone market.We believe th…
- Min. project
- $3k+
- Portfolio
- 5
Intuz is a global custom mobile, software and cloud services company having esteemed clientele from 6 continents & 42 countries. Since 2008 we are catalysing our client’s bus…
- Portfolio
- 3
In modern and developed society, people spend most of their time in the vastness of the Internet, and our company "YUVA" will help you find the benefit and benefit for yourself. To…
“Отличная команда, сделали нам сайт. С следующего месяца начали получать заказы”— Pilmos
- Min. project
- $3k+
- Reviews
- 1
- Portfolio
- 2
We’re World class at making cool apps, but we only succeed if you succeed. We’ve grown through recommendations from satisfied customers so the overall customer experience is just a…
- Min. project
- $10k+
- Portfolio
- 2
Small Planet Digital, LLC was founded in 2009 with a mission to service clients in the smartphone and tablet space. They are located in Brooklyn, New York and currently have a full…
- Min. project
- $30k+
- Portfolio
- 4
Advance.Az is a full-cycle marketing strategy company for brand promotion and development. We work in three directions: marketing, creativity, technology. We create corporate websi…
“Заказывали интернет-магазин в агентстве. Остались положительные эмоции.”— BODYCARE LLC
- Reviews
- 1
Website development (online stores, corporate sites, finalization of projects) SEO-promotion (promotion by traffic, in the top) SMM and PPC services.
- Min. project
- $3k+
SkeekS web studio was founded in 2010. The studio provides services in website development and design, website promotion, advertising, hosting services. The studio also develops it…
- Min. project
- $100+
NetFillip is a delightfully disruptive software development company dedicated to creating ingenious solutions for Web, Mobile, Database, Jewelry E-Commerce, Cloud and Wearables usi…
Turnkey development from scratch, as well as implementation of template tools for companies and organizations related to cyber sports and online betting.
- Min. project
- $20k+
- Portfolio
- 1
Software house with many years of experience, Nonstop specializes in designing, creating, and deploying automation and optimization for B2B and B2C processes . We serve mainly, but…
- Min. project
- $3k+
- Portfolio
- 5
HWdTech LLC was founded in 2011 and now we have 15+ developers. We provide safe outsourcing services and top quality results for your business. We focus on C#, Node.JS, Javascript,…
- Min. project
- $3k+
- Portfolio
- 5
Daxx
AWith nearly 20 years of industry experience, Daxx has enabled over 300 companies from all over the world to extend their technical expertise with the help of Ukrainian tech talent.…
- Portfolio
- 7
Our offer includes telecommunications and sales services and platforms including web design, UX, CRM, Business systems, e-commerce, Mobile apps, Semantics, Web Analytics and Graphi…
- Portfolio
- 3
Peerbits is a global mobile app development company with its presence in seven countries; India, USA, Canada, UK, Saudi Arabia, UAE, and Colombia.With the holistic aim to provide i…
- Min. project
- $3k+
- Portfolio
- 5
Guru Technolabs is the web design, web development and mobile apps development company based in Rajkot, India and providing web & app development services worldwide. We have potent…
- Min. project
- $100+
- Portfolio
- 1
Trasaterra is a multi-disciplinary studio based in New York City specializing in branding, design, web development and digital strategy
- Min. project
- $30k+
- Portfolio
- 3
Vilnius
RichBrains is your trusted partner for guaranteed software delivery. We specialise in providing expert software development services tailored to the specific challenges and goals o…
We specialize in the following areas: Automation of business processes and implementation of ERP systems in enterprises and holdings. Custom software development (dedicated team fo…
- Min. project
- $20k+
- Portfolio
- 4
- Min. project
- $10k+
We invent, design and develop mobile and tablet applications for iPhone, iPad, Android, Windows Phone and Windows 8. We specialize in providing comprehensive solutions and communic…
- Portfolio
- 2
OCTOPANCE - Digital Marketing Integrator. We help businesses around the world find customers faster by integrating marketing, training and technology products. We specialize in int…
- Min. project
- $3k+
- Portfolio
- 4
Website development and mobile applications. We develop projects of any complexity Great experience in developing large projects. 100+ running projects. Qualified technical support…
- Min. project
- $100+
- Portfolio
- 4
JatApp is a full-cycle custom software development company that provides a full range of services in software development, mobile app development, web development, and staffing you…
- Min. project
- $30k+
- Portfolio
- 10
Our team has been engaged in mobile and web development since early 2013 creating custom apps for clients from all over the world. Therefore, everything that we offer as a solution…
- Min. project
- $20k+
- Portfolio
- 2
CitrusBits - helping you build your business with reliable and affordable technology solutions. At CitrusBits we can provide you with end-to-end technology solutions or handle just…
- Min. project
- $30k+
- Portfolio
- 4
Front-end, back-end, mobile development and UI/UX design – these are the first steps for any kind of startup. It may sound obvious, but we believe in magic that mobile and we…
- Min. project
- $30k+
- Portfolio
- 4
Teamvoy is a custom software development company specializing in software product and application development and IT consulting. At Teamvoy we are proud of our great people that de…
- Portfolio
- 4
Before you shortlist anyone
All calculatorsCustomer Reviews about AI agents
ХакТайка
Команда ХакТайка работает быстро и качественно. Понравился подход к работе и их внутренней экосистеме: он показал, что разработка может быть прозрачной и понятной.
Asanov Agency
Обратились к ребятам по поводу редизайна нашего старого сайта. Отрисовали и сверстали все отлично. С нетерпением ждем релиза. Спасибо за работу!
JanBask Digital Design
We had a positive experience working with JanBask Digital Design for our website redesign and digital marketing needs. Their team was professional, responsive, and easy to communicate with throughout the project. They created a modern, mobile-friendly website that improved our online presence and user experience. We also appreciated their support with SEO and website optimization, which helped increase visibility and engagement. The project was completed on time, and the team was always open to feedback and revisions. Overall, JanBask Digital Design delivered quality work and reliable support, and we were satisfied with the collaboration.
What an AI agent team actually builds
An agent is a model given tools, memory and a loop: it decides what to do next, calls an API or a script, reads the result, and repeats until the task is done or a limit is hit. The interesting engineering is not the prompt — it is what happens when a tool call fails, when the model loops, or when it confidently does the wrong thing.
- Tool and API layers. Typed, well-described functions the model can call, with validation, retries and idempotency so a repeated call cannot double-charge a customer.
- Orchestration. Planner-executor patterns, multi-agent hand-offs, and state that survives a crash mid-run.
- Human-in-the-loop controls. Approval gates on anything irreversible — payments, emails to customers, database writes.
- Evaluation and traces. Recorded runs, replayable failures and a scored test set, so behaviour can be compared release to release.
- Cost and latency budgets. Step caps, model routing and caching, because an unbounded agent loop is an unbounded invoice.
How to choose an agent development vendor
- Ask to see a trace of a real production run, including a failure and how the system recovered.
- Ask what percentage of runs complete without human intervention, and how that number is measured.
- Check the guardrails: step limits, spend limits, permission scopes and rollback for every tool with side effects.
- Confirm the framework choice is a decision, not a habit — and that you can maintain what they leave behind.
- Start with one workflow that has a clear success signal. Agents that own a single process outperform general-purpose assistants in nearly every deployment.
Frequently Asked Questions
How is an AI agent different from a chatbot?
What does agent development cost?
Are AI agents reliable enough for production?
Which frameworks do agent teams use?
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