Custom Software Development
End-to-end product builds for startups and large companies, including AI engineering.

Vention is an AI-enabled software development company headquartered in New York, with sales offices in San Francisco, London, Berlin, Vienna and Limassol and engineering hubs across Poland and Lithuania. Its site reports more than 20 years in business and a global team of 3,000+ engineers, designers and specialists. The company positions its offer around “AI-enabled, human-led” teams that can start in under two weeks, and says its clients have gone on to 20+ IPOs and 10+ unicorn exits.
Services run from custom software development, legacy modernization, web and mobile development and QA to DevOps and cloud consulting, delivered through staff augmentation, dedicated teams or full project outsourcing. Its industry pages cover fintech, healthtech, edtech, proptech, adtech, foodtech, automotive, e-commerce and AI. Named voices on its site include Postman and Sperry Rail, and its leadership page lists co-founders Sergei Kovalenko (CEO) and Andrey Kulgachev (CIO) alongside a full executive team.
Vention is an AI-enabled software development company headquartered in New York, with sales offices in San Francisco, London, Berlin, Vienna and Limassol and engineering hubs across Poland and Lithuania. Its site reports more than 20 years in business and a global team of 3,000+ engineers, designers and specialists. The company positions its offer around “AI-enabled, human-led” teams that can start in under two weeks, and says its clients have gone on to 20+ IPOs and 10+ unicorn exits.
Services run from custom software development, legacy modernization, web and mobile development and QA to DevOps and cloud consulting, delivered through staff augmentation, dedicated teams or full project outsourcing. Its industry pages cover fintech, healthtech, edtech, proptech, adtech, foodtech, automotive, e-commerce and AI. Named voices on its site include Postman and Sperry Rail, and its leadership page lists co-founders Sergei Kovalenko (CEO) and Andrey Kulgachev (CIO) alongside a full executive team.
Vention suits funded startups, scale-ups and enterprises that need sizeable engineering capacity quickly, across US and European time zones. Buyers with very small budgets or single-developer needs may find its scale more than they require, and AppsInsight has no verified client reviews for it yet, so the outcome figures above are the company’s own and not independently checked.
Its headquarters is at 575 Lexington Avenue, New York, with sales offices in San Francisco, London, Berlin, Vienna and Limassol, and engineering hubs in Poland and Lithuania.
Its site reports a team of 3,000+ people and more than 20 years in business.
Staff augmentation, dedicated teams and full project outsourcing, plus packaged options for startups, large companies and AI companies.
Its site names Sergei Kovalenko as co-founder and CEO and Andrey Kulgachev as co-founder and CIO, with Marc Karasu (CMO), Anna Martynenka (VP of Business Development) and Mikhail Linnik (VP of Software Engineering) among the executive team.
End-to-end product builds for startups and large companies, including AI engineering.
Modernizing existing systems for performance and maintainability.
Product design and engineering across web and mobile stacks.
Dedicated QA as part of delivery or standalone.
Cloud architecture and DevOps on AWS, Azure and Google Cloud.
Industries the company works in, with a short description for each.
Financial products and platforms, from startups to enterprises.
Software for healthcare products and providers.
AI engineering and products for AI-native companies.
Commerce platforms and retail software.
Co-founder & CEO
Co-founder & CIO
CMO
VP of Business Development
VP of Software Engineering
575 Lexington Avenue, 12th Floor, Suite 118, New York, NY 10022
650 California Street, Floor 7, San Francisco, CA 94108
30 Churchill Place, London, E14 5RE, United Kingdom
Neue Schönhauser Straße 3-5, 4. OG, 10178 Berlin, Germany
Gertrude-Fröhlich-Sandner-Strasse 2-4, Tower 9, 1100 Vienna, Austria
Makarios Avenue, Kanika Complex - Apollo A, 327K, 3106 Limassol, Cyprus
AppsInsight editorial review. Vention is a strong fit for startups and enterprises that want large, AI-enabled engineering teams with a long delivery record. Strengths: 20+ years in business, a 3,000+ person team across the US, UK, DACH, Poland, Lithuania and Cyprus, client outcomes its site describes as 20+ IPOs and 10+ unicorn exits, and named testimonials from Postman and Sperry Rail. Limits: its scale favors funded companies over very small projects, and AppsInsight has no verified client reviews for it yet. We will add a score once verified reviews exist.
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