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In 2026, New York City has firmly established itself as one of the most dynamic hubs for AI development services and mobile app development in the United States. From global consultancies helping Fortune 500 companies scale AI to agile development firms crafting intelligent mobile apps and automation platforms, the Big Apple attracts top talent and innovation alike. Whether you’re a startup seeking custom AI systems or an enterprise ready for digital transformation, these top 10 AI development companies in New York should be on your radar.

1. Dev Technosys – Full-Stack AI & Mobile Solutions

Dev Technosys is a technology development firm providing custom AI development services, mobile app development, and software engineering solutions. They specialize in building intelligent software systems, data-driven applications, and user-centric mobile experiences tailored to business needs. While not a giant like the other global consultancies on this list, Dev Technosys stands out for its nimble delivery model, customer focus, and ability to rapidly build AI + mobile products for startups and mid-sized enterprises.

Why It Matters in 2026: In an era where AI is democratized, companies like Dev Technosys bring flexibility and specialized engineering expertise to complement larger players.

2. Accenture – AI Strategy & Applied Intelligence

Accenture stands out for its strategic consultancy and AI development services that help organizations operationalize artificial intelligence across business functions. From ideation and prototyping to delivery and governance, Accenture’s Applied Intelligence practice focuses on delivering scalable AI solutions, automation pipelines, analytics, and transformation frameworks. It also supports mobile app development integrating predictive intelligence and personalized user experiences.

NYC Relevance: Accenture’s New York tech and innovation hubs work with financial services, media, and energy clients to embed AI into core operations.

3. Tata Consultancy Services (TCS) – Enterprise-Scale AI & Automation

TCS is one of the world’s largest IT service providers, offering comprehensive AI development services including cognitive automation, machine learning, and data-driven platforms like Ignio for autonomous enterprise operations. The company’s global delivery model spans AI strategy, analytics, engineering, and mobile app development — enabling businesses to drive digital transformation at scale.

New York Footprint: TCS serves a wide range of major U.S. clients in insurance, banking, and logistics from its consulting and development centers.

4. Wipro – Intelligent Automation & AI Integration

Wipro is known for its AI platform HOLMES, which blends cognitive computing, automation, and data analytics into enterprise workflows. Its AI development services support everything from predictive maintenance and customer insights to secure AI deployments across distributed systems. Wipro also contributes to mobile app development with AI-powered features like intelligent recommendations and automated backend services.

Why It’s Significant in NYC: Wipro’s global clients include New York-based enterprises and technology adopters — particularly in healthcare, retail, and financial services.

5. Tech Mahindra – Intelligent Solutions for Telecom & Enterprise

Tech Mahindra offers AI development services focusing on predictive systems, automation of IT operations, and advanced telecom intelligence. Its services include AI-built analytics platforms, cybersecurity automation, and cognitive customer experiences. The company also participates in mobile technologies, delivering mobile app development with integrated AI features.

NY Presence: Tech Mahindra’s global offices and partnerships position it well to support U.S. and New York clients in digital transformation initiatives.

6. LTIMindtree (LTI Mindtree) – Scalable AI & Digital Engineering

LTIMindtree (formed from the merger of L&T Infotech and Mindtree) is a global digital transformation leader offering AI development services such as machine learning engineering, advanced analytics, and intelligent automation. The company’s digital engineering teams also deliver mobile app development incorporating AI for personalization, recommendation systems, and real-time analytics.

In New York: LTIMindtree works with large enterprises across retail, travel, financial services, and healthcare to adopt AI and mobile-ready solutions.

7. Deloitte – AI Consulting & Risk-Aware Innovation

Deloitte’s AI practice blends strategy, governance, and implementation to help enterprises responsibly adopt intelligent technologies. Its AI development services include data strategy, automation frameworks, ethics and compliance consulting, and scalable deployment models. Deloitte also supports mobile app development with integrated analytics and decision support capabilities.

Impact in NYC: Deloitte’s New York offices engage with major financial institutions and corporations seeking AI-driven transformation with robust risk management.

8. EY (Ernst & Young) – AI-Powered Business Transformation

EY brings a strong consulting edge to AI development services, emphasizing AI strategy, implementation planning, and integration with business processes. EY’s AI teams focus on outcomes like enhanced operational efficiency, better decision-making with data science, and secure deployment of intelligent systems. While EY is more consulting-centric, its digital offerings include AI-augmented platforms and support for mobile app development through partnerships and delivery teams.

Business Value in NYC: EY partners with corporations and government entities in New York to scale AI responsibly across enterprise functions.

9. SAP – Embedded AI in Enterprise Applications

SAP’s AI initiatives focus on embedding intelligence within business applications — from ERP and supply chain systems to customer experience platforms. Its suite of AI development services enables companies to automate processes, forecast demand, and optimize resources using machine learning and predictive analytics. SAP also supports mobile app development through platforms like SAP Mobile Services, enabling real-time business insights on the go.

New York Enterprise Usage: SAP’s solutions are widely used by large corporations headquartered or operating in New York, especially in retail, logistics, and manufacturing.

10. IBM – Enterprise AI & Cognitive Solutions

International Business Machines (IBM) is a veteran in AI development services, data analytics, and enterprise solutions. Its flagship AI platform (Watson and WatsonX) provides machine learning, natural language processing, predictive analytics, and automation capabilities that help businesses tackle complex challenges like risk management, customer insight, and operational optimization. IBM’s AI portfolio also includes tools that support mobile app development with embedded intelligence and cloud-native backends. IBM consistently ranks among leaders in global cost to develop a chatbot and technology services.

Why It’s Top in New York: With consulting practices and research labs actively serving clients in finance, healthcare, retail, and government sectors, IBM remains one of the most trusted names for end-to-end AI solutions.

Conclusion

New York continues to lead as a global center for AI innovation in 2026, offering businesses access to world-class AI development services and mobile app development expertise. From global consulting giants like IBM, Accenture, and Deloitte to agile technology partners such as Dev Technosys, these companies help organizations turn AI ideas into real-world solutions. Choosing the right AI development company depends on your business goals, budget, and scalability needs, but each firm listed here delivers strong technical capabilities, industry experience, and future-ready digital transformation support.