Almost 900 million people worldwide use ChatGPT each week, and both clients and employees are likely among them. Adding a custom AI solution can turn this widespread adoption into sales and productivity growth. Below are ten ChatGPT consulting companies that can map out and execute an efficient and secure implementation.
1. Accenture
One of the biggest providers of consulting services globally, Accenture actively integrates AI into client systems as part of digital transformation and digital reinvention and its own internal practices. It can help not only with strategic ChatGPT consulting but also with integration and staff upskilling.
Accenture offers a flagship AI program that targets such client needs as customer service automation, insight collection, and optimizing workflows. The company’s collaboration with OpenAI ensures deep expertise in using advanced AI technologies for enterprise transformation.
Services & Expertise: Industrial AI, generative AI, AI strategy and value, responsible AI, digital transformation, business process optimization, cloud and managed services, cybersecurity, and performance assessment.
Technology Stack: OpenAI AgentKit, ChatGPT Enterprise, Claude Code, Claude, Microsoft Azure, AWS, Salesforce, SAP, ServiceNow, and Trusted Agent Huddle.
Industries: automotive, banking, capital markets, aerospace, and consumer goods.
Team Size: 780,000+ experts.
2. IT Craft
IT Craft is a renowned software development company with expertise across 20+ industries specializing in ChatGPT consulting services. Its engineers can work on a wide range of strategic tasks: creating a vision for a ChatGPT solution, mapping out a transformation plan, and implementing it in code.
IT Craft engineers bring 20+ years of overall expertise in delivering value-focused solutions for startups and enterprises. They can both build custom, stand-alone AI solutions or integrate ChatGPT into an existing software ecosystem — all ensuring uninterrupted business processes and high project security.
Services & Expertise: ChatGPT consulting, ChatGPT product development, intelligent automation consulting, data analysis and business intelligence solutions, API integrations, generative AI consulting, and AI chatbot development.
Technology Stack: Core Libraries & Tools: TensorFlow, PyTorch, NumPy, pandas; Generative AI & LLMs: GPT, Claude, Gemini, Mistral, Llama, Qwen; Cloud Stack: AWS Bedrock, Azure OpenAI, Google Cloud Vertex AI; LLM Techniques: RAG, fine-tuning, LoRA / QLoRA / PEFT; Frameworks: LangChain, LlamaIndex; Vector Databases: FAISS, Pinecone, Chroma; MCP Servers; Automation Platforms: n8n, Zapier, and Make.
Industries: healthcare, fintech, e-learning, e-commerce, trading, and logistics.
Team Size: 330+ experts.
Locations: worldwide (US, CA, UK, Europe).
3. Infosys
Another large provider of IT services, Infosys is capable of taking on a wide range of complex tasks, such as technology transformation, process modernization, ChatGPT integration and consulting, unlocking new technologies, and helping improve business processes.
Infosys relies on partnerships with leading IT vendors: Google, Microsoft, IBM, Adobe, and many others. The company has been a certified top employer for several years in a row and is recognized as one of the top IT services brands worldwide, reflecting the quality of its consulting services.
Services & Expertise: AI maturity assessment, language neutralization, generative AI solutions, software modernization, AI and automation consulting, applied AI, quality engineering, data analytics solutions, and conversational AI suite.
Technology Stack: Azure OpenAI, Azure Cognitive Services, Microsoft Copilot Studio, ChatGPT, Amazon Q Developer, AWS Generative AI services, Infosys Cobalt, Infosys Topaz, and Oracle Cloud.
Industries: agriculture, retail, insurance, education, and financial services.
Team Size: 330,000+ experts.
4. PwC
PwC is one of the highest-ranked Big Four consulting services with expertise in many IT aspects, including strategy, operations, technology transformation, governance, risk management, and many others. The company offers practical experience in generative AI and ChatGPT, having delivered custom GPT projects both internally and for clients.
PwC offerings emphasize modernizing workflows, managing AI governance, upskilling client teams, and more. As a reseller of ChatGPT Enterprise, it can provide experienced, dedicated ChatGPT consultants who know how to design unique solutions and seamlessly integrate them into an existing software ecosystem.
Services & Expertise: AI-driven transformation, ChatGPT consulting, ChatGPT integrations, responsible AI and governance, enterprise AI implementation, upskilling and change management, and custom AI agents.
Technology Stack: ChatGPT Enterprise, OpenAI LLMs, Azure OpenAI, Azure AI Document Intelligence, Azure AI Search, Azure Kubernetes Service, Microsoft 365 Copilot integrations, AWS Bedrock, AWS Textract, AWS S3, and Oracle Cloud.
Industries: finance, legal, manufacturing, health, media, and real estate.
Team Size: 370,000+ experts.

5. Markovate
Markovate specializes in AI and ChatGPT consulting as part of its services and has successfully delivered 50+ AI projects of varying complexity using Agile methodology. The company offers end-to-end support, from initial discovery through implementation and ChatGPT integration to expansion and support.
The firm’s consulting services cover a wide range of activities, including feasibility assessment, PoC development, AI research and strategy, audits, and more. The company emphasizes proficiency in AI and the ability to provide customized and efficient solutions.
Services & Expertise: ChatGPT integration services, generative AI development, chatbot and conversational AI systems, custom ChatGPT applications, AI consulting, enterprise AI development, and MLOps consulting.
Technology Stack: ChatGPT API and SDK, Python, Java, C++, R, TensorFlow, PyTorch, Keras, OpenAI GPT, Anthropic Claude, LLaMA, Mistral, AWS, Azure, and GCP.
Industries: finance, insurance, healthcare, construction, and business services.
Team Size: 50+ experts.
6. Distyl
Founded by former Palantir engineers, Distyl emphasizes a combination of intensive engineering and industry expertise in its service offerings. The company specializes in enterprise-level GPT professional services, helping businesses become AI-native at their core.
The company provides cross-functional teams that unite engineers, researchers, and operators who embed into client processes. Distyl partners with OpenAI, knowing how to adapt its models to client business goals. In addition, it offers its own proprietary AI platform that it uses to decrease implementation time.
Services & Expertise: ChatGPT and AI consulting, AI-native workflow development, AI agent development, AI transformation, AI integration, and custom enterprise solution development,
Technology Stack: OpenAI GPT, Python, TypeScript, AWS, Azure, GCP, Snowflake, Pulumi, GitLab, Tailscale, Java, LangChain, LlamaIndex, Guardrails, Agent SDKs, and Distillery platform.
Industries: manufacturing, supply chain, healthcare, telecommunication, and insurance.
Team Size: 130+ experts.
7. LeewayHertz
LeewayHertz delivers a wide range of AI and ChatGPT integration services, including consulting, custom development, QA, fine-tuning, and ongoing support. Its comprehensive approach to serving businesses of all sizes and levels of process maturity led to its acquisition by the Hackett Group in 2024.
The company emphasizes flexibility and proactivity in its project delivery. LeewayHertz holds compliance certifications in SOC 2 Type II, ISO/IEC 27001:2022, HIPAA, and GDPR, which can be an asset on enterprise-grade ChatGPT projects where regulatory expertise is a differentiating factor.
Services & Expertise: ChatGPT consulting service, ChatGPT integration service, GPT API integration, custom app development with GPT, chatbot integration, custom CRM/ERP/CM bot development, deployment, and support.
Technology Stack: OpenAI GPT, LLaMA, PaLM-2, TensorFlow, PyTorch, JAX, Node.js, JavaScript, Java, Express.js, R, Keras, AWS, Azure, GCP, MongoDB, Google Vertex AI, Pandas, Gemini, and Stable Diffusion.
Industries: finance, insurance, manufacturing, hospitality, and retail.
Team Size: 300+ experts.
8. IBM
One of the industry’s longest-standing companies, IBM offers hybrid cloud, AI consulting, and digital transformation services as part of its vast range of IT solutions. To meet clients’ complex AI needs, the company provides IBM watsonx, its enterprise AI development studio, as an alternative to ChatGPT, alongside other generative AI models.
IBM supports clients’ consulting needs with a dedicated Center of Excellence and a comprehensive library of AI assistants to help users build and orchestrate their generative AI solutions quickly. It also provides comprehensive assistance to those clients who prefer to run ChatGPT-based software on the IBM cloud.
Services & Expertise: generative AI strategy and consulting, AI readiness assessment, AI fine-tuning and deployment, enterprise-grade generative AI implementation, data and analytics, and cloud and hybrid deployment support.
Technology Stack: watsonx.ai, watsonx.data, watsonx.governance, watsonx Assistant, watsonx Orchestrate, IBM Cloud, Red Hat OpenShift, VMware, LangChain integrations, Microsoft Azure, AWS, Salesforce, and SAP.
Industries: manufacturing, finance, banking, logistics, and commerce.
Team Size: 285,000+ experts.
9. Master of Code
Master of Code’s generative AI and ChatGPT-related services combine strategy, solution design, development, deployment, support, and scaling within a unified cycle, while the company structures the entire engagement in a phased workflow with careful feedback evaluation after each phase.
The company focuses on such strategic tasks as creating measurable business impact, ethical compliance, and scalability. It emphasizes cultural fit and alignment with clients’ values as a key cooperation priority and takes a tailored approach dedicated to meeting identified business needs.
Services & Expertise: generative AI consulting, AI technology consulting, ChatGPT and LLM integration, conversational chatbot development, AI-powered process automation, AI governance and ethics, and managing AI transition.
Technology Stack: Rasa, OpenAI, Cohere, AWS Lex, Azure Cognitive Services, Vertex AI, Dialogflow, LLaMA 2, OpenAI GPT, LOFT, Python, TypeScript, GCP, Azure, and AWS.
Industries: insurance, travel, telecommunication, education, and supply chain.
Team Size: 200+ experts.
10. Diffco
Diffco operates as an engineering partner that can consult on the integration of cutting-edge AI technologies, including OpenAI’s ChatGPT. Its GPT services extend further: the company’s engineers can incorporate AI technologies into full-scale digital products and enterprise systems, combining AI capabilities with expertise in end-to-end web and mobile development.
The company offers a flexible approach, ensuring clients can select between a dedicated team and staff augmentation. It emphasizes cultural fit as the key to delivering high-quality solutions, along with transparent pricing and a thorough vetting process.
Services & Expertise: AI and ChatGPT consulting, AI integration, custom LLM solutions and AI agents, IT staff augmentation, AI/ML engineering and development, AI platforms, and MLOps.
Technology Stack: OpenAI GPT, Anthropic Claude, Google Gemini, Meta Llama, Mistral, Grok, TensorFlow, Keras, PyTorch, OpenCV, LangChain, LlamaIndex, Vector DBs, Amazon SageMaker, Azure AI.
Industries: manufacturing, insurance, food services, education, and social media.
Team Size: 30+ experts.

Conclusion
Selecting the right ChatGPT consulting partner depends on an organization’s specific needs, industry, and scale of AI adoption. The companies listed above represent a cross-section of the market, from global consultancies with hundreds of thousands of employees to specialized firms with deep domain expertise. Evaluating a vendor’s technology stack, industry experience, and compliance certifications can help businesses identify the partner best suited to guide their AI transformation journey.
