Design thinking gives organizations a disciplined way to solve ambiguous problems by starting with the people affected by them. Through research, problem definition, ideation, prototyping, and testing, companies can replace assumptions with evidence and refine concepts before making major investments. The approach can be used to improve products and customer experiences, redesign services, shape strategy, and solve internal operational challenges.

Design thinking consulting firms vary considerably in their focus. Some specialize in product and experience design, while others apply human-centered design to business strategy, organizational transformation, or innovation capability building. The right partner should bring strong facilitation and research skills while also helping the organization convert insights and prototypes into decisions and executable initiatives.

1. Stonehill

Stonehill applies design thinking as a strategy and problem-solving framework rather than treating it as a stand-alone creative exercise. The firm facilitates executive sessions, innovation workshops, customer research, ideation, prototyping, and implementation planning for companies facing complex growth, operational, and organizational challenges. Stonehill is a particularly strong choice for leadership teams that want a highly collaborative process and a partner capable of carrying the resulting ideas into strategy, project management, organizational design, and execution.

2. IDEO

IDEO is one of the firms most closely associated with the growth of human-centered design in business. It works across products, services, brands, experiences, and organizational challenges, combining research, design, experimentation, and storytelling. IDEO may be well suited for organizations seeking breakthrough concepts, new customer experiences, innovation strategy, or a deeper internal culture of creative problem-solving.

3. frog

frog is a global design and innovation consultancy that brings together strategy, product design, experience design, brand, and technology. The firm is often engaged to develop digital products, connected experiences, new services, and customer-centered business models. frog can be a strong option when a design thinking engagement must progress into detailed experience design and technology-enabled implementation.

4. IBM iX

IBM iX combines experience design with IBM’s broader technology and business transformation capabilities. Its teams help organizations research user needs, design digital experiences, modernize customer journeys, and implement solutions supported by enterprise platforms, data, and artificial intelligence. IBM iX may be most appropriate for large organizations that need design thinking integrated with a significant technology or digital-transformation program.

5. Board of Innovation

Board of Innovation focuses on innovation strategy, new business design, and the development of future growth opportunities. The firm uses customer insight, experimentation, prototyping, and venture-style methods to help organizations explore new offerings and business models. It may be a good fit for companies seeking to build an innovation pipeline, evaluate uncertain growth opportunities, or create repeatable methods for testing new ideas.

Selecting a design thinking partner should begin with the outcome the organization wants to create. A product challenge may require deep design and technology resources, while a strategy or operating challenge may call for stronger executive facilitation and implementation support. The most valuable engagements leave the organization with more than workshop materials: they produce validated insights, informed choices, and a practical path to action.