Which type of agency—a large modeling agency or a boutique modeling agency—will best support your modeling career depends largely on your personal goals, needs, and career aspirations.
Large modeling agency
Advantages:

Extensive network: Large agencies often have many contacts and partners worldwide, which opens up international opportunities.

Broad range of clients: Large agencies frequently work with well-known fashion brands, designers, and major advertising campaigns, and they aren’t tied to one specific model category.

Access to more resources: Many large agencies offer comprehensive services such as styling, coaching, and financing options.

Disadvantages:

Less personal support: With a large number of models, individual support can fall short.

Competition within the agency: Models often have to assert themselves more strongly internally to get noticed and land good jobs.
Boutique modeling agency
Advantages:

Personal support: Working closely with the small agency team, which is often owner-managed, allows for individual support and tailored career strategies.

Specialization: Boutique agencies are often specialized, for example in certain model types or market segments, which is especially beneficial if, as a model, you already have a clear idea of the direction you want to develop in and which niche you want to occupy.

Disadvantages:

Limited network: Boutique agencies may not have the global reach or connections of large agencies.

Limited resources: They may offer fewer additional services and less investment in model development.
Our verdict:
A large modeling agency is often a good fit for models who are aiming for an international career and want to benefit from a large network. A boutique modeling agency is ideal for models who prefer closer, more personal support and a specialized positioning.