Major Difference between Freelance Website Designers and Professional Website design Agency:

1. Experience and expertise: Professional website design companies typically have a team of designers and developers with years of experience and a wide range of expertise, while freelance web designers may have less experience and may specialize in only a few areas.
2. Range of services: Professional website design companies generally offer a wider range of services such as branding, SEO, marketing, and content creation, while freelance web designers may only focus on website design.
3. Accountability: Professional website design companies are accountable for the work they produce and are more likely to offer guarantees, warranties and support to their clients. Freelance web designers may not have the same level of accountability and may not offer the same level of support and guarantees.
4. Scalability: Professional website design companies have the ability to scale their services and resources as per the clients' needs and demands, while freelance web designers may have limitations in terms of scalability.
5. Quality: Professional website design companies have the ability to deliver quality work consistently, while freelance web designers may have quality fluctuations in their work.