They help design  user-friendly and visually appealing ecommerce websites that enhance  the user experience  and drive sales.

1. Website Design and Development:  Creating custom  ecommerce websites  tailored to the client's  brand, products, and  target audience.

2. User Experience (UX) Design:  Improving the website's usability, navigation,  and overall user experience to maximize conversions and customer satisfaction.

3. Mobile Responsiveness:  Ensuring the website is optimized for various devices, including smartphones and tablets, to cater to mobile users.

4. Ecommerce Platform Integration:  Integrating the website with popular ecommerce platforms like Shopify, WooCommerce, Magento, etc

5. Payment Gateway Integration:  Setting up secure and reliable payment processing syste ms to facilitate online transactions.

6. Search Engine Optimization (SEO):  Optimizing the website for search engines to improve visibility and organic traffic.

7. Conversion Rate Optimization (CRO):  Analyzing user behavior and making data-driven improvements to increase the conversion rate.

8. Product Photography and Content Creation:  Providing high-quality product images and compelling content to showcase products effectively.

9. Digital Marketing:  Running online marketing campaigns, including pay-per-click (PPC) advertising and social media marketing.

Keep in mind that  agencies' offerings, reputations, and specialties can vary, so it's essential  to research and choose  the one that best aligns  with your business needs  and goals.