Selecting the right SEO agency in Rossendale involves assessing their expertise in local and national SEO techniques. Look for an agency that offers personalized strategies tailored to your business needs and keeps pace with the latest industry trends. It's essential to evaluate their approach to on-page and off-page SEO, including content optimization and link building. Transparent reporting and proven success in improving search rankings are also key factors. Ensure the agency provides excellent customer support and clear communication to effectively manage your SEO campaign.