# Sustainable Digital > Sustainable Digital is a digital agency specialized in web design, development, and digital marketing for nonprofits and mission-driven organizations. We operate as a distributed team based in the United States and Spain, working with clients across both regions to build effective, sustainable websites and digital strategies. Sustainable Digital helps nonprofits and purpose-driven organizations build a strong digital presence: websites that are easy to maintain, SEO that keeps them ranking where it matters, and marketing strategies aligned with their mission and goals. We work primarily on Squarespace, WordPress, Webflow, and Square Online, and we take a personalized, collaborative approach rooted in long-term relationships and measurable impact (ROI). ## Services - [Web Design & Development](https://www.sustainabledigital.com/services/web-design-web-development): Attractive, easy-to-maintain websites built to appeal to both users and search engines. - [Search Engine Optimization](https://www.sustainabledigital.com/services/search-engine-optimization): Ongoing SEO foundations and maintenance to keep organizations ranking where it matters most. - [Digital Marketing Strategy](https://www.sustainabledigital.com/services/digital-marketing-strategy): Cross-channel strategy built on content, creativity, and consistency. - [Branding](https://www.sustainabledigital.com/services/branding): Development of a recognizable online identity aligned with an organization's mission. - [Google Ad Management Services](https://www.sustainabledigital.com/services/google-ads-management): Management of Google Ads campaigns to reach target audiences. - [Social Media Management](https://www.sustainabledigital.com/services/social-media-management): Setup and management of targeted social media channels and campaigns. - [Content Writing](https://www.sustainabledigital.com/services/content-writing): Engaging, compelling storytelling and copywriting. ## About - [Who We Are](https://www.sustainabledigital.com/who-we-are): Meet the team — a distributed group of specialists in web design, SEO, branding, and digital strategy working from the US and Spain. - [Our Ethos & Values](https://www.sustainabledigital.com/ethos-and-values): The values and principles guiding how the agency works with clients. - [How We Work](https://www.sustainabledigital.com/how-we-work): The agency's collaborative process and working methodology. ## Case Studies - [Lexxic](https://www.sustainabledigital.com/case-studies/lexxic): Website build for a specialist neurodiversity psychological consultancy. - [26.2 Foundation](https://www.sustainabledigital.com/case-studies/26-2-foundation): Website design, development, and SEO for a nonprofit promoting marathoning, health, wellness, and economic development, replacing a decade-old, hard-to-update site. - [Hilti Foundation](https://www.sustainabledigital.com/case-studies/hilti-foundation): Website design, development, and SEO for a Liechtenstein-based philanthropic foundation communicating its initiatives to 37,000 employees worldwide. - [Biocomp Nepal](https://www.sustainabledigital.com/case-studies/biocomp-nepal): Branding for a waste management and recycling organization in Nepal. - [Deep Roots Milling](https://www.sustainabledigital.com/case-studies/deep-roots-milling): Website design and development for a Virginia stone-mill flour producer, built to support a monthly farmers market, wholesale inquiries, and email list growth. - [Five Maples](https://www.sustainabledigital.com/case-studies/five-maples): Ongoing SEO management for a nonprofit development communications firm. ## Optional - [Blog](https://www.sustainabledigital.com/blog): Articles and insights on web design, SEO, branding, and digital marketing. - [Contact](https://www.sustainabledigital.com/contact): Get in touch to discuss a project.