Studio Sour

Studio Sour is a full-service growth agency founded in 2025 and headquartered in Şişli, Istanbul, Turkey. The agency partners with post-startup and mid-market B2B SaaS firms, aiming to turn ambitious goals into measurable results. It positions itself as a collaborative partner that aligns closely with founders, product, and marketing teams to remove uncertainty and deliver scalable marketing outcomes.

The agency offers a comprehensive set of services including website design and development, content-driven SEO, performance marketing, demand generation, and funnel optimization. Rather than delivering isolated campaigns, Studio Sour builds integrated marketing systems that combine sharp strategy, clear messaging, data-driven content, and performance-oriented execution. The agency also supports product-led growth, lead nurturing, user activation, and retention for B2B SaaS clients.

Studio Sour serves a range of industries including Software & IT Services, eCommerce, Fintech, Pets, Hardware & Networking, Energy & Mining, and Hospitality. Its client types are small businesses and startups, with a focus on post-startup and mid-market B2B SaaS firms. The agency's team includes Beyza Margi as Head of Web Strategy & Design and Ilayda Tepe as Head of Performance & Growth.

The agency has a Google rating of 4.7 from 13 reviews, with clients praising exceptional quality, talent, and creativity. Notable clients include easyEventhire, NDL Lift, and easySkip. Studio Sour's minimum project budget is under $1,000, and its average hourly rate is $40 per hour, making it accessible for growing B2B SaaS companies.