

Clients
ChannelDoubler Services
Selected Work

B2C/B2B Customer Acquisition & Revenue Engine
The official Groowise homepage case reports 35,000+ qualified leads on an unchanged ad budget, 40% converting within 30 days, total CAC under €25 with €0.38 average CPC, and 25% of the client’s annual revenue coming exclusively from the acquisition system.
View case study
A Decade-Long Seasonal Engine for Tourism
The official homepage case reports 20,500+ peak-season online orders, a +30% offline-order lift, 146,000 high-intent clicks at €0.22 average CPC across Meta and Google, and a seasonal engine repeated over nearly a decade.
View case studyReviews from Google
ChannelDoubler significantly boosted the client's online presence by implementing effective strategies. The team showcased commendable project management skills, ensuring successful outcomes. Their excellent communication via emails and phone calls further enhanced the overall collaboration experience.
Reviews sourced from Google
See all 9 reviews on GooglePhotos



More Marketing Agencies

DiscoverMyBusiness
★ 8.8Small to mid-sized businesses across industries looking for a highly reviewed, data-driven digital marketing agency with global reach and consistent results in PPC and lead generation
DiscoverMyBusiness is a full-service digital marketing agency founded in 2018 with offices in London, New York, Madrid, and Beverly Hills. The firm specializes in PPC advertising, social media marketing, SEO, e-commerce marketing, conversion rate optimization, CRM consulting, and web design, all powered by AI-driven data strategies. With 137 Clutch reviews and a 5.0/5 rating, they are among the most reviewed agencies in their category, with clients consistently praising their proactive communication, timely delivery, and strong ROI improvements. Their approach combines creativity with data analysis to drive lead generation and business growth.

Envision Creative
★ 8.8Small and mid-sized businesses needing full-service marketing with creative design
Envision Creative is a full-service advertising and marketing agency that develops custom strategies for small and mid-sized businesses. They combine creative design with data-driven digital marketing to help clients meet their business goals across multiple channels.

Equinox Dynamics LDA
★ 8.8eCommerce, SaaS, and real estate companies seeking technical SEO and international search growth
Equinox Dynamics LDA is a Portugal-based SEO agency founded in 2017 with headquarters in Esgueira and eight international offices spanning North America, Europe, and Asia. The 10 to 49 person team specializes in technical SEO, UX optimization, link building, and international multilingual SEO for eCommerce, SaaS, and real estate clients. With 56 Clutch reviews and a perfect 5.0 rating, clients consistently report 30-40% organic traffic improvements and praise the team's breadth of expertise spanning coding and marketing. Equinox focuses on long-term, sustainable growth strategies built on competitive analysis and precise analytics.