Mystrika
Gigantic Digital Growth is a data-driven performance marketing agency that helps brands generate sales and qualified leads through strategic digital channel management. With over €200 million in sales generated across real estate, healthcare, education, and energy, they combine business intelligence, paid media, SEO, and conversion optimization to deliver measurable ROI.
Gigantic Digital Growth positions itself as a new-generation performance agency built entirely around data and measurable outcomes. Founded in 2020 and based in Lisbon, Portugal, the agency serves clients across the UK, Portugal, and the US. Their core philosophy is that every digital channel should be used strategically and rationally, subordinated to specific business goals like sales, qualified leads, or brand awareness. This focus on "digital performance" sets them apart from agencies that prioritize creative or brand-building without tying results to ROI.
The agency's key strength lies in its structured, two-dimensional approach: traffic generation and conversion optimization. On the traffic side, they leverage hyper-segmentation and message personalization across paid media, SEO, and AI SEO to reach the right audience at the right moment. On the conversion side, they diagnose friction points, execute improvements to website structure, UX/UI, and email marketing, and continuously optimize through A/B testing and real-time adjustments. This end-to-end capability means clients get a single partner for strategy, execution, and ongoing refinement.
Gigantic's service portfolio is comprehensive. They offer business intelligence to inform strategy, paid media management (including PPC and advertising), SEO and AI SEO, CRM and email marketing (via HubSpot), and web development (including landing pages and e-commerce sites). They also provide lead generation services and market research. Their industries of focus include real estate, healthcare, education, and energy, with a strong track record of over €200 million in sales generated across these verticals.
Pricing starts at $10,000 per project, with typical engagements lasting more than six months. This positions Gigantic as a premium partner for mid-market and enterprise clients who need a serious, data-backed approach. The agency works with small, mid, and large businesses, but the budget threshold suggests they are best suited for companies with established marketing budgets and a clear need for measurable growth.
Gigantic is best for companies in real estate, healthcare, or education that want to move beyond vanity metrics and invest in a full-funnel performance engine. Their data-first methodology, combined with strong technical SEO and paid media skills, makes them a strong choice for lead generation and e-commerce growth. The agency's small team size (10-49) allows for close collaboration, while their international reach and bilingual team (English and Portuguese) support cross-border campaigns.
Overall, Gigantic Digital Growth is a well-rounded performance agency with a clear value proposition: they turn digital investment into tangible business results. Their high rating, positive client feedback, and impressive sales track record indicate a reliable partner for companies ready to commit to a data-driven growth strategy. The main considerations are the higher minimum budget and the limited number of public reviews, but for the right client, the agency's focus on ROI and full-funnel optimization is a strong fit.
Services
- Digital Strategy
- Business Intelligence
- Paid Media Management
- SEO
- AI SEO
- CRM & Email Marketing
- Web Development
- Lead Generation
- PPC
- Market Research
- APP Store Optimization
- SEO Consulting
- Technical SEO
Industries Served
Team Size
Pros
- Strong multi-industry experience in real estate, healthcare, education, and energy.
- High client satisfaction reflected in a 4.9 rating and positive review.
Cons
- Minimum project budget of $10,000 may be prohibitive for small businesses or startups.
Client Review Analysis
One client review on Semrush praises the agency for revolutionizing their business, rating 5 stars.