Compare Clientium vs Booster Box

Side-by-side comparison of features, pricing, services, ratings and more.

Clientium

Cold Email Outreach Website

Clientium is a B2B appointment setting agency serving Italian companies with 1M-100M revenue. It uses a proprietary IPA system (Identification, Personalization, Acquisition) and a pay-per-result pricing model. The agency has generated over 4.3M in documented pipeline and served 127+ companies.

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Booster Box

Paid Advertising & PPC Website

Booster Box is a performance agency specialized in scientific marketing, founded in 2016. The agency focuses on PPC, SEO, CRO, and BI, serving international clients including Google, Taboola, and Stripe. Offices are located in Pietrasanta, London, and Milan.

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Feature Comparison

Attribute	Clientium	Booster Box
Category	Cold Email Outreach	Paid Advertising & PPC
Rating	-	-
Location	Milan, Italy	Pietrasanta, Tuscany, Italy
Services	Business Consulting Market Research Email Marketing CRM Consulting Digital Strategy Pay-Per-Click Advertising Search Engine Optimization Conversion Rate Optimization Business Intelligence	Business Consulting Market Research Email Marketing CRM Consulting Digital Strategy Pay-Per-Click Advertising Search Engine Optimization Conversion Rate Optimization Business Intelligence
Industries	AI Corporate Services HR Manufacturing Media & Communications Software & IT Services Transportation & Logistics Retail	Apparel & Fashion
Pros	Pay-per-result model with no monthly retainers; clients pay only for confirmed appointments. 87% appointment show rate, significantly above the 60% industry standard. Proprietary IPA system combines multi-channel outreach (cold email, LinkedIn, telemarketing) for 40-60% more appointments than single-channel methods. Territorial exclusivity limits to two clients per sector and region, protecting competitive advantage.	Awarded Best Small PPC Agency at European Search Awards Finalist for Agency of the Year at Drum Dadi Awards Highly quantitative approach with data scientists and developers
Website	Visit Site	Visit Site

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Free Plan Available

You shouldn’t have to overpay for cold email tools. With Mystrika, you won’t.

It does cold email warmup, sequences, unified inbox, and AI writing - all in one place. Every other tool that does this charges somewhere between $100 and $500 a month. Mystrika has a free plan. 500 prospects. No expiry. No card.

The people who consistently book meetings from cold email aren’t smarter. They just stopped leaving money on the table.

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