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Compare OutsourceSEM vs Zelst

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

OutsourceSEM

B2B Lead Generation Website

OutsourceSEM is a white-label digital marketing agency offering PPC, SEO, social media, and content marketing services. They focus on project execution and client retention, serving small to enterprise businesses globally.

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Zelst

Cold Email Outreach Website

Zelst is a highly experienced search marketing agency that helps clients to be seen and get found online. They achieve substantial return on marketing investment through creative and strategic search marketing.

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Feature Comparison

Attribute	OutsourceSEM	Zelst
Category	B2B Lead Generation	Cold Email Outreach
Rating
Location	Patna, Bihar, India	Harrogate, England, United Kingdom
Services	Advertising Display Ads PPC Retargeting and Remarketing Content Marketing Content Strategy Marketing Advice Lead Generation Market Research SEO Link Building Local SEO Mobile SEO SEO Consulting Search Engine Marketing Shopify SEO Technical SEO Wordpress SEO Youtube SEO Social Media Marketing Content Creation Facebook Advertising Web Development Web Design Email Marketing Data Analytics Marketing Automation	Advertising Display Ads PPC Retargeting and Remarketing Content Marketing Content Strategy Marketing Advice Lead Generation Market Research SEO Link Building Local SEO Mobile SEO SEO Consulting Search Engine Marketing Shopify SEO Technical SEO Wordpress SEO Youtube SEO Social Media Marketing Content Creation Facebook Advertising Web Development Web Design Email Marketing Data Analytics Marketing Automation
Industries	Automotive Consumer Goods Ecommerce Home Services Travel & Tourism	B2B Services Ecommerce Fashion Retail Food & Beverages Health & Wellness
Pros	White-label services with NDA for client retention and brand integrity Certified Google Partners with proven track record (e.g., 61% organic traffic increase) Customizable reporting and 24/7 support for transparent campaign management Cost-effective outsourcing for agencies and businesses seeking scalable digital	Transparent, consultative approach with a focus on metrics that matter to the client.
Cons	Small team size (10-49) may limit capacity for large-scale, multi-channel campaigns Budget per project capped at $1,000, not ideal for enterprise-level budgets	Primary geographic focus on UK and US, less suited for companies targeting other
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.

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