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Compare Sigma Solutions vs ExpertCallers

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

Winner

Sigma Solutions

B2B Lead Generation Website

Sigma Solutions is a B2B online marketing agency that helps producing and trading companies achieve measurable growth through their internet channel. They provide strategic guidance, implementation, and ongoing management of websites, webshops, and apps.

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ExpertCallers

B2B Lead Generation Website

ExpertCallers is a global call center outsourcing and B2B lead generation provider offering inbound and outbound support, SDR services, and multichannel customer engagement. With over 20 years of experience and ISO-certified processes, it delivers scalable, process-driven offshore solutions.

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Feature Comparison

Attribute	Sigma Solutions	ExpertCallers
Category	B2B Lead Generation	B2B Lead Generation
Rating	Winner +4.5 higher	-
Location	Alkmaar, North Holland, Netherlands	Princeton, NJ
Features	Global 24/7 delivery footprint with bilingual teams and experience across many industries	Global 24/7 delivery footprint with bilingual teams and experience across many industries
Services	PPC Content Marketing SEO Social Media Marketing Web Development Lead Generation Marketing Automation Data Analytics Inbound Marketing Email Marketing	PPC Content Marketing SEO Social Media Marketing Web Development Lead Generation Marketing Automation Data Analytics Inbound Marketing Email Marketing
Industries	Automotive Construction Consumer Goods IT	-
Pros	Over 20 years of experience in B2B online marketing since 2003 Full-service agency covering strategy, implementation, and maintenance Strong focus on measurable ROI and sustainable growth for clients Serves both small and mid-sized businesses with project budgets starting at $2,500	Scalable global delivery footprint with thousands of trained agents and 24/7 bilingual
Cons	Primarily focused on the Netherlands market, limiting geographic reach No client reviews or testimonials publicly available on Semrush profile	Employee reviews on platforms like Glassdoor and AmbitionBox highlight concerns
Website	Visit Site	Visit Site

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