Compare Upstream BPO vs CALLMARK Solutions Sdn Bhd

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

Winner

Upstream BPO

BPO & Outsourced Support Website

Upstream BPO is a Kuala Lumpur-based customer care and business process outsourcing provider founded in 2014. Its services include multichannel customer support, call center operations, back-office outsourcing, accounting support, and HR staffing.

View Full Profile

CALLMARK Solutions Sdn Bhd

BPO & Outsourced Support Website

CALLMARK Solutions is a Malaysian call center agency that combines 13 years of expertise with AI to deliver fully managed customer engagement. The agency designs end-to-end call flows, crafts scripts, and handles omni-channel inbound and outbound outreach. It serves startups, small businesses, medium businesses, and enterprise clients across industries like eCommerce, electronics, and automotive.

View Full Profile

Feature Comparison

Attribute	Upstream BPO	CALLMARK Solutions Sdn Bhd
Category	BPO & Outsourced Support	BPO & Outsourced Support
Rating	Winner +0.6 higher
Location	Kuala Lumpur, Malaysia	Petaling Jaya, Malaysia
Services	BPO Call Centers HR Outsourcing Outsourced Customer Support Accounting Services Back Office Outsourcing	BPO Call Centers HR Outsourcing Outsourced Customer Support Accounting Services Back Office Outsourcing
Industries	Automotive Energy & Mining Gaming Gambling Government Health Care Hospitality Media & Communications Luxury Real Estate	eCommerce Electronics Energy & Mining Corporate Services Consumer Goods Delivery & Takeaway Automotive AI Construction Education
Pros	Provides multichannel customer care across calls, live chat, WhatsApp, social care, and email. Has a 1,000-plus employee team and reports retaining a majority of clients for more than five years.	Professional and dedicated team with proactive communication Flexible and supportive partnership approach Consistently delivers great results and high-quality call center support
Website	Visit Site	Visit Site

Explore Other Comparisons

Compare Upstream BPO or CALLMARK Solutions Sdn Bhd with other Agencies:

upstream bpo vs blue orbits upstream bpo vs scicom msc berhad upstream bpo vs srg asia pacific upstream bpo vs denave upstream bpo vs brandt business services callmark solutions sdn bhd vs blue orbits callmark solutions sdn bhd vs scicom msc berhad callmark solutions sdn bhd vs srg asia pacific callmark solutions sdn bhd vs denave callmark solutions sdn bhd vs brandt business services

Browse All Agencies

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.

See the Free Plan

Cookie Consent Required