SureM
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Trusted business messaging

Messaging that reaches
your customers,
wherever they are

International SMS, MMS, SMPP/API, and RCS across 200+ countries and 800+ carriers — built on direct carrier infrastructure and 26 years of operating experience.

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About SureM

SureM: Korea Messaging Infrastructure Provider

SureM is a Korea-based business messaging infrastructure provider with 26 years of experience.

The company helps global and Korean businesses deliver SMS, LMS, MMS, RCS, Kakao, WhatsApp Business, Voice OTP, and international messaging through reliable local network connectivity and operational expertise.

Trust and proof

Founded in 2000, with 3,000+
enterprise customers served historically.

SureM has delivered operational messaging for finance, retail, manufacturing, healthcare, public institutions, and global enterprises since 2000, with 26 years of messaging experience, 3,000+ enterprise customers served historically, and 1,800+ current customer organizations.

Real-time route status
KR → SG
214ms
delivered
KR → US
312ms
delivered
KR → JP
168ms
delivered
KR → GB
287ms
delivered
Enterprise
customers served
3,000+
Historical enterprise customers served; 1,800+ current customer organizations.
Years of
experience
26-year
A 26-year enterprise messaging partner founded in 2000.
Employees
120+
120+ employees supporting the messaging business.
Standard
contributor
SMPP
Contributed to the SMPP standard; operates SMPP v5 with MM4/MM7 for MMS.
Why SureM

Three pillars that define SureM

26 years of operating experience, 3,000+ enterprise customers served historically, 1,800+ current customer organizations, and direct carrier-backed delivery infrastructure — bound together as one platform.

26yrs
Enterprise messaging partner
Founded in 2000. A 26-year operating record across telecom, banking, and platform-scale messaging.
since 2000
10k/sec
Messages per second
Direct three-carrier connectivity in Korea and infrastructure tuned for sustained 10,000+ messages per second.
sustained · burst-tested
1:1
Account-managed delivery
2025 Korea Messaging Service Award, Kakao Top Partner status, and ISO 27001 recertification.
ISO 27001 · Kakao top
Global reach

One platform, 200+ countries

Direct carrier infrastructure in Korea, connected to 800+ operators worldwide — with a Seoul-based hub routing traffic across every region in real time.

Seoul Global Messaging Hub
Regional reach · 200+ countries
800+ carriers connected
Products

Core messaging products
and interfaces

5 channels · ready

SureM combines international SMS, MMS, SMPP/API connectivity, and richer business messaging for teams running customer-critical traffic.

Most popular
/01

International SMS

Deliver business messages across 200+ countries and 800+ carriers for authentication, alerts, reminders, and cross-border operations.

OTP & alertsRemindersDelivery receipts
200+ countries · 800+ carriersdocs →
/02

MMS

Send richer customer messaging with images, maps, coupons, brochures, and URL-linked content where multimedia delivery is supported.

Images & mediaCouponsURL content
CN · HK · TW · JP supportdocs →
/03

SMPP / API Integration

Connect enterprise systems directly with SMPP v5, delivery receipts, and MM4/MM7-compatible interface depth for operational control.

SMPP v5MM4 / MM7REST API
SMPP v5 · Standard contributordocs →
/04

RCS Business Messaging

Support branded customer communication with RCS TrustMark programs where richer business messaging is part of the customer journey.

Verified brandRich cardsButtons
RCS TrustMark supportdocs →
/05

WhatsApp Business

Reach global customers on WhatsApp with approved templates, OTP, notifications, and interactive business conversations.

TemplatesOTPGlobal conversations
180+ countries · Cloud APIdocs →
Operational visibility

Built into the product experience

SureM operates a Seoul-based Global Messaging Hub with live channel status across RCS, Kakao, SMS, and global traffic, plus real-time statistics and dashboard-style message visibility.

Company at a glance

SureM Co., Ltd. – Quick Facts.

Structured company information for partners, procurement teams, and global reference.

Founded
2000
26 years of operation
Legal entity
SureM Co., Ltd.
슈어엠주식회사
Headquarters
Seoul, Korea
Republic of Korea
International sales
intlsales@surem.com
English · Korean inquiries
Coverage
200+ countries
800+ carriers and operators
Core interfaces
SMS·MMS·SMPP·RCS
Plus Kakao, WhatsApp, Voice OTP