Mac Sarana Djaya

What Mac Sarana Djaya does

PT Mac Sarana Djaya, established in 2003 and headquartered in Jakarta Pusat, is the largest in-building Distributed Antenna System (DAS) provider in Indonesia, operating across nearly 1,000 buildings that span offices, apartments, hospitals, universities, shopping malls, business centers, and mixed-use complexes. The company deploys and maintains the passive and active infrastructure (antennas, cabling, head-end equipment) required by cellular operators to deliver 2G, 3G, and 4G coverage inside buildings, and complements this with broadband fiber-optic links providing a triple-play bundle of IPTV, telephony, and internet to building partners and their tenants. A 24-hour Network Operations Center (NOC) supports ongoing service assurance, and the company is positioning IoT as a next leg of growth by moving into smart building system integration.

The business operates a B2B enterprise model with two primary customer segments. The first is Indonesian cellular mobile network operators — including Telkomsel, XL Axiata, Indosat Ooredoo Hutchison, Bolt, 3 Indonesia (Tri), and Smartfren — which contract PT Mac Sarana Djaya for in-building coverage extension. The second is building owners, property developers, and building management groups, who engage the company as a sole-partner provider of telecommunications and broadband infrastructure across their property portfolios. Go-to-market is executed via direct enterprise field sales rather than digital marketing channels, and the company monetizes through subscription/recurring service contracts tied to infrastructure deployment and ongoing maintenance. As a subsidiary of PT Centratama Telekomunikasi Indonesia Tbk (CTI), the company also benefits from privileged access to Indonesian MNOs through the group's sister subsidiary PT Centratama Menara Indonesia, a top-five Indonesian telecom tower operator.

The technical backbone comprises carrier-grade DAS hardware engineered on a per-building basis by a 300+ strong technical team, fiber-optic distribution for triple-play services, and an IoT-enabled smart building roadmap. Headcount sits in the 251–500 band per firmographic data, revenue and pricing are not publicly disclosed, and there are no recorded funding rounds, M&A activity, or regulatory actions in the available data.

Name

Mac Sarana Djaya

Legal name

PT Mac Sarana Djaya

Website

https://macsaranadjaya.co.id

Company type

Private

Founded year

2003

Operating status

Operating

Headcount range

251–500 employees

Short description

PT Mac Sarana Djaya is Indonesia's largest in-building Distributed Antenna System (DAS) provider, deploying 2G/3G/4G cellular and triple-play fiber-optic infrastructure across nearly 1,000 buildings. It serves major Indonesian cellular operators and property developers nationwide as a CTI Group subsidiary.

Ownership category

akta.pro rank

Product category

Telecommunications Infrastructure Services

NAICS

Wired and Wireless Telecommunications (except Satellite) (5171)

SIC

Communications Services, Nec (4899)

akta.pro primary industry

Distributed Antenna Systems (DAS) (HDAIAKAB)

akta.pro secondary industries

Neutral Host & In‑Building Connectivity (DAS/Small Cells) (HDAIAGAC), In-Building Wireless & Neutral-Host Solutions (IBS) (HDAIAKAD), Neutral-Host Wireless Network Operators (DAS/Small Cells/Indoor) (HDAIAAAF)

Keywords

• In-building DAS infrastructure
• Cellular network coverage
• Triple-play broadband services
• Telecom infrastructure services
• Fiber-optic network solutions

Headquarters

HQ city

Jakarta

HQ country

Indonesia

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales, Supply Chain

Revenue model

1. In-Building DAS Infrastructure Services: Provides and maintains cellular network infrastructure (DAS) inside buildings for cellular operators, enabling 2G, 3G, and 4G coverage. Revenue derived from infrastructure deployment and ongoing maintenance contracts with building management and cellular operators.
2. Triple-Play Services (IPTV, Telephony, Internet): Broadband fiber-optic based services providing IPTV, telephony, and internet to building partners and tenants. All-in-one solution that allows consolidated work from a single vendor.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

PT Mac Sarana Djaya deploys and maintains in-building Distributed Antenna System (DAS) infrastructure enabling 2G, 3G, and 4G cellular coverage inside office buildings, apartments, hospitals, universities, shopping malls, and mixed-use complexes. It complements this with a triple-play broadband fiber-optic service combining IPTV, telephony, and internet, delivered as an integrated all-in-one solution for property owners and cellular operators.

Product overview

PT Mac Sarana Djaya operates as a single unified offering focused on in-building telecommunications infrastructure solutions. The core product is its In-Building DAS (Distributed Antenna System), which provides 2G, 3G, and 4G network coverage inside nearly 1,000 buildings across Indonesia. This is supported by a Triple-Play Service combining IPTV, telephony, and internet via fiber-optic broadband. The company delivers technical installation and maintenance through a team of 300+ engineers, backed by 24-hour NOC support. The company is developing IoT-based smart building integration capabilities as an emerging service area.

Differentiator

Problem solved

Functional benefit

Products and services

• In-Building DAS (Distributed Antenna System)

Quantifiable outcome

• Presence in nearly 1,000 buildings across Indonesia

Named customers7 records

Segments3 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Two partnerships are on record, tiered core.

• PT Centratama Menara IndonesiacoreStrategic or Co-development PartnerPT Centratama Menara Indonesia is a CTI subsidiary and among the top-five leading Indonesian telco infrastructure providers. This relationship provides PT Mac Sarana Djaya with strong connections to all cellular operators in Indonesia, ensuring good support from cellular network operators.
• PT Centratama Telekomunikasi IndonesiacoreStrategic or Co-development PartnerParent company and member of CTI Group. PT Mac Sarana Djaya is a member of this group, which operates telecommunications infrastructure businesses across Indonesia.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• PT Centratama Menara Indonesia: Sister subsidiary within the CTI Group and a top-five Indonesian tower infrastructure provider. Directly comparable in business model — passive telecom infrastructure supporting multiple MNOs — though focused on macro towers rather than in-building DAS, making it the closest internal benchmark for Mac Sarana Djaya.
• Boingo Wireless: Pure-play neutral-host in-building wireless provider historically focused on airports, stadiums, military bases, and large public venues. The closest pure-play functional peer to Mac Sarana Djaya's in-building DAS business model — same core activity, different geography and venue mix.
• CommScope: Global provider of DAS, small-cell, and in-building wireless networking equipment and solutions. Comparable as the underlying technology supplier for much of the world's in-building wireless infrastructure, and a potential partner or competitor as Mac Sarana Djaya upgrades for 5G.
• JMA Wireless: U.S.-based manufacturer and integrator of in-building wireless solutions including active DAS and ORAN platforms. Comparable as a specialized in-building wireless technology provider and a likely competitor or partner as the macro-RAN architecture evolves toward 5G and virtualization.

Broad incumbents

• PT Dayamitra Telekomunikasi (Mitratel): Second-largest Indonesian tower company, subsidiary of Telkom Indonesia. Comparable through MNO-centric tower operations and growing DAS/small-cell ambitions; competes for the same operator capex dollars as Mac Sarana Djaya, particularly via tied relationships with the Telkomsel/Indosat ecosystem.
• PT Tower Bersama Infrastructure: Major Indonesian independent towercos serving multiple MNOs with macro sites. Comparable in telecom infrastructure services and MNO customer structure; a potential new-entrant competitor in the indoor/DAS space given balance-sheet capacity and existing operator relationships.
• American Tower: Global tower REIT with a meaningful DAS and outdoor small-cell portfolio through its U.S. and Latin American assets. Comparable as a multi-country passive infrastructure and in-building wireless operator at scale, and a credible consolidator/competitor for indoor assets in emerging markets.
• Cellnex Telecom: European tower and DAS operator with a large portfolio of in-building and small-cell assets across multiple countries. Directly comparable in neutral-host economics and indoor wireless focus, though operating in European rather than Southeast Asian markets.
• PT Profesional Telekomunikasi Indonesia (Protelindo): Largest independent tower company in Indonesia, operating macro tower portfolios for all major MNOs. Overlaps with Mac Sarana Djaya through its MNO relationships, growing in-building wireless offering, and Indonesian neutral-host positioning; broader portfolio but increasingly competitive in indoor.

Regional players

• Edotco Group: Regional tower and passive infrastructure operator across Southeast Asia including Malaysia, Indonesia, Bangladesh, and others. Comparable business model in neutral-host infrastructure across multiple MNOs in overlapping geographies, including growing in-building wireless capability.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/pt-mac-sarana-djaya

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Mac Sarana Djaya