These professional services firms in Indonesia include a mix of large, established companies and younger firms specializing in various sectors. PT. SUCOFINDO offers inspection, testing, certification, training, and consultancy. PwC Indonesia provides assurance, tax, advisory, and consulting services. PT Infomedia Solusi Humanika (ISH) specializes in HR solutions, while LPPI focuses on training for bankers.
The data shows a strong concentration of these firms in Jakarta, which serves as the headquarters for most of the listed companies. This indicates Jakarta's role as a central hub for professional services in Indonesia. While many firms focus on general business consulting, there are also specialized companies like Kantor Hukum in legal services and PT. JGC Indonesia in the oil and gas sector.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
PT. SUCOFINDOsucofindo.co.id
A leading Indonesian company offering inspection, testing, certification, training, and consultancy services across various sectors domestically and globally |
6,862 | |||
| 2 |
Kantor Hukum
Legal office specializing in providing legal representation and consultation services to clients in various legal matters |
4,002 | |||
| 3 |
PwC Indonesiapwc.com
Provider of industry-focused assurance, tax, advisory, and consulting services to clients in Indonesia, utilizing global resources and expertise to deliver value |
3,121 | |||
| 4 |
PT Infomedia Solusi Humanika (ISH)ish.co.id
Specializing in HR solutions, this subsidiary manages 18,000 employees, offering BPO services in HR processes, solutions, and consulting |
2,927 | |||
| 5 |
PT Surveyor Indonesiaptsi.co.id
An established organization providing independent assurance services, specializing in various sectors such as energy, infrastructure, and mining through innovative technological solutions |
2,721 | |||
| 6 |
LPPI - Your Strategic Partnerlppi.or.id
An educational institution founded by Bank Indonesia to enhance competencies of Indonesian bankers in managing banks and financial industry |
1,662 | |||
| 7 |
KPMG Indonesiakpmg.com
A leading advisory firm in Indonesia offering services in taxation, business structuring, licensing, company formation, customs duties, and industry-specific consulting |
1,380 | |||
| 8 |
PT. JGC Indonesiajgc-indonesia.com
An EPC subsidiary in oil and gas field, fully owned by a reputable global organization, specializing in engineering, procurement, and construction |
1,351 | |||
| 9 |
BDO in Indonesiabdo.co.id
Leading global provider of professional services offering audit, tax, advisory, and specialized services to clients worldwide through a team of skilled professionals |
1,336 | |||
| 10 |
RSM INDONESIArsm.global
A leading provider of audit, tax, and consulting services in Indonesia, focusing on delivering high quality standards and supporting client growth |
1,224 | |||
| 11 |
Proyek Betaproyekbeta.com
Specializing in strategic accounting and tax management consulting for high-growth companies in South East Asia after acquisition by a Singapore-based software company |
1,155 | |||
| 12 |
KONSULTAN PERBANKAN INDONESIAarnoharyoutomo.wixsite.com
A consulting agency specializing in digital marketing, data mining, fraud detection, financial management, and marketing research for the banking industry |
1,018 | |||
| 13 |
NotarisPPATsolusihukum.online
A notary firm providing services for land and property permits, deed creation, business establishment, and legal entity formation in Java Contact for free consultation |
987 | |||
| 14 |
Kantor Notaris & PPAT Eriani
Notarial legal services providing expertise in Central Jakarta, Indonesia for notarial deeds, legal documentation, and property conveyancing |
987 | |||
| 15 |
Carsurincarsurin.com
Trusted international provider of quality technical solutions in industries like mining, oil & gas, and agriculture through inspection, testing, and certification services |
959 | |||
| 16 |
PT Pertamina Training & Consultingpertamina-ptc.com
A provider of human capital and management services in Indonesia, specializing in consulting, training, workforce solutions, security services, and organizational development assessments |
958 | |||
| 17 |
PT Pertamina Training and Consultingpertamina-ptc.com
With over 20 years of experience, we provide quality human capital and management services in Indonesia through consulting, training, events, workforce solutions, and assessments |
922 | |||
| 18 |
PT Yodya Karya (Persero)g20sideevents.id
A civil engineering organization based in Indonesia specializing in various construction projects and infrastructure development |
839 | |||
| 19 |
PT OS SELNAJAYA INDONESIAos-selnajaya.com
Provider of comprehensive human resources, legal, and education services in Indonesia for Japanese businesses, focusing on company setup and operations |
808 | |||
| 20 |
PT Pertamina Maintenance & Construction (PertaMC)pertamc.com
Specializes in maintenance and construction services, providing energy solutions for various industries through its subsidiary |
800 | |||
| 21 |
Geoservices (Ltd.)geoservices.co.id
A diversified organization offering exploration and analysis services for Indonesia's oil, gas, coal, mineral, and geothermal industries with branch offices across key locations |
781 | |||
| 22 |
PT Radiant Utama Interinsco Tbkradiant.co.id
Specializing in Non Destructive Testing, the company started as an inspection department and evolved to provide a wide range of inspection services |
774 | |||
| 23 |
PT Agrinas Jaladri Nusantara (Persero)viramakarya.co.id
A state-owned entity in Indonesia providing engineering management consulting services in various fields and projects |
767 | |||
| 24 |
PKF Hadiwinatapkfhadiwinata.com
A top 10 accounting and professional services provider in Indonesia, part of a global network offering audit, tax, and advisory services to diverse clients worldwide |
717 | |||
| 25 |
Timedoortimedoor.net
A leading developer and educator in Bali, seamlessly blending technology and education to create positive change and a better society Join us! |
712 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 |
PT Solusi Energy Nusantarapt-sena.co.id
A provider of engineering services in the oil and gas industries, specializing in pipeline, mechanical, electrical, and civil projects |
704 | |||
| 27 |
PT LAPI ITBlapi-itb.com
A business entity supporting ITB academic activities through consulting, training, and technology development to raise funds, established in 2004 |
691 | |||
| 28 |
PT Tracon Industritracon.co.id
An integrated industrial services provider offering engineering consultancy, industrial services, and package equipment supply for various industries including oil & gas and power plants |
669 | |||
| 29 |
PT Krakatau Engineeringkrakataueng.co.id
Engineering and design services for various industries, specializing in EPC projects for plant facilities, infrastructure, energy, power plants, petrochemicals, mining, buildings, and infrastructure |
639 | |||
| 30 |
PPM Manajemenppm-manajemen.ac.id
Established in 1967, the organization aims to contribute to Indonesia's development through management education, training, consultancy, publishing, research, and seminars |
595 | |||
| 31 |
PT. EXA Mitra Solusiexamitrasolusi.co.id
EXA offers solutions to help clients streamline business processes and maintain high service levels for their customers, allowing them to focus on their core operations |
593 | |||
| 32 |
Packet Systems Indonesiapacket-systems.com
A leading ICT systems integrator in Indonesia specializing in Data Center, Collaboration, Network Infrastructure, Information Security, and Software Solution services |
544 | |||
| 33 |
PT Wiratmanwiratman.co.id
A multidisciplinary consulting business established in 1976 in Jakarta, Indonesia, offering professional services to private and public sector clients worldwide |
498 | |||
| 34 | 
PT Booker Tate Indonesiabooker-tate.co.uk
Global leader in sugar, ethanol, and agribusiness projects, offering development, management, and technical services, including irrigation studies and support services |
492 | |||
| 35 |
Valdo Inc.valdoinc.com
A leading Integrated Six Sigma Managed Service Company, specializing in business process management, technology outsourcing, and customer relationship management solutions |
471 | |||
| 36 |
MUTU International (PT Mutuagung Lestari Tbk)mutucertification.com
Provider of consumer services specializing in certification, inspection, and laboratory testing to ensure compliance and quality of products |
466 | |||
| 37 |
Crowe Indonesiacrowe.com
A global accounting and technology firm with over 600 professionals, serving multinational clients with award-winning expertise in strategic risk consulting and international tax |
465 | |||
| 38 |
PT. Mitra Insan Sejahtera (Pharos Group)karirmis.com
PT Mitra Insan Sejahtera is an experienced recruitment center serving clients in various industries by connecting them with competent professionals |
462 | |||
| 39 |
PT Sumberdaya Dian Mandirisdm.my.id
Leading provider of consultancy services for industrial and commercial projects, with over a decade of experience and a strong commitment to quality service delivery |
462 | |||
| 40 |
HHP Law Firmhhp.co.id
Leading Indonesian legal services provider offering sophisticated corporate advice, commercial transaction support, and regulatory guidance across various industries through an extensive international network. |
450 | |||
| 41 |
PT PLN Enjiniringpln-enjiniring.com
Engineering consultancy firm under PT PLN (Persero), providing optimum customer service, professional engineers, cost savings, and financial supervision to ensure project quality and compliance |
432 | |||
| 42 |
PT Virama Karya (Persero)viramakarya.co.id
A state-owned Indonesian consulting company specializing in engineering services for road, bridge, urban development, water resources, and agricultural projects |
408 | |||
| 43 |
MatchaTalentmatchatalent.com
The company focuses on finding job opportunities that align with individuals' strengths and goals, working closely with clients for the best outcomes |
402 | |||
| 44 |
PT Artha Kreasi Utamapt-aku.com
A national organization specializing in Manpower Management Services and Outsourcing, prioritizing high work ethics and professionalism to achieve business goals |
395 | |||
| 45 |
Persona Prima Utama, PTptppu.co.id
A human resources company established in 2003, providing deployment and procurement services to meet operational needs for various sectors |
393 | |||
| 46 |
PT ITSEC Asia Tbkitsec.asia
Leading APAC cybersecurity provider offering end-to-end services and solutions, including consulting, integration, and managed services Specializing in IT infrastructure protection and regulatory compliance |
386 | |||
| 47 |
MARKPLUS, CORP.markplusinc.com
A leading Southeast Asian professional services provider offering consulting, marketing research, education, media services, and innovative marketing strategies to diverse industry sectors |
385 | |||
| 48 |
PT. Tribhakti Inspektamatribhakti.com
Specializing in marine inspection, expanding to coal & mineral mining sectors for inspection, superintending, verification, certification, and laboratory analysis services |
382 | |||
| 49 |
PT. Jasindo Duta Segarajasindods.com
A company based in India focused on providing services related to insurance and other financial solutions at Plaza Kelapa Gading |
379 | |||
| 50 |
PT SINGGAR MULIAsinggarmulia.com
Specialized engineering consultant for the oil and gas industry, providing expertise and solutions for various projects and operations in the field |
366 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in Indonesia
- The largest companies in Indonesia 4,266
- Manufacturers in Indonesia 686
- Retail chains in Indonesia 433
- Critical infrastructure operators in Indonesia 368
- Public sector organisations in Indonesia 360
- Publicly traded companies in Indonesia 358
- Companies with a mobile app in Indonesia 346
- Multinational companies in Indonesia 344
- Corporate groups and holding companies in Indonesia 306
- Financial services firms in Indonesia 299
- Hotel and hospitality groups in Indonesia 235
- Higher Education companies in Indonesia 215
- Food and beverage companies in Indonesia 212
- Financial Services companies in Indonesia 201
- Distributors and wholesalers in Indonesia 195
- Hospitality companies in Indonesia 171
- Energy companies in Indonesia 164
- Food and Beverage Services companies in Indonesia 156
- Companies with in-house R&D in Indonesia 152
- IT Services and IT Consulting companies in Indonesia 146
- Logistics companies in Indonesia 143
- E-commerce companies in Indonesia 139
- Mining companies in Indonesia 136
- Motor Vehicle Manufacturing companies in Indonesia 133