These 49 professional services firms in Singapore include large global companies and mid-sized firms. Quest Global, with over 21,000 employees, provides engineering solutions. Straive offers data analytics and AI solutions. Khatib & Alami is a multidisciplinary design consultancy. Synergy Marine Group specializes in global ship management. VISTRA provides essential business services like HR, tax, and legal support. KPMG Singapore is part of a global network offering audit, tax, and advisory services.
The data shows a clear concentration of headquarters in Singapore for these professional services firms, indicating the city-state's role as a regional hub for various specialized services.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Quest Globalquestglobal.com
Provides comprehensive engineering solutions across multiple industries, leveraging global expertise and digital technologies to solve complex challenges. |
21,161 | |||
| 2 |
Straivestraive.com
Operationalize data analytics and AI solutions for enterprises, enhancing efficiency, user experience, and revenue across multiple industries globally. |
14,531 | |||
| 3 |
Khatib & Alamikhatibalami.com
A multidisciplinary design consultancy focused on professional excellence, sustainability, and innovation in delivering projects across various regions worldwide |
7,600 | |||
| 4 |
Synergy Marine Groupsynergymarinegroup.com
Global ship management company specializing in LNG, LPG, container ships, tankers, and bulk carriers with focus on crew wellbeing and sustainability. |
7,201 | |||
| 5 |
SJ Groupsjgroup.com
Designing and delivering quality housing, infrastructure, and sustainable urban spaces to create thriving communities and businesses worldwide. |
7,158 | |||
| 6 |
VISTRAvistra.com
Vistra provides essential business services to help companies and private capital funds grow, offering solutions for HR, tax, legal, compliance, and more globally |
6,438 | |||
| 7 |
PERSOL APACpersolkelly.com
Leading provider of integrated staffing and HR solutions across Asia-Pacific, combining local expertise with technology to support workforce needs. |
4,104 | |||
| 8 |
CBRE Asia Pacificcbre.com
Providing commercial real estate services across Asia Pacific with extensive local expertise, market coverage, and client business alignment. |
3,786 | |||
| 9 |
KPMG Singaporekpmg.com.sg
Global network of independent firms providing audit, tax, and advisory services with legal separation and local responsibility in 142 countries. |
3,310 | |||
| 10 |
PwC Singaporepwc.com
Building trust in society, solving important problems, delivering quality assurance, advisory, and tax services across 152 countries with nearly 328,000 people. |
2,595 | |||
| 11 |
Akin Gump Strauss Hauer & Feld LLPakingump.com
Global law firm with 900+ lawyers offering market-leading practices in complex transactions, litigation, and public policy Committed to diversity, innovation, and client success |
2,587 | |||
| 12 |
Meinhardt Groupmeinhardtgroup.com
Asian-based engineering company with global reach, providing innovative and sustainable solutions for complex projects in various industries worldwide |
2,540 | |||
| 13 |
NTT DATA Asia Pacificnttdata.com
Global business and technology leader providing AI, digital infrastructure, cloud, security, and consulting services to help organizations transition sustainably into digital futures. |
1,866 | |||
| 14 |
Keppel Ltd.keppel.com
Global asset manager specializing in sustainable infrastructure, real estate, and digital connectivity with extensive renewable energy and decarbonisation expertise. |
1,615 | |||
| 15 |
Accenture Southeast Asiaaccenture.com
A global professional services company helping businesses and governments achieve digital transformation, optimize operations, drive revenue growth, and enhance citizen services |
1,549 | |||
| 16 |
IQVIA Asia Pacificiqvia.com
Provider of advanced analytics, technology solutions, and clinical research services to life sciences companies for improved health outcomes. |
1,457 | |||
| 17 |
Space Matrixspacematrix.com
Creating positive work environments that foster employee growth, business development, and environmental sustainability for collective success. |
1,182 | |||
| 18 |
PwC South East Asia Consultingpwc.com
Consulting professionals across Southeast Asia combining people and technology to solve business challenges, unlock value, and build societal trust. |
1,169 | |||
| 19 |
Hytechhytechc.com
Leading consultancy driving digital transformation for fintech businesses Specializing in strategic consulting, technology solutions, and data-driven services for global organizations |
1,084 | |||
| 20 |
Cornerstone Global Partners (CGP Group)cgpgroup.com
A leading recruitment solutions and HR Technology platform with multiple awards, connecting high-quality talents and enterprises globally for the perfect fit |
991 | |||
| 21 |
InCorp Globalincorp.asia
Experts in business incorporation, secretarial & compliance, accounting & finance outsourcing, PEO, HR payroll, bookkeeping, taxation, immigration, VCC, family offices, business advisory, ESG, and risk assurance. |
988 | |||
| 22 |
Digitalhiredigital.com
Helping enterprises and high-growth startups enhance digital capabilities by connecting them with top digital marketers, developers, and designers quickly and efficiently |
961 | |||
| 23 |
Singapore International Arbitration Centresiac.org.sg
Provides neutral, efficient arbitration case management services globally, with expert arbitrators and transparent administration for international dispute resolution. |
702 | |||
| 24 |
RSM - Singaporersm.global
Providing audit, tax, advisory, and business support services to growing and international businesses, focusing on profit improvement and compliance. |
644 | |||
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. | |||||
| 25 |
Setsco Services Pte Ltdsetsco.com
Comprehensive testing, calibration, inspection, certification, consultancy, and training services for industries including oil, aerospace, marine, food, electronics, and construction. |
618 | |||
| 26 | 614 | ||||
| 27 |
Drew & Napier LLCdrewnapier.com
Provides world-class legal advice and representation to clients, solving complex problems and advancing interests through a network of top-tier law firms. |
602 | |||
| 28 |
EM Services Pte Ltdemservices.com.sg
A property management company providing services in public housing, commercial properties, property engineering, contracts, project management, with a focus on service excellence |
591 | |||
| 29 | 577 | ||||
| 30 |
Recruit Express Grouprecruitexpress.com.sg
Leading talent acquisition and flexible staffing firm in Asia, providing customized solutions for companies and job recommendation services for professionals across industries. |
513 | |||
| 31 |
PeopleSearchpeoplesearch.jobs
Identifying, assessing, and recruiting outstanding executives for mid to senior-level roles, providing bespoke human capital solutions to empower businesses and elevate careers in Asia. |
459 | |||
| 32 |
Tecturatectura.com
Provides business consulting services to mid-sized companies and large enterprises globally, helping clients create value and achieve business goals through technology and industry expertise. |
446 | |||
| 33 |
Asian Technology Solutionsasian-technology.com
Providing talent acquisition, consulting, IT services, cybersecurity, and fraud prevention solutions to businesses across Asia, Middle East, and Australia. |
432 | |||
| 34 | 416 | ||||
| 35 |
Artharthtechglobal.com
Provides innovative digital solutions and services for AEC professionals to transition from manual processes to data-driven workflows, enhancing productivity and operational margins. |
401 | |||
| 36 |
Helius Technologieshelius-tech.com
Provides IT services, talent and infrastructure on cloud, centers of excellence, permanent placements, and staffing augmentation for diverse industries across ASEAN. |
361 | |||
| 37 |
Baker Tilly Singaporebakertilly.sg
Provides assurance, tax, deal advisory, governance, risk, restructuring, outsourcing, and corporate secretarial services to diverse businesses. |
339 | |||
| 38 |
Knight Frank Singaporeknightfrank.com.sg
A global real estate consultancy in Singapore, providing integrated solutions, personalized advice, and innovative strategies to enhance investments, living spaces, and work environments |
325 | |||
| 39 |
Rolling Arraysrollingarrays.com
Provides HR transformation consulting, SAP SuccessFactors implementation, HR business consulting, change adoption, system support, and HRIS integration across Asia. |
325 | |||
| 40 |
Xtremaxxtremax.com
Leading cloud solutions provider transforming digital possibilities for government agencies, MNCs, and private organizations since 2003, with regional presence in Southeast Asia. |
315 | |||
| 41 |
Renoir Consultingrenoir.ycp.com
A global change management consulting company with over 25 years of experience, serving as clients' preferred transformation partner for real outcomes and sustainable change |
313 | |||
| 42 |
Aon Centre for Innovation and Analytics (ACIA)aon.com
Global investment in analytics delivering data-driven insights to clients, reducing volatility, and maximizing performance through risk, retirement, and health solutions. |
309 | |||
| 43 |
Trangile Servicestrangile.com
A global tech firm specializing in omnichannel solutions for retail, supply chain, and logistics, offering expertise in Oracle Retail, INFOR WMS, and more |
296 | |||
| 44 |
GECO Asia Pte Ltdgeco.asia
Providing expert IT consultancy and high-end technology resources across Asia, specializing in AI, Blockchain, Cloud, and Data Science. |
242 | |||
| 45 |
U3 Infotechu3infotech.com
Leading IT consulting and talent management services, delivering agile, scalable solutions across diverse industries for optimized operations, growth, and profitability. |
241 | |||
| 46 |
BTI Executive Searchbtiexecutivesearch.com
Executive talent acquisition, succession planning, board consulting, and global/regional executive hiring. Services span Singapore, Malaysia, India, Australia, China, Hong Kong, Indonesia, Thailand. |
202 | |||
| 47 |
Activate Interactiveactivate.sg
Technology consultancy providing end-to-end application development, cloud solutions, and UI/UX design to drive digital innovation and improve population health through holistic engineering. |
129 | |||
| 48 |
Pasona Singapore Pte. Ltd.pasona.com.sg
Professional recruitment agency with 35 years of experience in Singapore providing tailored HR services for clients and job seekers Specializes in local and Japanese-speaking talent placement |
32 | |||
| 49 |
Dealxpert Sales Performancedealxpert.io
It builds sales capabilities in Asia, offering tailored solutions and innovative tools for B2B sales organizations to enhance performance. |
1 | |||
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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.
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