10 Project Management and Construction Supervision Firms in Thailand (Updated 2025)

It is undeniable that in modern construction projects, appointing a professional construction consultant or construction management firm to act on behalf of the project owner is essential. Their role is to oversee and ensure that the contractor delivers work in alignment with the project’s goals. Without proper oversight, a project may face issues such as missing or unclear scopes of work (Scope), substandard quality (Quality), delays in completion (Time), and cost overruns (Cost). Additionally, poorly monitored work can lead to latent defects—hidden problems that may not be immediately visible—which could ultimately result in structural failure. Even if failure does not occur in the present, there remains a potential risk for future generations who will occupy the building.

This list features consulting engineering firms commonly appointed by project owners and well-known among practitioners in construction and property development in Thailand . Those interested may review their company profiles and track records through the websites provided.

 

1	Company Name:	MKL Consultants Co., Ltd.
	Tel:	020556648
	Email:	mkl@mklgroup.co.th
	Website:	www.mklconsultants.co.th

 

 

2	Company Name:	KCU Service Co., Ltd.
	Tel:	020556648
	Email:	–
	Website:	www.kcuservices.com

 

 

3	Company Name:	Project Planning Service Public Company Limited (PPS)
	Tel:	023005544
	Email:	pps@pps.co.th
	Website:	www.pps.co.th

 

 

4	Company Name:	22 Consultant & Management Co., Ltd.
	Tel:	021257598
	Email:	eng.22cm@gmail.com
	Website:	www.22cm.co.th

 

 

5	Company Name:	United Project Management Co., Ltd.
	Tel:	020810000
	Email:	info.upm@primo.co.th
	Website:	www.upm.co.th

 

 

6	Company Name:	Consulting & Management 49 Limited
	Tel:	022618263
	Email:	cm49@cm49.co.th
	Website:	www.cm49.co.th

 

 

7	Company Name:	TEAM Construction Management Co., Ltd.
	Tel:	023624900
	Email:	contact@teamcm.co.th
	Website:	www.teamcm.co.th

 

 

8	Company Name:	Stonehenge Inter Public Company Limited
	Tel:	026907462
	Email:	service@sti.co.th
	Website:	www.sti.co.th

 

 

9	Company Name:	Trusty Project Management Co., Ltd.
	Tel:	022462147
	Email:	trusty@trustypm.co.th
	Website:	www.trustypm.co.th

 

 

10	Company Name:	CEL Engineers Co., Ltd.
	Tel:	027515105
	Email:	info@cel.co.th
	Website:	www.cel.co.th

 

Guidelines for Selecting a Construction Consultant/ Consulting Engineer

The selection process may vary between organizations, but beyond service fees, it is crucial to understand that this is a professional service business. The quality of the result depends mainly on the quality of the team and the strength of the internal systems. Other factors are secondary. The key considerations include:

 

• Quality of the Team

This is the most fundamental factor. Each organization may use different screening methods. For example, the components within the MKL Model can be adapted as a checklist, such as:

• Knowledge: Does the team have real experience in similar types of work?
• Proactive behavior: Do submitted documents show sufficient detail and completeness? If not, this could indicate a tendency toward reactive behavior rather than proactive problem-solving.

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TIP:
A consulting engineer acts as the owner’s representative to inspect matters that the owner cannot see. For example, once concrete is poured, the owner cannot verify whether reinforcing steel or embedded items were installed correctly. If mistakes occur, they may cause long-term structural problems that are difficult—or impossible—to fix, potentially leading to failure under load and creating risks for future building occupants.
Therefore, trustworthiness should be the top priority when choosing a consultant.

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• Quality of the System

Even highly skilled staff can be affected by emotions—positive or negative—which may influence decision-making inconsistently. This is why organizations rely on systems: to prevent human variability, maintain quality consistency, and increase efficiency.

 

A strong system:

• Reduces errors and rework
• Minimizes waste in time and resources
• Detects abnormalities early for quick resolution
• Ensures continuity when personnel change

 

Organizations with weak systems struggle to retain talented people. Conversely, a strong system allows even less experienced staff to perform well. Most importantly, clients hire organizations—not individual engineers. When personnel rotate, firms lacking strong systems often create disruptions that directly affect project performance. For this reason, system quality must never be overlooked.