In order to find factory construction contractors in Vietnam, the investor is not only interested in reasonable construction costs, but also needs to evaluate the quality, reputable, and suitability with the project of the general contractors.
Diverse experience
Each different construction project will have different technical requirements, different construction methods and different construction experience.
Factories of pharmaceutical, bio-products, or in food industry, … right from the design, the contractor has to carefully calculate the clean air supply system, ventilation, … to ensure the standard pressure and standard humidity inside workshop.


As for factories producing electronic components, the issue of static electricity is extremely interested. Static electricity of 5V can damage electronic equipment and machinery. The general construction contractor needs experience in handling this problem, providing protection solutions right from the design stage.
The more diverse experience in constructing factories the general contractor has, the more abundant comprehensive technical solution they have, the better they can handle all the complex requirements of the factory.
The quality of the works represent the qualifications of the construction contractor
The projects that have been handed over and put into use are the toughest test for the general contractor’s management, professional ability and construction quality. The positive feedback of the users themselves, the investor about the convenience and safety of the project, … is also an objective measure for investors to refer to.

In addition, industrial constructions generally have a shorter lifespan than civil constructions, due to their continuous production, the effects of dust, corrosion, or poor maintenance. Therefore, referring to a few factories that have been in operation for 4-5 years, the investor will have the most accurate assessment of the design and construction quality of the general contractor.
Price terms
The lump-sum contract is safer for the Investor than an adjustable unit price or fixed unit price contract. With the Lump-Sum Turnkey Contract, in the case of additional items arising during the construction compared to the agreed design, or the material price increases abnormally, the Employer will not have to pay any additional costs.

See more: Despite the decline in consumption, construction steel prices still surged
Package price terms often come with the Lump-Sum Turn Key contract, then the general contractor need to carefully balances all costs, ensuring the project implementation as committed without any additional costs.

The above are the most important criteria to find a construction contractor that brings the highest quality to the project at the most appropriate cost with the company’s capital. In addition, the investor also needs to consider many other factors such as: labor safety in construction, project progress, …
Factors affecting factory construction cost
Form for collecting contractor information
Deploying a specific and transparent process, with clear and detailed requirements for information records, will help investors most accurately assess the ability of the construction contractors.
Proposed template of Contractor Information Profile below may help investors searching and selecting suitable general construction contractors:
- Bidding progress
1.1 Contractor prequalification progress: From …/…/… to …/…/…
Bidding documents are submitted by email. Investor’s email includes:
- Mr./Mrs ………………..Email….. Job title…
- Mr./Mrs ………………..Email….. Job title…
- Mr./Mrs ………………..Email….. Job title…
Preliminary results announced on: …/…/…. (in writing and by email)
Pre-qualification documents are guided in Section 2.
1.2 Bidding progress
Introduce the bidding package directly or send by email: …/…/….
- Submit bids by email: …. : …. AM/PM, on …/…/… (Submit by scanned copy with stamp for bid letter and quotation summary)
- Submit hard copy before: … :… AM/PM, on …/…/…
- Offer letter includes:
- Quotation according to BOQ
- Construction schedule
- Documents of construction methods and construction site management
- Organization chart
- List of materials
- Proposal for change
- Methods to prevent the spread of Covid during construction progress.
1.3 Time to announce winning bid and negotiate: …/…/…
Form: by email and face-to-face negotiation.
2. Required documents for the prequalification process
1- Financial report (2018 – 2020)
2- Bank Confirmed Credit Rating Documents
3- Project profiles:
- Projects for the last 5 years (Investor, country, area construction, contract value, scope of work)
- Projects related to the investor’s industry
4- Company organization chart
5- Business registration
6- Certificate of competency in construction activities
7- ISO certifications
8- Company profile
9- List of partners and suppliers such as: steel structure, electrical equipment, fire protection…
10- Other documents (if any)