FAQ

3. FAQ: What does Marquis Intelligence do

This FAQ section explains what Marquis Intelligence does through an overview of the types of facilities and project phases the company covers in its work.

The answers include the main areas of application, the scope of services, and the way projects are delivered.

They cover everything from consulting and design to implementation, supervision, and system maintenance.

As a result, this section gives a clear overview of what Marquis Intelligence does in different types of projects.

It also helps readers better understand the complete engineering approach that the company applies in ventilation and air purification.

3.1. What types of facilities does Marquis Intelligence work on?

Marquis Intelligence delivers projects in many types of facilities. These include private homes, luxury residences, hotels, restaurants, office buildings, healthcare facilities, industrial plants, airports, and shopping centers.

In addition, the company works on other facilities where ventilation and air quality require a professional engineering approach.

Each project depends on the function of the building. It also depends on the size of the facility and the specific needs of its users.

However, the engineering approach remains consistent, regardless of project scale.

CONFIRMATION

Marquis Intelligence has completed many projects over the years.

However, the company is particularly recognized for references such as London City Airport and The Beaumont Hotel in London.

At The Beaumont Hotel, the company’s technical solution received the Best in Tech award at The Brit List Awards 2022.

More about this award can be found in the article on the eKapija portal:
Technical solution for air purification by a Serbian company won first place in the Best in Tech category in London

In addition, more information about standout projects from recent years can be found in Marquis Intelligence blog posts:

3.2. Does Marquis Intelligence work only on new buildings, or also on projects involving renovation and reconstruction?

Marquis Intelligence works on both new buildings and existing facilities.

The company has experience in renovation and reconstruction projects.

In addition, it works on new construction and extension projects.

In each case, the team adapts the approach to the existing infrastructure.

It also considers construction conditions, technical constraints, and permits.

Moreover, this approach includes organizational factors.

These may include project timelines, site access, and execution conditions.

CONFIRMATION

Through its extensive experience, Marquis Intelligence has participated in projects of different types and implementation phases.

Integration into existing buildings

Marquis Intelligence carried out reconstruction of ventilation systems in the National Assembly of Serbia and the Gallery of the Serbian Academy of Sciences and Arts in Belgrade.

In both cases, the buildings continued to operate during the works.

At the same time, the projects fully complied with safety and technical requirements.

There are many other examples of upgrades and reconstructions.

These range from private apartments and hospitality venues to hospitals, airports, and industrial facilities.

Integration into new buildings under construction

Marquis Intelligence has also participated in numerous projects during the construction phase.

Examples include the Emergency Center within the Clinical Center of Vojvodina in Novi Sad.

They also include hotels such as Hilton Belgrade and Mövenpick/Teuta in Montenegro.

In addition, the company worked on office buildings such as Delta House in New Belgrade.

Further examples include residential buildings, restaurants, and many other facilities.

For more information, see:

3.3. Does Marquis Intelligence provide complete “turnkey” solutions?

Yes. Marquis Intelligence provides complete turnkey engineering solutions.

This approach covers all key project phases.

It starts with consulting and design.

Then, it continues with equipment supply, installation, commissioning, user training, and system maintenance.

As a result, the client receives a complete technical solution from one engineering partner.

CONFIRMATION

Marquis Intelligence has delivered numerous projects on a turnkey basis.

One of the more significant examples is the flue gas purification system for a biomass boiler at the Dijamant oil industry plant in Zrenjanin.

In this project, Marquis Intelligence designed, supplied, installed, and commissioned the system.

Moreover, the project achieved a return on investment in just eight months.

The system has continued to operate reliably for many years.

Therefore, this example clearly shows the company’s ability to deliver complex industrial air purification solutions from concept to operation.

For more information, see:

LinkedIn post: Electrostatic Precipitator – Turn-Key Project at Dijamant

3.4. Can Marquis Intelligence be engaged for design services?

Yes. Depending on the client’s needs, Marquis Intelligence can provide design services.

The company can also prepare technical documentation.

In addition, it can provide expert opinions or validate existing solutions.

In most cases, these services form part of a complete turnkey solution.

CONFIRMATION

Marquis Intelligence has worked as a design engineer on numerous projects.

One of the more extensive documentation examples is the flue gas purification system for a biomass boiler at the Dijamant oil industry plant in Zrenjanin.

For this project, Marquis Intelligence prepared discipline-specific designs.

Moreover, the project confirms the company’s ability to support complex industrial air purification systems through both design and implementation.

More about this project can be found in the Marquis Intelligence LinkedIn post:
Dijamant, Zrenjanin

3.5. Does Marquis Intelligence provide professional supervision of construction works?

Yes. Marquis Intelligence provides professional supervision of construction works.

Licensed engineers carry out this supervision in accordance with applicable laws and standards.

In practice, professional supervision includes quality control.

It also includes compliance verification and safety oversight.

CONFIRMATION

On projects with specific operational requirements, Marquis Intelligence has conducted enhanced supervision.

Such projects include airports, hospitals, and hotels.

In these cases, the company also performs final testing before commissioning.

3.6. Does Marquis Intelligence provide advisory or consulting services?

Yes. Marquis Intelligence provides advisory and consulting services in the fields of ventilation, HVAC, indoor air quality, and air purification.

In practice, clients often engage the company before they make final technical decisions.

For example, Marquis Intelligence can analyse the existing situation, review project requirements, and identify possible technical constraints.

In addition, the company can compare different technical solutions and assess their practical advantages and limitations.

As a result, clients receive clearer technical guidance before choosing the final system concept.

This type of support is especially important in complex projects.

These may include buildings with strict comfort requirements, sustainability goals, limited installation space, or demanding operating conditions.

CONFIRMATION

Marquis Intelligence has provided advisory and consulting support on different types of projects.

One relevant example is Delta House in Belgrade.

In this project, advanced technological solutions supported high indoor air quality and the wider sustainability concept of the building.

Moreover, Delta House is presented in the GRENEF article as an example of innovative technological solutions in construction.

For more information, see:

GRENEF article: Delta House – Innovative technological solutions in construction

3.7. Does Marquis Intelligence execute international projects?

Yes. Marquis Intelligence has completed a significant number of international projects.

In fact, these projects cover multiple countries.

So far, most of them have been carried out in Montenegro and the surrounding region.

However, some of the most complex and demanding projects have been delivered in the United Kingdom.

In practice, Marquis Intelligence solutions have been implemented in hotels, restaurants, healthcare facilities, office buildings, and airports.

As a result, the company has gained experience across different markets and project environments.

CONFIRMATION

Among the most notable international references are projects in London.

For example, Marquis Intelligence worked on London City Airport and The Beaumont Hotel.

At The Beaumont Hotel, the technical solution by Marquis Intelligence received the Best in Tech award at The Brit List Awards 2022.

In addition, Marquis Intelligence has delivered projects in other international locations.

These include commercial buildings, hospitality venues, and specialized systems.

Moreover, in 2025, Marquis Intelligence completed its first equipment delivery to the Hungarian market.

Among larger international engagements, one project stands out in Africa.

In that project, multiple industrial plants received equipment based on the technical solution developed by Marquis Intelligence.

However, due to confidentiality requirements, Marquis Intelligence does not disclose specific names or locations.

3.8. Does Marquis Intelligence provide maintenance services for the systems and equipment it designs and installs?

Yes. Marquis Intelligence provides professional maintenance services for the systems and equipment it designs and installs.

In practice, these services include both preventive and corrective maintenance.

For example, the company performs periodic inspections, system diagnostics, and replacement of consumable parts.

In addition, Marquis Intelligence can organize maintenance through service contracts.

Alternatively, clients can request maintenance on demand, depending on their needs.

CONFIRMATION

A strong example comes from the retail chain Delhaize Serbia.

For this client, Marquis Intelligence has supplied and maintained systems for exhaust and purification of waste air from prepared food and bakery departments.

Moreover, this cooperation has continued for more than 15 years.

As a result, it clearly shows the importance of long-term service support and reliable system maintenance.

For more information, see:
Maintenance of HVAC and IAQ systems – the pillar of reliability

3.9. Does Marquis Intelligence provide service and spare parts supply for systems installed abroad?

Yes. Marquis Intelligence provides service and spare parts supply for systems installed outside Serbia as well.

Depending on the location of the facility and specific equipment, service is organized either directly or in cooperation with local partners. For systems where rapid response is critical, it is recommended to establish a maintenance contract, which may also include emergency interventions abroad.

CONFIRMATION

Marquis Intelligence organizes maintenance at London City Airport (UK), where strict procedures and controls are in place. Over more than ten years of cooperation, service activities have included regular preventive maintenance, as well as the organization of spare parts delivery and replacement in accordance with the facility’s procedures.

In this case, maintenance is carried out through a partner service company in London, trained by the Marquis Intelligence team from Belgrade.

3.10. Does Marquis Intelligence supply spare parts and maintain its own inventory?

Yes. Marquis Intelligence maintains its own inventory of spare parts for the most commonly used components and systems it supplies and installs.

As a result, the company can respond faster when clients need replacement parts.

Spare parts are delivered upon customer request.

In addition, Marquis Intelligence supplies them during service interventions and within maintenance contracts.

CONFIRMATION

Service activities often require rapid response.

For this reason, Marquis Intelligence keeps an optimal stock of spare parts.

For example, just before New Year, a failure occurred in a system serving a restaurant in a high-category hotel in Belgrade.

In this facility, the client used a combined maintenance approach.

This included regular cleaning and system checks, with component replacement after failure.

The failure involved specific silver-coated tubes used for bipolar air ionization.

As a result, noticeable odours appeared in the restaurant.

Marquis Intelligence service technicians replaced all tubes within a few hours.

After that, the odour issue was successfully resolved.

SEE MORE: Article on Marquis Intelligence service reliability (in Serbian)