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One partner

We manage design, engineering control and digital information management in one system, so every project participant can rely on the same up-to-date, verified information.

3 dimensions, one platform

In every project, we connect three professional perspectives: design thinking, engineering control and digital continuity. This is the basis of how we work: whichever service area starts the collaboration, these three perspectives help make the project more transparent, better coordinated and more useful in the long term.

Design thinking

General design, architecture, interior design and discipline design in one data environment, from concept to construction documentation.

Engineering control

Client-side representation, cost and responsibility control, project management and practical constructability throughout the process.

Digital continuity

BIM-based workflows, a common data environment and structured information management, so project information is not lost between phases.

01 Engineering Consulting

Early decision support, technical preparation and strategic consulting, so the project starts in the right direction.

BuildEXT services - engineering consulting

Investment decision support

BuildEXT supports clients in the early preparation phase by turning uncertain investment ideas, statutory requirements and technical constraints into structured, testable and comparable development directions.

We analyse the project context, help clarify the client’s objectives, and turn abstract ideas into a development basis that can be evaluated from both business and technical perspectives.

  • Site and building potential analysis
  • Functional and spatial feasibility studies
  • Development scenarios and test fits
  • Risk identification before design starts
  • Early cost, schedule and scope assumptions
  • Decision-support materials for owners, investors and management teams

The client receives a clearer picture of what is technically feasible, commercially justified and worth developing further — before unnecessary time and money are committed to the project.

02 General design

Architectural and discipline design in a coordinated system, from concept through permitting to construction documentation.

BuildEXT services - general design

Our comfort zone begins where others reach their limits

We provide coordinated architectural and discipline design services, connecting design intent with technical feasibility, constructability and operability.

Thanks to our multidisciplinary way of working, the project develops in a controlled, model-based environment where design decisions remain aligned throughout the entire process.

  • Architectural design from concept to detailed design documentation
  • Discipline design and coordination
  • BIM-based design and model coordination
  • Clash detection and technical consistency checks
  • Construction documentation
  • Design support during tendering and construction
  • Coordination with authorities, consultants and contractors

The client receives a coordinated, buildable and technically reliable design package that reduces information gaps, late-stage redesign and construction-phase uncertainty.

03 Interior Design

Workspaces, community spaces and business interiors designed in balance with function, brand, user experience and constructability.

BuildEXT szolgáltatás - belsőépítészeti tervezés

BuildExt Business Experience – data-driven interior design

We design business interiors that go beyond aesthetics. Workplace strategy, BIM-based precision, carefully selected furniture and materials, sustainability considerations, visualisation and delivery support are brought together in one process.

The result is a workplace that supports hybrid work, collaboration, focused work, wellbeing and employer branding, while keeping design quality, cost control and long-term usability in balance.

  • Hybrid-ready workplace design
  • Wellbeing and employee experience
  • BIM-based coordination and cost control
  • Carefully selected materials, furniture and supplier background
  • Sustainable, durable and operation-conscious solutions
  • Archviz and VR for faster, clearer decisions

The client receives a measurable workplace investment: better employee experience, stronger brand perception, lower delivery risk and a more future-proof office environment.

04 Project management

Engineering-focused project management: controlled coordination of schedule, cost, quality, decisions and project participants.

BuildEXT services - project management

A successful project is not measured by a good design alone

During delivery, we act as the client’s representative and ensure structure, coordination and transparency between design, procurement, construction and FM preparation.

Our project management approach is based on continuity and transparency. Our workflow supports design, coordination, reporting, issue tracking, decision preparation and quality control on one platform, helping the client make well-founded decisions throughout the project.

  • Project planning and delivery strategy
  • Coordination between the client, designers, consultants and contractors
  • Scope, schedule and cost control
  • Meeting structures, decision logs and reports
  • Design and construction-phase coordination
  • Risk, issue and change management
  • Quality and documentation control

The client receives a more transparent and controlled project process, with clearer responsibilities, fewer surprises and better-prepared decisions throughout delivery.

05 Digital integration

BIM, CDE and data management solutions, so project information remains usable from design through operation.

BuildEXT services - digital integration

We connect experience with technology

We manage the information created during the project in a common data environment that connects design, construction and operation through one controlled information structure.

The model and related data evolve continuously and remain structured, accessible and reliable throughout the full lifecycle.

  • BIM and information management strategy
  • Common Data Environment structure
  • Model coordination and data standards
  • Document control and version management
  • Design and construction information workflows
  • Scan-to-BIM and as-built model support
  • Handover data and operation-ready information structure

The client receives a single verified information base for the project: structured, traceable and reusable data that supports decisions during design, construction and operation.

From decision preparation to handover

One of the biggest risks in projects is information loss. At BuildEXT, the 5 service areas are connected by the 3 professional dimensions and CDE-based workflows, so no project information is lost between decision preparation, design, delivery and handover.


01 Clarifying engineering foundations and project objectives


02 Digitising the existing condition and design basis


03 Design in a coordinated data environment


04 Project control and delivery support


05 Construction follow-up and feedback


06 Digital handover and usable project data

Development areas

In investment projects, the task is often not limited to a single building. Existing infrastructure, operational processes, utilities and new technological requirements together define the direction of development.

Complete site development

Laboratory building extension

Elektronikai alkatrészgyártó üzem barnamezős beruházása Budapesten

Manufacturing plant in a brownfield area

“Transforming a more than 37,000 m² heritage industrial facility into an international-level model factory is a demanding task that requires serious commitment and resilience. I have been working on the development of the Continental Budapest site for more than five years with the n-Gon team, later BuildEXT, and during this overall investment of more than HUF 40 billion, I had many opportunities to get to know them in challenging situations.

With their creativity, broad engineering knowledge and advanced BIM design technology, they often showed new ways forward and delivered even seemingly impossible commitments on time. They grew together with the project, represented the client’s interests and consistently delivered high-quality designs.

They are a reliable, flexible partner and a team we enjoy working with. Thank you for the successes we have achieved together.”