In recent years, the construction industry has witnessed a surge of interest in modular construction, with tech startups and investors alike seeing potential for disruption and innovation. However, the path to success in this space is far from straightforward, as evidenced by the contrasting fortunes of various players in the field. At the heart of this discussion lies a crucial decision: should companies adopt an asset-heavy or asset-light approach?
Understanding Asset-Heavy Models
Asset-heavy models in modular construction typically involve significant investments in manufacturing facilities, equipment, and vertical integration of the construction process. Companies like Katerra and Nexii exemplify this approach, aiming to control every aspect of the building process from design to manufacturing to on-site assembly.
Katerra, founded in 2015, raised a staggering $1.6 billion. The company’s ambitious goal was to revolutionise construction through a fully integrated model, combining architecture, engineering, and construction management. Similarly, Nexii, established in 2019, focused on sustainable building practices using its proprietary material, Nexiite, and invested heavily in manufacturing facilities.
The potential advantages of this approach include greater control over quality, the ability to standardise processes, and the promise of significant cost savings through economies of scale. However, as we’ll see, these benefits often come with substantial risks.
The Rise of Asset-Light Models
In contrast, asset-light models focus on leveraging existing supply chains and competencies within the industry. These companies typically emphasise software, project management, and coordination rather than owning physical assets.
Patric Hellermann highlighted the appeal of this approach: “I like the category for multiple reasons. So first reason is… it’s a very controllable and standardisable process, including the foundations that you need to put up. And so when you standardise it and when you make it controllable is when you can introduce new pools of labour supply into that specific trade.”
In this episode, we discussed Nexii’s attempt to relaunch after going into liquidation, highlighting the challenges in offsite modular construction.
Companies like Brick and Bolt in India and O11H in Barcelona are examples of successful asset-light models in the construction space. These firms focus on optimising processes, improving efficiency, and leveraging technology without the burden of massive physical infrastructure.
Case Studies: Successes and Failures
The contrasting fates of Katerra and Nexii provide valuable insights into the challenges of asset-heavy models. Katerra’s aggressive expansion and attempt to integrate various aspects of construction proved overly complex and financially unsustainable. Despite substantial funding, the company filed for bankruptcy in June 2021, citing financial mismanagement, market challenges, and the impact of COVID-19.
Nexii, while still operational, has faced significant financial difficulties. In early 2024, the company filed for creditor protection, citing debts exceeding $109 million. The rapid expansion, including the establishment of a manufacturing facility in Pennsylvania, led to unsustainable financial commitments.
Nexii’s Roller Coaster: A Construction Tech Unicorn’s Fall and Potential Resurrection
On the other hand, asset-light success stories like Brick and Bolt demonstrate the potential of this approach. The company’s focus on labour sourcing and material sourcing, without the burden of heavy assets, has allowed for more flexible and sustainable growth.
Key Lessons for the Industry
The experiences of these companies offer several crucial lessons:
Capital Efficiency: Asset-heavy models require substantial upfront investment and ongoing operational costs, which can strain finances during market fluctuations or project delays.
Scalability Challenges: Rapid expansion in asset-heavy models can lead to operational complexities and financial strain, as seen with both Katerra and Nexii.
Leveraging Existing Competencies: Asset-light models can benefit from the expertise and infrastructure already present in the industry, reducing risk and allowing for more agile operations.
Balancing Innovation and Execution: While innovative technologies are crucial, practical execution and market alignment are equally important for success.
The Role of Technology in Asset-Light Models
Technology plays a pivotal role in enabling asset-light models to compete effectively. Cloud manufacturing, AI-driven design and project management, and even embodied AI in robotics are transforming the industry.
Jenny Song, a venture capitalist specialising in construction tech, emphasised this point: “We have been pretty interested in embodied AI as well. So that’s kind of, you know, the mash of generative AI and other types of AI with robotics and other types of machinery.”
Considerations for Startups and Investors
For those entering the modular construction space, several factors should be considered:
Market Conditions: Understand the current state of the construction industry and how your approach aligns with market needs.
Control vs. Flexibility: Weigh the benefits of controlling the entire process against the flexibility and reduced risk of an asset-light model.
Path to Profitability: Ensure a clear strategy for achieving profitability, particularly in asset-heavy models where costs can quickly escalate.
The Future of Modular Construction
The industry continues to evolve, with potential for hybrid models that combine elements of both asset-heavy and asset-light approaches. Changing investor sentiment, particularly following high-profile failures, may also shape the future landscape.
The choice between asset-heavy and asset-light models in modular construction is not merely a business decision but a strategic one that can determine a company’s long-term viability. While asset-heavy models offer the allure of full control and potential for significant disruption, the risks and capital requirements are substantial. Asset-light models, leveraging technology and existing industry competencies, may offer a more sustainable path forward for many startups in this space.
As the industry continues to grapple with these challenges and opportunities, one thing is clear: the future of modular construction will be shaped by those who can effectively balance innovation, financial sustainability, and market needs.



