How Flux Burned Through $29M – Lessons for AEC Innovators
Want to go deeper? Join our Patreon community for exclusive, not publicly available content and support the future of architecture, engineering, and construction. INDUSTRY INSIGHTSFlux’s $29m+ Failure – Lessons for the AEC Industry Learning from failures is a powerful tool. Building on our “what went wrong” content (check out our previous post covering Modulous who spent £10m in one year), we’ve examined the story of Flux. Despite raising a $29m Series B, Flux struggled to monetise effectively, which led to its eventual downfall. But why? And what can we learn? Let’s explore. In 2014, a group of innovative thinkers launched the first company to publicly emerge from Google X’s incubator. Their aim? To improve building efficiency by streamlining the design process and enabling easy information sharing among users. Flux’s ambitious vision focused on solving one of the construction industry’s persistent problems: data interoperability. The company aimed to create a seamless ecosystem where architects, engineers, and other stakeholders could share information effortlessly, similar to how Google’s G Suite enables collaboration across various productivity tools. At its core, Flux aspired to be more than just a software provider. It aimed to become a platform where developers could build micro-apps, accessing data from various sources such as Revit, SketchUp, and Excel. This approach promised to create a rich, interconnected environment that could significantly enhance building design processes. The ultimate goal was clear: by enabling better information sharing, Flux believed it could lead to the design and construction of superior buildings. This vision resonated with many in the industry who recognised technology’s potential to transform traditional workflows and improve outcomes. However, despite its grand vision, enthusiastic customers, and the clear problem it was addressing, Flux encountered significant challenges that would ultimately lead to its demise. Business Model Issues One of the primary challenges Flux faced was monetisation. The company initially adopted a freemium model, aiming to attract a large user base that could later be converted into paying customers. However, this strategy proved problematic. When Flux eventually introduced pricing, there was resistance from the user community, many of whom had grown accustomed to using the product for free. Moreover, Flux found itself selling to the wrong decision-makers. While computational designers and tech-savvy professionals enthusiastically embraced the product, these individuals often lacked the authority to make purchasing decisions within their organizations. The disconnect between the users who saw value in the product and those holding the purse strings became a significant obstacle. Industry-Specific Hurdles The construction industry presented its own unique set of challenges. One of the most significant was a general reluctance to share data due to liability concerns. While Flux’s vision was built on the free flow of information, many companies were hesitant to share even minimal data, fearing potential legal repercussions if shared data led to errors or disputes. Anthony Buckley-Thorp, a former employee of Flux, highlighted this issue with a poignant observation: “The Starry-Eyed dream that again I subscribed to was this free flow of information, right? Like if we can, the architect and the engineer and the client, we can all share information freely. We will be able to design better buildings. It’s a simple fact. But the hard reality is that they don’t want to share the data. They don’t want to share a single byte more than they absolutely need to because they’re exposing themselves to contractual risk.” This quote is significant. Construction is an industry prone to ‘passing the buck’, and this, unfortunately, was a key factor in Flux’s downfall. Furthermore, the construction industry’s project-based nature posed additional difficulties. With projects often spanning several years, the sales cycle for construction tech products can be exceptionally long. This misalignment between the typical lifespan of a tech startup and the duration of construction projects created additional pressure on Flux’s business model. Lastly, Flux’s collaborative approach conflicted with some of the traditional incentives in the construction industry. In an environment where companies often generate revenue through claims against one another, the idea of transparent, seamless collaboration was met with resistance. User Adoption Struggles Whilst Flux found enthusiastic supporters among early adopters and tech-forward professionals, it struggled to bridge the gap to mainstream users. Many potential users were more concerned with completing their daily tasks efficiently than adopting new, potentially disruptive technologies. Additionally, there was often a disconnect between the value that computational designers and other tech-savvy professionals brought to their organisations and how these individuals were perceived by leadership. This undervaluation made it difficult for Flux to demonstrate its worth to key decision-makers who might not fully appreciate the potential impact of the technology. The Pivot and Eventual Downfall As these challenges mounted, Flux found itself at a crossroads. Despite having a product that users loved and substantial funding, the company wasn’t able to achieve the growth and monetisation that its investors expected. In response, Flux made the difficult decision to pivot around 2018. This pivot led to the creation of Helix, a new venture focused on digitising existing built assets. Whilst Helix found some success and was eventually acquired by Density.io, it marked the end of Flux’s original vision. The original Flux model, despite its innovative approach and enthusiastic user base, proved unsustainable in the face of industry realities and monetisation challenges. The company’s inability to convert its technological achievements and user enthusiasm into a viable business model ultimately led to its restructuring. Source: Density.io Lessons Learned Business Model Considerations – Freemium & Selling To The Right PersonOne of the critical lessons from Flux’s experience is the importance of having a clear monetisation strategy from the outset. While the freemium model can be effective in some industries, it proved problematic in the context of construction technology. Future startups should carefully consider how their pricing and business models align with the realities of the construction industry. It’s also crucial to identify and sell to the right decision-makers. Whilst end-users may love a product, if it doesn’t resonate with those holding budgetary authority, scaling will be challenging. Startups need to











