Builder.ai
Category: AI Developer Tools
An AI-powered low-code/no-code application development platform that claimed to enable businesses to build custom software and apps without technical expertise. However, reports later emerged that the company heavily relied on human engineers in India to write code, rather than the claimed AI-driven automation. Builder.ai was founded in 2016. The company is led by Manpreet Ratia. Based in London, England, United Kingdom. Team size: Significantly downsized from a peak of over 800 employees after filing for bankruptcy in 2025.. Total funding raised: $450 Million. Latest round: Series D ($250M in May 2023). Key investors include Insight Partners, Lakestar, ICONIQ Capital, Jungle Ventures, SoftBank, Qatar Investment Authority, Viola Credit (Key Lender).
- Founded
- 2016
- Headquarters
- London, England, United Kingdom
- Team size
- Significantly downsized from a peak of over 800 employees after filing for bankruptcy in 2025.
- Total funding
- $450 Million
Value proposition
To make software development as easy as ordering pizza by using an AI-powered assembly line approach, combining reusable features with human talent to reduce costs and timelines.
Products and solutions
Builder Studio, Builder Cloud, Studio Store, Builder Now, Builder Enterprise, Natasha (AI project manager)
Unique value
Builder.ai combined an AI project manager (Natasha) with a library of reusable features and a network of human developers. However, investigations post-collapse revealed this 'human-assisted' component was predominant, with reports of up to 700 engineers in India manually performing work attributed to AI.
Target customer
Entrepreneurs, small to medium-sized businesses (SMBs), and enterprises seeking to build custom digital products (apps, websites) affordably and quickly.
Industries served
Retail, E-commerce, Healthcare, Fintech, Logistics, Hospitality
Technology advantage
The core advantage was its 'AI-powered assembly line' model, which promised to make custom software development faster and cheaper. This model was later revealed to be heavily dependent on a large team of human engineers rather than pure AI automation.
How they differentiate
While competitors provided DIY low-code/no-code tools, Builder.ai offered a 'Done For You' (DFY) model, managing the entire development process. Its key differentiator was its 'human-assisted AI' approach, which was later revealed to be more reliant on human engineers than was publicly marketed.
Main competitors
OutSystems, Mendix, AppGyver (SAP), Wix, Shopify
Key partnerships
Microsoft (Strategic investor and partner), Hewlett Packard Enterprise, Etisalat UAE
Notable customers
BBC, Virgin Group, PepsiCo, NBCUniversal
Major milestones
Reached 'unicorn' status with a valuation over $1 billion. Secured a strategic investment from Microsoft as part of its Series C funding. Expanded globally with key offices in the US, UK, Middle East, and India. Filed for bankruptcy and ceased operations in mid-2025 following a creditor seizing company funds and revelations of financial irregularities.
Growth metrics
Achieved 'unicorn' status with a valuation over $1 billion. The company claimed revenue growth of 300%, but post-collapse investigations revealed these figures were significantly inflated, with allegations of 'round-tripping' and sales projections being revised down by as much as 75%.
Market positioning
Positioned as a disruptor to both traditional software development agencies and DIY low-code platforms. However, its collapse following revelations of financial misrepresentation and 'AI washing' has significantly impacted its market legacy.
Geographic focus
Global, with major offices and operations in London (UK), Los Angeles (USA), Delhi (India), and Dubai (UAE).
Patents and IP
Information not publicly available.
About Manpreet Ratia
Manpreet Ratia has a background in e-commerce and financial services, with previous leadership roles at major companies like Amazon and Flipkart. Before joining Builder.ai, he was a managing partner at Jungle Ventures, a Singapore-based venture capital firm. His experience in scaling businesses and driving growth is a key asset for Builder.ai.
Official website: https://www.builder.ai/