Built Cybernetics (LSE:BUC) FCF Margin %: -0.96% (As of Mar. 2026)


What is Built Cybernetics FCF Margin %?

Built Cybernetics LSE:BUC FCF Margin % is -0.96% as of Mar. 2026. The stock has 3 warning signs investors should review. Among 1,765 Construction companies, Built Cybernetics ranks worse than 69.86% on this metric.

FCF Margin % is calculated as Free Cash Flow divided by its Revenue. Built Cybernetics's Free Cash Flow for the six months ended in Mar. 2026 was £-0.10 Mil. Built Cybernetics's Revenue for the six months ended in Mar. 2026 was £9.88 Mil. Therefore, Built Cybernetics's FCF Margin % for the quarter that ended in Mar. 2026 was -0.96%.

As of today, Built Cybernetics's current FCF Yield % is -10.15%.

The historical rank and industry rank for Built Cybernetics's FCF Margin % or its related term are showing as below:

LSE:BUC' s FCF Margin % Range Over the Past 10 Years
Min: -12.18   Med: -1.22   Max: 7.36
Current: -3.08


During the past 13 years, the highest FCF Margin % of Built Cybernetics was 7.36%. The lowest was -12.18%. And the median was -1.22%.

LSE:BUC's FCF Margin % is ranked worse than
69.86% of 1765 companies
in the Construction industry
Industry Median: 2.64 vs LSE:BUC: -3.08


Built Cybernetics FCF Margin % Related Terms


Built Cybernetics FCF Margin % Historical Data

* Premium members only.

The historical data trend for Built Cybernetics's FCF Margin % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Built Cybernetics FCF Margin % Chart

Built Cybernetics Annual Data
Trend Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25
FCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -7.26 -12.18 7.36 -1.62 -2.35

Built Cybernetics Semi-Annual Data
Sep16 Mar17 Sep17 Mar18 Sep18 Mar19 Sep19 Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25 Mar26
FCF Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 1.68 -5.01 0.37 -5.23 -0.96

LSE:BUC vs PWR, FIX, EME: FCF Margin % Comparison

For the Engineering & Construction subindustry, Built Cybernetics's FCF Margin %, along with its competitors' market caps and FCF Margin % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Built Cybernetics FCF Margin % vs Construction Industry

For the Construction industry and Industrials sector, Built Cybernetics's FCF Margin % distribution charts can be found below:

* The bar in red indicates where Built Cybernetics's FCF Margin % falls into.



Built Cybernetics FCF Margin % Calculation

FCF margin is the ratio of Free Cash Flow divided by net sales or Revenue, usually presented in percent.

Built Cybernetics's FCF Margin for the fiscal year that ended in Sep. 2025 is calculated as

FCF Margin=Free Cash Flow (A: Sep. 2025 )/Revenue (A: Sep. 2025 )
=-0.472/20.061
=-2.35 %

Built Cybernetics's FCF Margin for the quarter that ended in Mar. 2026 is calculated as

FCF Margin=Free Cash Flow (Q: Mar. 2026 )/Revenue (Q: Mar. 2026 )
=-0.095/9.883
=-0.96 %

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about FCF Margin % →
What does a FCF Margin % of -0.96% mean?
Built Cybernetics (LSE:BUC) has a FCF Margin % of -0.96% as of Mar. 2026. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Built Cybernetics and its competitors. According to the industry distribution chart, Built Cybernetics ranks #1233 out of 1765 companies in the Construction industry, placing it in the top 69.9%.
Is Built Cybernetics' FCF Margin % too high?
Built Cybernetics' current FCF Margin % is -0.96%. Based on the distribution chart, Built Cybernetics ranks #1233 out of 1765 companies in the Construction industry, which is below the industry midpoint.
How does Built Cybernetics' FCF Margin % compare to PWR and FIX?
According to the Construction industry distribution chart, Built Cybernetics ranks #1233 out of 1765 companies for FCF Margin %. This places Built Cybernetics in the lower half of its industry. The industry median FCF Margin % is 2.64. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for a Construction company?
The median FCF Margin % among Construction companies is 2.64, based on 1,765 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Built Cybernetics and its competitors. For the Construction industry, the median FCF Margin % is 2.64 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Built Cybernetics's current FCF Margin % is -0.96%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Built Cybernetics stock overvalued right now?
Based on GuruFocus' analysis, Built Cybernetics (LSE:BUC) is currently considered Modestly Undervalued. The stock's GF Value™ is £0.02, compared to a current price of £0.02 — trading 22.5% below its estimated fair value. The current FCF Margin % is -0.96%. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Built Cybernetics (LSE:BUC), the current FCF Margin % is -0.96% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Built Cybernetics Business Description

Address 10 Bonhill Street, London, GBR, EC2A 4PE
Built Cybernetics PLC is a London-quoted PropTech group delivering Smart Buildings and related services. The Group is positioned to ensure the technical systems that run modern premises are designed as an integral part of the structure, from the outset. By cross-selling smart building services alongside architecture projects. The Group operates through two main Division: Smart Buildings, which includes software development, system integration, and energy monitoring solutions; and Architecture, which provides executive architecture, full-service design, and interior design services. Geographically, the Group operates in the United Kingdom and Germany, with additional presence across multiple international markets.