Big Technologies (CHIX:BIGL) Tax Rate %: -8.13% (As of Dec. 2025)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

CHIX:BIGL Big Technologies PLC CHIX:BIGL
60 GF Score
Price £0.97
GF Value £1.25
Valuation Modestly Undervalued
! 3 Warning Signs
View Full Analysis

What is Big Technologies Tax Rate %?

Big Technologies CHIX:BIGL 60 Tax Rate % is -8.13% as of Dec. 2025. GuruFocus rates CHIX:BIGL with a GF Score™ of 60/100 and a GF Value™ of £1.25 (Modestly Undervalued). The stock has 3 warning signs investors should review.

Tax Rate % is calculated as Tax Expense divided by its Pre-Tax Income. Big Technologies's Tax Expense for the six months ended in Dec. 2025 was £-0.43 Mil. Big Technologies's Pre-Tax Income for the six months ended in Dec. 2025 was £5.23 Mil. Therefore, Big Technologies's Tax Rate % for the quarter that ended in Dec. 2025 was -8.13%.

Big Technologies Tax Rate % Related Terms

Big Technologies Tax Rate % Historical Data

* Premium members only.

The historical data trend for Big Technologies's Tax Rate % 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.

Big Technologies Tax Rate % Chart

Big Technologies Annual Data
Trend Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Tax Rate %
Get a 7-Day Free Trial 6.81 4.92 16.46 55.28 -13.18

Big Technologies Semi-Annual Data
Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Tax Rate % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 30.33 2.62 206.61 -12.15 -8.13
CHIX:BIGL
60GF Score
Big Technologies PLC CHIX:BIGL
Tax Rate % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Big Technologies Tax Rate % Calculation

Tax Rate % is the ratio of tax expense divided by pretax income, usually presented in percent.

Big Technologies's Tax Rate % for the fiscal year that ended in Dec. 2025 is calculated as

Tax Rate %=Tax Expense (A: Dec. 2025 )/Pre-Tax Income (A: Dec. 2025 )
=2.7/-20.485
=-13.18 %

Big Technologies's Tax Rate % for the quarter that ended in Dec. 2025 is calculated as

Tax Rate %=Tax Expense (Q: Dec. 2025 )/Pre-Tax Income (Q: Dec. 2025 )
=-0.425/5.226
=-8.13 %

* 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 Tax Rate % →
What does a Tax Rate % of -8.13% mean?
Big Technologies (CHIX:BIGL) has a Tax Rate % of -8.13% as of Dec. 2025.
Is Big Technologies' Tax Rate % too high?
Big Technologies' current Tax Rate % is -8.13%. Overall, Big Technologies has a GF Score™ of 60/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Big Technologies' Tax Rate % compare to QH and SHOP?
Big Technologies' Tax Rate % of -8.13% can be compared against companies in the Software industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Tax Rate % for a Software company?
A good Tax Rate % depends on the Software industry context. However, Tax Rate % 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 Tax Rate % mean?
A high Tax Rate % can signal that a stock is expensive relative to its fundamentals. Big Technologies's current Tax Rate % is -8.13%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Big Technologies stock overvalued right now?
Based on GuruFocus' analysis, Big Technologies (CHIX:BIGL) is currently considered Modestly Undervalued. The stock's GF Value™ is £1.25, compared to a current price of £0.97 — trading 22.2% below its estimated fair value. The current Tax Rate % is -8.13%. Big Technologies' overall GF Score™ is 60/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Tax Rate % calculated?
Tax Rate % is calculated from a company's financial statements. For Big Technologies (CHIX:BIGL), the current Tax Rate % is -8.13% as of Dec. 2025. 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.

Is Big Technologies (CHIX:BIGL) Overvalued in 2026?

Based on GuruFocus' analysis, Big Technologies stock appears to be undervalued. The current stock price of £0.97 is trading 22.2% below its estimated GF Value™ of £1.25. GuruFocus considers Big Technologies to be Modestly Undervalued.

Key valuation signals for CHIX:BIGL:

  • Tax Rate %: -8.13%
  • GF Value™: £1.25 vs. price of £0.97 (22.2% below fair value)
  • GF Score™: 60/100 with 3 warning signs

No single metric tells the full story. See the CHIX:BIGL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Big Technologies Business Description

Other Exchanges BIG:UK
Address 17 Church Street, Talbot House, Hertfordshire, Rickmansworth, GBR, WD3 1DE
Big Technologies PLC is engaged in the development and delivery of remote monitoring technologies and services to a range of domestic and international customers. The company's mission is to deliver high-quality electronic monitoring solutions that combine hardware and software to support the monitoring of individuals in the core criminal justice business. It's a market leader in the electronic monitoring industry, operating under the trusted Buddi brand. Through its integrated technology platform, Buddi offers state of the art Electronic Monitoring solutions on a subscription-based, SaaS-like model. This platform is flexible and scalable, enabling tailored deployments across diverse use cases and geographies. The Group operates across three regions: Europe, Asia-Pacific, and the Americas.
60GF Score

Get the complete analysis for CHIX:BIGL

Tax Rate % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

£0.97
Price
£1.25
GF Value