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.
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.
Tan Delta Systems's Other Operating Expense for the
six
months ended in Dec. 2025 was £1.65 Mil.
Its Other Operating Expense for the trailing twelve months (TTM) ended in Dec. 2025 was £1.65 Mil.
Tan Delta Systems's quarterly Other Operating Expense
declined
from Dec. 2024 (£1.27 Mil) to Jun. 2025 (£0.00 Mil) but then
increased
from Jun. 2025 (£0.00 Mil) to Dec. 2025 (£1.65 Mil).
Tan Delta Systems's annual Other Operating Expense
increased
from Dec. 2023 (£0.69 Mil) to Dec. 2024 (£1.24 Mil) and
increased
from Dec. 2024 (£1.24 Mil) to Dec. 2025 (£1.59 Mil).
Tan Delta Systems Other Operating Expense Related Terms
Tan Delta Systems Other Operating Expense Historical Data
* Premium members only.
The historical data trend for Tan Delta Systems's Other Operating Expense 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.
Other Operating Expense sometimes includes:
Restructuring, and merger
Acquisition related and other
Litigation settlement charge
Other (too numerous to list)
Some companies can and do choose to report each of these items separately. Yet, there are a variety of Other Operating Expense which are simply too numerous to list.
Other Operating Expense for the trailing twelve months (TTM) ended in Dec. 2025 adds up the semi-annually data reported by the company within the most recent 12 months, which was £1.65 Mil.
* 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.
What does a Other Operating Expense of £1.65 Mil mean?
Tan Delta Systems (LSE:TAND) has a Other Operating Expense of £1.65 Mil as of Dec. 2025. Other operating expenses that a company records on its income statement. View historical data on Tan Delta Systems and its competitors.
Is Tan Delta Systems' Other Operating Expense too high?
Tan Delta Systems' current Other Operating Expense is £1.65 Mil. Overall, Tan Delta Systems has a GF Score™ of 25/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Tan Delta Systems' Other Operating Expense compare to SLB and BKR?
Tan Delta Systems' Other Operating Expense of £1.65 Mil can be compared against companies in the Oil & Gas industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Other Operating Expense for an Oil & Gas company?
A good Other Operating Expense depends on the Oil & Gas industry context. However, Other Operating Expense 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 Other Operating Expense mean?
A high Other Operating Expense can signal that a stock is expensive relative to its fundamentals. Other operating expenses that a company records on its income statement. View historical data on Tan Delta Systems and its competitors. Tan Delta Systems's current Other Operating Expense is £1.65 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tan Delta Systems stock overvalued right now?
Based on GuruFocus' analysis, Tan Delta Systems (LSE:TAND) is currently considered Significantly Overvalued. The stock's GF Value™ is £0.18, compared to a current price of £0.29 — trading 61.1% above its estimated fair value. The current Other Operating Expense is £1.65 Mil. Tan Delta Systems' overall GF Score™ is 25/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Other Operating Expense calculated?
Other Operating Expense is calculated from a company's financial statements. For Tan Delta Systems (LSE:TAND), the current Other Operating Expense is £1.65 Mil 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 Tan Delta Systems (LSE:TAND) Overvalued in 2026?
Based on GuruFocus' analysis, Tan Delta Systems stock appears to be overvalued.
The current stock price of £0.29 is trading 61.1% above its estimated GF Value™ of £0.18.
GuruFocus considers Tan Delta Systems to be Significantly Overvalued.
Key valuation signals for LSE:TAND:
Other Operating Expense: £1.65 Mil
GF Value™: £0.18 vs. price of £0.29 (61.1% above fair value)
No single metric tells the full story. See the LSE:TAND stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Tan Delta Systems PLC develops real-time oil analysis and analytic technologies and products with capabilities that enable equipment operators to significantly reduce operating costs, improve efficiency, and reduce carbon footprint. It develops all its core technologies and products in-house, with manufacturing undertaken by its carefully selected manufacturing partners with whom its dedicated production QA department works. Its products include Sensors, Kits, Display solutions, Gateways & modems, and Accessories & services. Geographically, its solutions are in use across the UK, Europe, North and South America, Asia, and the Middle East.
25GF Score
Get the complete analysis for LSE:TAND
Other Operating Expense is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
LSE:TAND has been successfully added to your 
