Assystem (CHIX:ASYP) YoY EBITDA Growth: 113.72% (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:ASYP Assystem SA CHIX:ASYP
82 GF Score
Price €36.63
GF Value €43.44
! 7 Warning Signs
View Full Analysis

What is Assystem YoY EBITDA Growth?

Assystem CHIX:ASYP 82 YoY EBITDA Growth is 113.72% as of Dec. 2025. GuruFocus rates CHIX:ASYP with a GF Score™ of 82/100 and a GF Value™ of €43.44. The stock has 7 warning signs investors should review.

YoY EBITDA Growth is the percentage change of EBITDA per Share over the past twelve months. Assystem's YoY EBITDA Growth for the quarter that ended in Dec. 2025 was 113.72%.

Assystem's EBITDA per Share for the six months ended in Dec. 2025 was €1.29.

Assystem YoY EBITDA Growth Historical Data

* Premium members only.

The historical data trend for Assystem's YoY EBITDA Growth 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.

Assystem YoY EBITDA Growth Chart

Assystem Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
YoY EBITDA Growth
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2,461.18 11.79 119.17 -74.96 -18.39

Assystem Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
YoY EBITDA Growth 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 193.84 9.52 -91.77 -68.63 113.72
CHIX:ASYP
82GF Score
Assystem SA CHIX:ASYP
YoY EBITDA Growth is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Assystem YoY EBITDA Growth Calculation

YoY EBITDA Growth is the percentage change of EBITDA per Share over the past twelve months.

Assystem's YoY EBITDA Growth for the fiscal year that ended in Dec. 2025 is calculated as:

YoY EBITDA Growth (A: Dec. 2025 )
=(EBITDA per Share (A: Dec. 2025 )-EBITDA per Share (A: Dec. 2024 ))/ | EBITDA per Share (A: Dec. 2024 ) |
=(1.797-2.202)/ | 2.202 |
=-18.39 %

Assystem's YoY EBITDA Growth for the quarter that ended in Dec. 2025 is calculated as:

YoY EBITDA Growth (Q: Dec. 2025 )
=(EBITDA per Share (Q: Dec. 2025 )-EBITDA per Share (Q: Dec. 2024 )) / | EBITDA per Share (Q: Dec. 2024 )) |
=(1.293-0.605)/ | 0.605 |
=113.72 %

* 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 YoY EBITDA Growth →
What does a YoY EBITDA Growth of 113.72% mean?
Assystem (CHIX:ASYP) has a YoY EBITDA Growth of 113.72% as of Dec. 2025. YoY EBITDA Growth is the percentage change of EBITDA per share over the past 12-month. View historical data for Assystem and its competitors.
Is Assystem's YoY EBITDA Growth too high?
Assystem's current YoY EBITDA Growth is 113.72%. Overall, Assystem has a GF Score™ of 82/100, reflecting its overall financial health beyond just this single metric.
How does Assystem's YoY EBITDA Growth compare to PWR and FIX?
Assystem's YoY EBITDA Growth of 113.72% can be compared against companies in the Construction industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good YoY EBITDA Growth for a Construction company?
A good YoY EBITDA Growth depends on the Construction industry context. However, YoY EBITDA Growth 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 YoY EBITDA Growth mean?
A high YoY EBITDA Growth can signal that a stock is expensive relative to its fundamentals. YoY EBITDA Growth is the percentage change of EBITDA per share over the past 12-month. View historical data for Assystem and its competitors. Assystem's current YoY EBITDA Growth is 113.72%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Assystem stock overvalued right now?
Assystem (CHIX:ASYP) has a current YoY EBITDA Growth of 113.72%. The stock's GF Value™ is €43.44, compared to a current price of €36.63 — trading 15.7% below its estimated fair value. The current YoY EBITDA Growth is 113.72%. Assystem's overall GF Score™ is 82/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is YoY EBITDA Growth calculated?
YoY EBITDA Growth is calculated from a company's financial statements. For Assystem (CHIX:ASYP), the current YoY EBITDA Growth is 113.72% 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 Assystem (CHIX:ASYP) Overvalued in 2026?

Based on GuruFocus' analysis, Assystem stock appears to be undervalued. The current stock price of €36.63 is trading 15.7% below its estimated GF Value™ of €43.44.

Key valuation signals for CHIX:ASYP:

  • YoY EBITDA Growth: 113.72%
  • GF Value™: €43.44 vs. price of €36.63 (15.7% below fair value)
  • GF Score™: 82/100 with 7 warning signs

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

Assystem Business Description

Address Tour Egee, 9-11 allee de l’Arche, Courbevoie, Paris, FRA, 92400
Assystem SA is a France-based company engaged in engineering and innovation consultancy. It provides engineering services to its clients through technical expertise, study, survey, PMC (Project Management Consultancy), and EPCM (Engineering, Procurement and Construction Management) across nuclear, conventional energy, and transport sectors. The various services offered by the company include system engineering and design, construction management and commissioning, digital transformation consulting, engineering information systems, etc. Along with its subsidiaries, the company has two operating segments: France and International. Geographically, it derives key revenue from France followed by the United Kingdom, Asia, Middle East, and Africa.
82GF Score

Get the complete analysis for CHIX:ASYP

YoY EBITDA Growth is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€36.63
Price
€43.44
GF Value