The phrase "adding a level of complexity" is correct and usable in written English.
It can be used when discussing a situation, process, or concept that becomes more intricate or difficult due to additional factors or elements.
Example: "The new regulations are adding a level of complexity to the compliance process that we must navigate carefully."
Alternatives: "introducing additional complexity" or "increasing the intricacy".
A tree is a living, growing thing, Mr. Nelson and Mr. Jacob remind clients, adding a level of complexity to construction that is absent in building, say, a fishing cabin.
The Walmart service will limit customers to $900 in transfers a day; higher amounts would require the sender to provide much more information, adding a level of complexity that would compound costs, Eckert told Reuters, noting there will little demand anyway for transfers above $1,000.
This was one of the things that adds a level of complexity to the book and helps it transcend any kind of narrow categorization.
"It adds a level of complexity to the purchase of music," said John T. Gourville, a professor at Harvard Business School who has studied what is known as psychological pricing.
"Any time you are dealing with a legal case, it adds a level of complexity that is a challenge to work with, especially when you are indirectly involved," she said.
"It adds a level of complexity," says a Lehman Brothers managing director, Barbara Byrne.
Of course it adds a level of complexity and it might get confusing once we have 30 different extensions in each core app.
Given these findings, it is readily apparent that the addition of serum proteins adds a level of complexity to our experimental understanding of NP-cell interactions.
Planning and doing research in an environment where the culture is different can, however, add a level of complexity to the research.
Her very conception of science changed when she started working with pharmaceutical compounds: Thinking about how a compound may affect a living animal added a level of complexity that didn't previously enter into her science.
It just adds a level of complexity to her character, rather than that thing we've seen before of her trying to manipulate him.
