Service pages are often where a potential buyer goes once interest already exists. Even so, many websites waste that moment by repeating the homepage in slightly different words. A stronger service page should deepen understanding and reduce hesitation.
A homepage creates orientation. A service page should create safer understanding. It should explain when the service is relevant, what kind of problems it addresses, how the work typically happens and what makes the next step feel reasonable.
The usual weakness is relying on large words about quality, process and tailoring without showing what those words mean. That makes the page sound polished while still leaving the reader with the same practical questions as before.