Since it's a marketing text, it's better to use catchy words such as such راحة

مرحبًا

بالنسبة لعبارة "well-being" في الجملة التي ذكرتها، يمكن ترجمتها بعدة طرق. هنا بعض الاقتراحات:

- سعادة الموظفين تؤدي إلى الولاء
- راحة الموظفين تؤدي إلى الولاء
- صحة وسعادة الموظفين تؤدي إلى الولاء

What is the definition of employee wellbeing? Employee wellbeing is defined as the overall mental, physical, emotional, and economic health of your employees. It's influenced by various factors such as their relationships with co-workers, their decisions, and the tools and resources they have access to.
https://resources.workable.com/stories-and-insights/employee...

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Note added at 16 mins (2023-06-27 00:13:14 GMT)
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يُطلق على الصحة العقلية والجسدية والعاطفية والمالية لموظفيك اسم عافية الموظف
https://businessyield.com/ar/business-core-values/employee-w...

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Note added at 21 mins (2023-06-27 00:18:47 GMT)
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"تحسين أوضاع" is a great choice. You didn't need my help after all :)

In addition to the beautiful suggestions already mentioned, it is translated like that in some contexts.
See the translation in the UN terms: