The phrase "a key concern for" is correct and usable in written English.
It can be used when discussing an important issue or matter that is relevant to a particular subject or group.
Example: "Climate change is a key concern for many environmental organizations striving to protect the planet."
Alternatives: "a major issue for" or "a significant worry for".
Achieving this trust and confidence is therefore a key concern for NHS leaders.
Both Cox and Winfield said immigration is a key concern for Black Country voters.
Security in retirement is a key concern for this government, and I am proud of the reforms we've introduced.
Avoiding outcomes that amount to little more than greenwashing and empty promises is a key concern for the Paris organisers.
This issue is a key concern for the JAAA, after the embarrassment of five athletes testing positive for the stimulant methylhexanamine at the national trials in June.
Lloyds is to provide the computer systems for the branches being sold, resolving a key concern for the Financial Services Authority, particularly since the computer meltdown at RBS.
Wim Duisenberg, president of the European Central Bank, warned the group that uncertainty over a conflict in Iraq "remains a key concern for growth prospects" in Europe.
Mayor Livingstone had rightly identified crime as a key concern for Londoners and gave staunch political backing to Sir Ian Blair's drive towards neighbourhood policing.
Improving skills levels should be a central part of the government's 'northern powerhouse' initiative and should also be a key concern for local policymakers".
Livingstone rightly identified crime as a key concern for Londoners and gave staunch political backing to the Met police chief Sir Ian Blair's drive towards neighbourhood policing.
Price pressures, and the threat of deflation, will no doubt remain a key concern for the ECB, especially as growth of both input costs and selling prices eased in January".
