The phrase "adds expertise" is correct and usable in written English.
You can use it when describing how someone contributes knowledge or skills to a project or team.
Example: "Her extensive background in data analysis adds expertise to our research team."
Alternatives: "brings knowledge" or "contributes skills."
TO pursue his strategy, Mr. Palmisano needed to add expertise in business consulting and software.
Teachers were urged to work together, the superstars mentoring the stragglers and coaches recruited to add expertise.
As one leading lawyer who specialises in the recruitment industry told me: "I used to think companies used agencies because they added expertise and value.
The U.T. Automotive acquisition helped Lear win orders because the purchase added expertise in wiring and electrical distribution systems, the company said.
They have also bolstered their stable of lawyers and accountants to add expertise in sponsorship deals, editorial content and other areas where the company is expanding.
It expands I.B.M.'s public cloud operations, he said, while adding expertise and technology for private clouds and hybrid services, which blend the public and private models.
Apax Partners, with offices in the United States and overseas, contributed $4 million, Mr. Katz said, and intends to add expertise in global technology markets, where it has made previous portfolio investments.
The Sapient Corporation, an Internet-commerce consulting company, agreed yesterday to buy the closely held Human Code Inc. for $103.8 million in stock to add expertise in interactive media strategy and creative services.
Part of the dynamic of the live event — how it transcends a simple business-card swap — is that each blob presentation becomes something of a puzzle for audience members to solve, challenging them to add expertise.
What they want is "a seat at the table," he told The Times, and "to understand the board and the management's thinking, and add expertise and horsepower to their thinking".
