Onyx Equities LLC is planning a major renovation for a Morristown property it has acquired, and has chosen Newmark Grubb Knight Frank to reposition the building, it announced Friday.

The 400,000-square-foot building at 340 Mount Kemble Ave. will undergo renovations that include creation of a glass façade and a full-height atrium lobby, as well as amenities including conference rooms, a cafeteria and auditorium.

An NGKF leasing team will be led by Timothy Greiner and include colleagues Blake Goodman and Colleen Maguire, Onyx said.

“Onyx Equities has been on the forefront of renovating aging office properties to meet market demand,” Greiner said in a prepared statement. “In partnership with (real estate finance firm) PCCP, it plans to take 340 Mount Kemble to its bones, which already had been designed with larger ceiling heights and wide column spacing, and create an almost brand-new, state-of-the-art building that’s not abundant elsewhere in the market.”

The building will have parking for 1,600 vehicles, and a shuttle service to downtown Morristown and the Morristown NJ Transit station.

“We’re excited by the new vision for 340 Mount Kemble, and believe large corporate users will appreciate what will essentially be a new building in a major transit area with direct access to Manhattan and major roadways,” D.J. Venn, Onyx senior vice president of asset management, said in a statement. “We acquired a headquarters asset at land cost, which enables us to offer prospective tenants the highest-quality product and a Morristown address at very competitive rental rates.”

Greiner’s team has worked with Onyx on transactions including Daiichi Sankyo’s lease of 211 Mount Airy Road, Basking Ridge, and the lease-up of The Meadows, at 201 and 301 Route 17 N. in East Rutherford.