ARLINGTON, VA—Global tax services firm Ryan, LLC is consolidating operations at its Arlington, VA and Washington, DC-based practices to Monday Properties' Rosslyn Twin Towers complex here.

The firm, the seventh largest corporate tax practice in the United States, has signed a new 14,700-square-foot lease at 1000 Wilson Blvd. The Twin Towers project also includes the 1100 Wilson Blvd. office building.

Ryan's occupancy of the 21st floor will begin in early 2016 just prior to the projected spring opening of the Rosslyn Twin Towers' new 5,000-square-foot rooftop deck located at the top of 1100 Wilson Blvd. The rooftop deck, open to tenants in both towers, will be one of the largest in the area and will include indoor and outdoor space, a bar and catering kitchen, restrooms and lounge seating, Monday Properties states.

Ryan, LLC, was represented in the lease transaction by Creighton Armstrong of JLL. Monday Properties was represented in-house by Tim Helmig, president and COO of Monday Properties, John Wharton and Deniz Yener.

“The Towers provide our employees with a compelling package of robust on-site amenities, metro access, and collaborative workspaces with amazing views,” says Michael Allen, Ryan's Washington DC principal in charge. “As we evaluated the competitive landscape for a Metro DC location, Rosslyn was the best real estate solution to support our client demand, continued growth, and employee retention.”

Helmig says that Monday Properties has invested more than $70 million in improvements to the Twin Towers in recent years. Among the upgrades have included new lobbies, elevators, HVAC system, and parking garage upgrades. “We made these investments knowing the Towers are particularly well-suited for helping leading professional service companies like Ryan maximize employee engagement, retention and productivity,” Helmig says.

Rosslyn's Twin Towers feature more than 1 million square feet of LEED-EB Gold certified trophy office space. The complex serves as home to the Raytheon Company, SRI International, along with media firms, Capitol News Company (Politico), WJLA, The Washington Free Beacon, and financial/consulting firms such as Booz & Co. and Cobro Ventures. Recently, Sands Capital Management signed a new 80,000-square-foot deal at the property.