The deals were negotiated by Cresa Partner's Downtown market group consisting of principal Rick Lowe, VP James Topper, and assistant VP Mike O'Leary. "These are mostly flight to quality transactions," Lowe tells GlobeSt.com. "The market continues to be driven by lease expirations and credit-worthy tenants looking to take advantage of market conditions."

Applied Graphics Inc., a geographic information systems company, leased 6,781 sf on the fifth floor of 24 School St., an 88,000-sf office building which is 96% occupied. The company is upgrading and relocating its space from 355 Congress St. Matt George of Lincoln Properties represented the owner, TR School St. Corp.

Boston Insurance Brokerage Inc., a wholesale brokerage firm, leased 5,803 sf at 24 Federal St, which is a 74,353-sf office building that is 92% occupied. The firm will occupy the entire fourth floor. The company is expanding and upgrading its space from 121 High St. Jason Cameron of Spaulding & Slye represented Cornerstone Real Estate Advisors/Mass Mutual, the owners. Fay Spofford leased 4,311 sf on the third floor of 15 Broad St., a 67,460-sf office building that is 72% occupied. The engineering firm is relocating and expanding from its former space at 33 Broad St. Fairlane Property represented owner Ceres Realty.

Imperial Capital Bank, a provider of personal and business banking services, leased 3,309 sf at 4 Liberty Sq., a 23,832-sf building. Occupancy rates and representation were not available.

Landmark Partners, a private equity and real estate investment company, leased 3,251 sf at One Federal St., a 1.1-million-sf office tower that is 96% occupied. Kristin Blount of Meredith & Grew represented owner ING Clarion Partners.