Question: What tax preparation company has a Kansas City office covered in glass, similarly to the 1201 Walnut building?

Context paragraphs:
TurboTax: TurboTax is an American tax preparation software package developed by Michael A. Chipman of Chipsoft in the mid-1980s.  Intuit acquired Chipsoft, based in San Diego, in 1993.  Chipsoft, now known as Intuit Consumer Tax Group, is still based in San Diego, having moved into a new office complex in 2007.  Intuit Corporation is headquartered in Mountain View, California.

TaxSlayer.com: TaxSlayer and TaxSlayer.com is a privately held company providing online tax preparation technology and services for Americans to electronically file their federal and state income tax returns.  In addition, TaxSlayer Pro is the top-rated software for tax professionals in the U.S., according to the National Association of Tax Professionals (NATP).  In 2015, the IRS awarded TaxSlayer with the exclusive contracts for its VITA and TCE programs.

Ford Kansas City Assembly Plant: Ford Motor Company's Kansas City Assembly plant in Claycomo, Missouri is a Ford Motor Company assembly plant located at 8121 US-69, Kansas City, MO.  The plant currently consists of 4.7 million square feet of production space and employs approximately 7,000 hourly workers represented by the United Auto Workers Local 249.  The plant currently produces the Ford F-150 and the Ford Transit.  It is the largest car manufacturing plant in the United States in terms of units produced.  The plant is about 10 mi northeast of the Kansas City, Missouri city center.  Since its opening in 1951, the Ford Claycomo Plant, as many in the Kansas City area call it, has generated thousands of jobs, millions of tax dollars for the otherwise minor suburb, and is the largest tax generator in Clay County, Missouri.

1201 Walnut: The 1201 Walnut Building is a Skyscraper located in Downtown Kansas City, Missouri, USA, built by HNTB Architects in 1991.  Found at the intersection of 12th and Walnut streets, it is the eighth tallest habitable structure in the Kansas City Metropolitan Area, and the twelfth-tallest habitable structure in Missouri, at 427 feet.  The exterior is made of mostly dark-colored glass, and granite panels, and is very close the new Sprint Center and Power & Light District, part of the redevelopment of downtown Kansas City.  The glass look helps to further the glass-theme that the Sprint Center, H&R Block Building, and the "Kansas City Star" printing press have.  In late 2010, building tenant Stinson Morrison Hecker, LLP acquired the rights to place a large sign and corporate logo atop the southern face of the building.

LibraTax: LibraTax is a company that provides a tax preparation tool, attributed as the first to calculate tax obligations for bitcoin traders.  It is a standalone tool that creates a Schedule D for taxes owed to the Internal Revenue Service and not a complete suite of tax preparation tools.

BMA Tower: The BMA Tower in Kansas City, Missouri, also known as One Park Place, was built as a 19-story Modern style office building.  Located on a prominent height 3 mi south of downtown Kansas City, the 280 ft building is uniquely visible.  The building was planned for the Business Men's Assurance Company of America, an insurance company, on the site of the former St. Joseph's Orphanage.  The building was designed by Skidmore, Owings & Merrill with steel-frame construction and clad in a contrasting grid of deeply inset black glass and white marble.  It was the first high-rise structure in Kansas City since the building of City Hall in 1936, and opened in 1963.

H&amp;R Block: H&R Block is an American tax preparation company in North America, Australia, and India.  The Kansas City-based company also offers payroll, and business consulting services.

Barron's Educational Series: Barron's Educational Series, Inc. is an American test preparation company, founded in 1939 as a publisher of materials to help students to prepare for college entrance examinations, and that offers online college entrance exam preparation classes.  The company offers materials for the SAT Reasoning test, SAT Subject Tests, TOEFL, CAHSEE, CHSPE, AP examinations, New York State Regents Examinations, SHSAT and similarly regulated American educational tests.

Liberty Tax Service: Liberty Tax Service is an American company specializing in the preparation of tax returns for individuals and small businesses.  It is the third largest tax preparation franchise in the United States.  The company began in Canada in 1997 when John Hewitt, co-founder of Jackson Hewitt, acquired a Canadian tax franchisor, U&R Tax Depot.  In 1998, the company became Liberty Tax Service and opened five offices in the United States.  Liberty Tax Service is the primary subsidiary of Liberty Tax, Inc., a NASDAQ-traded company.

909 Walnut: 909 Walnut (formerly Fidelity National Bank & Trust Building, Federal Office Building and 911 Walnut) is a twin-spire, 35-story, 471 ft converted structure in Kansas City that is Missouri's tallest apartment building and 10th-tallest habitable building in Missouri.  It is also the tallest residential building in the Midwest outside of Chicago.

Supporting paragraphs: 1201 Walnut H&amp;R Block
Answer: H&R Block