Patrick Healy

Mergermarket Topco Ltd. is a holding British company that provides financial information, analysis, and data services through its subsidiaries. The private company is based in London, UK, and has subsidiaries in the United Kingdom. The company was founded in 2019.

ION Trading UK Ltd. provides trading solutions for the electronic fixed income markets. It offers consulting, training, and ongoing support. The company was founded by Andrea Pignataro and is headquartered in London, the United Kingdom.

ION Trading Ireland Ltd. provides solutions for electronic trading, position management, pricing, risk management and downstream processing to the clients which range from global financial institutions to niche financial specialists. The firm offers trading, pricing, position keeping and risk management technology platform. The company was founded by Andrea Pignataro in 1999 and is headquartered in Dublin, Ireland.

Part of ION Investment Group Ltd., Modernelite Ltd. operates as a holding British company. The company is based in London, UK. Founded in 2001.

Part of ION Investment Group Ltd., Open Link International Ltd. is a British company that provides information technology services. The company is based in London, UK.

ION Trading, Inc. engages in the provision of software solutions for the derivative industry. The company was founded by Andrea Pignataro in 1999 and is headquartered in Chicago, IL.

ION Investment Group Ltd. engages in the provision of software technology services to financial institutions, central banks, governments, and corporations. It specializes in workflow automation software solutions, data, and analytics. The company was founded by Andrea Pignataro in 1999 and is headquartered in Dublin, Ireland.

Part of ITT SA, Rolfe & Nolan Systems Ltd. is a British company that develops and sells software products. The company is based in London, UK. Founded in 1996.

ION Trading Technologies SARL operates as an investment holding company. The company was founded on May 15, 2013 and is headquartered in Luxembourg.

Part of The Carlyle Group Inc., Diamond Midco Ltd. is a company based in London, UK. The British company was founded in 2014.

Diamond Topco Ltd. operates as an investment vehicle. The company is headquartered in London, the United Kingdom.

Part of The Carlyle Group Inc., Diamond Bidco Ltd. is a financing subsidiary/special purpose entity. The company is based in London, UK. Founded in 2014, Diamond Bidco functions as a financing subsidiary/special purpose entity.

Part of ION Investment Group Ltd., Ion Capital UK Ltd. is a company that provides business and domestic software development services. The company is based in London, UK and was founded in 2018.

Part of Canouan Development Corp. Ltd., CDCH Ltd. functions as an investment holding British company. The company is based in London, UK and was founded in 2015.

Part of Ion Analytics Holdco Ltd., I-Logic Technologies UK Ltd. is an investment holding company. I-Logic Technologies UK Ltd. is based in London, UK. Founded in 2017.

Part of I-Logic Technologies UK Ltd., I-Logic Holdings Ltd. is a company that develops and sells software for financial firms. The company is based in London, UK and was founded in 2017.

Founded in 2018, ION Capital Markets UK Ltd. is a holding company that operates subsidiaries which develop and market software. The company is based in London, UK.