The International Stock Exchange

St Peter Port

Story

Originally opened as the Channel Islands Stock Exchange in October 1998. Rebranded to Channel Islands Securities Exchange (CISE), then to The International Stock Exchange (TISE) in February 2017. Acquired by Miami International Holdings in June 2025 for £70.4 million (£22.50 per share). (inferred from the source page)

The International Stock Exchange is a regulated stock exchange home to a range of innovative equity listings across trading companies and investment vehicles, including UK REITs. There are more than 4,500 bonds and equities admitted to its Official List with a total market value of more than £750 billion. The International Stock Exchange operates from Guernsey, Jersey, London, Dublin, and the Isle of Man. —

This profile was assembled by software from the sources cited on this page. If something here is wrong, email hello@island.gg — corrections are made to the record.

Specialises in2

Each capability links to every business in the Bailiwick that shares it.

Quick facts

Legal form
Limited Company
Facilities
Accessible Entrance
Industries served
Financial Services, Real Estate Funds, Private Equity
Client focus
Corporate Client (inferred from the source page), Listed Company (inferred from the source page)

People1

  • Kay McCarthy — Head of Jersey Office

From their website

Original phrasing from their website — lines covered by a capability above appear within its card.

  • NOVA auction-based trading system

Hours

exchange services on weekdays, with specific holiday closures and reduced hours detailed for 2026 and early 2027.

Last checked 9 May 2026·tisegroup.com

Contact

Social
Address
PO Box 623, Helvetia Court, Block B, 3rd Floor, Les Echelons, St Peter Port, Guernsey GY1 4PJ

History2

Key dates and recorded company events for The International Stock Exchange.

  • 2017—Rebranded to The International Stock Exchange (TISE)
  • 2025—Acquired by Miami International Holdings

Compiled from public sources — mistakes are possible. If something here looks wrong, let us know.