London Stock Exchange Group plc head office mailing address

To mail a letter to London Stock Exchange Group plc, a financial markets and data company, send it to the company's head office at London Stock Exchange Group plc, 10 Paternoster Square, London, EC4M 7LS. London Stock Exchange Group is a financial markets infrastructure and data company. This is London Stock Exchange Group plc's publicly listed corporate head office — the right address for written correspondence, feedback, and formal notices. Add your return address if you'd like a reply, and confirm the address on the company's official contact page before anything time-sensitive.

London Stock Exchange Group plc — head office

London Stock Exchange Group plc
10 Paternoster Square
London  EC4M 7LS

Written correspondence, customer feedback, and formal notices to the company. This is the corporate head office — not a store, branch, or service centre.

Verified August 2026lseg.com

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Your return address

London Stock Exchange Group plc10 Paternoster SquareLondon, EC4M 7LS

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Key facts

  • This is London Stock Exchange Group plc's corporate head office address, taken from the company's own contact page.
  • London Stock Exchange Group plc is a financial markets and data company, best known for brands like London Stock Exchange and LSEG Data & Analytics.
  • Use it for letters, feedback, and formal written notices — not for parcels or in-store returns.
  • Head offices relay mail internally; an attention line (e.g. "Customer Relations") helps it land in the right place.
  • Include your return address and any reference number so the company can respond.
  • PostPal prints your letter and mails it for you — no printer, envelope, stamps, or post office trip.

How to send your letter

  1. 1

    Decide who your letter is for

    A letter to the head office reaches the company generally. If it's for a particular team, add an attention line such as "Attention: Customer Relations" or "Office of the President" so it's routed faster.

  2. 2

    Write your letter

    Keep it clear and factual. Include any account, order, or reference number, the outcome you're looking for, and your return address so the company can write back.

  3. 3

    Address it to the head office

    First line: London Stock Exchange Group plc. Then the street: 10 Paternoster Square. Then the city line: London EC4M 7LS.

  4. 4

    Send it with PostPal

    Write or upload your letter to PostPal with the address above prefilled. We print it, add your return address, and mail it for you — no printer, envelope, stamps, or trip to the post office.

Common questions

What does London Stock Exchange Group plc do?

London Stock Exchange Group is a financial markets infrastructure and data company. Its brands include London Stock Exchange and LSEG Data & Analytics. The address above is its corporate head office — the right place for written correspondence, customer feedback, and formal notices.

What is London Stock Exchange Group plc's head office mailing address?

London Stock Exchange Group plc, 10 Paternoster Square, London, EC4M 7LS. It's the company's publicly listed corporate head office — the right address for written correspondence, feedback, and formal notices. Confirm it on London Stock Exchange Group plc's official contact page before anything time-sensitive.

Will someone actually read my letter or write back?

Head offices route incoming mail to the relevant team, so a letter to the corporate address does get handled — but a personal reply isn't guaranteed. Including your return address, an account or reference number, and a clear request gives you the best chance of a response.

Is this a store or branch address?

No — this is London Stock Exchange Group plc's corporate head office. For something tied to a specific location, contact that store or branch directly; use the head office for company-wide correspondence and formal notices.

Can I mail documents or a formal notice here?

Yes — you can send letters and printed documents to the head office. If you're formally serving legal documents, a company may designate a separate registered or legal address, so check its official filings first.

How do I mail London Stock Exchange Group plc a letter without a printer?

Write or upload your letter to PostPal with the address prefilled. We print it, add your return address, and mail it for you — no printer, stamps, or post office trip needed.

Sources

Addresses verified August 2026 against official sources. Always confirm on the official site before time-sensitive filings.

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