{"entity":"company","company":{"id":5734,"name":"London Stock Exchange Group","domain":"lseg.com","logo":"https://alion.io/storage/2026/0914/6dc7666ae0.256.webp","description":"London Stock Exchange Group (LSEG) is a global financial markets infrastructure and data provider headquartered in London, England. Formed as a group in 2007, it owns the London Stock Exchange, LSEG Data and Analytics built on the former Refinitiv, FTSE Russell and LCH, and holds a majority stake in Tradeweb, with large operations centres in Bengaluru, Colombo, Bucharest, Gdynia and Taguig. It hires software and data engineers, site reliability engineers, valuations and post-trade specialists, customer success and go-to-market managers, finance staff and journalists for services such as ZAWYA.","industry":"Financial Services","segment":"Stock Exchanges & Market Infrastructure","size":"5000+","founded":2007,"hq":{"city":"London","country":"GB"},"links":{"linkedin":"https://www.linkedin.com/company/london-stock-exchange-group","x":"https://x.com/lsegplc"},"hiring_now":true,"claimed":false,"url":"https://alion.io/company/lseg","open_jobs":519,"hiring_trend":null,"key_facts":{"answer":"As of Nov 13, 2026, Alion lists 519 open roles at London Stock Exchange Group. London Stock Exchange Group is headquartered in London, United Kingdom. It was founded in 2007. The median pay stated in its open roles is $167k, across 58 postings that state pay.","as_of":"2026-11-13","facts":[{"fact":"open","label":"Open roles","value":"519","source":"Job postings Alion tracks, as of Nov 13, 2026","source_url":"https://alion.io/company/lseg/jobs"},{"fact":"hq","label":"Headquarters","value":"London, United Kingdom","source":"Alion company profile, updated Nov 12, 2026"},{"fact":"founded","label":"Founded","value":"2007","source":"Alion company profile, updated Nov 12, 2026"},{"fact":"size","label":"Employees","value":"5000+","source":"Alion company profile, an estimated range"},{"fact":"pay","label":"Median advertised pay","value":"$167k","source":"Pay stated in 58 open postings","source_url":"https://alion.io/company/lseg/salaries"},{"fact":"visa","label":"Visa sponsorship, United States","value":"51 ▲ 46% · H-1B filings in 12 months","source":"US Department of Labor · latest filing Jun 30, 2026","source_url":"https://alion.io/company/lseg/visa"},{"fact":"tech","label":"Technologies in its job postings","value":"347","source":"Named in its job postings","source_url":"https://alion.io/company/lseg/technologies"}],"cite_as":"Alion, \"London Stock Exchange Group: key facts\", as of Nov 13, 2026. https://alion.io/company/lseg","license":"https://creativecommons.org/licenses/by-sa/4.0/"},"official_records":[{"scheme":"wikidata","value":"Q5573225","url":"https://www.wikidata.org/wiki/Q5573225"},{"scheme":"us_cik","value":"1439584","url":"https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001439584"}]},"pages":{"profile":"https://alion.io/company/lseg","jobs":"https://alion.io/company/lseg/jobs","technologies":"https://alion.io/company/lseg/technologies","salaries":"https://alion.io/company/lseg/salaries","visa":"https://alion.io/company/lseg/visa"},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","call":{"mcp_tool":"get_company","arguments":{"id":5734},"rest":"https://alion.io/mcp/rest/get_company?id=5734"},"human":"https://alion.io/catalog?offer=company.slices&for=company%2Flseg"},{"id":"company.list","title":"Companies by industry, country, size, technology and hiring","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per company in a list","note":"companies like this one: the same industry segments, technologies, country and size","call":{"mcp_tool":"similar_companies","arguments":{"company":5734},"rest":"https://alion.io/mcp/rest/similar_companies?company=5734"},"human":"https://alion.io/catalog?offer=company.list&for=company%2Flseg"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per posting in a list","call":{"mcp_tool":"search_jobs","arguments":{"company":5734},"rest":"https://alion.io/mcp/rest/search_jobs?company=5734"},"human":"https://alion.io/catalog?offer=job.search&for=company%2Flseg"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"company/lseg\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=company%2Flseg"}],"agent":{"mcp":"https://alion.io/mcp/companies","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_company","arguments":{"domain":"lseg.com"}},{"tool":"similar_companies","arguments":{"company":"lseg.com","detail":"compact"}},{"tool":"search_jobs","arguments":{"company":"lseg.com","detail":"compact"}}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"},"html_url":"https://alion.io/company/lseg","json_url":"https://alion.io/company/lseg.json","meta":{"generated_at":"2026-11-13T01:27:01Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":3218,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-14T00:00:00Z"}}}