{"company":{"id":1821133,"name":"Marex","domain":"marex.com","url":"https://alion.io/company/marex-com"},"answer":"As of Nov 14, 2026, Alion lists 10 companies most like Marex: CITIC CLSA, Finam, TP ICAP Group, Interactive Brokers, Longshot Systems, IG, London Stock Exchange, StoneX Group, London Stock Exchange Group and Acuity Analytics.","highlights":["Marex itself has 81 open roles on Alion.","Of them, London Stock Exchange Group is hiring the most, with 520 open roles."],"as_of":"2026-11-14","cite":"Alion, \"Marex competitors and alternatives: 10 similar companies compared on hiring and funding\", as of Nov 14, 2026. https://alion.io/company/marex-com/competitors","indexable":true,"target":{"name":"Marex","url":"https://alion.io/company/marex-com","domain":"marex.com","open_roles":81,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"London","country":"GB"},"technologies":["Python","SQL","Microsoft Excel"],"hiring_countries":["GB","US","SG"],"similarity":null},"competitors":[{"name":"CITIC CLSA","url":"https://alion.io/company/clsa-com","domain":"clsa.com","open_roles":252,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":null,"country":"HK"},"technologies":["SQL","Python","Microsoft Excel"],"hiring_countries":["HK","IN","SG"],"similarity":{"score":19.62,"shared_segments":["Online Brokerage & Trading Platforms","Financial 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Group","url":"https://alion.io/company/tp-icap","domain":"tpicap.com","open_roles":88,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"London","country":"GB"},"technologies":["AWS","CI/CD","Python"],"hiring_countries":["GB","PH","US"],"similarity":{"score":16.58,"shared_segments":["Financial Data & Market Intelligence"],"shared_technologies":["Python","JavaScript","TypeScript","SQL","PowerShell"],"same_hq_country":true}},{"name":"Interactive 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Systems","url":"https://alion.io/company/longshotsystems","domain":"longshotsystems.co.uk","open_roles":5,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":null,"headquarters":{"city":"London","country":"GB"},"technologies":["AWS","Linux","CI/CD"],"hiring_countries":["GB"],"similarity":{"score":16.25,"shared_segments":["Online Brokerage & Trading Platforms","Financial Data & Market Intelligence"],"shared_technologies":["Python","Azure","CI/CD","AWS","Linux"],"same_hq_country":true}},{"name":"IG","url":"https://alion.io/company/ig","domain":"ig.com","open_roles":71,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"London","country":"GB"},"technologies":["CI/CD","AWS","Python"],"hiring_countries":["GB","PL","IN"],"similarity":{"score":16.18,"shared_segments":["Online Brokerage & Trading Platforms"],"shared_technologies":["Python","JavaScript","TypeScript","SQL","PowerShell"],"same_hq_country":true}},{"name":"London Stock Exchange","url":"https://alion.io/company/londonstockexchange","domain":"londonstockexchange.com","open_roles":72,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"London","country":"GB"},"technologies":["AWS","Python","CI/CD"],"hiring_countries":["GB","US","FR"],"similarity":{"score":15.78,"shared_segments":["Financial Data & Market Intelligence"],"shared_technologies":["Python","JavaScript","TypeScript","SQL","PowerShell"],"same_hq_country":true}},{"name":"StoneX Group","url":"https://alion.io/company/stonex","domain":"stonex.com","open_roles":84,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"New York","country":"US"},"technologies":["Azure","SQL","CI/CD"],"hiring_countries":["IN","CO","BR"],"similarity":{"score":15.68,"shared_segments":["Online Brokerage & Trading Platforms"],"shared_technologies":["Python","JavaScript","TypeScript","SQL","PowerShell"],"same_hq_country":false}},{"name":"London Stock Exchange Group","url":"https://alion.io/company/lseg","domain":"lseg.com","open_roles":520,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":"venture","last_round_usd":null,"last_round_date":"2026-06-01","lead_investors":[]},"size_band":"5000+","headquarters":{"city":"London","country":"GB"},"technologies":["Python","CI/CD","AWS"],"hiring_countries":["IN","GB","US"],"similarity":{"score":15.5,"shared_segments":["Financial Data & Market Intelligence"],"shared_technologies":["Python","JavaScript","TypeScript","SQL","PowerShell"],"same_hq_country":true}},{"name":"Acuity Analytics","url":"https://alion.io/company/acuityanalytics","domain":"acuityanalytics.com","open_roles":24,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":"venture","last_round_usd":null,"last_round_date":"2026-04-30","lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"London","country":"GB"},"technologies":["Azure","CI/CD","Python"],"hiring_countries":["GB","AT","BG"],"similarity":{"score":15.38,"shared_segments":["Financial Data & Market Intelligence"],"shared_technologies":["Python","JavaScript","TypeScript","SQL","PowerShell"],"same_hq_country":true}}],"method":"Ranked by Alion's similar-companies engine (the MCP tool similar_companies): shared industry segments and the overlap of the two segment sets, technologies named in both companies' job postings, the same headquarters country, a size band near it. Open roles are the visible postings on Alion today; their change is shown only for boards that state posting dates.","html_url":"https://alion.io/company/marex-com/competitors","json_url":"https://alion.io/company/marex-com/competitors.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-11-14T03:58:57Z","generated_at":"2026-11-14T13:35:59Z"}}