{"company":{"id":21106,"name":"Aon","domain":"aon.com","url":"https://alion.io/company/aon"},"answer":"As of Nov 15, 2026, Alion lists 10 companies most like Aon: Marsh McLennan, Arthur J. Gallagher & Co., Accenture, Wtwco, CRC Group, AlixPartners, Cfins, Brown & Brown, W. R. Berkley Corporation and Onepoint.","highlights":["Aon itself has 22 open roles on Alion.","Of them, Accenture is hiring the most, with 6,337 open roles.","AlixPartners has raised the most venture funding on record: $1.2B."],"as_of":"2026-11-15","cite":"Alion, \"Aon competitors and alternatives: 10 similar companies compared on hiring and funding\", as of Nov 15, 2026. https://alion.io/company/aon/competitors","indexable":true,"target":{"name":"Aon","url":"https://alion.io/company/aon","domain":"aon.com","open_roles":22,"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":"Dublin","country":"IE"},"technologies":["SQL","Python","Azure"],"hiring_countries":["IN","PL","FR"],"similarity":null},"competitors":[{"name":"Marsh McLennan","url":"https://alion.io/company/marshmclennan","domain":"marshmclennan.com","open_roles":1407,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":"New York","country":"US"},"technologies":["Python","Microsoft Excel","SQL"],"hiring_countries":["US","GB","AU"],"similarity":{"score":19,"shared_segments":["Insurance Brokers & Agencies","Management Consulting"],"shared_technologies":["Python","JavaScript","TypeScript","SQL","C#"],"same_hq_country":false}},{"name":"Arthur J. Gallagher & Co.","url":"https://alion.io/company/ajg-com","domain":"ajg.com","open_roles":9,"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":"Rolling Meadows","country":"US"},"technologies":["Python","SQL","AWS"],"hiring_countries":["IN"],"similarity":{"score":17.05,"shared_segments":["Insurance Brokers & Agencies","Management Consulting"],"shared_technologies":["Python","JavaScript","TypeScript","SQL","C#"],"same_hq_country":false}},{"name":"Accenture","url":"https://alion.io/company/accenture","domain":"accenture.com","open_roles":6337,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":"Dublin","country":"IE"},"technologies":["Python","Azure","AWS"],"hiring_countries":["IN","US","PH"],"similarity":{"score":15.3,"shared_segments":["Management Consulting"],"shared_technologies":["Python","JavaScript","TypeScript","SQL","C#"],"same_hq_country":true}},{"name":"Wtwco","url":"https://alion.io/company/wtwco","domain":"wtwco.com","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":["Azure","C#","JavaScript"],"hiring_countries":["IN","MY"],"similarity":{"score":14.92,"shared_segments":["Insurance Brokers & Agencies","Management Consulting"],"shared_technologies":["Python","JavaScript","TypeScript","SQL","C#"],"same_hq_country":false}},{"name":"CRC Group","url":"https://alion.io/company/crc-insurance-services","domain":"crcgroup.com","open_roles":93,"open_roles_change":null,"funding":{"total_raised_usd":226759867,"last_round":"venture","last_round_usd":226759867,"last_round_date":"2017-10-24","lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"Birmingham","country":"US"},"technologies":["Azure","Microsoft Excel","Windows"],"hiring_countries":["US"],"similarity":{"score":14.88,"shared_segments":["Insurance Brokers & Agencies"],"shared_technologies":["Python","JavaScript","TypeScript","SQL","C#"],"same_hq_country":false}},{"name":"AlixPartners","url":"https://alion.io/company/alixpartners","domain":"alixpartners.com","open_roles":54,"open_roles_change":{"since":"2026-10-12","from":53,"to":54,"pct":2},"funding":{"total_raised_usd":1181276931,"last_round":"venture","last_round_usd":1181276931,"last_round_date":"2019-04-30","lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"New York","country":"US"},"technologies":["Python","SQL","Tableau"],"hiring_countries":["US","DE","GB"],"similarity":{"score":14.85,"shared_segments":["Management Consulting"],"shared_technologies":["Python","JavaScript","TypeScript","SQL","C#"],"same_hq_country":false}},{"name":"Cfins","url":"https://alion.io/company/cfins","domain":"cfins.com","open_roles":19,"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":"Morristown","country":"US"},"technologies":["CI/CD","Azure","SQL"],"hiring_countries":["IN"],"similarity":{"score":14.75,"shared_segments":["Insurance Brokers & Agencies"],"shared_technologies":["Python","JavaScript","TypeScript","SQL","C#"],"same_hq_country":false}},{"name":"Brown & Brown","url":"https://alion.io/company/brown-and-brown","domain":"bbrown.com","open_roles":234,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":"Daytona Beach","country":"US"},"technologies":["Microsoft Excel","Azure","Windows"],"hiring_countries":["US","GB","MX"],"similarity":{"score":14.6,"shared_segments":["Insurance Brokers & Agencies"],"shared_technologies":["Python","JavaScript","TypeScript","SQL","C#"],"same_hq_country":false}},{"name":"W. R. Berkley Corporation","url":"https://alion.io/company/berkley-com","domain":"berkley.com","open_roles":166,"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":"Greenwich","country":"US"},"technologies":["SQL","Python","Microsoft Excel"],"hiring_countries":["US"],"similarity":{"score":14.58,"shared_segments":["Insurance Brokers & Agencies"],"shared_technologies":["Python","JavaScript","TypeScript","SQL","C#"],"same_hq_country":false}},{"name":"Onepoint","url":"https://alion.io/company/groupeonepoint","domain":"groupeonepoint.com","open_roles":165,"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":"Paris","country":"FR"},"technologies":["Azure","SQL","CI/CD"],"hiring_countries":["FR","CA","BE"],"similarity":{"score":14.58,"shared_segments":["Management Consulting"],"shared_technologies":["Python","JavaScript","TypeScript","SQL","C#"],"same_hq_country":false}}],"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/aon/competitors","json_url":"https://alion.io/company/aon/competitors.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-11-15T03:04:16Z","generated_at":"2026-11-15T17:17:46Z"}}