Is Sigma safe and legit？ Full review
Sigma is a United Kingdom broker established in 2019 and regulated by both the Financial Conduct Authority (FCA) and the Dubai Financial Services Authority (DFSA). The company has been in operation for several years and is supervised by multiple regulators, although two regulatory disclosures have been published against it, including a clone-firm warning and a financial penalty. Customer service is available in English through phone and email, with the caveat that response times may be lengthy. Its influence is mainly distributed across India, Iraq, and the United States, with an average influence index of 4.27 and an overall rating of D.
Regulatory Compliance and Security
Sigma is regulated by two financial authorities, both of which list the firm as authorized and in good standing. Its safety level is rated Level 1.
Two regulatory disclosures have been recorded. In 2025, the FCA published a clone-firm warning after fraudsters used the details of Sigma Broking Limited to contact people; the warning states that the genuine authorized firm has no connection with the clone entity. In 2022, a financial penalty of £531,600 was imposed on Sigma Broking Limited in connection with transaction reporting failures and shortcomings in its market abuse systems and controls.
Customer Service
Sigma's customer service supports 2 languages and covers 1 region. Most inquiries can be handled through the phone number and email address below, but response times may be lengthy.
Please note that response times from customer support may be lengthy.
Influence
Sigma holds an influence rating of D, with its influence mainly distributed in India, Iraq, and the United States, and an average influence index of 4.27.
5-10 years
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