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FourthLine is a non-financial risk and resilience consulting and advisory firm. Most of our clients are from the financial services sector. Our business is built on knowledge. At FourthLine, we provide an added layer of reassurance beyond the three lines of defence. Our risk consulting service works with organisations to create compliant, resilient and secure operations. We focus only on one thing – bringing in the very best people to help organisations grow in the most compliant, risk-free and resilient way. We are consultants in the truest sense of the word, getting to know our clients' exact needs before making a recommendation. Put simply, we’re a business built on specialist knowledge.

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The FourthLine annual revenue was $17.5 million in 2026.

Kieran Maplesden is the Managing Director - Consulting - FS Risk and Resilience of FourthLine.

102 people are employed at FourthLine.

The NAICS codes for FourthLine are [561, 56].

The SIC codes for FourthLine are [736, 73].

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