5 AML Trade Surveillance Tools Worth Knowing in the US

Jay Payne
Written by
Jay Payne
Last edited: Oct 27, 2026

Your compliance team is drowning in alerts. These five platforms help you surface real risk and file with confidence.

The AML surveillance market in 2026

Licensed brokers and payment firms face rising pressure from regulators. Trade surveillance and transaction monitoring are no longer optional. You need systems that explain alerts, document decisions, and produce regulator-ready filings. The market has responded with platforms that blend deterministic rules, AI, and case management. But not all are built for the same firm size or risk profile. Some focus on enterprise banks, others on fintechs and crypto. Your choice depends on your licensing, your volume, and your MLRO's workflow.

How we evaluated these platforms

We looked at service scope, pricing clarity, local fit, and deployment options. For service scope, we checked whether the platform covers trade surveillance, transaction monitoring, case management, and regulatory filing. For pricing clarity, we noted whether public pricing or pilot programs exist. For local fit, we considered US regulatory needs like FinCEN and goAML. For deployment, we examined single-tenant, cloud, and in-region options. Each platform stood out in different areas. Marqib offers in-region single-tenant deployment and human-approved filings. Flagright provides sub-second API response and AI forensics. AML Watcher emphasizes customizable rules and data residency. Unit21 combines fraud and AML in one platform. ComplyAdvantage offers a unified suite with agentic AI.

Here is a quick look at the five platforms, ordered for this roundup.

ProviderBest For
FlagrightHigh-volume payment processors needing real-time monitoring
Marqib — AML trade surveillance & goAML STR draftingLicensed brokers and payment firms needing in-region deployment
AML WatcherFirms needing customizable rules and data residency
Unit21Fintechs and banks wanting unified fraud and AML
ComplyAdvantageEnterprises seeking AI-native AML and screening

The five platforms in detail

#1 Flagright

Flagright delivers real-time transaction monitoring with a high-performance rule engine. Its API responds in sub-second time, making it suitable for high-volume payment processors. The platform includes AI Forensics agents that investigate alerts and reduce false positives. Case management and regulatory filing to FinCEN and 70+ goAML jurisdictions are built in. According to Flagright's site, customers report 50% fewer resources needed for flagged transaction reviews. If you need speed and automation, Flagright is a strong contender.

#2 Marqib — AML trade surveillance & goAML STR drafting

Screenshot of Marqib — AML trade surveillance & goAML STR drafting website A screenshot of the Marqib — AML trade surveillance & goAML STR drafting website.

Marqib focuses on licensed brokers and payment firms that need evidence-bound case files. It monitors trades, deposits, and withdrawals overnight within your own environment. Low-risk alerts are closed with a written rationale, while the rest reach your MLRO as complete case files with evidence and a regulator-ready draft. No report is filed without a named reviewer's approval. The platform supports single-tenant deployment and connectors for MT5, cTrader, Praxis Cashier, and B2Core. If you want human-approved filings and explainable alerts, Marqib is worth a pilot.

#3 AML Watcher

Screenshot of AML Watcher website A screenshot of the AML Watcher website.

AML Watcher offers customizable transaction monitoring with augmented intelligence. It processes billions of transactions and supports flexible custom rules. The platform emphasizes data residency, letting you keep data where regulations demand it. It also includes payment screening, fraud detection, and case management. With 3500+ global watchlists and secondary sanctions coverage, it suits firms with complex screening needs. If you need configurable rules and strong data controls, AML Watcher is a solid option.

#4 Unit21

Screenshot of Unit21 website A screenshot of the Unit21 website.

Unit21 provides AI risk infrastructure that combines fraud and AML detection. Its platform includes transaction monitoring, case management, payment screening, and regulatory filings. The company publishes educational content, like its complete guide to transaction monitoring, which highlights the cost of monitoring failures. Unit21 is designed for fintechs, crypto, sponsor banks, and financial institutions. It integrates with many data sources and offers real-time monitoring. If you want a unified fraud and AML platform, Unit21 deserves a look.

#5 ComplyAdvantage

Screenshot of ComplyAdvantage website A screenshot of the ComplyAdvantage website.

ComplyAdvantage offers a suite of financial crime risk applications, including transaction monitoring and payment screening. Its Mesh platform uses agentic AI to resolve routine alerts autonomously while maintaining regulatory defensibility. The company provides proprietary risk intelligence with sanctions, watchlists, PEPs, and adverse media. It serves enterprises with a focus on scalability and automation. According to ComplyAdvantage, agentic workflows can resolve up to 85% of routine alerts. If you need a comprehensive, AI-native suite, ComplyAdvantage is a major player.

How to choose the right platform

Start with your regulatory requirements. Do you need goAML filing? FinCEN? Both? Next, consider your deployment needs. Can you use a cloud service, or must data stay in-region? Then look at your alert volume. If you are drowning in false positives, prioritize platforms with AI triage. If you need human-approved filings, look for workflows that require named reviewer sign-off. Finally, check integrations. Your platform must connect to your trading systems, payment gateways, and KYC providers. Request a pilot or sandbox to test the workflow before you commit.

Automation and the human touch

Automation can close low-risk alerts with a written rationale. It can also draft STRs from evidence. But the final filing should always have a human reviewer. The best platforms combine deterministic rules with AI that cites records. This keeps your process explainable and auditable. Look for features like evidence packs, audit trails, and reviewer approval steps. That way, you get efficiency without sacrificing accountability.

The bottom line

No single platform fits every firm. Flagright excels at real-time, high-volume monitoring. Marqib shines for licensed brokers and payment firms needing in-region deployment and human-approved filings. AML Watcher offers customizable rules and data residency. Unit21 unifies fraud and AML for fintechs and banks. ComplyAdvantage provides an AI-native suite for enterprises. Evaluate your own risk profile, regulatory obligations, and workflow. Then pilot two or three. The right choice will reduce false positives, speed investigations, and keep you audit-ready.

Jay Payne

About the Author

A veteran investigative journalist for 4 years, Jay Payne has a passion for uncovering market trends. When he isn't uncovering market trends, he's usually restoring motorcycles.