Improving Trust

All-in-one compliance, reporting, and analytics.

S3 is a full service compliance and trade analytics software company providing simple and elegant solutions to address client needs for regulatory reporting, trade surveillance, and best execution analytics, across multiple asset classes. S3’s robust product suite offers exceptional trading analytics technology, and all-in-one regulatory reporting solutions for U.S. and International financial markets.

Who We Serve

S3 products are used today by many of the world’s largest financial institutions including retail broker-dealers, exchanges, bulge bracket and retail banks, as well as mutual funds.

Our Offering

S3 provides simple and elegant solutions to address our clients’ regulatory needs in trade surveillance, execution quality, and reporting, across multiple asset classes,  all on one platform. 

Regulatory Reporting Suite

S3’s all-in-one compliance solutions are designed to increase efficiency and ease in meeting regulatory guidelines for trading practices.

Best Execution Trade Analytics

S3 provides exemplary execution analysis through technical innovation
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Trade Surveillance

The information collected by S3 provides insights into where orders are being sent so that any potential conflicts or missteps can be illuminated. Additionally, S3 provides tools to track and report fees and rebates.

Products & Services

SEC Rule 606 Reporting

SEC Rule 606 ReportingEasily and effectively comply with the SEC 606 order routing disclosure regulations. In 2018, the Securities and Exchange Commission (“SEC”) announced updates to Rule 606 in an effort to ensure that broker-dealers are acting in the best interest...

Rule 606(a) Analysis

Rule 606(a) Analysis S3 Rule 606(a) Analysis offers advanced analytics for SEC Rule 606(a) Reports.  SEC Rule 606(a) requires broker-dealers to make quarterly reports publicly available, broken down by calendar month, containing certain required information...

Best Execution Analytics

Best Execution Analytics Reporting and trade exception management solutions that optimize trade execution, streamline the search for price improvement and simplify regulatory compliance. S3’s proprietary Best Execution Analytics software provides on-the-spot reporting...

CAT Reporting

CAT ReportingA managed solution which validates exchange files, submits required data to the Consolidated Audit Trail (CAT), and resolves data problems with individual brokers. On April 20, 2020, industry participants began being required to submit reports in...

Trade Surveillance Suite

Trade Surveillance Suite Monitor trading for a variety of restricted behaviors across multiple asset classes, including market manipulation and other trade-based violations. S3’s Trade Surveillance Suite (TSS) simplifies monitoring for a variety of restricted...

Regulatory Reporting Suite

Advanced analytics tools for SEC Rules 605, 606, 611 and Regulation SHO. Read more about S3's Regulatory Reporting Suite

Transaction Cost Analysis (TCA)

Transaction Cost Analysis (TCA)   Advanced trading analytics functionality, order execution transparency and Transaction Cost Analysis (TCA) specifically for institutional clients. S3’s Transaction Cost Analysis Suite offers advanced trading analytics...

Canadian Best Execution Quality Suite

Given varying conditions between the U.S. and Canadian markets, execution considerations become more complicated and change in real time for dual-listed stocks.  S3’s Canadian Best Execution Quality Suite keeps traders informed of these shifting circumstances by...

Fixed Income Execution Quality Suite

Order execution transparency and compliance tools for corporate, municipal, and TRACE eligible agency bond trades. Read More About S3's Fixed Income Execution Quality Suite.

S3 Concierge

S3 Concierge S3 Concierge provides clients with a dedicated data expert to produce custom reports from specifically requested data and formatted to preference. With S3 Concierge, our latest service takes our quality data and our industry-leading service a step...

Complex Option Spread Best Execution

S3's Execution Quality for Complex Spreads allows clients to determine and prove how well their complex spreads are being executed. By developing an execution quality system that understands complex orders, S3 is able to show the execution quality of the complete...

Options TCA

Options TCA Unmatched Transaction Cost Analysis and Best Execution Insight for the Options Market S3’s proprietary Options TCA platform enables users to better identify, and achieve, best execution and price improvement on their options orders by analyzing a multitude...

News

TABB Forum: Like PFOF for Chocolate

TABB Forum published op-ed authored by S3 CEO Mark Davies. 26 March 2021 When it comes to payment for order flow, the quality of trade executions is still very opaque – despite the fact that SEC Rule 605 reports show how well market centers perform. These reports do...

STANY Member Spotlight: Mark Davies

This month’s spotlight is on new STANY Associate Member, Mark Davies. Davies is Co-Founder and CEO of S3, a full-service compliance and trade analytics software company that services many of the world’s largest financial institutions and exchanges. S3’s extensive...

S3 Welcomes Sarah Phillips for Marketing and Sales Operations

Austin, TX December 1, 2020 – S3, a leading provider of trade surveillance, analytics, and regulatory reporting technology, today announced the appointment of Sarah Phillips as Vice President of Marketing and Sales Operations. At S3, Phillips will be responsible...

S3 Launches Concierge Service for Custom Reports

Press Release S3 Concierge provides clients with a dedicated data expert to produce custom reports from specifically requested data and formatted to preference     Austin, Texas, 07 October 2020 –S3, a leading provider of trade surveillance,...

Markets Media: RegTech Q&A with Mark Davies, S3

S3 CEO Mark Davies speaks with Terry Flanagan about the latest regtech updates, SEC Rule 606, and how the S3 team has been operating during the pandemic in the latest Markets Media article by Terry Flanagan 18 August 2020 What has it been like leading S3 through...

S3 Certified for CAT Production by FINRA

Press Release FINRA grants S3 CAT Reporting Agent status augmenting S3’s CAT reporting technology already utilized by several major financial institutions.   Austin, TX, 27 April 2020 S3, a leading provider of all-in-one compliance solutions, announced today that...

Traders Magazine: S3’s Davies on SEC Rule 606 Delay

John D'Antona, Editor of Traders Magazine speaks exclusively to S3 CEO Mark Davies on the delay of SEC Rule 606 by John D'Antona 1 April 2020 The current COVID-19 pandemic has forced a change in the amended Rule 606 timeframe. Last week the Securities and Exchange...