S3

What S3 does

S3 is a private, Austin, Texas-headquartered SaaS company providing cloud-based regulatory compliance and trade analytics software to broker-dealers, exchanges, asset managers, HFT firms, and banks. Founded in 2006 and operating with a 100% remote workforce of 11–50 employees, the firm describes itself as the trusted industry standard for SEC Rules 605/606 reporting, Consolidated Audit Trail (CAT) reporting, best-execution analytics, transaction cost analysis (TCA), trade surveillance, and fixed-income execution quality — serving what the company characterizes as the vast majority of top US market participants.

The platform is delivered through a web-based portal and combines recurring regulatory reporting with advanced trading analytics. Proprietary technical components include Recursive Routing Analysis (RRA) for information-leak-free Rule 606 look-through compliance; a Depth Aware Enhanced E/Q tool that uses volume-weighted BBO and volume-weighted midpoint calculations; a TCA suite with point-in-time statistics across VWAP, TWAM, Arrival Price, and a proprietary Take analysis benchmark; and a Trade Surveillance Suite covering spoofing, layering, marking the close, trade-through, Reg SHO, wash sales, and insider trading. Product variants extend the platform into Canadian markets, international options, global multi-currency TCA, fixed-income execution quality, and a Concierge custom-reporting service. S3 was FINRA-certified as an authorized CAT Reporting Agent in April 2020.

Revenue is generated primarily through annual enterprise SaaS subscriptions with custom quote-based pricing, supplemented by professional services revenue from the Concierge custom-reporting offering. Distribution combines direct enterprise field sales — including dedicated US and EMEA sales leadership — with channel partnerships through exchanges (six US equity exchanges for 605 reporting), SS&C Technologies (bundled TCA and 606 distribution), and Blue Ocean Technologies (CAT reporting for the Blue Ocean ATS). The company is founder/management-owned with no disclosed funding rounds and has reportedly grown nearly 400% since 2015 under CRO Jeremy Vest.

Name

S3

Legal name

S3

Website

https://s3.com

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

11–50 employees

Short description

S3 is a private, Austin-based SaaS company providing cloud-based regulatory compliance (SEC Rules 605/606, CAT) and trade analytics (best execution, TCA, surveillance) software for broker-dealers, exchanges, asset managers, and banks across US, Canadian, and international markets.

Ownership category

akta.pro rank

Product category

Regulatory Compliance & Trade Analytics Software

NAICS

Securities and Commodity Exchanges (523210), Securities and Commodity Contracts Intermediation and Brokerage (5231), Investment Banking and Securities Intermediation (523150)

SIC

Security & Commodity Brokers, Dealers, Exchanges & Services (6200), Services-Computer Programming, Data Processing, Etc. (7370), Investment Advice (6282)

akta.pro primary industry

Market Surveillance & Trade Monitoring Platforms (FSAFAKAA)

akta.pro secondary industries

Transaction Screening, Sanctions & Compliance Controls (FSAPAJAE), Best Execution & TCA Compliance (FSAFAOAL), Trade Reconstruction, E-Communications & Records Retention (WORM, eDiscovery) (FSACAJAN), Equities Trade Execution Platforms (ATS/MTF/ECN) (FSAFANAA)

Keywords

• Regulatory reporting software
• Best execution analytics
• Trade surveillance solutions
• Transaction cost analysis
• SEC compliance tools

Headquarters

HQ city

Austin

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Marketing or Sales, Operations

Revenue model

1. Regulatory Compliance Software: SaaS-based subscription model for regulatory reporting solutions including SEC Rule 605/606 reporting, CAT reporting, and trade surveillance. Clients access the platform via web portal with subscription pricing.
2. Trade Analytics Software: Best execution analytics and TCA solutions provided as subscription-based software. Includes tools for equities, options, and fixed income analytics across domestic, Canadian, and international markets.
3. S3 Concierge Professional Services: Custom professional reporting service providing dedicated data specialists to produce custom reports formatted to client specifications.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels4 records

Core offering

S3 provides an all-in-one cloud-based regulatory compliance and trade analytics software platform for financial institutions, broker-dealers, exchanges, and trading firms. The platform delivers SEC Rules 605/606 reporting, Consolidated Audit Trail (CAT) reporting, trade surveillance, best execution analytics, and transaction cost analysis (TCA) across equities, options, fixed income, and extended hours trading. Products are delivered via a web-based portal with subscription-based pricing and custom professional reporting services.

Product overview

S3 offers an all-in-one compliance and trade analytics software platform designed for financial institutions, broker-dealers, exchanges, and trading firms. The core product portfolio consists of regulatory reporting tools (SEC Rules 605/606, CAT Reporting), trade analytics (Best Execution Analytics, TCA, Fixed Income Execution Quality Suite), trade surveillance, and custom reporting services (Concierge). The platform is modular, with specialized products like NextGen 605, Global Options Best Ex & TCA, Canadian Best Execution Quality Suite, and International TCA extending capabilities across asset classes and jurisdictions. Products are delivered through a web-based portal with audit trail functionality and support for multiple report formats including XML and PDF.

Differentiator

Problem solved

Functional benefit

Products and services

• SEC Rules 605/606 Reporting Software Comprehensive regulatory reporting suite for SEC Rule 605 execution quality disclosures and Rule 606 order routing disclosures, including automated report generation and compliance validation for broker-dealers, exchanges, and trading firms.
• NextGen 605 Enhanced 605 reporting platform with dynamic charting, custom visualizations, rich filtering, audit trail functionality, order lifecycle tracking, and Downstream Broker Grading capability.
• Best Execution Analytics Software Execution quality analysis platform for equities, options, complex options, and extended hours trading with customizable metrics, benchmarks, and exception management capabilities for broker-dealers and trading firms.
• Best Execution & TCA Monitoring Software Buy-side execution quality suite combining best execution analysis with transaction cost analysis for institutional clients including mutual funds, asset managers, and trading firms.
• CAT Reporting Software Managed solution for Consolidated Audit Trail (CAT) reporting, including file validation, submission to FINRA, and data problem resolution with counterparties for broker-dealers and exchanges.
• Trade Surveillance Suite Monitoring platform for restricted trading behaviors across multiple asset classes including spoofing, layering, marking the close, trade-through, Reg SHO, wash sales, and insider trading with automated audit trail.
• S3 Concierge Custom professional reporting service providing dedicated data specialists to produce custom reports formatted to client specifications.
• Transaction Cost Analysis (TCA) Advanced trading analytics for institutional clients offering point-in-time and order summary statistics with benchmarks including VWAP, TWAM, Arrival Price, and innovative Take analysis.
• Canadian Best Execution Quality Suite Execution quality and order routing analysis for Canadian markets including CBBO data from all Canadian venues, cross-listing support, and World View platform integration for cross-border trade monitoring.
• Global Options Best Ex & TCA Options execution quality and transaction cost analysis for global markets including Canada, LATAM, EMEA, and APAC with multi-currency and timezone support.
• International TCA Transaction cost analysis for international markets supporting domestic firms executing outside the US and non-US firms executing worldwide in equities, options, or fixed income.
• Fixed Income Execution Quality Suite Order execution and counterparty transparency tools for corporate, municipal, and TRACE eligible agency bond trades with audit trail and compliance validation.
• Rule 606(a) Analysis Advanced analytics tool for SEC Rule 606(a) Reports with data aggregation, comparison tools, and reverse engineering capabilities for competitor volume estimates.
• Depth Aware Enhanced E/Q Tool Execution quality tool using volume-weighted BBO and volume-weighted midpoint calculations for more precise representation of available liquidity by considering order size and full volume available at the top of book.
• CAT Insights Supervisory dashboard for CAT reporting with exception management, daily metrics tracking, submission issue flagging, and supervisory report generation capabilities.

Quantifiable outcome

• Nearly 400% growth since 2015 under CRO Jeremy Vest
• +2 more outcomes

Named customers4 records

Segments6 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Four partnerships are on record, tiered core.

• Blue Ocean TechnologiescoreTechnology or Integration · 24 May 2023S3 partnered with Blue Ocean Technologies to provide Consolidated Audit Trail (CAT) data reporting services to Blue Ocean ATS, their trading subsidiary. The partnership supports Blue Ocean's afterhours trading operations and recent expansion including support for Robinhood's 24 Hour Market. S3's CAT reporting service praised for accuracy and efficiency.
• CODA MarketscoreTechnology or Integration · 17 December 2019CODA Markets, operator of an auction-based alternative trading system, selected S3's Best Execution Analytics and SEC Rule 606 Reporting services. S3's technology enables CODA Markets to easily produce 606 regulatory reports in compliance with SEC mandates and identify best execution opportunities.
• SS&C TechnologiescoreChannel Partner/ Reseller/ Distributor · 5 September 2019SS&C Technologies added S3's Transaction Cost Analysis (TCA) and SEC Rule 606 Reporting products to their service lineup. This partnership enables SS&C clients to produce detailed 606 regulatory reports and access S3's trading analytics capabilities through SS&C's platform.
• Six US Equity ExchangescoreTechnology or IntegrationSix US equity exchanges partnered with S3 for 605 reporting. The SEC's updates to Rule 605 added new layers of complexity, leading exchanges to partner with S3 for guidance and reporting capabilities.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• NICE Actimize: NICE Actimize is a large incumbent offering trade surveillance, communications surveillance, and regulatory compliance solutions across financial services. It competes broadly with S3 in trade surveillance and CAT-related compliance but serves a much wider portfolio of risk and compliance needs.
• LSEG (Refinitiv) Regulatory Reporting: London Stock Exchange Group (post-Refinitiv acquisition) provides enterprise regulatory reporting and transaction reporting solutions, including MiFID II reporting. It competes with S3's International TCA and global regulatory reporting for international trading firms and brokers.
• Virtu Financial (ITG TCA): Virtu acquired ITG's TCA and analytics business, providing execution quality analytics alongside its principal trading operations. It competes with S3's TCA Suite for institutional buy-side TCA budgets but bundles analytics with execution services.
• Nasdaq Market Surveillance: Nasdaq provides market surveillance technology (formerly SMARTS) and OCEAN regulatory/transaction reporting infrastructure. S3's VP Sales Scott Richard previously led Nasdaq OCEAN business development, confirming deep competitive overlap, though Nasdaq operates across a broader market infrastructure portfolio.
• Bloomberg Regulatory Reporting: Bloomberg offers enterprise regulatory reporting, trade surveillance, and analytics solutions to financial institutions. It overlaps with S3 across best execution, regulatory reporting, and analytics but does not focus narrowly on US equity broker-dealer compliance the way S3 does.

Emerging players

• ACA Compliance Group: ACA provides regulatory compliance, surveillance, and performance services to buy-side firms. It overlaps with S3 in regulatory reporting and best execution analytics but emphasizes outsourced advisory services alongside its RegTech software offerings.

Direct peers

• Abel Noser Solutions: Abel Noser is a specialist provider of TCA and execution quality analytics for institutional investors, directly competing with S3's TCA Suite and Best Execution Analytics. Both firms serve buy-side institutions measuring execution performance against benchmarks like VWAP and arrival price.
• Eventus Systems: Eventus is a leading provider of trade surveillance and regulatory compliance software for capital markets, directly competing with S3's Trade Surveillance Suite. S3's VP Sales Europe Jake Campbell previously worked at Eventus, confirming direct competitive overlap in multi-asset class surveillance.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/s3-matching-technologies
• Xx.com/s3bestex
• Facebookfacebook.com/s3austin

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about S3