S3
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.
- Company typePrivate
- Founded2006
- HeadquartersAustin, United States
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
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.
S3 firmographics
Firmographics- 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
S3 industry classification
Industry- 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
Where S3 is headquartered
LocationHeadquarters
- HQ city
- Austin
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
S3 business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Operations
Revenue model
- 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.
- 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.
- S3 Concierge Professional Services: Custom professional reporting service providing dedicated data specialists to produce custom reports formatted to client specifications.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Enterprise subscription pricing - custom quote |
Go-to-market motion2 records
Distribution channels2 records
Marketing channels4 records
S3 product offering
Product offeringCore 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
Companies that use S3
Customer profileNamed customers4 records
Segments6 records
Ideal customer profiles6 records
S3 technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
S3 partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered core.
- Blue Ocean TechnologiescoreS3 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 MarketscoreCODA 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 TechnologiescoreSS&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 ExchangescoreSix 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
S3 competitors and assessment
Company assessmentBroad 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
S3 social profiles
Digital presenceS3 compliance and trust
Trust signalCompliance1 record
S3 financial estimates
Financial estimateRevenue estimate
Valuation estimate
S3 leadership team
Management profileNumber of profiles
Profiles8 records
S3 funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
S3 M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about S3
What does S3 do?
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.
Is S3 a public or private company?
S3 is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was S3 founded?
S3 was founded in 2006. It employs 11 to 50 people.
Where is S3 based?
S3 is headquartered in Austin, United States, in the North America region.
How does S3 make money?
Three revenue lines are on record. Regulatory Compliance Software is the primary driver. The others are trade Analytics Software and S3 Concierge Professional Services.
Who are S3's main competitors?
Broad incumbents on record are NICE Actimize, LSEG (Refinitiv) Regulatory Reporting, Virtu Financial (ITG TCA), Nasdaq Market Surveillance and Bloomberg Regulatory Reporting. ACA Compliance Group is listed as an emerging player. Direct peers are Abel Noser Solutions and Eventus Systems.
Does S3 have an API?
No public API is recorded for S3.
What industry is S3 in?
S3's product category is Regulatory Compliance & Trade Analytics Software. Its primary akta.pro industry code is FSAFAKAA, Market Surveillance & Trade Monitoring Platforms, with a secondary code of FSAPAJAE, Transaction Screening, Sanctions & Compliance Controls. Its NAICS code is 523210 and its SIC code is 6200.