Company lists · Data refreshed September 2026
Top 25 Expert advisor platforms based in the United States
RevenueBase identified 488 expert advisor platforms headquartered in the United States as of September 2026 and tracks 12,602 professional contacts across them, including 4,101 with verified work emails. New York is the largest hub.
This list covers expert advisor platforms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest expert advisor platforms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,964 contacts → | ||||
Indirect evidence “Topstep didn’t enter the prop trading space.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,156 contacts → | ||||
Indirect evidence “Citadel Securities is a technology-driven, next-generation global market maker.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 682 contacts → | ||||
Indirect evidence “For 30 years, FlexTrade Systems has delivered customized multi‑asset execution and order management trading solutions to buy‑ and sell‑side financial institutions worldwide.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 474 contacts → | ||||
Indirect evidence “When Instinet gave birth to electronic trading in 1969, we were a small tech-focused start-up with a simple point of view: technology can bring great efficiency to the financial…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 429 contacts → | ||||
Indirect evidence “NinjaTrader: Driving innovation, empowering traders, and building a global community.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 292 contacts → | ||||
Partial evidence “TS Imagine delivers a best-in-class SaaS platform for integrated electronic front-office trading, portfolio management, and financial risk management tools to the buy-side and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 220 contacts → | ||||
Indirect evidence “Trade Better with Exegy | Scalable, Reliable Market Data and Trading Infrastructure for Capital Markets Exegy powers global capital markets with low-latency, mission-critical…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 180 contacts → | ||||
Indirect evidence “TRAFiX is a broker-neutral FinTech company providing cutting-edge, innovative Order & Execution Management solutions, as well as real-time FIX connectivity and normalized API…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 173 contacts → | ||||
Indirect evidence “oneZero develops multi-asset class trading technology, which empowers financial institutions and brokers to compete in today’s ever-changing global markets.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 144 contacts → | ||||
Indirect evidence “Dash Financial Technologies is a leading trading technology provider to the institutional trading community.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 130 contacts → | ||||
Indirect evidence “Kershner Trading Group, LLC, wants to be known as the best place in the world where short term traders make the most money and grow their career.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 112 contacts → | ||||
Indirect evidence “As a leading, technology-driven, proprietary market-making firm, we work with the most advanced technology and software in the market.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 95 contacts → | ||||
Indirect evidence “SpiderRock is a leading provider of advanced trading, risk management, and data solutions for global derivatives markets.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 92 contacts → | ||||
Indirect evidence “Edgewater is a leading trading technology provider that specializes in FX trade execution and liquidity aggregation to help institutions trade efficiently and competitively across…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 85 contacts → | ||||
Indirect evidence “Legacy trading infrastructure can’t keep pace with the way modern wealth firms operate.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 81 contacts → | ||||
Partial evidence “ETNA is a software development company empowering brokers, dealers, and financial advisors with trading, wealth management, and back-office solutions for 22+ years.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 78 contacts → | ||||
Indirect evidence “From Traders, For Traders.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 74 contacts → | ||||
Indirect evidence “Intelligent Execution.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 69 contacts → | ||||
Partial evidence “Sterling offers trading platforms, OMS and infrastructure solutions and risk and margin tools.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 66 contacts → | ||||
Partial evidence “Exceptional trading emerges where human intuition meets frictionless experimentation.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 61 contacts → | ||||
Indirect evidence “About Us: Founded in the heart of Silicon Valley in 1997, Fortex has been at the forefront of financial technology innovation for over two decades.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 54 contacts → | ||||
Indirect evidence “Powering Global Trading Since 1989 Quick Suite Trading (QST) delivers fast, secure, and reliable technology solutions for the financial services industry.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 53 contacts → | ||||
Indirect evidence “BestEx Research provides execution algorithms for equities, futures and FX to buy- and sell-side institutions globally.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 52 contacts → | ||||
Indirect evidence “Valkyrie Trading, LLC was formed in Chicago in 2011 with the intent of embracing trading opportunities and technology in a modern marketplace.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 52 contacts → | ||||
Indirect evidence “Founded in 1979 by Louis B.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: expert advisor platforms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names expert advisor platforms.
- Partial evidence
- Its own public description names part of expert advisor platforms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name expert advisor platforms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 488 expert advisor platforms based in the United States
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Expert advisor platforms based in the United States at a glance
As of Sep 28, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 488 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among expert advisor platforms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “expert advisor platforms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names expert advisor platforms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among expert advisor platforms, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 4,101 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Expert advisor platforms by metro
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names expert advisor platforms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many expert advisor platforms are there based in the United States?
RevenueBase identified 488 expert advisor platforms headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Topstep, headquartered in Chicago, tops this list with the largest team on record.
Which city has the most expert advisor platforms?
New York leads with 78 headquartered companies, followed by Chicago (57) and San Francisco (22).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 4,101 verified decision-maker contacts tracked across these 488 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.
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Expert advisor platforms by geography
- Expert advisor platforms based in Mumbai, India
- Expert advisor platforms based in Dubai, United Arab Emirates
- Expert advisor platforms based in London, United Kingdom
- Expert advisor platforms based in Chicago, United States
- Expert advisor platforms based in New York, United States
- Expert advisor platforms based in Australia
- Expert advisor platforms based in Brazil
- Expert advisor platforms based in Canada
- Expert advisor platforms based in Cyprus
- Expert advisor platforms based in India
- Expert advisor platforms based in Israel
- Expert advisor platforms based in the Netherlands
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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