Company lists · Data refreshed September 2026

Top 23 Fintech app development services based in New York, United States

Name: Fintech app development services based in New York, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 64 companies tracked

RevenueBase identified 64 fintech app development services headquartered in New York, United States as of September 2026 and tracks 1,338 professional contacts across them, including 583 with verified work emails. Across the United States, New York is the largest hub for this category.

This list covers fintech app development services headquartered in New York, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

64Companies

1,338Contacts tracked

583Verified emails

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The 23 largest fintech app development services based in New York, United States

Ranked by team size

Top 23 of 64 fintech app development services based in New York, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to fintech app development services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Moneylion	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	501-1,000	553 contacts →
	Partial evidence “MoneyLion (part of Gen) is a leader in financial technology, powering the next generation of personalized products and content, with a top consumer finance super app, a premier…” Source: RevenueBase Database · checked Sep 28, 2026
2	Lab49	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	201-500	231 contacts →
	Indirect evidence “Lab49 is a specialist consultancy that designs and develops bespoke and innovative technology solutions in partnership with key participants in financial markets.” Source: RevenueBase Database · checked Sep 28, 2026
3	28stone	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	201-500	167 contacts →
	Indirect evidence “28Stone was founded in 2011 to deliver software that brings out the best in every client we serve.” Source: RevenueBase Database · checked Sep 28, 2026
4	Blue Alba	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	51-200	74 contacts →
	Partial evidence “At Blue Alba we combine our extensive experience in financial industry software development with our knowledge of the latest and greatest technologies to deliver the best…” Source: RevenueBase Database · checked Sep 28, 2026
5	Convergesol	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	51-200	58 contacts →
	Partial evidence “ConvergeSol is a leading custom software development and consulting firm exclusively serving the financial services, SMB, and startup industries.” Source: RevenueBase Database · checked Sep 28, 2026
6	Mobirey	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	51-200	38 contacts →
	Indirect evidence “About Us: We are your dedicated partner in the dynamic world of cutting-edge market data and trading solutions.” Source: RevenueBase Database · checked Sep 28, 2026
7	Envelop Technologies	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	26 contacts →
	Indirect evidence “IT Consulting” Source: RevenueBase Database · checked Sep 28, 2026
8	Antit Nearshoring And Agile Software Development Company	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	10 contacts →
	Partial evidence “Founded in 2015, Antit is a mobile development company specializing in the development of a minimum viable product (MVP), and time-to-market (TTM) products, with a strong…” Source: RevenueBase Database · checked Sep 28, 2026
9	Fierce Finance	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	9 contacts →
	Partial evidence “The Money App for the Busy Professional- Earn 4.00% APY on cash, FDIC-insured*- No Fees, No Minimums, No Lockups - Free Debit Card, 55k+ Fee-free ATMs - Fractional-share Stock…” Source: RevenueBase Database · checked Sep 28, 2026
10	Skyblue Analytics	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	9 contacts →
	Partial evidence “Skyblue Analytics: Redefining Fintech Innovation \| Investment Infrastructure.” Source: RevenueBase Database · checked Sep 28, 2026
11	Xios Technologies	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	9 contacts →
	Indirect evidence “Xios Technologies is a financial technology firm that provides front office solutions for the world's leading financial services institutions.” Source: RevenueBase Database · checked Sep 28, 2026
12	The Walker Group	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1-10	7 contacts →
	Indirect evidence “The Walker Group is a boutique management consulting company located in New York.” Source: RevenueBase Database · checked Sep 28, 2026
13	Ovis Technologies	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	6 contacts →
	Indirect evidence “Ovis Technologies builds custom online software applications with a focus in the financial services industry.” Source: RevenueBase Database · checked Sep 28, 2026
14	Investall	Strong evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	6 contacts →
	Strong evidence “Investall is a New York City-based FinTech company that is revolutionizing the journey to a secure financial future with its AI/ML-powered Investall mobile apps.” Source: RevenueBase Database · checked Sep 28, 2026
15	Maps Financial	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	201-500	5 contacts →
	Indirect evidence “For over 25 years, we have been investing in innovation, knowledge and service excellence to provide specialized technology on full-solutions for banking, asset management…” Source: RevenueBase Database · checked Sep 28, 2026
16	Finmain, INC	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	3 contacts →
	Partial evidence “FinMain is a FinTech as a Service (FTaaS) platform accelerating digital transformation and innovation for regional financial institutions.” Source: RevenueBase Database · checked Sep 28, 2026
17	Telk Group	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1-10	3 contacts →
	Partial evidence “TELK is a global B2B financial technology(Fintech) company dedicated to bringing transparency in the traditional finance and digital assets markets.” Source: RevenueBase Database · checked Sep 28, 2026
18	Nitro Trading Systems	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1-10	3 contacts →
	Partial evidence “Nitro Trading Systems was founded by Wall Street veterans with extensive FinTech experience in developing and operating sophisticated trading systems across multiple asset classes.” Source: RevenueBase Database · checked Sep 28, 2026
19	Summit Group Technologies, LLC	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	2 contacts →
	Partial evidence “Summit Group Technologies, LLC is a financial services based technology firm specializing in the development of state-of-the-art trading and research technologies.” Source: RevenueBase Database · checked Sep 28, 2026
20	Bastion Research	Indirect evidence	New York, United StatesHQ checked Sep 28, 2026	11-50	1 contacts →
	Indirect evidence “Bank software as a service.” Source: RevenueBase Database · checked Sep 28, 2026
21	Indiscan	Indirect evidence	New York, United StatesHQ checked Sep 28, 2026	1-10	1 contacts →
	Indirect evidence “For the last 25 years, the INDISCAN team have worked in the financial and financial technology industry; designing deploying, and supporting mission critical, industry leading…” Source: RevenueBase Database · checked Sep 28, 2026
22	Quantel AI	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1-10	1 contacts →
	Partial evidence “Quantel AI was founded in 2018 with a vision to create an innovative Fintech startup that brings the advancements in the field of Artificial Intelligence and applying it on real…” Source: RevenueBase Database · checked Sep 28, 2026
23	Themis Technology, LLC	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1-10	1 contacts →
	Indirect evidence “Themis Technology builds custom applications for the financial services industry.” Source: RevenueBase Database · checked Sep 28, 2026

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: fintech app development services. 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 fintech app development services.
Partial evidence: Its own public description names part of fintech app development services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name fintech app development services. 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 23 of 64 fintech app development services based in New York, United States

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Fintech app development services based in New York, United States at a glance

As of Sep 28, 2026

43.6%Verified-email coverage

20.9Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for New York, so it is reported there. Company counts and contact totals on this page are exact for New York, over 64 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 fintech app development services, 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 New York, United States whose own description of what they do matches “fintech app development services”. 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 fintech app development services), 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 fintech app development services, and records with no verified work email. Companies headquartered outside New York 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, 583 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.

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 fintech app development services, 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 fintech app development services are there based in New York, United States?

RevenueBase identified 64 fintech app development services headquartered in New York, 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?

Moneylion, headquartered in New York, tops this list with the largest team on record.

Which city in the United States has the most fintech app development services?

New York leads the United States with 64 headquartered companies, followed by San Francisco (23) and Miami (20).

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 583 verified decision-maker contacts tracked across these 64 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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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.