Insights

Strong Industry Recognition Fourthline's recent accolades as a Luminary in Celent’s Technology Capabilities Matrix and its ISO/IEC 27001:2022 certification highlight its robust technological capabilities and commitment to security, making it an attractive partner for organizations prioritizing compliance and security.

Expanding Leadership The appointment of a new CEO and promotion of the COO in early 2026 indicate a strategic focus on growth and innovation, presenting an opportunity to engage with a forward-looking company eager to expand its market presence.

Innovative Solutions Launch The recent launch of eID Verification demonstrates Fourthline’s commitment to leveraging government-issued electronic IDs, which could appeal to clients seeking cutting-edge, compliant identity verification methods.

Market Differentiators Fourthline's recognition for best-in-class fraud protection, industry-leading conversion rates, and AI-powered onboarding solutions suggest strong value propositions that can be tailored to enhance client compliance and customer experience.

Strategic Client Base Trusted by prominent European fintech and bank-like institutions including N26, Qonto, and Trade Republic indicates a wide, influential client network, which may present partnership or upselling opportunities within similar sectors.

Fourthline Tech Stack

Fourthline uses 8 technology products and services including Gradle, Cloudflare, PostgreSQL, and more. Explore Fourthline's tech stack below.

Gradle

Build Automation

Cloudflare

Content Management System

PostgreSQL

Database

Figma

Design

Cisco

Network Hardware

Stripe

Payment Processing

iOS

Programming Languages

Google Analytics

Web Analytics

Fourthline Email Formats	Example	Percentage
F.Last@fourthline.com	J.Doe@fourthline.com	89%
Last.First@fourthline.com	Doe.John@fourthline.com	5%
LastFi@fourthline.com	DoeJo@fourthline.com	3%
First-Last@fourthline.com	John-Doe@fourthline.com	3%

Fourthline Email Formats

Example

Percentage

F.Last@fourthline.com

J.Doe@fourthline.com

89%

Last.First@fourthline.com

Doe.John@fourthline.com

LastFi@fourthline.com

DoeJo@fourthline.com

First-Last@fourthline.com

John-Doe@fourthline.com

Frequently Asked Questions

Where is Fourthline's headquarters located?

Fourthline's main headquarters is located at 77 James Wattstraat Amsterdam, North Holland 1097 dl Netherlands. The company has employees across 4 continents, including EuropeOceaniaNorth America.

What is Fourthline's official website and social media links?

Fourthline's official website is fourthline.com and has social profiles on LinkedIn.

What is Fourthline's NAICS code?

Fourthline's NAICS code is 52 - Finance and Insurance.

How many employees does Fourthline have currently?

As of February 2026, Fourthline has approximately 213 employees across 4 continents, including EuropeOceaniaNorth America. Key team members include Cfo - Board Member: P. G.Chief Revenue Officer (cro): J. W.Chief Risk Officer/Boardmember, Co-Founder: C. V. S.. Explore Fourthline's employee directory with LeadIQ.

What industry does Fourthline belong to?

Fourthline operates in the Financial Services industry.

What technology does Fourthline use?

Fourthline's tech stack includes GradleCloudflarePostgreSQLFigmaCiscoStripeiOSGoogle Analytics.

What is Fourthline's email format?

Fourthline's email format typically follows the pattern of F.Last@fourthline.com. Find more Fourthline email formats with LeadIQ.

How much funding has Fourthline raised to date?

As of February 2026, Fourthline has raised $15M in funding. .

When was Fourthline founded?

Fourthline was founded in 2017.

Fourthline

Q: What is Fourthline's official website and social media links?

Fourthline's official website is fourthline.com. Fourthline has social profiles on LinkedIn.

Q: How many employees does Fourthline have currently?

Fourthline has approximately 213 employees.

Q: What technology does Fourthline use?

Fourthline's tech stack includes iClarity B2B2C, Google Fonts API, Zeplin, Grafana, Windows 7.

Q: What is Fourthline's NAICS code?

Fourthline's NAICS code is 52 (Finance and Insurance).

Financial ServicesNorth Holland, Netherlands201-500 Employees

Fourthline makes compliance your competitive advantage.

Offering comprehensive KYC and AML for the whole customer lifecycle, we build tailored identity verification and fraud prevention solutions. Now you can ensure regulatory adherence without compromising on customer experience or security.

Choose Fourthline for:

• A modular platform to help you grow at scale
• Best-in-class fraud protection
• Bank-grade security and compliance
• AI-powered solutions for faster onboarding
• Industry-leading conversion
• A frictionless customer experience

We're trusted by industry leaders of financial and non-financial businesses across Europe, including N26, Qonto, Trade Republic, flatexDEGIRO, Scalapay, Shine, and more.

Insights

Similar companies to Fourthline

AU10TIX -Always on Identity Management

Acuant

Signicat

SEON

Shufti

IDnow Gmbh

MiTek

Sumsub

Veriff

Onfido

Yoti

TruNarrative

Socure

Cognito

Fourthline Tech Stack

Media & News

Fourthline recognized as Luminary.

Fourthline hired Paul Stoddart as CEO on Mar 3rd '26.

Fourthline recognized as Luminary' in Celent's February 2026 report 'Know Your Customer Systems: Customer Due Diligence / Customer Lifecycle Management on Feb 25th '26.

Fourthline promoted Fleur de Roos to Chief Operating Officer on Jan 22nd '26.

Fourthline receives award XCelent Advanced Technology Award.

Fourthline receives award XCelent Breadth of Functionality Award.

Fourthline launched eID Verification - a solution that lets organisations verify identities directly against government-issued electronic IDs on Nov 27th '25.

Fourthline's Email Address Formats