Insights

Fintech Enablement Callao positions itself as a global fintech enabler that aggregates new generation services and embeds finance for traditional and non-financial companies. This suggests opportunities to sell embedded finance integrations, API access, and white-label fintech capabilities to potential clients seeking to digitize payments, settlements, and financial workflows.

Platform Integration With a platform designed to digitize clients by integrating traditional financial services with modern fintech solutions, there is potential to target mid to large enterprises looking to consolidate multiple financial vendor ecosystems into a single, scalable platform, reducing fragmentation and operational overhead.

Growth Potential Revenue is in the $10M-$25M range and the company maintains a medium-sized employee base. This indicates a growth phase with room for upsell of higher-mvalue enterprise features, premium compliance tooling, and expanded regional payment rails to accelerate revenue per client.

Security & Compliance The tech stack includes security and testing tools (reCAPTCHA, TrackJS, PortSwigger Burp Suite), signaling a strong emphasis on secure, compliant transaction processing. This can be leveraged to address risk-averse buyers in regulated markets and to upsell robust security and compliance modules.

Tech-Driven Delivery The use of modern technologies (React, Python, Bootstrap) and cloud-enabled collaboration (Google Workspace) indicates agility and scalable development. Sales opportunities exist to pitch rapid deployment timelines, flexible APIs, and developer-friendly SDKs to IT and product leaders in target organizations.

Callao Tech Stack

Callao uses 8 technology products and services including LinkedIn Ads, TrackJS, Google Workspace, and more. Explore Callao's tech stack below.

  • LinkedIn Ads
    Advertising
  • TrackJS
    Analytics
  • Google Workspace
    Email
  • React
    Javascript Frameworks
  • Python
    Programming Languages
  • reCAPTCHA
    Security
  • Bootstrap
    UI Frameworks
  • PortSwigger Burp Suite
    Web Application Firewalls

Callao's Email Address Formats

Callao uses at least 2 format(s):
Callao Email FormatsExamplePercentage
FLast@elcallao.comJDoe@elcallao.com
98%
FMiddleLast@elcallao.comJMichaelDoe@elcallao.com
2%
LastFirst@callao.ioDoeJohn@callao.io
100%

Frequently Asked Questions

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

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Callao's official website is callao.io and has social profiles on LinkedIn.

How much revenue does Callao generate?

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As of July 2026, Callao's annual revenue is estimated to be $10M - $25M.

What is Callao's NAICS code?

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

How many employees does Callao have currently?

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As of July 2026, Callao has approximately 305 employees across 3 continents, including South AmericaEuropeNorth America. Key team members include Chief Executive Officer: M. S.Chief Strategy Officer (cso) - Gc: V. F. H.Chief Strategy Officer (cso): N. A.. Explore Callao's employee directory with LeadIQ.

What industry does Callao belong to?

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Callao operates in the Financial Services industry.

What technology does Callao use?

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Callao's tech stack includes LinkedIn AdsTrackJSGoogle WorkspaceReactPythonreCAPTCHABootstrapPortSwigger Burp Suite.

What is Callao's email format?

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Callao's email format typically follows the pattern of FLast@elcallao.com. Find more Callao email formats with LeadIQ.
Callao logo

Callao

Financial ServicesEngland, United Kingdom201-500 Employees

Callao is a London-based financial services company that positions itself as a global fintech enabler. It processes transactions and aggregates new-generation services, integrating traditional financial services with embedded finance to help other financial and non-financial companies digitize their offerings. The firm operates within the fintech ecosystem, emphasizing a platform approach intended to support clients in transforming and digitizing their financial experiences. Based in London, England, Callao serves a workforce described as mid-sized, reflecting its presence in the industry with a substantial, specialized team. A recent development involves the company continuing to expand its platform capabilities to connect traditional and emerging financial services for broader digitization opportunities.

Section iconCompany Overview

Website
callao.io
NAICS Code
52 - Finance and Insurance
Employees
201-500

Section iconFunding & Financials

  • $10M - $25M

    Callao's revenue is estimated to be in the range of $10M - $25M

Section iconFunding & Financials

  • $10M - $25M

    Callao's revenue is estimated to be in the range of $10M - $25M

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