Insights

Enterprise FinTech Focus Addendum specializes in enterprise software development, IT outsourcing, and consulting for fintech, banking, telecom, and government sectors. This positions them as a strong partner for financial services clients seeking digital product development, data strategy, and SQA to accelerate time-to-value.

Global Clientele Trusted by Western Union, Lietuvos bankas, SEB, Danske Bank, Luminor group, and Telia Company indicates a track record with large, regulated and high-security environments. This opens doors to mid to large enterprise opportunities requiring robust governance, compliance, and enterprise technology stacks.

Tech Stack Synergies Proficiency in Kubernetes, Microsoft SQL Server Integration Services, Salesforce Lightning Web Components, and data-oriented tools suggests opportunities in cloud-native deployments, data integration projects, and analytics initiatives for data-heavy customers seeking modernization and efficiency gains.

SMB to Midmarket Upsell With a headcount of 51-200 and revenue in the lower M range, Addendum is well-positioned to upsell managed services, data management, and augmented staff to midmarket fintech and telecom firms seeking scalable outsourcing and rapid delivery without large-novice risk.

Growth via Partnerships The combination of digital product focus, outcomes-driven delivery, and a diverse tech stack creates cross-sell potential across consulting, IT resource outsourcing, QA, and platform modernization engagements, especially for clients expanding digital initiatives and regulatory-driven programs.

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Addendum Tech Stack

Addendum uses 8 technology products and services including Google Ads, HubSpot Analytics, UiPath, and more. Explore Addendum's tech stack below.

Addendum's Email Address Formats

Addendum uses at least 2 format(s):
Addendum Email FormatsExamplePercentage
First.Last@addendum.ltJohn.Doe@addendum.lt
100%
First.Last@addendumgroup.comJohn.Doe@addendumgroup.com
100%

Frequently Asked Questions

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

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Addendum's official website is addendumgroup.com and has social profiles on LinkedIn.

How much revenue does Addendum generate?

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As of July 2026, Addendum's annual revenue is estimated to be $1M - $10M.

What is Addendum's NAICS code?

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Addendum's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Addendum have currently?

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As of July 2026, Addendum has approximately 63 employees across 5 continents, including EuropeNorth AmericaAsia. Key team members include Chief Marketing Officer: S. C.Head Of Talent Acquisition And Hr: A. S.Head Of Talent Acquisition: J. D. B.. Explore Addendum's employee directory with LeadIQ.

What industry does Addendum belong to?

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Addendum operates in the IT Services and IT Consulting industry.

What technology does Addendum use?

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Addendum's tech stack includes Google AdsHubSpot AnalyticsUiPathApache AirflowHashiCorp TerraformAdobe Experience ManagerElastic stack (ELK)Sentry.

What is Addendum's email format?

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Addendum's email format typically follows the pattern of First.Last@addendum.lt. Find more Addendum email formats with LeadIQ.

When was Addendum founded?

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Addendum was founded in 2009.
Addendum logo

Addendum

IT Services and IT ConsultingCalifornia, United States51-200 Employees

Addendum is a medium-sized IT services and consulting firm headquartered in Marina Del Rey, California, with an international footprint. The company provides software development, IT outsourcing, and consulting services aimed at helping clients deliver technology-enabled solutions. Its service areas include enterprise software development, IT resource outsourcing and team augmentation, data management and business intelligence, IT consulting, and software quality assurance. The organization brings together product and project managers, business analysts, software architects and engineers, database and data-warehouse specialists, QA engineers, and DevOps professionals. It serves clients across fintech, banking, telecom, and government sectors, working with them to define product strategy, establish shared goals, and select appropriate approaches and technologies to achieve outcomes quickly, focusing on measurable impact.

Among its clients are Western Union, Lietuvos bankas, SEB, Danske Bank, Luminor group, and Telia Company, illustrating engagement with financial services and telecoms. The firm emphasizes delivering digital product development focused on outcomes and shorter timeframes.

Section iconCompany Overview

NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2009
Employees
51-200

Section iconFunding & Financials

  • $1M - $10M

    Addendum's revenue is estimated to be in the range of $1M - $10M

Section iconFunding & Financials

  • $1M - $10M

    Addendum's revenue is estimated to be in the range of $1M - $10M

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