Insights

Niche Focus Boutique capital markets consulting with deep, long-term specialization since 1984, presenting a clear differentiation and potential for high-touch engagements with financial institutions seeking regulatory, technology, and lifecycle insights.

Regulatory Readiness Clients operate in a highly regulated, competitive market. There is opportunity to offer risk mitigation, compliance advisory, and efficiency improvements tied to changing rules and market structure developments.

Cost and Efficiency Small firm size implies agility. Position as a partner to help reduce costs, optimize client expectations, and accelerate time-to-value for regulatory projects and technology adaptations.

Technology Enablement Experience across trading lifecycle, technology adaptation, and fintech interfaces suggests opportunities to assist with systems integration, vendor assessments, and workflow automation for trading desks.

Growth Readiness Revenue under one million signals potential for scaled advisory programs, retainer relationships, and cross-sell into investment managers, hedge funds, and exchanges seeking specialized capital markets expertise.

Tellefsen and Company, L.L.C Tech Stack

Tellefsen and Company, L.L.C uses 8 technology products and services including Wix, WordPress, Webpack, and more. Explore Tellefsen and Company, L.L.C's tech stack below.

Wix

Content Management System

WordPress

Content Management System

Webpack

Development

Wix eCommerce

E-commerce

Google Workspace

Google Cloud

Infrastructure As A Service

Sentry

Issue Trackers

WordPress.com

Platform As A Service

Frequently Asked Questions

What is Tellefsen and Company, L.L.C's phone number?

You can contact Tellefsen and Company, L.L.C's main corporate office by phone at

+1-212-809-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Tellefsen and Company, L.L.C's official website and social media links?

Tellefsen and Company, L.L.C's official website is tellefsen.com and has social profiles on LinkedIn.

How much revenue does Tellefsen and Company, L.L.C generate?

As of September 2026, Tellefsen and Company, L.L.C's annual revenue is estimated to be <$1M.

What is Tellefsen and Company, L.L.C's SIC code and NAICS code?

Tellefsen and Company, L.L.C's SIC code is 7389 - Business Services, Not Elsewhere Classified and NAICS code is 523 - Securities, Commodity Contracts, and Other Financial Investments and Related Activities.

How many employees does Tellefsen and Company, L.L.C have currently?

As of September 2026, Tellefsen and Company, L.L.C has approximately 2 employees across 1 continents, including North America. Key team members include Senior Managing Director: C. C. and Associate: R. S. Explore Tellefsen and Company, L.L.C's employee directory with LeadIQ.

What industry does Tellefsen and Company, L.L.C belong to?

Tellefsen and Company, L.L.C operates in the Capital Markets industry.

What technology does Tellefsen and Company, L.L.C use?

Tellefsen and Company, L.L.C's tech stack includes Wix, WordPress, Webpack, Wix eCommerce, Google Workspace, Google Cloud, Sentry and WordPress.com.

When was Tellefsen and Company, L.L.C founded?

Tellefsen and Company, L.L.C was founded in 1984.

Tellefsen and Company, L.L.C

Q: How many employees does Tellefsen and Company, L.L.C have currently?

Tellefsen and Company, L.L.C has approximately 2 employees.

Q: What industry does Tellefsen and Company, L.L.C belong to?

Tellefsen and Company, L.L.C operates in the Capital Markets industry.

Q: What technology does Tellefsen and Company, L.L.C use?

Tellefsen and Company, L.L.C's tech stack includes Webpack, Wix, Nginx, RequireJS, Onsen UI.

Q: When was Tellefsen and Company, L.L.C founded?

Tellefsen and Company, L.L.C was founded in 1984.

Q: What is Tellefsen and Company, L.L.C's NAICS code?

Tellefsen and Company, L.L.C's NAICS code is 523 (Securities, Commodity Contracts, and Other Financial Investments and Related Activities).

Capital MarketsMassachusetts, United States2-10 Employees

Tellefsen and Company, L.L.C is a boutique management consulting firm focused exclusively on the capital markets and derivatives sectors. Based in Northborough, Massachusetts, the firm has specialized for decades in serving financial services clients, providing deep knowledge of the trading lifecycle, technology adaptation, and regulatory considerations to help firms navigate changing, highly regulated environments. Its client base spans investment managers, hedge funds, exchanges, inter-dealer brokers, swap execution facilities, automated trading systems, and technology service providers, with a focus on delivering timely, cost-effective results that support risk management and strategic decision-making.

Positioned within the capital markets industry, the firm emphasizes its narrow scope as a differentiator, aiming to offer industry insight and confidence to clients as they manage costs and respond to evolving market demands. Though small in size, it concentrates on the needs of organizations operating across multiple market segments, delivering advisory services intended to align operations with regulatory requirements while fostering practical, innovative solutions.

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