Insights

Strategic expansion Leff has been expanding its leadership team recently, hiring a new VP of content marketing, which signals a focus on strengthening content strategy and governance to support growth opportunities with clients.

Content marketing focus As a content marketing specialist with services like strategy studios and benchmarking analytics, Leff offers a full suite to help brands build assets, reputations, and relationships—a compelling pitch for clients seeking measurable content programs.

Mid-market positioning With an estimated revenue range of 25-50M and a headcount in the 11-50 range, Leff sits in a mid-market niche that often seeks scalable, integrated content solutions from marketing agencies.

Tech-enabled delivery Utilizing tools such as Google Fonts API, Cloudflare, Mailgun, and analytics plugins indicates a modern, efficiency-driven production workflow that can be highlighted to prospects prioritizing speed-to-market and performance.

Industry alignment Operating in marketing services with a history of launching strategy studios and benchmarking solutions positions Leff to target brands in consumer lifestyle and apparel sectors, aligning with similar firms in peer space.

LEFF Tech Stack

LEFF uses 8 technology products and services including DoubleClick Floodlight, Amazon S3, Cloudflare, and more. Explore LEFF's tech stack below.

  • DoubleClick Floodlight
    Advertising
  • Amazon S3
    Content Delivery Network
  • Cloudflare
    Content Management System
  • Mailgun
    Email
  • Google Fonts API
    Font Scripts
  • Ionicons
    Web Fonts
  • MonsterInsights
    Web Platform Extensions
  • Autoptimize
    Web Platform Extensions

LEFF's Email Address Formats

LEFF uses at least 1 format(s):
LEFF Email FormatsExamplePercentage
First.Last@leffcommunications.comJohn.Doe@leffcommunications.com
96%
First.Middle@leffcommunications.comJohn.Michael@leffcommunications.com
4%

Frequently Asked Questions

What is LEFF's phone number?

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You can contact LEFF's main corporate office by phone at . 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 LEFF's stock symbol?

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LEFF is a publicly traded company; the company's stock symbol is XLEFF.

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

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LEFF's official website is leffcommunications.com and has social profiles on LinkedIn.

How much revenue does LEFF generate?

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As of July 2026, LEFF's annual revenue is estimated to be $25M - $50M.

What is LEFF's SIC code NAICS code?

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LEFF's SIC code is 7299 - Miscellaneous Personal Services, Not Elsewhere Classified NAICS code is 5418 - Advertising, Public Relations, and Related Services.

How many employees does LEFF have currently?

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As of July 2026, LEFF has approximately 33 employees across 2 continents, including North AmericaEurope. Key team members include President: A. K.Project Manager: W. C.Project Manager: W. S.. Explore LEFF's employee directory with LeadIQ.

What industry does LEFF belong to?

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LEFF operates in the Marketing Services industry.

What technology does LEFF use?

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LEFF's tech stack includes DoubleClick FloodlightAmazon S3CloudflareMailgunGoogle Fonts APIIoniconsMonsterInsightsAutoptimize.

What is LEFF's email format?

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LEFF's email format typically follows the pattern of First.Last@leffcommunications.com. Find more LEFF email formats with LeadIQ.

When was LEFF founded?

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LEFF was founded in 2010.
LEFF logo

LEFF

Marketing ServicesIllinois, United States11-50 Employees

Leff is a marketing services company that focuses on content, combining problem-solving with creativity to translate client stories, expertise, and research into usable assets. It works with business leaders, subject matter experts, and marketing professionals to turn ideas into strategic materials that support brand-building, reputations, and relationship development. By focusing on coherent concepts rather than fragmented data, the firm aims to create assets that can drive business outcomes. Based in Chicago, Illinois, Leff operates within the marketing services industry and positions itself around content strategy and related services. Over the years its offering set has broadened, including the introduction of initiatives such as Leff Strategy Studio, and in 2024 it added Karianne Michelle as vice president of content marketing. The company is a midsize team, reflecting its size and scope.

Section iconCompany Overview

Phone number
SIC Code
7299 - Miscellaneous Personal Services, Not Elsewhere Classified
Stock Symbol
XLEFF
NAICS Code
5418 - Advertising, Public Relations, and Related Services
Founded
2010
Employees
11-50

Section iconFunding & Financials

  • $25M - $50M

    LEFF's revenue is estimated to be in the range of $25M - $50M

Section iconFunding & Financials

  • $25M - $50M

    LEFF's revenue is estimated to be in the range of $25M - $50M

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