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DirJournal Editorial Verdict

Timmermann Group has cleared DirJournal's 12-point manual editorial audit and is verified as an active SEO Agencies entity. Last reviewed August 25, 2026.

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Editorial Verification

Full Audit Transparency Report

Last Reviewed: August 25, 2026
  • 200 OK StatusVerified

    Primary website is live, secure (HTTPS), and free of malware.

  • Domain AgeVerified

    Real-world domain age (≥1 yr, verified via the Wayback Machine) OR pre-migration legacy ID OR ≥2 years of platform tenure. Survival across multiple search-engine update cycles is itself a trust signal.

  • Schema ValidationVerified

    Valid Organization / ProfessionalService JSON-LD emitted on every page load — checked at render time.

  • Citation ClarityVerified

    Verified outbound links to at least two authoritative sources (social profiles, sameAs URLs).

  • Operational HistoryVerified

    Minimum 12-month active history in the claimed industry — derived from the business's founding year, Wayback-verified domain age, or listing tenure (any one signal passes).

  • Entity RegistrationPending Manual Review

    Cross-referenced with official state or country business registries.

  • Physical FootprintPending Manual Review

    Verified non-virtual presence via Google Maps or official lease documentation.

  • Active LeadershipVerified

    Confirmation of key team members and executive roles.

  • NAP ConsistencyPending Manual Review

    Verified match of Name, Address, and Phone data across platforms.

  • Professional LicensingPending Manual Review

    Verification of required industry-specific certifications or licenses.

  • Sentiment AuditPending Manual Review

    Manual review of third-party reputation signals (BBB, Trustpilot, etc.).

  • Editorial DiscretionPending Manual Review

    Final human review to ensure the business provides genuine value.

About

Timmermann Group

Timmermann Group is a St. Louis digital marketing agency founded in 2003 by Rob Timmermann, who currently serves as CEO. The company began as a website shop and has developed into an agency focused on organic search, paid media and conversion-oriented website work. Its current services include search engine optimization, generative engine optimization, local search optimization, paid search advertising, social media marketing, WordPress website design, website maintenance, conversion rate optimization and analytics. Timmermann Group says campaign strategy starts with business outcomes and qualified demand rather than rankings or traffic alone. The agency handles marketing work through an in-house team and uses its marketing flywheel framework to connect acquisition and conversion activities. Current leadership also includes Shawn Baldwin as Director of Operations, Caitlin Oppland as Director of Project Management and Danyal Timmermann as Director of Internal Support. More than two decades of documented operation support the company's continuing presence in the St. Louis market.

Timmermann Group is a full-service digital marketing agency headquartered in St. Louis, Missouri, founded in 2003 by Rob Timmermann, who serves as founder and CEO. With more than two decades of experience, the agency helps companies create conversions through compelling creative, offering search engine optimization, pay-per-click advertising, social media marketing, website design, website maintenance and hosting, UX/UI design, local search optimization, branding, email marketing and content marketing services. Timmermann Group was named a 2024 Inc. 5000 honoree, reflecting its sustained revenue growth. Rob Timmermann has been described by colleagues as a thought leader in and true practitioner of search engine optimization, earning recognition for his hands-on approach to helping businesses that struggle to rank on the first page of Google. The agency positions itself as delivering conversions, not diversions, emphasizing strategy, transparency and measurable results in every client engagement. Timmermann Group aims to become a true growth partner for its clients rather than simply a vendor delivering marketing services, bringing together creative execution with data-driven decision-making. The agency operates from a Locust Street office in St. Louis.

DirJournal's Perspective · Human-in-the-Loop

Editorial analysis

Twenty years of continuous operation in a crowded digital marketing space distinguishes Timmermann Group's survival through multiple algorithm shifts and market consolidations.

Reviewed by DirJournal Editorial Board

Frequently Asked

About Timmermann Group

What does Timmermann Group do?
Timmermann Group is a St. Louis digital marketing agency founded in 2003 by Rob Timmermann, who currently serves as CEO. The company began as a website shop and has developed into an agency focused on organic search, paid media and conversion-oriented website work.
Where is Timmermann Group based?
Timmermann Group is based in St. Louis, Missouri, United States.
When was Timmermann Group founded?
Timmermann Group was founded in 2003 and has been operating for 23 years.
How can I contact Timmermann Group?
Contact Timmermann Group by phone at (314) 588-1735.
Technical Grounding
JSON-LDProfessionalService
Address
3001 Locust St, Floor 2, St. Louis, MO 63103
Location
St. Louis, Missouri, United States
Founded
2003
Team Size
11-50 employees
Digital Footprint · Technical Entity Graph
  • Website
  • Schema Type
    ProfessionalService
  • JSON-LD
    Active
  • NAP Vault ID
    Not assigned
  • Social Profiles
    2 verified profiles
  • Platform Tenure
    New listing
View Technical Schema
@type
ProfessionalService
areaServed
United States

Knows About

SEOPPC AdvertisingConversion-Focused Creative

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