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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement consultantAllschwilPlan26 GmbH
Plan26 GmbH Logo
Verified· 5 sourcesOwner confirmed
Last updatedNovember 6, 2026

Contact

Summary

About the company

Zündstoff Marketing is a privately owned marketing and technology consulting firm of Plan26 GmbH from Allschwil near Basel, combining computer science knowledge with strategic marketing and advising Swiss SMEs in SEO, GEO and AI visibility, AI consulting as well as marketing automation. Zündstoff Marketing is a brand of Plan26 GmbH and not an independent company. Founder and managing director is Francisco Montemari. How we work: consulting first, implementation on request. Zündstoff Marketing advises in the Basel region and throughout Switzerland. Not a full-service advertising agency, not a graphic or printing studio, and not to be confused with Agentur Zündstoff (agentur-zuendstoff.de).

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Plan26 GmbH

Zündstoff Marketing Logo

Zündstoff Marketing

Brand of the company

Zündstoff Marketing is an owner-managed marketing and technology consulting firm of Plan26 GmbH from Allschwil near Basel, which combines IT knowledge with strategic marketing and advises Swiss SMEs in SEO, GEO and AI visibility, AI consulting as well as marketing automation. Zündstoff Marketing is a brand of Plan26 GmbH and not a separate company. Founder and managing director is Francisco Montemari. The working method: consulting first, implementation on request. Zündstoff Marketing advises in the Basel region and across Switzerland. Not a full-service advertising agency, not a graphic or printing studio and not to be confused with Agentur Zündstoff (agentur-zuendstoff.de).

zuendstoff-marketing.chView profile
Offering

Products & services

Industry:Management consultantIT service provider
✓ Offered4
GEO and AI Visibility
Advice and optimization of the technical, content-related and semantic prerequisites for visibility in AI response systems such as ChatGPT, Perplexity and Google AI Overviews. A specific mention cannot be guaranteed.
SEO
Technical and content search engine optimization for Swiss SMEs.
AI Consulting
AI location assessment, tool selection and training for Swiss SMEs. If internal capacity is lacking, we accompany or take over a clearly defined implementation.
Marketing automation
Automation of recurring marketing and business processes, rule-based or with AI steps where they make sense.
✕ Not offered2
Full-Service Advertising Agency
Graphic and Printing Studio
Expertise

Expert

Francisco Montemari
Francisco Montemari
Founder of Zündstoff Marketing - Managing Director of Plan26 GmbH

Francisco Montemari is founder of Zündstoff Marketing, Diploma in Marketing Management HF and System Engineer, and advises Swiss SMEs on SEO, GEO and AI visibility, AI consulting as well as marketing automation.

Qualifications & certifications
Develop AI Apps and Agents on Azure2026
KI-Professional (Business)2026
KI-Manager2025
Dipl. Marketingmanager HF2024
Geprüfter Suchmaschinenoptimierer2019
Zertifizierung für AdWords-Suchmaschinenwerbung2019
eCommerce Business Manager2016
Microsoft Certified Technology Specialist (MCTS)2011
Informatiker mit eidgenössischem Fachausweis2010
Trust & reputation

ranQ Trust Score of Plan26 GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Website authority

Data basis 54% · As of November 2026

Plan26 GmbH has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Plan26 GmbH scores 77.2 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.86.512%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Plan26 GmbH scores 98.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).98.322%
Plan26 GmbH scores 0.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Website authority. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Press

Media

May 5, 2026
Francisco Montemari erklärt: Auf diese Weise sorgst du dafür, dass die KI deine Marke zitiert
marketing.ch
January 13, 2026
Francisco Montemari erklärt: So wird dein Content zur bevorzugten KI-Quelle dank Schema-Markup
marketing.ch
January 8, 2026
Was ist Vibe Marketing?
omt.de
November 18, 2025
Prompt Engineering für GEO (Generative Engine Optimization): So werden Inhalte zur bevorzugten KI-Quelle
afs-akademie.org
November 11, 2025
Exklusiv für Geschäftsführer – wie du deine Präsenz in KI-Systemen mit Generative Engine Optimization sicherst
afs-akademie.org
April 7, 2025
Strategisches Marketing: Positionierung von Unternehmen in 5 Schritten
afs-akademie.org
Knowledge

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Contact

Location

Lettenweg 118
4123 Allschwil
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-230.157.156
Founded
2016 · 10 years
Last commercial register change
May 15, 2023
Employees
1 to 10

Active throughout Switzerland

Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology