The Fifth Mark

fifthmark.com

London, England, United Kingdom

1-10 employees

LinkedIn Profile

About The Fifth Mark

data, challenger brands, online marketing, user insight, scaleups, digital marketing strategy, growth strategy, digital marketing, growth marketing, startups, growth, fractional cmo, data science, digital strategy, marketing services, growth system management, growth experiments, growth consulting, growth system blueprinting, growth system planning

The Fifth Mark's Tech Stack

Decision Makers at The Fifth Mark

1 contact

Sian Allmark

Chief Growth Officer & Founder

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8 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

Shopify powers e-commerce operations of all sizes. This company is likely receptive to checkout optimization, abandoned cart solutions, loyalty platforms, and merchant financing.

The Fifth Mark's Position in the StackWho Database

• The Fifth Mark is 1 of 80,546 marketing & advertising companies tracked in StackWho.
• 80,503 marketing & advertising companies in our database have verified decision-maker emails (100% of the cohort).
• 47,721 companies in England are in the StackWho database.
• 56,565 marketing & advertising companies are in the 1-10 employee range (same size as The Fifth Mark).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does The Fifth Mark use?

The Fifth Mark uses Google Tag Manager, Mobile Friendly, Facebook Widget, Facebook Custom Audiences, Shopify, Intercom, and 2 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at The Fifth Mark?

StackWho has verified email addresses for 1 decision maker at The Fifth Mark. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach The Fifth Mark directly for sales, recruiting, or partnerships.

What industry is The Fifth Mark in?

The Fifth Mark operates in the marketing & advertising industry, headquartered in London, England, United Kingdom. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export The Fifth Mark's contact data?

Yes. StackWho Pro members can export decision maker contact data for The Fifth Mark and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.