Insights

Growth opportunities Zelst operates in digital growth marketing with a broad service range including SEO, paid media, content and email marketing. Potential upsell opportunities exist in expanding cross-channel strategies, advanced attribution, and ongoing optimization services for clients seeking measurable growth.

Tech stack leverage Utilize Zelst’s use of HubSpot Content Hub, Snowflake, MongoDB and Moz to position as a partner for clients seeking scalable marketing operations, data-driven insights, and integrated content management. Offer data-backed proposals that highlight operational efficiency and measurable ROAS.

SMB to mid-market fit With 11-50 employees and revenue in the lower to mid-market range, Zelst could be a strong ally for growing brands that need a flexible, transparent agency partner. Propose packaged retainer solutions designed for small to mid-sized businesses aiming for steady digital growth.

Competitive landscape The recent news mentions competitors in link-in-bio and social tech platforms. Position Zelst as a stable, full-service growth partner rather than a point tool, offering end-to-end campaigns that connect content strategy with paid and organic visibility to outperform niche competitors.

Expansion readiness Zelst highlights a comprehensive service suite and a transparent ownership approach. Target expansion opportunities in onboarding larger clients or agencies seeking white-label capabilities, leveraging the existing tech stack and reporting capabilities to scale quickly.

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Zelst Tech Stack

Zelst uses 8 technology products and services including Hotjar, HubSpot Analytics, Microsoft Clarity, and more. Explore Zelst's tech stack below.

Zelst's Email Address Formats

Zelst uses at least 4 email formats:
Zelst Email FormatsExamplePercentage
First@zelst.co.ukJohn@zelst.co.uk
71%
FLast@zelst.co.ukJDoe@zelst.co.uk
17%
FMiddleLast@zelst.co.ukJMichaelDoe@zelst.co.uk
6%
First.Last@zelst.co.ukJohn.Doe@zelst.co.uk
6%

Frequently Asked Questions

What is Zelst's phone number?

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You can contact Zelst'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 Zelst's official website and social media links?

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Zelst's official website is zelst.co.uk and has social profiles on LinkedIn.

How much revenue does Zelst generate?

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As of October 2026, Zelst's annual revenue is estimated to be $1M - $10M.

What is Zelst's SIC code and NAICS code?

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Zelst's SIC code is 8742 - Management Consulting Services and NAICS code is 541613 - Marketing Consulting Services.

How many employees does Zelst have currently?

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As of October 2026, Zelst has approximately 18 employees across 1 continents, including Europe. Key team members include Chief Executive Officer: P. V. Z., Ceo: S. G. and Ceo: W. J. Explore Zelst's employee directory with LeadIQ.

What industry does Zelst belong to?

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Zelst operates in the Advertising Services industry.

What technology does Zelst use?

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Zelst's tech stack includes Hotjar, HubSpot Analytics, Microsoft Clarity, WordPress, Cookiebot, Shopify, SEMrush and Screaming Frog SEO Spider.

What is Zelst's email format?

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Zelst's email format typically follows the pattern of First@zelst.co.uk. Find more Zelst email formats with LeadIQ.

When was Zelst founded?

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Zelst was founded in 2006.
Zelst logo

Zelst

Advertising ServicesEngland, United Kingdom11-50 Employees

Zelst is a digital marketing agency based in Harrogate, England, offering a range of inbound marketing services designed to improve online visibility and lead generation for its clients. The firm emphasizes understanding a business, its people, and its customers to craft objective-led strategies that aim to deliver measurable results across areas such as SEO, paid media, content creation, email marketing, social media development, link building, reporting, and website audits. Its approach centers on clarity and accountability, seeking to place brands in the right digital contexts and to produce tangible visibility, leads, and customers when marketing efforts are effective. The company positions itself within the advertising services industry as a provider of tailored, growth-focused solutions rather than a one-size-fits-all vendor, serving clients of varying sizes with a pragmatic, ownership-driven mindset. Zelst operates from Harrogate, with a scalable team structure that enables a broad range of inbound marketing capabilities.

Section iconCompany Overview

Phone number
SIC Code
8742 - Management Consulting Services
NAICS Code
541613 - Marketing Consulting Services
Founded
2006
Employees
11-50

Section iconFunding & Financials

  • $1M - $10M

    Zelst's revenue is estimated to be in the range of $1M - $10M

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