White Label Dev for SEO Agencies

Technical Development That Backs Up Your SEO Work

Core Web Vitals First

We build with LCP, CLS and INP in mind from day one, not as an afterthought. Clean code and sensible architecture means better scores without patching later.

Fully White Label

Everything is delivered under your agency's brand. We stay invisible so you maintain the client relationship and full credit for the results.

SEO-Friendly Builds

Semantic HTML, proper heading hierarchy, clean URLs and crawlable code: all the technical foundations your SEO work needs to land properly.

Schema and Structured Data

We implement schema markup accurately and according to spec. Whether it's LocalBusiness, FAQ, Product or Article, we get it done without guesswork.

WordPress Specialists

We build performance-optimised WordPress sites that are fast, lean and easy for your SEO team to work with, without unnecessary plugin baggage.

Developer-Led Team

Everyone in our team is a working developer. When you ask a technical question you get a direct, informed answer, not a project manager passing it along.

Get a Quote

Some of our direct clients

QualityHive
Clintons Cards
Marmot Tours
Clive Christian
Pulse
Nucleus Commercial Finance
Squash Skills
Slick Gorilla
QualityHive
Clintons Cards
Marmot Tours
Clive Christian
Pulse
Nucleus Commercial Finance
Squash Skills
Slick Gorilla
Built for SEO Performance

Technical Development That Backs Up Your Rankings

Core Web Vitals, clean semantic HTML, schema markup, and migrations that protect organic traffic. We build the technical foundations your SEO work depends on.

Years supporting SEO agencies
7+
Target load time on new builds
Sub-2s
CWV-first development approach
100%
Schema implementation turnaround
24hr
How We Work With SEO Agencies

Our White Label Development Workflow

Step 1

30 min call

Understanding Your SEO Clients' Technical Needs

We start with a focused conversation about your agency and the technical challenges your SEO clients typically face. This might be slow sites, poor Core Web Vitals scores, missing schema, or clients that need new builds to support a campaign or migration. Understanding your specific situation means we can structure our support around what actually matters for your team.

Step 2

Email or call

Agreeing the Scope and Approach

After the initial call, we put together a clear plan for the project or retainer arrangement. You'll know what we'll deliver, when we'll deliver it, and what the process looks like. Everything is priced transparently so you can mark up our services comfortably and present them to clients under your own rates.

Step 3

Ongoing

Development and Delivery Under Your Brand

With scope agreed, we get to work. You receive regular updates, staging access and clear communication throughout. All deliverables are white label: your branding, your name, your client relationship. We stay in the background while you take the credit for technically strong websites and measurable SEO results.
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Why Zestcode

The Development Partner SEO Agencies Actually Need

We understand that web development for SEO agencies isn't just about building sites. It's about building sites that perform well, crawl cleanly and support the rankings work you're doing. That's how we approach every project.

  • Core Web Vitals Optimisation
  • Schema and Structured Data Implementation
  • WordPress Performance Builds
  • Clean Code for Crawlability
FAQs

White Label Dev for SEO Agencies FAQs

Client Stories

Here's What Our Partners Say

Zestcode really have proven to be “website design & development specialists” whilst maintaining the very best customer service. Not easy to find a well-rounded company like Zest these days that tick all the boxes. 5*

Ben Ryman
Ben Ryman

Head of Marketing, Masterclip

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After working with Zestcode for over 2 years I wouldn’t trust any other web developers. An agency that are committed to getting the project right and going above and beyond expectations.

Alex Robinson
Alex Robinson

Director, Novus Digital

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Harry and his team have just finished producing our new website, his team have done an amazing job producing our website and their continuous communication throughout made the process a lot easier.

Jason Phillips
Jason Phillips

Director, JL Phillips

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Zestcode Digital have just finished my website and I am beyond thrilled with it! I highly recommend their services not only are they professional and proficient but incredibly helpful.

Anna-Maria Thetford
Anna-Maria Thetford

Director, Select Art Galery

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It's an easy and enjoyable process working with Zestcode Digital, highly recommended.

Jake Hughes
Jake Hughes

Director, Whoisvisiting

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Their team is highly responsive, especially in time-sensitive situations, and their ability to deliver reliable solutions quickly has been a huge asset. I wouldn’t hesitate to recommend them to anyone looking for dependable web development support.

Peter Bollons
Peter Bollons

Marketing Manager, Slick Gorilla

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Zestcode really have proven to be “website design & development specialists” whilst maintaining the very best customer service. Not easy to find a well-rounded company like Zest these days that tick all the boxes. 5*

Ben Ryman
Ben Ryman

Head of Marketing, Masterclip

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After working with Zestcode for over 2 years I wouldn’t trust any other web developers. An agency that are committed to getting the project right and going above and beyond expectations.

Alex Robinson
Alex Robinson

Director, Novus Digital

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Harry and his team have just finished producing our new website, his team have done an amazing job producing our website and their continuous communication throughout made the process a lot easier.

Jason Phillips
Jason Phillips

Director, JL Phillips

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Our Team

The People Behind the Code

We're a small but mighty team of developers based in Northamptonshire. Every project is handled by people who genuinely care about the quality of their work.

Harry Robinson

Harry Robinson

Development Director

Harry founded Zestcode in 2019 and leads every development project the team delivers. As the primary point of contact for agency partners, he handles all client communication directly - so you're always speaking to the person who understands your project inside out, not an account manager passing messages down the line.

Riki-Leigh Jones

Riki-Leigh Jones

QA Specialist

With over five years at Zestcode, Riki-Leigh is the last line of defence before anything goes live. She brings a meticulous approach to quality assurance, making sure every build we deliver meets the standard agencies need to confidently present to their clients.

Gcobani Poswa

Gcobani Poswa

Laravel Developer

Gcobani specialises in Laravel and Vue.js, handling the complex backend work that underpins our SaaS platforms, custom portals, and API integrations. His focus is on scalable, well-structured code that holds up long after launch.

Partner with Zestcode for Unrivalled Quality and Reliability

Northamptonshire Based
Full Stack Development Team
Rated 5 stars on Google