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Shopify Development Services

Shopify Theme Customisation

Already on a Shopify theme but need it to look and work differently? We extend existing themes with custom sections, layout changes, and new functionality without a full rebuild.

Trusted by founders & teams across the US, UK & UAE

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Overview

What Shopify Theme Customisation involves

When your existing Shopify theme is structurally sound but needs specific changes — a new promotional section, a redesigned product page layout, brand colour and typography updates, or a feature the theme does not include — customisation is faster and more cost-effective than rebuilding from scratch.

We work in Liquid directly, extending the theme with new sections, template overrides, and JavaScript where needed. A performance review is included to check whether the customisation adds load time, and any issues are addressed before delivery.

What you get

  • Custom section development
  • Layout & colour changes
  • Feature additions in Liquid
  • Performance review included
150+
Themes Modified
3-7d
Typical Turnaround
8+
Years Exp.
100%
Editor Controls

Build stack

Shopify LiquidSection SchemaTheme EditorSCSS / CSS3Vanilla JSGitPageSpeed TestShopify CLI

Get started

Tell us what you need built. We will review the scope and suggest the cleanest WordPress path.

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Why it matters

What a strong Shopify Theme Customisation delivers

01

Faster than a full rebuild

When the core structure of your theme works, targeted customisation achieves your specific changes in days rather than weeks.

02

New sections with editor controls

Custom sections we add appear in the Shopify editor with properly labelled controls — no hardcoding, your team can update content without developer help.

03

Performance checked after every change

Customisations are reviewed for PageSpeed impact. If a change adds load time, we address it before delivering.

How we do it

Our Shopify Theme Customisation process

01
Step 1

Scope review

We examine your current theme and document exactly what needs to change before quoting or starting work.

02
Step 2

Development

Liquid sections, template overrides, and JavaScript developed. Editor controls added for any content-managed areas.

03
Step 3

Testing

Cross-browser tested on desktop and real mobile devices. Performance checked before delivery.

04
Step 4

Delivery

Changes pushed to your store with a summary of what was added and how to manage it in the editor.

Fit check

Is Shopify Theme Customisation right for you?

Use this section to decide whether a custom build is the right investment now, or whether a lighter update would be enough.

Best fit when

Your website needs to support growth, search visibility, clean editing, and a distinct brand experience.

Book a Free Consultation
Who it's for

Strong-fit situations

Each card describes a practical use case, not just a keyword variation. That keeps the page helpful and index-worthy.

  • Fit 01

    Stores on a Shopify theme that works structurally but needs visual changes

    Targeted customisation achieves specific visual and functional changes in days rather than the weeks of a full rebuild.

  • Fit 02

    Brands that rebranded and need their Shopify store to reflect it

    Colour changes, typography updates, and logo adjustments can be applied to your existing theme without starting over.

  • Fit 03

    Stores adding a promotional section, banner, or announcement bar

    Custom Shopify sections with editor controls let your team manage promotional content without developer involvement.

  • Fit 04

    Businesses that need a specific layout on their product or collection pages

    Template overrides for specific product types or collection pages give you the layout you need without affecting the rest of the store.

  • Fit 05

    Merchants who want custom sections from their Figma designs added to their theme

    We build the designed sections in Liquid with proper schema controls and add them to your existing theme cleanly.

Get started today

Ready to get started with Shopify Theme Customisation?

Book a free 30-minute consultation. We will review your current situation and give you an honest assessment of what this service will do for your business.

FAQ

Questions about Shopify Theme Customisation

Can you add a custom section to any Shopify theme?

Yes. Custom sections are added via the theme's sections directory and registered with a schema block so they appear in the Shopify editor with properly labelled controls. This approach works with any Shopify theme regardless of who built the original.

Will theme customisations survive when the theme updates?

Changes made directly to theme files can be overwritten when the theme updates. We document every change we make and recommend working on a duplicate of the theme file so the customised version is always preserved. We also advise on which changes are most at risk from a theme update.

How long does Shopify theme customisation take?

A focused change like a new section, a product page layout update, or a colour and typography refresh takes 3 to 7 days. Larger customisations covering multiple templates or new functionality take 1 to 3 weeks. We scope each project before starting.

Can you customise a theme I bought from the Shopify theme store?

Yes. We regularly customise themes from the Shopify theme store. The approach is the same regardless of the theme origin: we assess the existing code, identify the cleanest implementation path for your changes, and deliver the customisation with documentation.

Testimonials

What Our Clients Say

Real results, real words, from founders and teams we've partnered with across the US, UK, and UAE.

"Habib is an excellent, hard working and proactive developer. He is in charge of our public web and I have to say we are very happy both with the quality and speed of any work we ask him for. Communication with him is also very fluid. In summary, a great professional and great person. Recommended Websloop Agency!"

Luis Peiró Sancho-Sopranis, Founder & CEO at Invoicy, client review

Luis Peiró Sancho-Sopranis

Founder & CEO at Invoicy

"I highly recommend Habib as a web developer. He consistently demonstrates exceptional attention to detail, ensuring high-quality work in every project. His communication skills are outstanding, allowing him to collaborate seamlessly with both team members and clients. Habib's dedication, technical expertise, and professional approach make him a valuable contributor to any development project."

Darren Wong, Digital Marketing Specialist & SEO Expert, client review

Darren Wong

Digital Marketing Specialist & SEO Expert

"Habib is a great front-end developer. He works fast and is very creative. I highly recommend working with The Websloop Digital Agency."

Carlos Blommé de Lope, Growth at Aimo X, client review

Carlos Blommé de Lope

Growth at Aimo X

"Work with Habib is always a pleasure. He is a really hard worker, quite creative and professional. Do not doubt to count on him if you need something special for your web."

Víctor Delgado Hernández, Campaign Manager, Cegid SMB, client review

Víctor Delgado Hernández

Campaign Manager, Cegid SMB

"Great developer. I strongly recommend Habib. He's really good with communicating and delivering fast. I feel comfortable and at ease knowing it's Habib working on my pages. Once again I recommend Habib."

Erik Wennberg, Filmmaker & Swedish Ski Record Holder, client review

Erik Wennberg

Filmmaker & Swedish Ski Record Holder

"Websloop has helped me develop landing pages for me and for people in my network. I can recommend Websloop for web development."

Vincent Holmén, Sales Consultant, client review

Vincent Holmén

Sales Consultant

Get in touch

Discuss Your Project

Tell us about your project and we'll respond within 24 hours. No pressure, just honest advice.