Top 7 BigCommerce SEO Agencies in the UK (2025 Edition)
BigCommerce is a powerful choice for scaling online retail, but to truly thrive on the platform, you need more than a well-built storefront. SEO is the engine that fuels visibility, organic traffic, and sales. And with BigCommerce’s technical flexibility comes the need for deep platform-specific knowledge.
This guide breaks down the UK’s best BigCommerce SEO agencies in 2025. These aren’t generalists: they’re specialists with a proven track record of helping brands grow through targeted search optimisation. Whether you’re a startup pushing for first-page rankings or an enterprise brand fine-tuning your technical SEO, the right partner can be a game-changer.
We’ve compared agencies across key areas – performance, transparency, specialisation, and real-world results – so you can find one that fits your goals and budget.
🧾 Comparison Table: BigCommerce SEO Agencies (UK, 2025)
| Agency Name | Location | Services Covered | Industries Served | ⭐ Avg. Rating |
| 1.ClickSlice | London | BigCommerce SEO, GEO, AEO, LLM Optimisation | eCommerce, SaaS, Retail | 4.9/5 |
| 2.Chilliapple | Kent | BigCommerce Dev & SEO, CRO, Design | FMCG, Fashion, Tech | 4.7/5 |
| 3.Genie Crawl | London | BigCommerce SEO, Local SEO, Link Building | B2B, B2C, Lifestyle | 4.6/5 |
| 4.Greenlight Commerce | London | Enterprise SEO, BigCommerce Integration | Large Retail, Multi-brand | 4.5/5 |
| 5.Converted | Lincoln | eCommerce SEO, UX Strategy, PPC | D2C, Niche Retail | 4.5/5 |
| 6.BrandBurp | International | BigCommerce SEO, Mobile SEO, Content | Global eCom Brands | 4.4/5 |
| 7.Polaris | London | BigCommerce SEO, International SEO | Fashion, Health, B2B | 4.4/5 |
🥇 1. ClickSlice
Overview:
ClickSlice is the UK’s premier BigCommerce SEO agency, renowned for implementing advanced strategies like GEO (Generative Engine Optimisation), AEO (Answer Engine Optimisation), and LLM optimisation to get brands ranked across both traditional and AI-powered search platforms.
Specialties / Key Services:
- BigCommerce SEO
- GEO, AEO & LLM Optimisation
- Technical SEO & Site Structure Audits
- PPC & Retargeting
- Conversion Optimisation
Why Choose Them:
- 24/7 live dashboard for performance tracking
- No tie-in contracts – their results do the talking
- Ranks #1 for major UK eCommerce search terms
- Equips your site for Google’s SGE and AI-driven discovery
👉 Get ahead in BigCommerce search: Visit ClickSlice
2. Chilliapple
Overview:
Chilliapple is a hybrid development and SEO agency that offers end-to-end support for BigCommerce stores—from build to search optimisation.
Specialties / Key Services:
- BigCommerce SEO
- eCommerce Development
- UX Design & Speed Optimisation
- CRO
Why Choose Them:
- Excellent for full-site builds + SEO
- Flexible support for scaling stores
- Strong design/dev integration for performance
🔗 Visit Chilliapple (rel=”nofollow”)
3. Genie Crawl
Overview:
Genie Crawl is a small, agile digital agency offering focused BigCommerce SEO strategies tailored to growing online retailers.
Specialties / Key Services:
- BigCommerce SEO
- Local SEO
- Link Building
- Content Optimisation
Why Choose Them:
- Fast turnaround and flexible plans
- Suitable for lifestyle and mid-tier brands
- Transparent process and fixed pricing
🔗 Visit Genie Crawl (rel=”nofollow”)
4. Greenlight Commerce
Overview:
Greenlight Commerce works with larger brands needing enterprise-grade SEO and custom integrations on BigCommerce.
Specialties / Key Services:
- BigCommerce SEO
- Tech Integrations
- CRO & UX Strategy
- Performance Reporting
Why Choose Them:
- Ideal for multi-brand retailers and enterprise clients
- Deep experience with BigCommerce’s API and scaling architecture
- Data-heavy approach to SEO and UX
🔗 Visit Greenlight Commerce (rel=”nofollow”)
5. Converted
Overview:
Converted blends SEO, PPC, and UX to optimise conversion-focused eCommerce stores on BigCommerce and other platforms.
Specialties / Key Services:
- BigCommerce SEO
- Conversion Rate Optimisation
- UX Analysis & Split Testing
- Google Ads
Why Choose Them:
- Data-led growth strategies
- Strong focus on customer journey
- Helpful for performance-oriented stores
🔗 Visit Converted (rel=”nofollow”)
6. BrandBurp
Overview:
BrandBurp is a global digital marketing agency offering BigCommerce SEO alongside app optimisation and international growth services.
Specialties / Key Services:
- BigCommerce SEO
- Mobile & Voice Search Optimisation
- International SEO
- Performance Marketing
Why Choose Them:
- Great for international eCommerce stores
- Offers mobile-first and app-focused strategies
- Broad service range under one roof
🔗 Visit BrandBurp (rel=”nofollow”)
7. Polaris
Overview:
Polaris delivers SEO for BigCommerce with a focus on technical audits, international search, and long-form content strategy.
Specialties / Key Services:
- BigCommerce SEO
- Technical Audits
- Multilingual SEO
- Content & Category Optimisation
Why Choose Them:
- Works well with complex category structures
- Experience in international eCommerce
- Clear deliverables with monthly tracking
🔗 Visit Polaris (rel=”nofollow”)
🔍 What to Prioritise When Choosing a BigCommerce SEO Partner
- Platform Familiarity: BigCommerce has its own quirks—look for agencies with hands-on experience.
- Scalability: Your agency should scale with your product range and audience.
- Generative Search Readiness: ClickSlice leads here with their GEO and AEO offerings, built for tools like Google SGE and ChatGPT.
- Transparent Tracking: You should be able to monitor rankings, traffic, and revenue impact clearly and consistently.
- Performance-Driven Tactics: Avoid fluff—focus on CRO, speed, and indexed visibility.
❓FAQ (with Schema Markup)
Is BigCommerce SEO different from Shopify or WooCommerce?
Yes. BigCommerce has its own URL structure, built-in features, and performance quirks that require tailored SEO approaches.
Do I need a specialist agency for BigCommerce SEO?
Ideally, yes. Generic SEO doesn’t cut it when you’re trying to rank thousands of product or category pages with technical limitations.
What is GEO, AEO, and LLM Optimisation?
These are emerging SEO methodologies:
- GEO: Optimising for generative search engines (Google SGE, AI bots)
- AEO: Structuring content for answer-rich results
- LLM Optimisation: Tailoring content to large language models like ChatGPT
How much does BigCommerce SEO cost in the UK?
Agency retainers typically start from £800/month for basic services, up to £3K+ for advanced enterprise work.
