Best SEO Agencies for Fashion Brands (2026)

Re:signal is a London ecommerce SEO specialist, and Clutch lists 80% of its work in ecommerce and retail. Clients include ASICS, Under Armour, FatFace, VivoBarefoot and N Brown. It reports a 96% organic revenue lift for FatFace and 2.76 million pounds in sales for VivoBarefoot, and claims 91 Search Awards wins. That mix of apparel clients and quantified retail outcomes is hard to find in this pool.

Modo25 is a Leeds agency that pairs SEO with paid media and lists fashion and footwear alongside beauty and sport. Named retail clients include Castore, Cult Beauty, Jones Bootmaker, Sigma Sports and The Fragrance Shop. It is a Google Premier Partner and uses its own ASK BOSCO platform for forecasting and budget planning, which helps teams that must defend seasonal spend.

UltraGrowthMedia builds SEO for how search works in 2026: SEO, content and programmatic SEO, plus GEO work on entities, schema and citation building so the same pages get cited in ChatGPT, Perplexity and Google AI Overviews. Cold email and LinkedIn outbound run in the same team, which gives startups pipeline while rankings build. Founded in 2022 by Tushar Dey, the 27-person remote team works in weekly sprints, clients talk directly to the practitioners doing the work, and progress shows up on live reporting dashboards. Retainers start at $3,500 a month.

Optimising has done only SEO since 2008 from Richmond in Melbourne, and lists retail and fashion among its sectors, with adidas as a named client. It is recognised for migration and enterprise ecommerce work, holds B Corp certification and shows a perfect Google rating across roughly 60 reviews. That suits a brand replatforming or restructuring a large product range. It is based in Australia, so UK and US brands work with it remotely.

Calibre9 is a Melbourne SEO-only agency that covers ecommerce SEO plus Google Shopping and Merchant Center optimisation, a useful pairing for fashion catalogues. It lists retail and fashion among its sectors, names Mizuno as a client, and holds around 152 Google reviews averaging 4.9. An APAC Search Awards win for Ghanda is cited on third-party lists. Brands outside Australia would work with it remotely.

Go Up is a London SEO and link-building agency with a strong digital PR arm, and fashion is the first sector it lists. Named clients include Hackett London, Pasta Evangelists and Gay Times. Its Lawhive campaign was shortlisted for Best Use of PR in a Search Campaign at the UK Search Awards 2025, and it holds a 4.9 Clutch rating from seven reviews with a $1,000 minimum.

Red Cow Media is a Manchester SEO-first agency, working since 2013, whose listed sectors begin with fashion ecommerce and fitness apparel. Named clients include boohoo and Gymshark, two of the best-known UK online fashion names. Paid search is led by a former Google employee, per the agency, and SEO services cover local, international and migration work. It is a Google Partner with a 4.6 rating from 27 reviews.

Impressive Digital is a Melbourne performance agency of 51 to 200 staff that lists fashion and retail first. Named clients include Nine West, Lorna Jane, MAAP, Modibodi and Kogan. Fees can be linked to agreed targets such as revenue or CPA on rolling terms, and it reports Google Premier Partner status and APAC Search Awards wins from 2022 to 2025. Its 4.8 rating comes from 138 reviews.

Clickslice is a Shoreditch ecommerce SEO and Google Ads shop that lists fashion among its sectors, alongside furniture and consumer electronics. It bills month to month with no six or twelve-month lock-in, which suits labels testing SEO. Clients named include Udemy, Humax, Plumbworld and Honeypot Furniture, and Clutch shows a 5.0 rating with reviewers citing honest communication and a 243% rise in page visits.

Believe Digital is a Bristol boutique that lists ecommerce and fashion retail first and publishes a price list with rolling one-month contracts. It combines SEO, GEO, paid media and in-house web development, handy for tracking-heavy shops. Clients named include Revlon, Duck and Dry and RD1 Clothing, and Clutch shows a perfect 5.0 across seven reviews with a $1,000 minimum.

Kaizen is a London digital PR and SEO shop whose retail and fashion work includes adidas and Reebok, plus LEGO, TUI and Moonpig. It was an early mover on AI search, publishing a case study on LLM traffic growth, and regularly publishes research on TikTok SEO and zero-click search. Its Preply work was a finalist for Travel Content Campaign of the Year at the UK Content Awards 2024.

NeoAttack is a Madrid performance agency of 51 to 200 staff that lists jewellery and fashion among its sectors. It reports a jewellery ecommerce case study with revenue up 72% year on year, holds Google Partner Premier 2026 status, and appears in Marketing4Ecommerce lists of top SEO agencies in Spain. Its $5,000 minimum and $25 to $49 hourly band are modest for its size.

Croud is a London independent agency of 501 to 1,000 people that lists retail and fashion first, with clients including Timberland, Vans and The North Face. It was named Campaign Global Independent Media Agency of the Year 2025 and publishes detailed results such as 35% higher ROAS for MPB. It covers 118 markets through its Croudie expert network, which suits multi-country apparel brands.