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Choosing an ecommerce content marketing agency: a working guide from one that’s been doing it since 2013

There is a very specific moment, somewhere between scaling past a thousand SKUs and watching your category pages slip out of the top ten on Google, when an ecommerce brand realises it needs an ecommerce content marketing agency rather than just another freelancer. The work has become too large, too multi-format, and too tied to revenue to keep treating content as a one-off line item.

This guide is written for that moment. It explains what an ecommerce content marketing agency actually does, what to look for when hiring one, and what good work looks like across each of the formats — product descriptions, category pages, ecommerce blogs, and buying guides. Fellocraft has been writing ecommerce content since 2013, with over a million product description pages delivered for India’s largest retailers, marketplaces, and D2C brands across thirteen-plus verticals. Most of the examples here are drawn from that work.

What an ecommerce content marketing agency actually does

An ecommerce content marketing agency is built around a different brief from a generic content agency. Where a generic content agency writes thought leadership and blogs, an ecommerce content marketing agency writes everything that lives on a store: product descriptions at SKU scale, category page content tuned for buyer-intent search, ecommerce blogs that build top-of-funnel traffic, and buying guides that convert mid-funnel shoppers. The whole programme is built around ecommerce content marketing as a revenue engine rather than as a brand-awareness exercise.

Most good ecommerce content writing services run as ongoing programmes rather than one-off projects. A retainer covers new SKU additions, seasonal category refreshes, blog publishing, and the occasional buying-guide drop. The agency becomes an extension of the merchandising and SEO teams rather than a vendor delivering brief-and-receive work. That programmatic posture is what separates an ecommerce content marketing agency from a freelancer who happens to write e-commerce content writing services pieces on the side.

The four content formats every ecommerce content marketing agency should master

There are four formats every serious agency in this space should be fluent in. Product descriptions are the highest-leverage format, because they sit closest to the add-to-cart button — Fellocraft wrote Fabindia’s full PDP catalogue rewrite for exactly this reason. Category page content is the under-rated SEO play: well-written category headers and footers can lift a store’s rankings for high-volume head terms, which is the work we did across IKEA India’s furniture catalogue for four years. Ecommerce blogs build awareness-stage traffic and reach shoppers before they’re searching for specific products — Biba’s Spelle fragrance launch is a recent example. And buying guides convert mid-funnel shoppers who are comparison-shopping; Fellocraft wrote Amazon’s full library of category buying guides during a four-year engagement starting in 2014.

A good agency can switch between all four formats with a consistent brand voice. A great agency can also tell you which format to prioritise for your specific catalogue and stage.

Product description writing — the highest-leverage hire

If your store has more than a hundred SKUs and you only have budget for one content investment, product description writing is almost always the right answer. Product descriptions are the last piece of copy a shopper reads before they buy, and they sit on the page where the conversion happens.

What good product description writing services look like in practice: writers who can balance sensory product detail with subtle SEO load, deliver in weekly batches at scale, and hold a consistent brand voice across thousands of SKUs. Fellocraft’s product description writing work for Fabindia rewrote the entire e-commerce catalogue — women’s and men’s ethnicwear, jewellery, plus the full home-furniture range — and the rewrite drove measurable PDP traffic growth and stronger organic discoverability across the catalogue. For BigBasket, our product description content writing was a four-month sprint through thousands of food and beverage SKUs where every snack PDP needed to read like the product tasted. For Tanishq, two years of bespoke PDPs across necklaces, rings, mangalsutras, and solitaires demonstrated that the same product description service can scale from FMCG to fine jewellery without losing voice. The work for Isha Life took it further — two thousand product descriptions for a launch catalogue, written in one month, across consecrated Rudrakshas, yogic clothing, copper drinkware, and home decor.

The point is that product description services should never feel like a single template applied across a catalogue. Each category demands its own register, and a good agency staffs writers fluent in that category’s vocabulary.

How to choose a product description writing company — what to look for

When you’re hiring, here are five criteria that genuinely separate strong agencies from weak ones.

Portfolio scale. Ask any product description writing company for a portfolio that proves they’ve worked at SKU scale. Fellocraft wrote 16,000 SKUs for Ajio in under two months before the public launch of ajio.com, and 19,000 watch SKUs end-to-end for Titan in five months. Those numbers matter because ecommerce content fails at scale, not at sample size — any agency can write a beautiful sample of ten PDPs.

Category fluency. A good product description writing agency will have written in the specific category you sell in, or close enough that the learning curve is short. Fellocraft has shipped PDPs across fashion, electronics, jewellery, watches, books, food, beauty, home, and spiritual commerce — eight verticals on this deck, more in practice.

SEO chops. Every ecommerce product description writing services brief is a hidden SEO brief. The writers need to know how to balance keyword density with brand voice, and the agency needs to show you measurable ranking lifts from past work. Fellocraft’s IKEA India work resulted in a phenomenal rise in rankings on Google for ecommerce categories, as IKEA’s own Country Integrated Manager confirms in his testimonial above.

Embed-ability. The best product description writing service relationships are long-running and embedded. Myntra had Fellocraft writers physically inside the Bangalore and New Delhi fulfilment centres for five years, where they earned Myntra’s internal Writer’s Award for 100% compliance to in-house quality standards. Ajio embedded five of our fashion writers directly inside their office, reporting to their in-house Content Head. Embed-ability is a structural test of trust.

Voice consistency. Fastrack has trademarked its ‘Move On’ voice — irreverent, edgy, young, never corporate. Fellocraft writes Fastrack PDPs across watches, smartwatches, sunglasses, bags, wallets, and helmets in that exact voice, every time. Voice consistency at SKU scale is the hardest test of any ecommerce content writing agency.

Category page content — the under-rated SEO play

Most ecommerce brands over-invest in product description writing and under-invest in category page content. This is backwards. Category pages target high-volume head terms — terms like ‘wooden coffee tables’ or ‘gold mangalsutras’ — that bring in vastly more traffic than the long-tail terms individual product pages rank for.

Fellocraft’s four-year engagement with IKEA India was almost entirely category page work. We rewrote category and subcategory pages across IKEA’s entire furniture range, localising them for the Indian audience without compromising IKEA’s global tone of voice. The result was an immediate and phenomenal rise in rankings on Google for ecommerce categories — a result IKEA’s own leadership credited directly to the content rewrite.

The Mia by Tanishq engagement showed how category page content fits into a broader content strategy for ecommerce. We sequenced the work to the funnel — category page copy first, to lift Mia’s Google rankings for jewellery-discovery queries, then PDPs across the catalogue, then long-form blogs to retain readers. One year, one funnel, three writing crafts.

Ecommerce blogs and buying guides — the top-of-funnel hire

Ecommerce blogs and buying guides do work that PDPs and category pages cannot — they reach customers in the awareness stage, before they know exactly what they want to buy. A well-written buying guide for “best smartwatches under ₹10,000” pulls in a shopper who has no specific product in mind yet, and walks them down the funnel toward a purchase.

The flagship Fellocraft case here is the full library of category buying guides written for Amazon.in across thirteen-plus categories — books, lingerie, electronics, power tools, jewellery, musical instruments, cameras and more. Buying guides at Amazon’s editorial bar have to teach the shopper without ever feeling like advertising, which is a notoriously hard register to hit. The other recent example is Biba’s Spelle fragrance editorial, where blog content built category context for a heritage ethnic-wear brand stepping into fragrance for the first time.

If you’re hiring an agency for buying guides specifically, ask to see published live work. Buying guides are easy to mock up and hard to actually publish at scale.

Shopify ecommerce content marketing — what to ask for

If you run a Shopify store, you’ll want a shopify content marketing agency that understands the platform’s specific patterns — theme-level content blocks, metafield-driven product attributes, app-driven catalogue imports, and the Shopify blog publishing flow. The bar to clear is whether the agency has shipped ecommerce content into live Shopify environments rather than just delivered Word docs over email.

A few things to ask for specifically. First, ask whether they can write a shopify seo blog programme that maps to your category structure and not just a generic content calendar. Second, ask whether they can write product descriptions that fit Shopify’s metafield character limits while still landing the key SEO terms. Third, ask whether they’re comfortable working alongside your Shopify theme developer when category page content needs to be implemented in custom sections rather than pasted into the default theme blocks.

Fellocraft has published Shopify content across D2C, fashion, beauty, food, and home categories — and we’re upfront that not every engagement on this page is a Shopify case, since several of our largest clients run on bespoke or marketplace platforms. The skill carries across.

Amazon and marketplace content — the hardest brief

Writing content for Amazon and other marketplaces is the hardest brief in ecommerce, because the editorial bar is set by Amazon itself rather than by the brand. Listing copy has to comply with Amazon’s strict character limits, keyword guidelines, and tone conventions, all while differentiating your product from a dozen competing listings on the same search results page.

Fellocraft’s four-year engagement with Amazon.in is the deepest marketplace content reference on this page. We wrote lakhs of book PDPs as Amazon doubled down on its founding category, SEO-optimised category page content as the platform expanded into thirteen-plus new categories, and the full library of buying guides referenced above. We also delivered the entire PDP catalogue for Junglee.com, Amazon’s India price-comparison engine. The work spanned three distinct writing crafts — SEO writers for category structure, book specialists for discoverable book copy, and long-form writers for buying guides — all delivered to a single Amazon editorial bar.

If you sell on Amazon specifically, ask any prospective agency whether they offer an amazon product description writing service that covers single SKU listings, A+ content, and full catalogues — and whether they understand the differences between Amazon’s marketplace SEO and Google SEO. The brands that get the best results from amazon content writing services treat the marketplace as its own platform rather than as a port of their Shopify content.

The ecommerce copywriter — what specialised actually means

An ecommerce copywriter is a different craft from a general copywriter. General copywriters are trained on long-form prose, brand campaigns, and editorial. An ecommerce copywriter is trained on category fluency, SKU velocity, and brand voice at scale — writing five hundred PDPs in a week, every week, without losing voice or accuracy.

What specialisation looks like in practice: Myntra’s internal Writer’s Award, given to Fellocraft writers for 100% compliance to Myntra’s in-house editorial standards while writing fashion PDPs at marketplace scale. Ajio’s decision to embed five Fellocraft fashion writers inside their office, reporting to their Content Head, after the pre-launch catalogue work. Fastrack’s voice-trademark work, where the writers needed to hear and reproduce Fastrack’s irreverent register across hundreds of SKUs without it ever feeling forced. Titan’s 19,000-watch SKU rewrite that required horology fluency — movements, complications, finishes, lume, lug width — across both proprietary brands and an extensive licensed portfolio including Tommy Hilfiger, Police, and Kenneth Cole.

When you’re hiring, ask the agency to show you specific copywriters’ work rather than agency-level samples. The ecommerce copywriter writing your PDPs is more important than the agency’s logo.

How a good agency sequences content strategy for ecommerce

The final question to ask any ecommerce content marketing agency you’re considering is how they think about content strategy for ecommerce — meaning, how they sequence the four formats above for your specific store and stage.

The Mia by Tanishq engagement is the cleanest illustration of what good sequencing looks like. Mia’s customer is a young, self-purchasing woman buying jewellery on her own credit card, often online, often without a family conversation around it. She doesn’t enter jewellery stores unprompted. So we sequenced the content work to her funnel: category page content tuned for high-intent search terms first, to rank Mia where her customer was already looking; PDPs that read like style notes rather than jewellery spec sheets, sized for her decision-making pace; and long-form editorial blogs that built fluency in jewellery as everyday wear, giving her reasons to keep coming back. One year, one funnel, three writing crafts, sequenced rather than scattered.

A good agency will give you that kind of sequencing answer in the first conversation. A weak one will quote a per-word rate and ask how many words you need.

If anything in this guide made you think these are the people you want writing for your brand, get in touch and we’ll take it from there. Fellocraft has been writing ecommerce content since 2013, across more than a million PDPs and thirteen-plus verticals, and we’re still picking up the phone.