Author of the book ‘The Ultimate Guide To E-commerce Growth’. One of the Hammersley Brothers. Presenter of the Hammersley Brothers E-commerce Podcast.

Auckland, New Zealand
Joined April 2008
Starting your Black Friday emails the week of? You’re already behind. Ian and I share our proven email sequences, when to start, how often to send, and why more emails mean more sales. Listen before planning November: youtu.be/-gJEaE-sNgU #BlackFriday #EmailMarketing
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Supplier negotiations shape how fast an ecommerce brand can scale. Better margins and terms improve cash flow, free up ad spend and support larger stock orders. Treat key suppliers as growth partners and share the commercial plan behind your volume targets.
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International expansion may seem like the next step as revenue grows, but new countries add complexity across stock, logistics, and marketing. Before expanding abroad, maximize profitable growth in your existing market by scaling Meta and Google Ads. Capture easy wins first.
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Hiring experienced people won’t automatically make an ecommerce business easier to scale. Beyond £1m, teams, agencies and specialists bring competing opinions and priorities. Without a clear system and direction, more expertise can create complexity instead of better decisions.
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Doubling ecommerce revenue from £1m to £2m doesn’t mean doubling profit. Staff, agencies, warehousing and overheads can eat into margins as you scale. Track profit alongside revenue growth to ensure your Shopify business becomes more profitable, not just bigger.
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Growing from 500K to 1M isn’t always about finding something new. It’s about scaling what works. Turn winning products, ads, offers, and emails into repeatable systems. Don’t mistake founder boredom for a business problem when your strategy is still driving profitable growth.
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Ecommerce growth isn’t about fixing everything at once. Use your numbers to identify the key bottleneck—conversion, average order value, stock, customer acquisition, or another core KPI. Fix what’s limiting growth before adding more tasks to your strategy.
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Not all ecommerce businesses scale the same. Mark & Ian Hammersley break down 5 ecommerce models—from Compounders to High-Ticket One-Timers—and reveal how each affects growth, ROAS, margins, stock, cash flow, and customer lifetime value. Watch: youtu.be/J1uO4KyqpWg
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Scaling ecommerce revenue without knowing where profit appears isn’t growth. Profit velocity asks: will more aggressive ad spend today create more profit over the next two years? Judge Meta, Google, and growth by profit—not just revenue.
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Ecommerce founders often get bored with marketing before the market does. If your emails, creative, offers, or conversion process work, don’t replace them just to stay interested. Build systems around what works and scale through repeatability.
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High ROAS doesn’t always mean real growth. Mark & Ian Hammersley reveal how attribution, brand traffic and existing customers can hide the truth—and when scaling ads stops working. 🚨 Find out what’s really driving growth: youtu.be/JdgN8xh1jiQ
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Black Friday isn’t a day—it’s a trading period. Ian Hammersley breaks down the full Q4 ecommerce strategy, from Halloween to January: offers, email, Google & Meta, stock, ROAS, merchandising, and when to push harder or hold back. Watch now: youtu.be/qdNKYvm-cro
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At the $500K–$1M growth stage, doubling your ecommerce SKUs won’t double revenue. Identify products that drive profit, acquire customers, and boost retention. Scale proven winners—and stop letting weak products drain inventory and cash flow.
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More traffic isn’t always the answer at $500K–$1M. Improve conversion rate, AOV, LTV and gross profit first. Optimise your economics, then scale Meta and Google Ads harder with stronger ROAS.
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Sold-out bestsellers were costing us sales while available alternatives were buried. In this week’s podcast, we share what we changed, why selling out isn’t always a win, and how AI helps spot missed opportunities. **Watch the episode:** youtu.be/KvM13573HN0
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Going from $100K to $500K means trading opinions for numbers. Margin, CAC, LTV, net profit, seasonality, and channel performance show where to spend and how to grow. Master these ecommerce KPIs now, and they become the foundation for scaling beyond $500K.
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If you can’t explain your ecommerce business in a few sentences, scaling gets harder. Know your customer, product, acquisition channel, margin, and LTV. Simplify the model first, then scale from $100K to $500K.
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Your next ecommerce growth unlock may not be a new ad platform. Trust, offers, product photography, email capture and brand story can improve conversion more than marketing complexity. Nail the fundamentals before chasing another Meta or Google Ads hack.
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Shiny object syndrome is a major ecommerce trap at $100K–$500K. New TikTok tactics, Instagram changes and Meta strategies can distract from what drives profitable growth. Before chasing trends, ask if they solve your biggest constraint.
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More ecommerce channels don’t automatically mean more growth. At $100K–$500K, spreading spend across Google, Meta and others can dilute your strongest channel. Find what scales best and concentrate your budget there.
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