London, United KingdomPartner since 2012
Underwaterpistol is a Shopify Platinum Partner headquartered in London, United Kingdom, in the partner program since 2012. The agency offers 19 services on its profile, including store migration, wholesale/b2b, and international expansion. Merchants rate it 4.8 out of 5 across 45 Shopify reviews. Named industries include B2B, and consumer packaged goods.
At a glance
| Partner tier | Shopify Platinum Partner. Typically preferred by global enterprise businesses. |
|---|---|
| Headquarters | London, United Kingdom |
| Languages | English |
| Shopify partner since | 2012 |
| Project pricing | Contact for pricing |
| Industries | Business to business (B2B), Consumer packaged goods, Food and drink, Home and garden |
| Website | underwaterpistol.com |
What Underwaterpistol does
Underwaterpistol lists 19 services on its Shopify partner profile. Each links to every other Premier or Platinum agency worldwide offering the same thing.
- Store migration Pricing on request
- Wholesale/B2B Pricing on request
- International expansion Pricing on request
- Store build or redesign Pricing on request
- Systems integration Pricing on request
- Custom apps and integrations Pricing on request
- Conversion rate optimization Pricing on request
- Business strategy guidance Pricing on request
- Theme customization Pricing on request
- Product and collection setup Pricing on request
- Store settings configuration Pricing on request
- POS setup and migration Pricing on request
- Headless commerce Pricing on request
- Website audit and optimization strategy Pricing on request
- Ongoing website management Pricing on request
- Checkout upgrade Pricing on request
- Troubleshooting Pricing on request
- Custom domain setup Pricing on request
- Site performance and speed Pricing on request
Featured work
6 case studies Underwaterpistol highlights on its Shopify profile. Each link goes to the agency's own write-up.
What clients say Underwaterpistol does well
WISLR read 44 of the 45 client reviews on this agency's Shopify profile and looked for what merchants repeat. This is our reading of the patterns, not a quote from any review.
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Design file fidelity
Merchants who arrived with finished designs from outside studios repeatedly say the built site matched the intended visual identity, in one case beating the warning that theme constraints would force compromises. Bespoke functionality was added without degrading the agreed design or UX.
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Complex replatforming
Reviews cover a large re-platform involving multiple integrations with existing systems, a Magento to Shopify move, and a rescue migration off a failing custom-built site, each described as launching successfully with the agency simplifying rather than compounding the technical complexity.
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Cross-timezone delivery
Clients in Los Angeles, Australia and elsewhere describe working with the UK team entirely remotely, with training delivered over video calls and queries answered within a day, and report the distance never impeded the project.
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First store launches
Several merchants credit the agency with their first ecommerce presence, from startups needing precision on a founding brand identity to established businesses selling online for the first time, with app recommendations and admin training included so owners could run the store themselves.
Recurring themes custom theme buildsdesign handoffreplatformingremote clientsfirst stores
Client ratings
45 merchants have rated Underwaterpistol on Shopify, averaging 4.8 out of 5, with 4.8 for communication and 4.8 for quality of work.
| 5 star | 37 | |
|---|---|---|
| 4 star | 7 | |
| 3 star | 1 | |
| 2 star | 0 | |
| 1 star | 0 |
Ratings are collected and published by Shopify, not by WISLR.
Compare with other Platinum partners
Other top-tier Shopify agencies in London, plus a few more at the same tier.
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Eastside®
PlatinumEastside®, a Shopify Platinum Partner based in London, United Kingdom, has held partner status since 2012. It holds a 4.9-star average over 139 client reviews on Shopify.
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BORN
PlatinumBORN, a Shopify Platinum Partner based in London, United Kingdom, has held partner status since 2012. Merchants rate it 5 out of 5 across 82 Shopify reviews.
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Superco
PlatinumSuperco, a Shopify Platinum Partner based in London, United Kingdom, has held partner status since 2020. It holds a 5-star average over 11 client reviews on Shopify.
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Tryzens Global
PlatinumWorking from London, United Kingdom, Tryzens Global holds Shopify's Platinum Partner designation, earned as a partner since 2022. Its Shopify profile lists 6 services, led by custom apps and integrations, business strategy guidance, and international expansion.
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Vervaunt
PlatinumWorking from London, United Kingdom, Vervaunt holds Shopify's Platinum Partner designation, earned as a partner since 2016. The agency offers 5 services on its profile, including business strategy guidance, search engine advertising, and site performance and speed.
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WE ARE CRISP
PremierWorking from London, United Kingdom, WE ARE CRISP holds Shopify's Premier Partner designation, earned as a partner since 2012. It holds a 5-star average over 31 client reviews on Shopify.
WISLR does not independently endorse the work of the agencies listed in this directory, and a profile here does not establish a past or existing partnership between WISLR and any listed agency. This page is WISLR's independent summary of publicly available data from the Shopify Partner Directory, as of August 8, 2026.