Free UK delivery over £15 · Order before 2pm
Made in Blackburn since 2017
Professional self-inking stamps for businesses, teachers and everyday use. Upload your artwork or add your wording and we’ll produce it here in Blackburn.
Shop by need
Start with the job you need to complete. We’ll take you straight to the most suitable stamp range.
Upload your artwork and create a clear, repeatable branded impression.
Explore logo stampsAdd an address, business details, regular wording or your own message.
Shop text stampsUse our practical guidance or contact Stamp Ninja before ordering.
Help me choosePopular choices
Start with proven sizes for logos, addresses, signatures and everyday business use.
A versatile medium format for addresses, text and everyday business details.
A generous impression area for branding, packaging and more detailed artwork.
A smaller everyday option for concise wording and simple designs.
Upload a signature for fast, repeatable signing of suitable documents.
Made for your work
Find suitable stamp types, sizes and wording for your business, school or organisation.
Why Stamp Ninja?
Stamp Ninja has designed and produced more than 100,000 stamps since 2017. Orders are prepared at our Blackburn production site and our team checks personalised artwork before manufacture.
Stamp Ninja is operated by Obsesso Ltd, which holds written COLOP authorisation to list genuine COLOP products.
Buy with confidence
Choose the correct size, ink and artwork before spending your money.
Quick answers
The essentials about artwork, timing, delivery and stamp use.
Tell us what you need to stamp and we’ll point you towards a suitable size and format.
Ask Stamp NinjaOrders placed before 2pm Monday to Friday are normally despatched the same working day. Check the current delivery page for service details and exceptions.
Yes. Choose a custom logo product and upload the clearest version available. The artwork is checked before production, and we will contact you if there is an obvious problem.
Standard self-inking stamp ink is water-based and intended for absorbent matt paper, card and cardboard. It is not suitable for glossy, coated or non-porous surfaces.
Choose the smallest impression size that comfortably fits the longest line, total number of lines and any logo detail. If you are uncertain, contact us before ordering.
Yes. Stamp Ninja supplies replacement cartridges for many COLOP self-inking models. Check the model number printed on the stamp body before ordering.
