Free UK delivery over £15 · Order before 2pm
Made in Blackburn since 2017
Personalise online with your wording, logo or signature — or pick a ready-made office design. We check the artwork and produce the stamp here in Blackburn.
Shop by need
Start with the job. We’ll send you to the right Stamp Ninja range.
Upload your artwork for a clear, repeatable branded impression.
Explore logo stampsCompany details, addresses and everyday wording on self-inking models.
Shop personalised textBusiness address and branding layouts for invoices, packs and stationery.
Shop company stampsApproved, Paid, Checked, Fragile and the rest — wording already set.
Shop ready-madeTiny 12 × 12mm icons for cafés, salons, barbers and bakeries.
Shop loyalty stampsAnswer a few practical questions and we’ll point you to a size and type.
Use the Stamp FinderPopular choices
Proven formats for addresses, logos, signatures and everyday business wording.
A versatile medium format for addresses and everyday business details.
Room for logos on packs, cards and paperwork.
A compact everyday option for short wording.
Upload a signature for fast, repeatable signing.
Made for your work
Find stamp types that match how your workplace actually works.
Branding, packaging, addresses and day-to-day admin.
Marking, praise, feedback and classroom admin.
Alerts, pharmacy marks and care-record wording.
Certified copies, identity checks and correspondence.
Goods in, checked, picked, packed and dispatched.
Loyalty cards and customer-facing icons.
Why Stamp Ninja?
We’ve designed and produced more than 100,000 stamps since 2017. Personalised orders are prepared at our Blackburn site, and we check artwork before manufacture. Stamp Ninja is run by Obsesso Ltd, with written COLOP authorisation to list genuine COLOP products.
Buy with confidence
Size, ink and artwork — sorted before you spend.
Quick answers
The essentials about artwork, timing, delivery and stamp use.
Tell us what you need to stamp and we’ll suggest a size and format.
Ask Stamp NinjaOrders placed before 2pm Monday to Friday are normally dispatched 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.
