Description
Custom Printed Envelopes – Branded Envelope Printing in All Sizes & Designs
Custom envelopes are one of the most powerful yet often overlooked branding tools in the UK business environment. They’re the first thing your customer sees when they receive your mail — and first impressions matter. At Print Custom Boxes UK, we specialise in printing high-quality branded envelopes in a wide range of sizes, formats, and custom designs to help your business stand out before the message is even opened.
From corporate correspondence and invoice mailers to promotional campaigns and event invites, our custom printed envelopes combine functionality with powerful branding to create a lasting impression that supports your company’s image, professionalism, and marketing goals.
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📬 What Are Custom Printed Envelopes?
Branded envelopes are standard or bespoke envelope formats printed with your logo, business details, brand colours, or campaign designs. Instead of using plain white stationery, you can customise your envelopes to include:
- Logos and company names
- Return address and contact details
- Taglines, slogans, or QR codes
- Full-colour designs or brand themes
- Window or non-window formats
- Custom security patterns or inside prints
Used by businesses of all sizes across the UK, custom envelopes add credibility, trust, and identity to your communications. Whether you’re sending marketing materials, invoices, statements, catalogues, contracts, or invites, a branded envelope elevates your presence and increases open rates.
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🖨️ Unique Printing Features of Our Envelope Printing Services
At Print Custom Boxes UK, we use modern printing techniques, high-quality materials, and precise cutting and folding processes to deliver envelopes that are both visually striking and highly functional.
✅ Full Colour CMYK & Spot Colour Printing
We print in vibrant full colour using CMYK digital or offset printing, as well as Pantone spot colour matching for exact brand consistency. Whether your design is a simple logo or a full-bleed edge-to-edge pattern, we ensure clarity, alignment, and professional finish.
✅ Envelope Styles Available
We offer a wide selection of custom envelope types, including:
C4 Envelopes (324mm x 229mm): Fits unfolded A4 sheets — great for reports, catalogues, or legal documents.C5 Envelopes (229mm x 162mm): Fits A5 or folded A4 — ideal for invoices, letters, and mailouts.DL Envelopes (220mm x 110mm): Fits A4 sheets folded into thirds — the most common format for business letters and promotional material.Square Envelopes: Perfect for greeting cards, invitations, and special promotions.Custom Sizes: Tailored to fit brochures, books, gifts, or marketing packs.
✅ Window & Non-Window Options
We print on both windowed envelopes (ideal for invoices and billing) and non-windowed styles (great for creative branding or personalised campaigns).
✅ Print Areas
We can print on:
- The front only
- Front and back
- Full-bleed designs across the entire envelope
✅ Special Finishes
- Gloss or matte lamination for extra durability and elegance
- Spot UV for highlighting logos or elements with a shiny finish
- Foil stamping in gold, silver, or custom metallic shades
- Embossing for a tactile, luxury feel
- Security tints for confidential mailings
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🌟 Key Benefits of Branded Envelopes for UK Businesses
Investing in custom printed envelopes offers several distinct advantages for businesses operating in the UK. From brand reinforcement to trust-building, here’s why our customers rely on printed envelopes for their day-to-day operations and marketing efforts:
✅ 1. Enhance Brand Recognition
A branded envelope acts as a mini billboard. The moment it reaches your client’s hands, it communicates professionalism, consistency, and attention to detail — all traits that build brand trust.
✅ 2. Increase Open Rates
People are naturally more likely to open mail that looks important or personal. Envelopes with a company logo or attractive design have been proven to increase open rates compared to plain white stationery.
✅ 3. Reinforce Credibility
Official documents, statements, and contracts look far more professional when delivered in a branded envelope. It shows the recipient that your company operates with integrity and values every touchpoint.
✅ 4. Promote Offers & Campaigns
You can print call-to-actions, promo codes, or campaign teasers directly on the envelope to spark curiosity and drive engagement before the letter is even opened.
✅ 5. Affordable & High-Impact Marketing
For very little cost per unit, custom envelopes offer a powerful marketing advantage over generic packaging. When used in bulk (like monthly mailouts or event invites), they deliver exceptional return on investment.
✅ 6. Tailored to Your Audience
Whether you’re mailing sensitive financial information, seasonal greetings, appointment letters, or new product catalogues, your envelope can be designed to match the tone and purpose of the message inside.
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📄 Materials Used in Custom Envelope Printing
We believe great envelopes start with great materials. Our UK envelope printing service uses only premium stocks for smooth, secure, and professional outcomes.
📦 Paper Stocks
- 90gsm to 120gsm White Offset Paper: Commonly used for standard business envelopes — lightweight, writable, and cost-effective.
- 120gsm Premium Offset Paper: Offers improved opacity and stiffness for more formal communication.
- 130gsm to 160gsm Luxury Paper: Ideal for bespoke mailers, event invitations, and luxury correspondence.
- Recycled Kraft Paper: Brown natural envelopes with eco appeal — ideal for eco-conscious brands and handmade products.
🔒 Security Features
Security Tints: Printed inner patterns to protect sensitive data inside.
Peel & Seal or Gummed Flaps: Available for both security and convenience.
♻️ Sustainable Options
We provide FSC-certified papers, recycled envelope options, and vegetable-based inks for customers who want to reduce their environmental footprint. Many UK businesses now request eco-friendly envelopes for compliance and branding reasons — and we’re proud to support that.
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📈 Popular UK Use Cases for Printed Envelopes
Our clients across various sectors rely on custom envelope printing for different business needs. Here are some of the most common uses in the UK market:
- Retail & eCommerce Mailers – Sending catalogues, promotional offers, or discount vouchers.
- Professional Services Firms – Distributing legal notices, contracts, and formal documents.
- Educational Institutions – Sending acceptance letters, course materials, and newsletters.
- Medical Clinics & NHS Services – Patient appointment letters, lab results, and secure notices.
- Financial Sector & Banks – Loan approvals, statements, and confidential information.
- Events & Hospitality – Custom invites, RSVP requests, and wedding stationery.
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🚚 Order Quantities, Production Time & UK-Wide Delivery
We accept both small and large runs — from 250 to 50,000+ envelopes — with flexible pricing to suit your budget.
Standard Turnaround: 5–7 working days
Express Service: 2–3 working days (available on selected styles)
Nationwide Delivery: Tracked shipping across the UK including London, Manchester, Birmingham, Glasgow, and Cardiff.
Every order is quality-checked and packaged securely to ensure it reaches you in perfect condition.
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💼 Why Choose Print Custom Boxes UK for Envelope Printing?
At Print Custom Boxes UK, we combine high-end print technology with outstanding customer support and fast delivery. Our goal is to provide professional-grade envelopes that meet your exact needs — whether you’re a startup, a charity, a government department, or an enterprise organisation.
What you can expect:
- Wide variety of envelope styles and sizes
- Free design checks and expert artwork support
- Fast turnaround and dependable UK-wide shipping
- Competitive pricing with volume discounts
- Eco-friendly print options
- Personalised service every step of the way
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📣 Start Elevating Your Everyday Mail
Make your communications stand out before they’re even opened. Choose custom printed envelopes from Print Custom Boxes UK and let your brand speak for itself — from the moment it arrives in your customer’s hands.
Request a free quote or speak with our team today to explore options tailored to your business. Upload your artwork or let our designers help you create a professional envelope design that works.
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