7 Bottlenecks Slowing International Ecom Deliveries | SAMOS [SAMOS e-commerce LTD](/)Open main menu Search Services Pricing Resources Blog [ Login ](https://connect.samos-e.com/login) ![](https://fls-a23386ec-a833-4d54-8bab-79a51619651d.laravel.cloud/364/conversions/Main-Graphic-14-main.jpg) 7 Bottlenecks Slowing International Ecom Deliveries | SAMOS =========================================================== International shipping involves far more than simply moving parcels from A to B. From warehouse delays and carrier handovers to customs clearance and changing regulations, hidden bottlenecks can quickly impact delivery performance. In this guide, we explore seven common supply chain issues that slow international ecommerce shipping, and the practical steps growing brands can take to keep orders moving. ![Picture of Simon Perkins](https://fls-a23386ec-a833-4d54-8bab-79a51619651d.laravel.cloud/129/conversions/TBA41DHHU-UB8G6TW2C-a6e01c7f48ad-512-main.jpg) Simon Perkins Commercial Director at SAMOS - [7 Hidden Bottlenecks Slowing Your International Ecommerce Deliveries (And How to Avoid Them)](#content-7-hidden-bottlenecks-slowing-your-international-ecommerce-deliveries-and-how-to-avoid-them) - [What is a supply chain bottleneck?](#content-what-is-a-supply-chain-bottleneck) - [Frequently Asked Questions On Supply Chain Bottlenecks](#content-frequently-asked-questions-on-supply-chain-bottlenecks) 14th August 2026 Updated 9 hours ago Share this article - [Share on Facebook]() - [Share on WhatsApp]() - [Share on LinkedIn]() - Copy Link [\#](#content-7-hidden-bottlenecks-slowing-your-international-ecommerce-deliveries-and-how-to-avoid-them "Permalink")7 Hidden Bottlenecks Slowing Your International Ecommerce Deliveries (And How to Avoid Them) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Growing your ecommerce business internationally opens the door to exciting new markets, but it also introduces new supply chain challenges. Every international order passes through multiple stages before it reaches your customer, from warehouse fulfilment and carrier networks to customs clearance and final-mile delivery. When one part of that journey slows down, the result can be delayed deliveries, rising operational costs and unhappy customers. Some international delivery delays are unavoidable. Severe weather, peak shopping periods and disruption in destination countries can all affect transit times. But many of the most common bottleneck issues are preventable with the right supply chain management strategy and an experienced international shipping partner. In this guide, we'll explore seven hidden bottlenecks that can slow your international ecommerce shipping, explain why they happen, and share practical ways to keep your cross-border deliveries moving. [\#](#content-what-is-a-supply-chain-bottleneck "Permalink")What is a supply chain bottleneck? ---------------------------------------------------------------------------------------------- A supply chain bottleneck is any point where the movement of goods slows down or stops unexpectedly, preventing products from flowing efficiently through your fulfilment network. For customers, this usually means a delayed parcel. For growing ecommerce brands, it often means increased customer enquiries, higher shipping costs and valuable time spent resolving problems instead of focusing on growth. However, many supply chain bottlenecks can be identified and prevented before they become costly disruptions. These are the seven bottleneck issues we see regularly at SAMOS and how we help people avoid them. **1. Warehouse bottlenecks** Not every delivery delay starts in transit. Some of the biggest supply chain issues begin inside the warehouse. Congestion at loading docks, equipment failures, inaccurate inventory records or delays in picking and packing can all create a backlog that affects every shipment leaving your fulfilment centre. Missing carrier collection windows often means parcels must wait until the next scheduled dispatch, adding unnecessary time to the customer journey. **How to reduce the risk** Strong warehouse processes are the foundation of effective supply chain management. Investing in warehouse automation, accurate inventory systems, clear storage zones and streamlined packing processes helps keep orders moving and reduces avoidable bottleneck issues before they occur. **2. Carrier handovers** International parcels rarely travel with just one carrier. As shipments move between logistics providers, airports and local delivery networks, every handover creates another opportunity for delays. Missing shipment data, incompatible systems or missed transfer windows can all slow progress and leave parcels waiting for the next stage of their journey. **How to reduce the risk** Complete, accurate shipment data is essential. Ensuring information such as [**country of origin**](https://samos-e.com/resources/what-is-an-hs-code), [**HS Codes**](https://samos-e.com/resources/what-is-meant-by-country-of-origin) and customs declarations is correct from the outset helps minimise delays. Working with an [**integrated international ecommerce**](https://samos-e.com/services/integrations) shipping partner also creates smoother transitions between carriers and improves overall supply chain visibility. **3. Border congestion** Customs is one of the most common causes of international delivery delays. High parcel volumes, additional inspections and limited processing capacity can all increase clearance times, particularly during peak ecommerce periods. Even if every other stage of your supply chain is running smoothly, congestion at the border can quickly become a significant bottleneck. **How to reduce the risk** Preparing customs documentation before goods arrive at the border makes a significant difference. Using [**Delivery Duty Paid (DDP) shipping**](https://samos-e.com/resources/what-is-delivery-duty-paid), accurate [**Hamonised System**](https://samos-e.com/resources/what-is-delivery-duty-paid) (HS) codes and digital customs data help speed up customs clearance, reducing delays and improving the efficiency of your cross-border shipping operation. **4. Changes to customs regulations** International trade regulations are constantly evolving, making compliance one of the biggest challenges in modern international ecommerce shipping. Recent changes in both the [**European Union**](https://samos-e.com/blog/customs/eu-customs-changes-2026-what-e-commerce-sellers-need-to-know) and the [**United States**](https://samos-e.com/blog/us-shipping/shipping-to-the-us-from-the-uk-what-changes-on-24-july-2026) have introduced new digital reporting requirements for certain imported goods. For example, some regulated consumer products entering the US now require electronic [**Certificates of Compliance**](https://samos-e.com/blog/us-shipping/us-coc-certificate-of-compliance-all-you-need-to-know) before import. Imagine you're a growing children's retailer shipping educational toys, baby shoes or activity books from the UK to customers across the US. Because your product is made for a child, it comes under more scrutiny than other products. A missing digital Certificate of Compliance could result in your shipment being held at customs, delaying deliveries, increasing storage charges and disappointing customers who were expecting their orders within days. **How to reduce the risk** Partnering with an experienced international shipping specialist helps ensure your shipments remain compliant before they leave the warehouse. Staying ahead of regulatory changes reduces unnecessary customs delays, protects the customer experience and helps avoid costly bottleneck issues. **5. Returns management** Returns are an inevitable part of ecommerce — but they introduce an entirely different logistics process. Unlike outbound orders, returned products require inspection, quality checks, inventory updates and additional warehouse handling. Without dedicated processes, returns can quickly overwhelm fulfilment teams and create supply chain bottlenecks that affect new customer orders. **How to reduce the risk** [**Automated returns management systems**](https://samos-e.com/services/parcel-returns), dedicated reverse logistics workflows and real-time inventory updates help prevent returns from disrupting your wider ecommerce fulfilment operation. **6. Poor shipment visibility** When a shipment is delayed, visibility becomes everything. Without accurate tracking information, it's difficult to identify where a parcel is, understand what's causing the delay or proactively update customers. Small issues can quickly escalate because they aren't identified early enough. For growing ecommerce brands, poor visibility doesn't just affect customer service, it limits your ability to make informed supply chain management decisions. **How to reduce the risk** Using a [**centralised trackig platform**](https://samos-e.com/services/parcel-tracking) that connects your logistics partners provides end-to-end shipment visibility. Real-time data allows you to identify bottlenecks earlier, communicate confidently with customers and resolve issues before they impact delivery performance. **7. Lack of contingency planning** No supply chain is immune to disruption. Weather events, transport strikes, supplier issues or sudden spikes in demand can all affect delivery performance. Businesses without contingency plans often find themselves reacting to problems rather than managing them, turning minor disruptions into major supply chain issues. **How to reduce the risk** Building flexibility into your operation through alternative shipping routes, multiple carrier options and experienced logistics support helps create a more resilient international supply chain. Proactive planning allows your business to adapt quickly when unexpected events occur and keeps your deliveries on track. **How SAMOS helps keep international deliveries moving.** At [**SAMOS**](https://samos-e.com/about-samos), we work with growing ecommerce brands to simplify cross-border shipping, reduce unnecessary international delivery delays and build scalable supply chain management solutions that support long-term growth. Whether you're shipping hundreds of parcels a week or thousands, we help connect every part of your fulfilment operation — from customs clearance and compliance to carrier management and delivery performance — so your customers receive the reliable service they expect. We support growing ecommerce brands to: - Stay ahead of changing international regulations and customs requirements. - Navigate customs clearance and compliance with confidence. - Reduce avoidable supply chain issues and international delivery delays. - Build scalable cross-border shipping solutions that grow with your business. - Ship seamlessly from UK-to-US, UK-to-EU and global thriving ecommerce markets. - Predict and avoid bottleneck issues arising. If your team is spending more time chasing shipments than growing your business, it may be time to rethink your international shipping strategy. Talk to the team at SAMOS to discover how we can help streamline your supply chain, improve delivery performance and support your international growth. [\#](#content-frequently-asked-questions-on-supply-chain-bottlenecks "Permalink")Frequently Asked Questions On Supply Chain Bottlenecks --------------------------------------------------------------------------------------------------------------------------------------- **What causes international shipping delays?** International shipping delays can happen for a variety of reasons, including customs inspections, incomplete shipping documentation, border congestion, warehouse backlogs, carrier capacity issues and severe weather. While some delays are outside your control, many can be avoided with proactive supply chain management, accurate customs data and an experienced international shipping partner. **What is a supply chain bottleneck?** A supply chain bottleneck is any point where the movement of goods slows down or stops, preventing products from flowing efficiently from warehouse to customer. Common bottleneck issues include warehouse congestion, customs delays, poor shipment visibility and inefficient carrier handovers. **How can ecommerce businesses reduce supply chain issues?** Reducing supply chain issues starts with strong planning and visibility. Ecommerce businesses can improve delivery performance by automating warehouse processes, ensuring customs documentation is accurate, using real-time shipment tracking, strengthening carrier networks and partnering with logistics experts who understand international ecommerce shipping. **How can customs delays be avoided?** Although customs delays can't always be prevented, they can often be minimised by submitting complete and accurate customs documentation before goods reach the border. Correct HS codes, Delivery Duty Paid (DDP) shipping, digital customs declarations and staying up to date with changing regulations all help speed up customs clearance. ![Picture of Simon Perkins](https://fls-a23386ec-a833-4d54-8bab-79a51619651d.laravel.cloud/129/conversions/TBA41DHHU-UB8G6TW2C-a6e01c7f48ad-512-main.jpg) Simon Perkins Commercial Director at SAMOS - [7 Hidden Bottlenecks Slowing Your International Ecommerce Deliveries (And How to Avoid Them)](#content-7-hidden-bottlenecks-slowing-your-international-ecommerce-deliveries-and-how-to-avoid-them) - [What is a supply chain bottleneck?](#content-what-is-a-supply-chain-bottleneck) - [Frequently Asked Questions On Supply Chain Bottlenecks](#content-frequently-asked-questions-on-supply-chain-bottlenecks) 14th August 2026 Updated 9 hours ago Share this article - [Share on Facebook]() - [Share on WhatsApp]() - [Share on LinkedIn]() - Copy Link Who is SAMOS? ------------- SAMOS is parcel logistics company based in London, specialising in creating and engineering customer-focussed e-commerce parcel delivery and returns solutions. [Find out more about SAMOS ](/about-samos) What our customers are saying ------------------------------ SAMOS customers had difficulties shipping into the EU and beyond - until they found SAMOS. [Read more about our customers ](/customer-stories) How to contact SAMOS -------------------- Need more help or do you have any questions for us? Talk to us Why not try shipping with SAMOS? -------------------------------- Request a demo to learn more about how SAMOS can help you ship directly to your customers. 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Here’s how growing footwear brands can scale globally more effectively. ![Picture of Simon Perkins](https://fls-a23386ec-a833-4d54-8bab-79a51619651d.laravel.cloud/129/conversions/TBA41DHHU-UB8G6TW2C-a6e01c7f48ad-512-main.jpg) Simon Perkins Commercial Director at SAMOS Footer ------ ### Services - [Parcel Delivery ](/services/parcel-delivery) - [Parcel Returns ](/services/parcel-returns) - [All Integrations ](/services/integrations) - [Parcel Tracking ](/services/parcel-tracking) - [Shipping to the EU](/services/parcel-delivery/europe) - [Shipping fragrances & cosmetics to the EU](/blog/eu-shipping/problems-shipping-cosmetics-and-fragrances-across-the-eu-your-solution) - [Learn about IOSS for EU Shipping ](/blog/ioss) ### Integrations - [Shopify](/services/integrations/shopify) - [Shipstation](/services/integrations/shipstation) - [Linnworks](/services/integrations/linnworks) - [Mintsoft](/services/integrations/mintsoft) - [WooCommerce](/services/integrations/woocommerce) - [Shiptheory](/services/integrations/shiptheory) - [Despatch Cloud](/services/integrations/despatch-cloud) - [Magento](/services/integrations/magento) - [Pimento](/services/integrations/pimento) ### Company - [About SAMOS ](/about-samos) - [Customer Stories ](/customer-stories) - [Shipping Rates ](/pricing/samos-shipping-rates) - [Return Rates ](/pricing/samos-return-rates) - [Request a Demo ](/request-a-demo) - [Sustainability ](/resources/sustainability) - [Resources ](/resources) - [Contact Us ](/contact-us) ### Terms & Conditions - [Website T&Cs ](/website-terms-and-conditions) - [Privacy & Cookies ](/privacy-and-cookie-policy) - [Shipping T&Cs ](/shipping-terms-and-conditions) [Facebook](https://www.facebook.com/samos.ecom/)[LinkedIn](https://www.linkedin.com/company/samos-e-commerce/)[Instagram](https://www.instagram.com/samosecommerce/?hl=en)[YouTube](https://youtube.com/@samose-commerce4997?si=rqZ4UmQ6V1we6Kuk) © 2026 SAMOS e-commerce LTD