**About this file** This Markdown is an auto-generated, plain-text snapshot of one page on mertosolutions.com. Use it to paste context into an AI assistant. Visual layout, images, and interactive elements exist only on the live site - see **Canonical** below. **Page:** Merto Software Solutions | Custom Software & API Integrations UK **Description:** Merto builds custom software, API integrations and AI automation for UK businesses. Stop losing time to systems that do not talk. Get a free assessment. **Canonical:** https://mertosolutions.com/ --- Software development partner for businesses # Stop losing time to systems that don't talk to each other We fix that. We build **[custom software](/custom-software-development)** , **[API integrations](/api-integrations)** , and **[system integrations](/technology-consulting)** for businesses that are tired of clunky workarounds and manual processes. Our job is to connect your tools, automate the repetitive work, and give your team back the time to focus on what actually grows the business. API Integrations Amazon SP-API Technology Consulting Custom Software Mobile Apps Get a Free Business Assessment See our solutions Why we started Merto ## We believe your team's time is too valuable to spend on work software should handle When your systems don't connect, your people pay the price. Every manual export, every duplicate data entry, every spreadsheet workaround is a tax on the business you're trying to grow. We close that gap. Custom software development, API integrations, and AI-powered automation , built specifically for your business, so the manual work disappears and your team gets back to what matters. 50+ teams worldwide decided their time was worth more than manual workarounds. Merto Software (often confused with ‘Metro Software’) is a UK-based software development company that provides cutting-edge software and IT solutions to businesses across the UK and worldwide. 50+ UK and global businesses growing with Merto Software Solutions From fast-growing startups to established brands ### Proven Results We measure success the same way you do: time saved, costs cut, and revenue grown. ### Partnership Approach We don't disappear after go-live. Your challenges become our challenges. ### Clarity, Not Surprises We speak plainly and keep you informed so you always know what's happening. ### Built to Scale We build for where you're going. Not just where you are. Our software development services ## Everything you need to stop working around broken tools We don't offer generic solutions. Every service is built around one goal: removing the operational friction that's stopping your business from scaling. ### API Integration Services We connect your tools so information flows automatically, and your team stops doing work a computer could handle. - Real-time data sync across business systems - Eliminate double-entry with smart workflows - Secure API authentication and monitoring - Connect CRMs, ERPs, ecommerce platforms and more Explore API integration -> ### Amazon SP-API Integration Selling on Amazon should be a growth channel, not a second job. We handle the full complexity of Amazon's Selling Partner API so you can manage orders, inventory and shipping without the chaos. - OneClickShipment and shipping label creation - Orders, inventory and fulfilment sync - Automated Amazon SP-API compliance handling - Proven workflows built for growing businesses Explore Amazon integration -> ### AI Automation for Business You shouldn't need a team of five to do the work one smart system could handle. We build practical AI tools that take on your repetitive tasks so your people focus on decisions that actually need them. - AI chatbots and virtual assistants for customer service - Automated document processing and data extraction - Business workflow automation tools - Affordable AI prototyping and rapid deployment Explore AI automation -> ### Technology Consulting Bad technology decisions are expensive, and most happen because no one asked the right questions early enough. We give you an honest, independent view of your tech and a clear plan to improve it. - Independent technology stack reviews - Software architecture roadmaps and future-proofing - Security, compliance and data handling guidance - ROI-focused discovery workshops before any work begins Explore tech consulting -> ### Custom Software Development Off-the-shelf software is built for everyone, which means it's built for no one in particular. When your processes are unique, your software should be too. We build exactly what you need and nothing you don't. - Bespoke web applications for your processes - Legacy system modernisation and data migration - Scalable, secure and easy-to-maintain builds - Built to grow with you, not replaced when you do Explore custom software -> ### Mobile App Development Your customers and field teams are mobile. Your software should be too. We build iOS and Android apps from a single codebase, designed to work beautifully even without a signal. - iOS and Android apps from one codebase - Offline-first design for field and remote teams - User-friendly interfaces customers actually love - Enterprise-ready mobile app distribution and support Explore mobile apps -> Trusted by businesses across the UK and beyond ## Don't just take our word for it From fast-growing startups to established brands, we partner with teams that are done settling for software that holds them back. How we work ## A clearer way to build, ship, and scale We designed our process around one belief: great outcomes happen when there's no confusion about what's being built, why, or when. From the first conversation to long-term support, one consistent process. No handoffs, no surprises. 1 Discover Your Challenges We identify what's costing you time and money so we're solving the right problem from day one. 2 Design Your Solution Clear scope, realistic timelines, plain-English documentation, no waffle. 3 Build and Deliver Regular updates throughout the build so you're never left wondering what's happening. 4 Launch and Ongoing Support We go live with you and provide long-term software support as your business grows. 1 of 4 ### Discover Your Challenges We identify what's slowing down your business and costing you money. This isn't a sales call. It's a genuine diagnostic. We ask the hard questions, challenge assumptions, and leave you with clarity on exactly what's holding you back, whether you work with us or not. Get a free assessment -> Explore solutions -> Testimonials ## What our clients say Real feedback from teams we've built software and websites for across the UK. 50+ ### Successful businesses growing with Merto Software Solutions “Amazing software services” Custom Software DevelopmentWeb Application DevelopmentProfessional. Insightful. Friendly. Working with Merto has been a pleasure. I look forward to continuing our working relationship. Highly recommend. Daniel Abbott Manging Director, Stort Mill Recycling Harlow, Essex UK ## Common questions, answered honestly No waffle, no spin. Real answers to what business owners ask us most before we start working together. Book a free consultation -> What does a custom software development company do? + A custom software development company builds bespoke applications tailored to your specific business processes. Unlike off-the-shelf tools that make you adapt to them, custom software is built around exactly how your business works. At Merto, we handle everything from initial scoping and design through to build, testing, launch and ongoing support, for businesses of all sizes.How much does custom software development cost? + We're not the cheapest option and we're upfront about that. What we offer is software that's built properly, priced fairly and designed to grow with your business. No hidden costs and no commitment required to find out.How long does API integration take for a small business? + Simple API integrations between two business systems, like connecting your CRM to your ecommerce platform, can often go live within a few weeks. More complex integrations involving multiple platforms or sensitive data will take a little longer. We always agree on realistic timelines upfront before any work begins.Can you integrate Amazon SP-API with my existing systems? + Yes. Amazon SP-API integration is one of our specialisms. We connect your Amazon Seller account directly to your inventory, fulfilment, warehouse and shipping systems, handling the complex technical side so your team doesn't have to. We've built proven Amazon SP-API workflows for businesses of all sizes.What ongoing support do you provide after a software project goes live? + We offer flexible long-term software support packages that grow with your business. We monitor for issues, roll out improvements and add new features as your needs evolve. You won't be left to manage it on your own after launch. Ongoing support is a core part of how we work, not an afterthought.Do you build mobile apps? + Yes. We build iOS and Android apps that work on any device, keeping costs down without cutting corners. They're built to work reliably in the field, with or without a signal or internet connection. We've delivered mobile apps for field teams, customer-facing platforms and enterprise distribution worldwide.What we build with ## Built with _proven tools_ Our technology choices are driven by what's reliable and the right fit for your business, not what's fashionable. Web Platform Databases Cloud & DevOps Mobile Apps Other Frameworks Next.js React Js Typescript JavaScript Laravel CodeIgniter 4 PHP Express.js Angular PostgreSQL MySQL MongoDB SQLite Firebase Supabase AWS Azure Docker Google Cloud Firebase Supabase React Native Expo Swift Java Kotlin Flutter C++ Python NestJS Node.js Ready when you are ## Stop losing time to systems that don't work together Every week your team spends on workarounds is a week not spent growing. Our software development team connects your tools, automates the manual work, and gives you back the time to focus on what actually matters. Book a free consultation -> Explore solutions -> Free business assessment · No commitment required · Based in the UK