Custom software, web, mobile, AI and growth, working as one system.

Custom Software Development

123Digi is a UK custom software development company. We design and build bespoke software around your business processes, your team and your growth goals, so the technology fits the business instead of the other way round.

• Product discovery and scoping
• System architecture and data modelling
• UX and UI design
• Next.js and TypeScript engineering

• →Software that mirrors your real workflows instead of a generic template
• →Hours saved every week through automation and tighter data
• →A single source of truth for customers, jobs, orders and operations

Web Application Development

123Digi builds secure, scalable web applications for UK businesses. Dashboards, customer portals, booking systems and internal tools, designed around how your team actually works and engineered to run at real production scale.

• Discovery and product architecture
• UX flows and component design
• Next.js and TypeScript engineering
• API integrations and data modelling

• →One source of truth across customers, orders, jobs and operations
• →Faster customer journeys with far fewer support touches
• →Operational dashboards that surface the next action, not just the raw data

Mobile App Development

123Digi designs and builds modern iOS and Android mobile apps for UK businesses. Customer apps, staff apps and field-ops apps, engineered for real phones, real hands and real work outside the office.

• Mobile product strategy
• UX and UI design
• iOS and Android build (cross-platform or native)
• Offline mode and data sync

• →A branded mobile app your customers and staff actually want to open
• →Faster workflows on the road, on site and on shift
• →Real-time data instead of end-of-day paperwork and rekeying

AI Integration

123Digi is a UK AI integration company. We design practical AI chatbots, smart tools and workflow automations and wire them directly into your websites, apps and business systems, so AI earns its keep instead of sitting on a demo slide.

• AI strategy and use-case design
• LLM integrations (OpenAI, Anthropic, open source)
• AI chatbots for web and mobile
• Smart search and recommendations

• →24/7 intelligent support and sales responses for your customers
• →Faster internal workflows with AI-powered automation and drafting
• →Smarter search, recommendations and self-service for your website

Business Automation

123Digi automates UK businesses. We map the busywork, connect your tools and build the workflows, so your team stops moving data between systems and starts focusing on customers and growth.

• Process audit and mapping
• Automation roadmap
• CRM, ERP and accounting integrations
• Email, SMS and document automation

• →Hours saved every week across operations, sales and admin
• →Fewer data-entry errors and fewer lost handovers
• →Faster turnaround on enquiries, quotes and invoices

SEO & Social Media Marketing

123Digi runs SEO and social media marketing for UK businesses as one connected programme. Technical SEO, local SEO, content strategy and social campaigns, all measured against the enquiries and revenue that actually matter.

• Technical SEO audit and fixes
• Keyword and content strategy
• Local SEO and Google Business Profile
• Schema and structured data

• →Higher rankings on the search terms that actually drive revenue
• →Local pack visibility for every key location and service you offer
• →Consistent social content that earns attention and trust over time