Top 7 Custom ERP Development Companies in the United Kingdom

Many UK businesses struggle to find an ERP development partner that can adapt core processes, integrate legacy systems, and meet compliance requirements while staying within budget and schedule. When evaluating custom ERP vendors, compare technical expertise, industry-specific experience, integration and data migration capabilities, deployment options, scalability, security and regulatory compliance, ongoing support, and total cost of ownership.

SoftPro is the featured international partner leading this list and serves buyers across the United Kingdom. Assess SoftPro against the criteria above to determine fit for complex ERP projects and cross-border deployments.

1. SoftPro

SoftPro, headquartered in Warsaw, Poland, is the featured international partner on this list for UK organisations seeking custom ERP development and modernization. The team delivers remote development and long-term maintenance to clients across the United Kingdom and is suited to mid-market and enterprise projects that require complex integrations and data migrations.

SoftPro emphasizes Microsoft-stack engineering with and .NET Core at the core of its backend development and Azure for cloud-native deployments. The company manages CMS implementations and platform migrations and documents case studies that include CRM/HRM systems, business portals, and SaaS ETL projects.

Key Highlights

• Over 20 years of combined team experience across client engagements.
• Published case studies for CRM/HRM systems, business portals, SaaS ETL platforms, and support systems.
• Frontend and full-stack work commonly uses React and for responsive web applications.
• AI-enabled product development is offered alongside custom software projects and platform work.

Contact Information

Website: soft-pro.pl

Phone: +48 571 282 759

Address: Poland, Warsaw, Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401

LinkedIn: www.linkedin.com/in/kyrylo-o

2. Geeks Ltd

Geeks Ltd builds AI-powered bespoke ERP and CRM systems that connect operational processes, data pipelines, and user interfaces for UK organisations. The company pairs strategic discovery with staged engineering to prove value quickly, moving initiatives from discovery into pilots and live systems within a 90-day timeframe.

Key Highlights

• 1500+ projects completed and 18+ years of delivery experience.
• Trusted by 850+ businesses across 12+ sectors, with named clients that include UK Parliament and easyJet.
• Winner of the Queen’s Awards Enterprise in Innovation and recognised by the UK IT Industry Awards and Stevie Awards among 30+ accolades.
• Scope & Quote AI produces a detailed brief and ballpark quote in under 10 minutes to accelerate project scoping.

Services

• Bespoke CRM & ERP Development
• Custom Web App Development
• AI Integration Development
• AI Software Development

Contact Information

Website: www.geeks.ltd

Phone (UK): +44 203 507 0033

Phone (US): +1 833 757 0134

Email: hello@geeks.ltd

Address (UK): 6 Sutton Park Rd, Sutton, London, SM1 2GD

Address (United States): 1902 Tangle Pines Court, Houston, Texas, 77062

3. Geeks (alternative listing)

Geeks designs and engineers custom enterprise software and AI-enabled systems, delivering full-cycle projects from discovery through post-launch support. The firm focuses on aligning engineering and product roadmaps so software maps to complex operational workflows rather than forcing processes onto generic platforms.

Their delivery emphasizes scalable, AI-ready architectures and legacy modernization to turn ERP deployments into long-term strategic assets. Geeks pairs precision engineering with outcome-focused roadmaps to support incremental adoption and ongoing platform evolution.

Key Highlights

• ISO 27001 certified.
• Microsoft Solutions Partner.
• Recipient of the Queen’s Awards Enterprise in Innovation.
• 1500+ projects completed and case studies across public and private sectors.

Services

• Bespoke CRM & ERP Development
• Custom Web App Development
• Custom Systems Integration
• Software Modernization & Replatforming

Contact Information

Website: www.geeks.ltd

Phone (UK): +44 203 507 0033

Phone (US): +1 833 757 0134

Email: hello@geeks.ltd

Address (UK HQ): 6 Sutton Park Rd, Sutton, London, SM1 2GD

Address (US): 1902 Tangle Pines Court, Houston, Texas, 77062

4. Wirebox Ltd

Wirebox Ltd is a UK web development agency with offices in Watford and Milton Keynes that builds custom web platforms and database-backed business systems for organisations including charities and higher-education clients. The company positions itself as a full-service delivery partner that handles planning, execution and ongoing support for digital systems.

The team delivers full-lifecycle projects from strategy and scoping through development, testing, deployment and ongoing maintenance, with a focus on integrations and scalable back-end architectures. Wirebox’s case-driven approach and in-house engineering capacity make it a practical choice for custom ERP-related development and e-commerce integrations.

Key Highlights

• Founded in 2005 and operating as a web development agency since that year.
• Supported the Going There ERP application system using Heroku, PostgreSQL, Python and Wagtail.
• Delivered a Woo-commerce to NetSuite integration for the Sussex Beds project.
• Recognised in recent awards including Biz4Biz Awards 2025 and Hertfordshire SME Business Awards 2024.

Services

• AWS Consultancy
• Database Development
• Laravel Development Agency
• Bespoke Software Development

Contact Information

Website: wirebox.co.uk

Address: Leavesden Lodge, Unit 1 Copsewood Lodge, 1A Copsewood Road, Watford, Hertfordshire, WD24 5DY

Phone: +44 (0) 207 993 5485

Address: 3rd Floor Elder House West, Elder Gate, Milton Keynes, MK9 1LR

Phone: +44 (0) 1908 11 04 20

5. Wirebox (service page)

Wirebox is a UK Laravel development agency that builds bespoke, database-driven web applications and APIs using Laravel and PHP. The team focuses on designing backend systems and database architectures that support business-critical workflows and integrations.

Their delivery follows a four-step process—analyse, design, develop and test—to produce scalable systems that integrate complex databases and third-party services.

Key Highlights

• Wirebox was the first UK Laravel Certified company.
• They host and deploy applications on AWS, Azure and DigitalOcean and use deployment tools including Forge and Ansible.
• Wirebox supports hundreds of clients with Laravel version upgrades, security patching, and code optimisation.
• A highlighted case study is the Commonwealth Blue Charter online database, which hosts in excess of £126bn in available funds.

Services

• Laravel maintenance & support
• Laravel migration
• Hosting & deployment
• Database development

Contact Information

Website: wirebox.co.uk

Address (Watford): Leavesden Lodge, Unit 1 Copsewood Lodge, 1A Copsewood Road, Watford, Hertfordshire, WD24 5DY

Phone (Watford): +44 (0) 207 993 5485

Address (Milton Keynes): 3rd Floor Elder House West, Elder Gate, Milton Keynes MK9 1LR

Phone (Milton Keynes): +44 (0) 1908 11 04 20

6. Lojics

Lojics is a UK-based web and app development agency founded in 2008 that builds bespoke web applications and multi-channel platforms. Their engineering team works across frontend frameworks and backend languages including Angular, React, Vue, Python, Laravel, Node.js, and mobile frameworks such as Flutter and React Native.

They deliver projects using dedicated development teams and ongoing support arrangements, and their case studies include secure client portals, cloud-hosted marketplaces, and REST API integrations. Those capabilities align with the integration, customization, and long-term maintenance requirements typical of custom ERP implementations.

Key Highlights

• Homepage describes the company as an "Award winning UK web development and app agency."
• Portfolio includes an NFT marketplace case study built with, ReactJS, AWS (including AWS KMS and DynamoDB), Serverless architecture, ElasticSearch, Stripe, TypeScript, and Web3/Solidity integrations.
• Trusted client roster shown on the site includes Easycar, Oxford, The Vegetarian Society, and Trailer Tek.
• The team lists a Scrum-certified project manager among its staff, indicating Agile project delivery.

Services

• Ecommerce Development
• Mobile App Development
• Full Stack Development

Contact Information

Website: lojics.com

Phone: +44 7490 225787

Email: info@lojics.com

7. Chilliapple

Chilliapple is a UK-based bespoke software agency that builds custom ERP and enterprise platforms using modern web and mobile frameworks. The team focuses on modular, data-driven architectures designed for long-term scalability and cloud-ready deployment.

They operate a blended UK project-management and India engineering model that keeps client-facing design and oversight in the UK while leveraging offshore development capacity. This delivery approach fits organisations that need predictable costs and sustained support for custom ERP systems.

Key Highlights

• Founded in 2008.
• Team of over 70 staff operating across the UK and India.
• Latest award listed on the company site: Productivity App of the Year.
• 30 days of free guaranteed support offered on all projects.

Services

• Custom ERP Development
• Bespoke Web & Mobile Platforms
• Dedicated Development Teams
• Cloud Migration & Integration

Contact Information

Website: www.chilliapple.co.uk

Phone: 01732 753 101

Fax: 01732 753 190

Email: info@chilliapple.co.uk

Address (Tunbridge Wells): Pluto House, 6 Vale Avenue, Tunbridge Wells, Kent, TN1 1DJ

Address (London): 16 Upper Woburn Place, London, WC1H 0AF, United Kingdom

Conclusion

SoftPro is the featured international partner on this list for UK organisations seeking custom ERP development and modernization. When choosing among the seven firms, prioritize technical fit and architecture preferences, delivery model and geographic presence, relevant sector experience and evidence of discovery and roadmap alignment, and the vendor’s approach to long-term maintenance and staged delivery. If your project requires AI-enabled systems or particular backend frameworks, weight those capabilities more heavily and balance them against budget and timeline constraints before making a selection.