Enterprise software has to do more than work well during a product demo. It must handle real workloads, connect with existing systems, protect sensitive data, and remain manageable as business requirements change. That makes choosing a development company less about finding the longest technology list and more about judging its experience with architecture, integrations, security, delivery control, and long-term support. This overview examines 16 companies with different approaches to building and modernizing complex business software.
1. Itexus
We provide enterprise software development services to companies across the UK, with a particular focus on financial systems and other products that operate in regulated environments. Our work covers digital banking platforms, trading and brokerage systems, investment software, payment products, lending solutions, insurance platforms, and internal financial tools. We handle both new development and the modernization of existing systems.
Our teams also work with complex integrations involving banking platforms, payment providers, KYC and AML services, market data feeds, brokers, exchanges, and older business systems. Projects may include architecture planning, cloud infrastructure, automated testing, security controls, AI features, and ongoing production support. For legacy software, we can update individual parts in stages instead of replacing the entire system at once.
Key Highlights:
- Enterprise development focused on financial services
- Experience with regulated and integration-heavy systems
- Support for new products and legacy modernization
- Structured requirements and architecture planning
- Security, testing, and compliance included in delivery
Services:
- Enterprise software development
- Legacy software modernization
- Banking and trading platform development
- Enterprise application integration
- AI consulting and implementation
- DevOps and cloud engineering
- Software support and maintenance
Contact Information:
- Website: itexus.com
- Email: [email protected]
- Address: 8, The Green, STE road, Dover, DE 19901, United States
- LinkedIn: www.linkedin.com/company/itexus
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- Instagram: www.instagram.com/itexus.soft
2. Andersen
Andersen works on custom enterprise software that brings different business functions into a connected system. Their teams develop project management tools, CRM and ERP systems, content platforms, business intelligence software, and other applications for large organizations. They have a representative office in London and provide software engineering services across several industries.
Projects usually move through discovery, interface design, engineering, testing, deployment, and support. Andersen also handles integrations, migrations, and updates to legacy systems. Depending on the use case, they can add cloud services, automation, AI, IoT, or data processing tools to the wider enterprise setup.
Key Highlights:
- Representative office in London
- Development for complex company-wide processes
- Full project cycle from discovery to support
- Legacy software and integration work
- Support for cloud and emerging technologies
Services:
- Custom enterprise software development
- Business analysis and solution architecture
- Web and mobile development
- Legacy system modernization
- Application integration and migration
- Quality assurance
- DevOps and ongoing support
Contact Information:
- Website: andersenlab.com
- E-mail: [email protected]
- Address: 1 St Katharine’s Way, 6th floor, London E1W 1YL, UK
- Phone: +44 207 048 6755
- Facebook: www.facebook.com/AndersenSoftwareDev
- Twitter: x.com/AndersenLabs
- LinkedIn: www.linkedin.com/company/andersen-lab
- Instagram: www.instagram.com/andersen.global
3. Vention
Vention provides enterprise software development and modernization services through their London office and nearshore engineering teams. They build systems such as ERP, CRM, finance, supply chain, analytics, HR, workflow, and document management platforms. Their work can begin with a new system or focus on improving software that is already in use.
They also connect enterprise applications with cloud platforms, older systems, and third-party services through APIs, middleware, and event-based integrations. Modernization projects may involve code refactoring, cloud migration, architecture changes, interface updates, and DevOps improvements. Their delivery options include full project development, product discovery, dedicated pod teams, and staff augmentation.
Key Highlights:
- London office and UK-based project support
- New enterprise development and system modernization
- Support for complex application and data integrations
- Several engagement models for different project needs
- Ongoing engineering and maintenance services
Services:
- Enterprise software consulting
- Bespoke enterprise software development
- Enterprise software modernization
- Application integration
- AI enablement
- Data engineering and business intelligence
- Engineering support and maintenance
Contact Information:
- Website: ventionteams.com
- E-mail: [email protected]
- Twitter: x.com/ventionteams
- LinkedIn: www.linkedin.com/company/ventionteams
- Instagram: www.instagram.com/ventionteams
- Address: 30 Churchill Place, E14 5RE, London
- Phone: +442071172842
4. Itransition
Itransition develop custom enterprise software for large and mid-sized organizations, with a UK office in London. Their work covers ERP, CRM, document management, HR, learning, inventory, accounting, business process management, and analytics systems. They build new applications around a company’s workflows and can also extend software with custom modules.
When an existing system needs attention, they provide technical audits, migration, integration, maintenance, and modernization. Their teams can connect enterprise applications with other corporate systems, cloud services, and IoT devices. Security testing, access controls, data encryption, and quality assurance can also be included in the development process.
Key Highlights:
- UK office in London
- Custom systems for core business functions
- New development and legacy modernization
- Integration with corporate platforms and connected devices
- Support across the software lifecycle
Services:
- Enterprise software consulting
- Custom enterprise software development
- ERP and CRM development
- Software integration and migration
- Quality assurance and testing
- Legacy system modernization
- Maintenance and security services
Contact Information:
- Website: www.itransition.com
- E-mail: [email protected]
- Facebook: www.facebook.com/Itransition
- Twitter: x.com/itransition
- LinkedIn: www.linkedin.com/company/itransition
- Address: Office 3-01, 3rd Floor, 3 Shortlands, London, W6 8DA
- Phone: +44 7949 997 881
5. ELEKS
ELEKS build enterprise applications for organizations with complex operations and technical requirements. Their work includes custom ERP and CRM systems, integration solutions, cloud platforms, data tools, and software used in regulated or high-load environments. They manage the process from early research and product design through development, testing, deployment, and support.
A large part of their enterprise work involves updating older systems and improving the way business data moves between applications. They assess the current architecture before deciding whether to rehost, refactor, move, or rebuild the software. Their teams also add AI, automation, analytics, and connected device functions when these tools have a clear role in the wider system.
Key Highlights:
- Full-cycle enterprise application development
- Structured approach to legacy software modernization
- Experience with cloud, data, AI, and automation
- Security and compliance included in project planning
- Industry-focused engineering across several sectors
Services:
- Enterprise application development
- ERP and CRM consulting
- Legacy software modernization
- Cloud computing and migration
- Data engineering and business intelligence
- AI and intelligent automation
- Quality assurance and software support
Contact Information:
- Website: eleks.com
- Facebook: www.facebook.com/ELEKS.Software
- Twitter: x.com/ELEKSSoftware
- LinkedIn: www.linkedin.com/company/eleks
- Address: Moor Place, 1 Fore Street Avenue, London, United Kingdom, EC2Y 9DT
- Phone: +44-20-4583-0843
6. TatvaSoft
TatvaSoft provides enterprise software development from their London office, working with UK businesses on systems shaped around specific operating needs. Their teams develop workflow applications, business process tools, web platforms, cloud software, and other custom systems. Projects can cover planning, design, development, testing, deployment, and later maintenance.
They also update legacy applications through code changes, database migration, system integration, and architecture improvements. For companies using several separate tools, TatvaSoft connects applications and databases to support a more consistent flow of information. Their engagement options include complete project delivery, dedicated development teams, and fixed-price work.
Key Highlights:
- London office serving UK businesses
- Development based on company-specific requirements
- Full project delivery and dedicated team options
- Support for cloud and legacy environments
- Testing and maintenance included when required
Services:
- Enterprise software development
- Bespoke application development
- Enterprise application integration
- Application migration and re-engineering
- Cloud application development
- DevOps and quality assurance
- Maintenance and support
Contact Information:
- Website: www.tatvasoft.com
- Email: [email protected]
- LinkedIn: www.linkedin.com/company/tatvasoft
- Facebook: www.facebook.com/TatvaSoft
- Twitter: x.com/tatvasoft
- Address: 307, Euston Road, London NW1 3AD, United Kingdom
- Phone: +44 742 409 8452
7. Fingent
Fingent develops custom enterprise applications for UK businesses that need software built around their existing processes. Their work covers new applications as well as changes to software already in use. They focus on fitting the system into the wider business setup, including internal workflows, data, and other connected tools.
Their enterprise services also include application integration, cloud solutions, mobile access, analytics, and legacy system modernization. This allows them to work on separate technical issues or manage a broader update involving several parts of an enterprise software environment.
Key Highlights:
- Enterprise software services for UK businesses
- Development based on internal workflows
- New applications and legacy system updates
- Integration across existing business systems
- Support for cloud, mobile, and data needs
Services:
- Custom enterprise application development
- Enterprise application integration
- Enterprise mobility solutions
- Cloud solutions
- Legacy system modernization
- Data analytics and business intelligence
Contact Information:
- Website: www.fingent.com
- E-mail: [email protected]
- Facebook: www.facebook.com/Fingent
- Twitter: x.com/fingent
- LinkedIn: www.linkedin.com/company/fingent-technologies
- Instagram: www.instagram.com/fingentcorporation
- Phone: +1 (914) 615-9170
- Address: 235 Mamaroneck Ave Ste 301, White Plains, NY 10605, USA
8. A-listware
A-listware develops enterprise software around the internal processes and operating needs of each organization. Their work includes systems for project management, finance, document handling, compliance, data analysis, customer service, inventory, HR, and communication. They can take responsibility for a complete development cycle or provide a separate team for part of an existing project.
Their process covers planning, business analysis, architecture, interface design, development, testing, deployment, and maintenance. They also modernize older applications and build cloud-based systems when existing software has become difficult to maintain or extend. Their cooperation models include full project outsourcing, dedicated development teams, and team augmentation.
Key Highlights:
- UK office in St. Leonards-On-Sea
- Development based on specific business processes
- Full-cycle and team-based cooperation models
- Experience across different business functions and industries
- Continued support after deployment
Services:
- Enterprise software development
- Custom software development
- Software product development
- Cloud application development
- Legacy software modernization
- Software consulting
- Support and maintenance
Contact Information:
- Website: a-listware.com
- Email: [email protected]
- LinkedIn: www.linkedin.com/company/a-listware
- Facebook: www.facebook.com/alistware
- Address: St. Leonards-On-Sea, TN37 7TA, UK
- Phone: +44 (0)142 439 01 40
9. Appinventiv
Appinventiv develops enterprise software for organizations that need to connect complex systems, update older infrastructure, or introduce new digital tools. Their work is aimed at software used in real business conditions, where security, stability, and the ability to grow matter more than adding isolated features.
They combine application development with architecture, data engineering, and AI integration. Their enterprise work can include rebuilding legacy systems, bringing separate applications together, and developing platforms that support internal operations. They also consider compliance and system performance during development.
Key Highlights:
- Focus on complex enterprise software environments
- Legacy infrastructure re-engineering
- Integration of separate systems and data
- Security and compliance considerations
- AI included where it supports a practical business need
Services:
- Enterprise software development
- Legacy system modernization
- Application and system integration
- Software architecture
- Data engineering
- AI development and integration
- Enterprise platform development
Contact Information:
- Website: appinventiv.com
- Twitter: x.com/appinventiv
- LinkedIn: www.linkedin.com/company/appinventiv
- Instagram: www.instagram.com/appinventiv
- Address: 3rd Floor, 86-90 Paul Street, EC2A 4NE, London, UK
- Phone: +44-753-900-0641
10. Tiksom
Tiksom are based in Manchester and develop enterprise software for UK businesses across fintech, healthcare, education, travel, ecommerce, and other sectors. Their work includes custom business systems, web platforms, mobile applications, analytics tools, and software that automates internal processes. They also connect separate applications where teams need a more consistent flow of data.
Their development process moves from requirements and system planning to design, development, testing, deployment, and ongoing improvement. Tiksom also provide cloud engineering, cybersecurity, quality assurance, and maintenance. Companies can work with them through fixed-price projects, dedicated teams, milestone-based delivery, or more flexible arrangements.
Key Highlights:
- Headquartered in Manchester
- Enterprise systems built around business workflows
- Web, mobile, cloud, and data capabilities
- Application integration and process automation
- Several project and team engagement models
Services:
- Custom enterprise software development
- Enterprise web development
- Enterprise mobile application development
- Business intelligence and analytics
- Software integration
- DevOps and automation
- Cybersecurity and quality assurance
- Maintenance and support
Contact Information:
- Website: www.tiksom.co.uk
- Email: [email protected]
- LinkedIn: www.linkedin.com/company/tiksomlimited
- Facebook: www.facebook.com/tiksomlimited
- Twitter: x.com/tiksomlimited
- Instagram: www.instagram.com/tiksomlimited
- Address: 651 Mauldeth Road West Chorlton, Manchester, England, M21 7SA
- Phone: +44 (0) 161 604 9631
11. Virva Infotech
Virva Infotech develops enterprise software for UK organizations that need to manage complex processes across several departments. Their work covers ERP and CRM platforms, internal portals, reporting systems, SaaS products, mobile applications, and ecommerce software. These systems can bring finance, inventory, HR, procurement, customer data, and other business functions into one environment.
They also build APIs and integrations for connecting existing applications, cloud services, payment tools, and older software. Projects begin with business and technical discovery before moving into architecture, interface design, development, testing, and deployment. After launch, they can continue with monitoring, system updates, and performance improvements.
Key Highlights:
- Enterprise development for UK businesses
- ERP, CRM, and business management systems
- Support for multi-user and multi-department software
- Integration with existing and third-party platforms
- Security and GDPR considered during development
Services:
- Custom enterprise software development
- ERP and business management systems
- Enterprise web applications
- Enterprise mobile applications
- System integration and API development
- Cloud-based business software
- Testing, maintenance, and support
Contact Information:
- Website: www.virvainfotech.co.uk
- E-mail: [email protected]
- Facebook: www.facebook.com/virvainfotechofficial
- Twitter: x.com/Virva_Infotech
- LinkedIn: www.linkedin.com/company/virva-infotech
- Instagram: www.instagram.com/virvainfotech
- Address: 60 Tottenham Court Road, Suite 7187a, Fitzrovia, London W1T 2EW, United Kingdom
- Phone: +44 203 432 3984
12. N-iX
N-iX provides enterprise software engineering through their UK office and wider delivery network. They work on applications that support large-scale operations, where stability, security, integration, and regulatory requirements need to be considered from the start. Their teams handle new application development, product engineering, and changes to existing enterprise systems.
Much of their work involves cloud platforms, data infrastructure, business intelligence, legacy modernization, and AI implementation. They can connect new software with on-premises and cloud systems while using structured development, testing, and release processes. Their experience also covers enterprise environments in finance, manufacturing, retail, logistics, agriculture, and other industries.
Key Highlights:
- UK office and enterprise delivery capabilities
- Experience with complex and regulated systems
- Focus on architecture, integration, and reliability
- Cloud, data, security, and AI engineering
- Support for new development and legacy modernization
Services:
- Enterprise application development
- Software and product engineering
- Legacy software modernization
- Cloud solutions and services
- Data engineering and analytics
- AI consulting and implementation
- DevOps and CI/CD
- Enterprise system integration
Contact Information:
- Website: www.n-ix.com
- E-mail: [email protected]
- Facebook: www.facebook.com/N.iX.Company
- Twitter: x.com/N_iX_Global
- LinkedIn: www.linkedin.com/company/n-ix
- Address: London, EC3A 7BA, 6 Bevis Marks
- Phone: +442037407669
13. Intellectsoft
Intellectsoft develops enterprise software for organizations with complex workflows, data needs, and integration requirements. Their work includes custom business platforms, ERP and CRM systems, enterprise mobile applications, data management tools, and cloud-based software. They can build a system from scratch or modernize an existing application that has become difficult to maintain.
Their projects begin with discovery, business analysis, and architecture planning before moving into design, development, testing, and deployment. Intellectsoft also connects software used by different departments through APIs, middleware, and event-based architecture. After launch, they can provide monitoring, issue resolution, security updates, and performance improvements.
Key Highlights:
- Enterprise development for complex business environments
- Architecture and integration planning before development
- Experience with cloud and on-premises deployments
- Support for regulated and data-heavy systems
- Continued engineering after launch
Services:
- Custom enterprise software development
- Enterprise application development
- ERP and CRM development
- Enterprise mobility
- Data management and business intelligence
- Software integration
- Application support and maintenance
Contact Information:
- Website: www.intellectsoft.net
- E-mail: [email protected]
- Facebook: www.facebook.com/Intellectsoft
- Twitter: x.com/Intellectsoft
- LinkedIn: www.linkedin.com/company/intellectsoft
- Address: 500 Fashion Ave Fl 8A, New York City, NY 10018, USA
- Phone: +44 20 3887 0078
14. Vegavid
Vegavid provides enterprise software development services to organizations across the UK, including companies in finance, healthcare, retail, manufacturing, logistics, and the public sector. They build ERP, CRM, HR, supply chain, analytics, accounting, project management, and workflow automation systems. Their approach is based on modular software that can be extended as business requirements change.
They also modernize legacy applications, move systems to cloud environments, and connect separate tools and data sources. Projects can include AI, blockchain, IoT, or analytics when these technologies serve a specific operational need. Their process covers discovery, planning, design, development, testing, deployment, integration, and ongoing support.
Key Highlights:
- Enterprise development services across the UK
- Custom systems for several business functions
- Cloud migration and legacy modernization
- Integration with existing tools and data sources
- Development planned around security and compliance
Services:
- Custom enterprise software development
- ERP development and integration
- CRM development
- SaaS product development
- AI and data analytics
- Enterprise blockchain solutions
- Cloud migration and modernization
- Support and optimization
Contact Information:
- Website: vegavid.com
- E-mail: [email protected]
- Facebook: www.facebook.com/VegavidTech
- Twitter: x.com/VegavidOfficial
- LinkedIn: www.linkedin.com/company/vegavid-technology
15. Zinavo
Zinavo is a UK-based software company with a London office. They develop enterprise systems for organizations that need to manage complex workflows, data, users, and integrations in one environment. Their work includes custom ERP and CRM platforms, internal management systems, enterprise portals, SaaS products, and workflow automation tools.
Their process starts with an audit of the current workflows and technical setup, followed by architecture planning, interface design, backend development, testing, and deployment. Zinavo also modernizes older systems and connects enterprise software with payment services, third-party tools, and existing business applications. Maintenance and further feature development are available after launch.
Key Highlights:
- UK headquarters in London
- Software built around company-specific workflows
- API-based system and data integration
- Role-based access and cloud infrastructure
- Support for new systems and legacy modernization
Services:
- Custom enterprise application development
- ERP and CRM development
- SaaS platform development
- Enterprise portal development
- API and system integration
- Workflow automation
- Legacy system modernization
- Ongoing support and optimization
Contact Information:
- Website: www.zinavo.co.uk
- E-mail: [email protected]
- Facebook: www.facebook.com/zinavolimited
- LinkedIn: www.linkedin.com/company/zinavolimited
- Instagram: www.instagram.com/zinavo_uk
- Address: Zinavo Limited, 128 City Road, London, EC1V 2NX.
- Phone: +447723466672
16. Techwiser Solutions
Techwiser Solutions operate from Hounslow and develop enterprise software for UK organizations managing several departments and business processes. Their systems are designed to bring finance, HR, reporting, communication, customer information, and other operational data into a shared platform. This can reduce the need for separate tools and repeated manual work.
Before development, they review how teams interact and where problems occur in the existing process. The project then moves through requirement analysis, solution design, development, testing, deployment, and support. Their enterprise software can also connect with ERP, CRM, and third-party applications while allowing new users, modules, and tools to be added over time.
Key Highlights:
- Based in Hounslow, UK
- Centralized systems for multi-department operations
- Development based on existing business processes
- Integration with ERP, CRM, and third-party tools
- Ongoing maintenance after deployment
Services:
- Enterprise software solutions
- Custom software development
- Web application development
- System integration
- Solution architecture
- Quality assurance
- Deployment and technical support
- Software maintenance and updates
Contact Information:
- Website: techwisersolutions.co.uk
- E-mail: [email protected]
- Facebook: www.facebook.com/p/Techwiser-Solutions-LTD-61558616251882
- LinkedIn: www.linkedin.com/company/techwiser-solutions-ltd
- Instagram: www.instagram.com/techwiser_solutions_ltd
- Address: Suite 207 , Second Floor Jolyon House Amberley Way Hounslow TW4 6BH
- Phone: +44 20 8377 5533
Conclusion
The right enterprise software partner depends on what is actually making the business harder to run. One company may be suited to replacing a legacy platform, while another may be a better fit for ERP development, cloud migration, complex integrations, or long-term engineering support. Before comparing proposals, it helps to define the workflows involved, the systems that must stay connected, and the security or compliance requirements that cannot be treated as an afterthought.
The 16 companies in this list approach enterprise development from different angles, so there is no single choice that fits every project. A sensible shortlist should consider relevant project experience, technical planning, communication, and how the team handles software after launch. Enterprise systems tend to stay around for years, and that makes maintainability, documentation, and a realistic support plan just as important as the first release.