Understanding the work
What does an enterprise software development company do?
An enterprise software development company designs, builds, integrates, and supports software for large organizations with many systems, many users, and formal security and procurement rules. Its work spans custom line-of-business applications, ERP and CRM extensions, integration platforms, data platforms, and legacy modernization, delivered inside the client's governance, architecture standards, and vendor management processes.
The difference is context. An enterprise program touches identity, finance, HR, and customer systems at once, must pass security review before coding starts, and runs alongside internal teams and other suppliers. Our software development company guide covers the basics that apply to any project; this page focuses on what changes at enterprise scale.
Enterprise software development is the design, build, integration, and long-term support of software that runs core processes across a large organization, where integration with existing systems, identity and access control, auditability, and governance across teams and vendors shape most decisions.
How this differs from related roles
Systems integrators mainly implement packaged platforms such as ERP suites. Staff augmentation firms supply engineers who work under your management. An enterprise software development company takes delivery responsibility for a defined scope, such as a product, platform, or set of integrations, inside your architecture and security standards.
Types of enterprise software work
Enterprise software work usually falls into seven categories: line-of-business systems, ERP extensions, integration platforms, legacy modernization, data platforms, internal portals, and AI features added to existing processes. Each has a different effort profile, and most large programs combine several of them, which is why integration and data work dominate many estimates.
| Type | Examples | What drives effort |
|---|---|---|
| Line-of-business systems | Claims handling, contract management, field service, procurement workflows | Business rules, roles and approvals, audit trails, reporting |
| ERP extensions | Custom apps and extensions around platforms such as SAP, Oracle, or Microsoft Dynamics 365 | Vendor extension models, upgrade safety, master data, finance controls |
| Integration platforms | API layers, event streams, partner and EDI gateways, iPaaS flows | Number of systems, data mapping, error handling, monitoring, versioning |
| Legacy modernization | Replacing mainframe or client-server apps, moving to cloud, breaking up monoliths | Undocumented logic, data migration, parallel running, cutover risk |
| Data platforms | Data warehouses and lakehouses, master data, operational reporting | Source quality, lineage, access policies, retention rules |
| Internal portals | Employee self-service, partner and dealer portals, knowledge hubs | Single sign-on, permissions, content ownership, accessibility |
| AI features | Document extraction, search over internal knowledge, drafting assistants inside existing tools | Data access controls, evaluation of output quality, human review, usage cost |
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Customer-facing CRM work has its own considerations, covered in our CRM software development guide. If the program includes moving workloads to the cloud, our guide to cloud migration consulting services explains assessment and wave planning.
Build, buy, or extend in an enterprise portfolio
Large organizations rarely face a pure build-or-buy choice. Most decisions are about extending an existing platform, configuring a new product, or building a custom layer between systems. Build where the process differentiates you, buy where it is standard, and extend only through supported extension points so upgrades stay possible.
| Option | Fits when | Watch for |
|---|---|---|
| Buy and configure | The process is common across your industry, such as payroll or expense management | Customization that blocks upgrades, per-user license growth |
| Extend a platform | Your ERP or CRM holds the data and only a gap needs filling | Unsupported modifications, platform-specific skills you may lack later |
| Build custom | The process is a differentiator or spans several systems no single product covers | Long-term ownership cost, the need for a permanent product team |
| Integrate only | Products fit but data does not flow | Point-to-point sprawl |
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Due diligence and governance
Vendor due diligence for an enterprise software development company
Enterprise due diligence checks whether a development firm can be trusted with your systems, data, and code. It covers security questionnaires, the SOC 2 report, ISO/IEC 27001:2022 certificate scope, secure development evidence such as SSDF alignment and an SBOM, financial stability, subcontractors, insurance, background checks, and where your data will be stored and accessed.
Procurement and security teams usually lead this work, but the business sponsor should read the findings. An enterprise software development company that passes a questionnaire but cannot explain how its engineers reach your production data is a risk regardless of its certificates.
| Item | What to check |
|---|---|
| Security questionnaire | Answers from named people, with evidence attached |
| SOC 2 report | Type 1 (design at a point in time) or Type 2 (operation over a period); exceptions; complementary user entity controls you must run; carved-out subservice organizations; a bridge letter for gaps since the period ended |
| ISO/IEC 27001:2022 certificate | Whether the certificate scope covers the delivery centers, teams, and services you are buying; the Statement of Applicability; the certification body and expiry date |
| Secure development evidence | Alignment with the NIST Secure Software Development Framework (SP 800-218), code review and dependency scanning practices, and willingness to sign a self-attestation |
| SBOM | A software bill of materials for deliverables, in a format such as SPDX or CycloneDX |
| Financial stability | Audited financials or credit reports and customer concentration |
| Subcontractors | Who else will touch your code or data, in which countries, and whether your approval is required |
| Insurance | Professional liability (errors and omissions), cyber liability, and general liability, with limits your risk team accepts |
| Background checks | Screening for staff with production or sensitive data access, consistent with local law where staff are located |
| Data residency | Where data is stored, processed, and accessed from, including support staff, backups, and test environments |
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Notes on standards and dates
The transition period from ISO/IEC 27001:2013 to the 2022 edition ended on October 31, 2025, so certificates you review now should reference the 2022 version. CISA released its Secure Software Development Attestation Form, based on the NIST SSDF, in March 2024 for producers selling to federal agencies. Federal policy has shifted since, so treat it as a template for your own request. NIST published SSDF version 1.1 as final and released a version 1.2 draft in December 2025.
NIST SP 800-161 Rev. 1 covers supplier cybersecurity risk more broadly, and many enterprises map vendor reviews to the NIST Cybersecurity Framework 2.0 (February 26, 2024). This is general information, not legal advice; confirm obligations with counsel.
Integration, identity, and multi-vendor delivery
Enterprise software lives or dies on integration and identity. Expect single sign-on through your identity provider using SAML 2.0 or OpenID Connect, automated user provisioning through SCIM, a defined source of truth for each data domain, and clear rules for how several vendors share environments, code, and on-call duties.
Identity requirements to state up front
- Single sign-on with your identity provider through SAML 2.0 or OpenID Connect, with no separate passwords.
- User provisioning and deprovisioning through SCIM, so leavers lose access the same day.
- Role-based access mapped to your groups, with an access review report for auditors.
- Audit logs that record who did what and when, exported to your security monitoring.
Working in a multi-vendor setup
Large programs often have one firm on the platform, another on integrations, and internal teams on data. Without shared rules, each vendor optimizes its own scope. Agree on one backlog, one code platform, shared review rules, a common definition of done, an integration owner who settles interface disputes, and a named lead for cross-vendor incidents. Our guide to cloud engineering services covers platform teams, landing zones, and infrastructure ownership in more depth.
Program governance and delivery oversight
Governance turns a vendor relationship into a controlled program. It typically includes a steering committee, a RACI that names who decides what, release governance and change advisory review, architecture review, delivery metrics such as the DORA measures, service level agreements, and a vendor management office that tracks performance, risk, and spend across suppliers.
| Element | Purpose | Good practice |
|---|---|---|
| Steering committee | Sets priorities, approves budget changes, resolves escalations | Business, IT, and vendor leads; decisions recorded |
| RACI | States who is responsible, accountable, consulted, and informed for each activity | One accountable party per activity, reviewed when scope changes |
| Release governance | Controls what goes to production and when | Automated checks first; human approval reserved for high-risk changes |
| Change advisory | Reviews changes to shared systems | Standard changes pre-approved to avoid a bottleneck |
| Architecture review | Keeps designs aligned with standards | Early review with lightweight decision records |
| DORA metrics | Measures delivery speed and stability | Change lead time, deployment frequency, change failure rate, and failed deployment recovery time, tracked as trends |
| SLAs and SLOs | Define support response and service reliability | Response targets by severity; service level objectives based on what users experience |
| Vendor management office | Oversees contracts, performance, and risk across suppliers | Scorecards, business reviews, and renewed due diligence |
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DORA's guidance warns against using these metrics to rank teams or vendors; use them to track each team's improvement. Ask every enterprise software development company on the program to report them the same way. Our pillar guide's section on engagement models explains how governance differs between fixed-scope projects and dedicated teams.
How large enterprise programs are delivered
Enterprise programs usually move from vendor onboarding and discovery into a foundation phase, then incremental releases with parallel running or phased cutover, and finally a handover or steady-state support. Each stage has security, architecture, and business sign-offs that add calendar time and need to be planned, not discovered.
- Vendor onboardingDue diligence, contracts, background checks, and access approvals. Start early; it often takes longer than expected.
- DiscoveryProcess mapping, system inventory, data domains, integration contracts, non-functional requirements, and a release plan.
- FoundationEnvironments, CI/CD pipelines, identity integration, logging, and the first end-to-end slice through every layer.
- Incremental releasesSmall batches behind feature flags, with security testing each time.
- Data migration and cutoverRehearsed migrations, reconciliation reports, and a rollback plan, often with legacy systems running in parallel.
- Hypercare and handoverA period of heightened support after go-live, followed by transition to internal teams or a support contract.
Decisions
What drives the cost of enterprise software development
Enterprise software costs are driven less by screens and features than by integrations, data migration, identity and security requirements, the number of vendors and teams that must coordinate, governance overhead, and the cost of running legacy and new systems side by side. A credible estimate itemizes each of these separately.
| Driver | Why it matters |
|---|---|
| Number and quality of integrations | Each system needs mapping, test access, error handling, and monitoring |
| Data migration | Cleanup, reconciliation, and rehearsal runs often take more effort than the new features |
| Security and compliance requirements | Reviews, penetration testing, logging, and evidence collection for auditors |
| Governance and coordination | Steering, change advisory, architecture review, and multi-vendor coordination consume senior time |
| Environment access and approvals | Waiting for accounts, firewall changes, and test data delays teams that are still being paid |
| Parallel running | Keeping the legacy system live during transition doubles some operating and support costs |
| Long-term ownership | Support, upgrades, security patches, and licenses continue for the life of the system |
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This guide does not quote prices; they vary widely by scope, location, and engagement model. Ask each enterprise software development company you shortlist to separate one-time build cost from recurring run cost so finance can compare bids fairly.
Contracts, knowledge transfer, and avoiding lock-in
Enterprise contracts usually pair a master services agreement with statements of work, a data processing agreement, and security schedules. The terms that matter most long term are ownership of code and documentation, access to repositories and cloud accounts, knowledge transfer obligations, and a transition assistance clause that keeps the vendor cooperating if you switch providers.
- Ownership: custom code, configurations, and documentation assigned to you; any reused vendor components licensed to you on clear terms.
- Your accounts: repositories, cloud subscriptions, CI/CD, and monitoring in your organization's name, with vendor access granted and revoked by you.
- Security schedule: your security requirements, breach notification duties, right to audit, and annual renewal of SOC 2 and certificate evidence.
- Knowledge transfer: architecture decision records, runbooks, and pairing sessions with your engineers during delivery, not only at the end.
- Transition assistance: priced cooperation at exit, including data export in open formats and a perpetual license to any vendor framework the system depends on.
The pillar guide's contracts section covers statements of work, acceptance, and warranty in general terms. This is general information, not legal advice; have counsel review your agreements.
How to choose an enterprise software development company
Choose an enterprise software development company by checking experience with similar systems and integrations at comparable scale, the evidence behind its security posture, how it works inside client governance and alongside other vendors, the stability of its team, and its approach to knowledge transfer. A paid discovery or pilot phase tests all of these before a long commitment.
Evaluation criteria
- Comparable programsWork of similar complexity, with the same kinds of platforms and integrations, and references from clients you can speak to directly.
- Security evidenceA current SOC 2 Type 2 report or ISO/IEC 27001:2022 certificate whose scope covers your work, plus secure development practices you can inspect.
- Integration depthEngineers who can explain how they handled identity, data ownership, and failure cases on past programs.
- Governance fitExperience working with steering committees, change advisory boards, architecture review, and other vendors.
- Team stabilityLow turnover on long engagements, named leads, and a bench for coverage.
- Exit readinessA knowledge transfer plan and documentation standards they will commit to in the contract.
Questions to ask an enterprise software development company
- Which parts of your organization are inside the scope of your ISO/IEC 27001 certificate, and which are not?
- What exceptions did your last SOC 2 report contain, and how did you fix them?
- Who are your subcontractors, and where will they access our data from?
- How have you worked with another vendor on a shared codebase, and how were disputes settled?
- What did the last client who replaced you receive at exit?
Red flags
- Certificates offered in place of the SOC 2 report itself, or a certificate scope that excludes the delivery team.
- Reluctance to name subcontractors or offshore locations.
- Insistence that code live in the vendor's repositories until final payment.
- A proprietary framework at the core of the design, with no license for you to keep it.
- Senior people in the pitch who disappear after contract signature.
If the program centers on a subscription product rather than internal systems, our SaaS software development guide is the better fit. Plants and supply chains bring their own constraints, covered in our manufacturing software development guide.
Reference
Enterprise software development company FAQs
What does an enterprise software development company do?
It designs, builds, integrates, and supports software for large organizations, such as line-of-business systems, ERP extensions, integration platforms, data platforms, and modernized legacy applications, while working within the client's security, architecture, and governance rules and often alongside internal teams and other vendors.
Is a SOC 2 report or an ISO 27001 certificate enough?
Neither is enough on its own. Read the SOC 2 report for its period, exceptions, and carved-out subservice organizations, and check that the ISO/IEC 27001:2022 certificate scope covers the teams doing your work. Then ask how engineers access your systems and data in practice.
Why ask an enterprise software development company for an SBOM?
A software bill of materials lists the open source and third-party components in what the vendor delivers. It helps your security team find affected systems quickly when a new vulnerability is disclosed and confirms that licenses are acceptable before the code goes live.
Should we use one vendor or several?
One enterprise software development company is simpler to govern; several reduce dependency and let you match skills to work. If you use several, set shared engineering standards, one backlog and code platform, an integration owner, and clear incident leadership before work starts.
What are DORA metrics and why do enterprises use them?
DORA metrics measure software delivery speed and stability through change lead time, deployment frequency, change failure rate, and failed deployment recovery time. Enterprises use them to see whether teams and vendors are improving over time, not to rank teams against each other.
How do we avoid lock-in with a development partner?
Keep repositories, cloud accounts, and pipelines in your name, own the code and documentation, require knowledge transfer during delivery, avoid proprietary frameworks you cannot license permanently, and include priced transition assistance in the contract.
Sources
- AICPA and CIMA, System and Organization Controls: SOC suite of services
- ISO, ISO/IEC 27001:2022 Information security management systems
- NIST, SP 800-218: Secure Software Development Framework (SSDF) Version 1.1
- CISA, Secure Software Development Attestation Form
- CISA, Software Bill of Materials (SBOM)
- NIST, SP 800-161 Rev. 1: Cybersecurity Supply Chain Risk Management Practices
- NIST, Cybersecurity Framework
- DORA, DORA's software delivery performance metrics
- IETF, RFC 7644: System for Cross-domain Identity Management (SCIM) Protocol
- OpenID Foundation, OpenID Connect Core 1.0
- OASIS, Security Assertion Markup Language (SAML) V2.0
- Google, Site Reliability Engineering: Service Level Objectives
About this guide
This guide is published by Crecso as an independent educational resource and is part of our software development guide. It names platforms, standards, and regulations as examples only, is not affiliated with any software vendor or development firm, and does not describe services offered by Crecso. It is not legal or regulatory advice.
Last reviewed on . If you spot something that has changed, please let us know through our contact page.