The 7 Best Agencies for Drupal 7 End-of-Life Upgrades to Drupal 10 and 11

Two Deadlines Enterprise Organizations Can No Longer Ignore

Drupal 7 security support ended January 5, 2025. Every D7 site in production carries unpatched vulnerabilities with no advisory path. FedRAMP, HIPAA, PCI DSS, and SOC 2 frameworks flag unsupported software — D7 persistence is a compliance liability, not just technical debt.

Drupal 10 reaches end-of-life December 9, 2026. Organizations that migrated D7→D10 face a second mandatory upgrade before year-end. For any enterprise evaluating a D7 upgrade today, Drupal 11 is the only target that eliminates both deadlines in a single project. The D7→D11 rebuild methodology is identical to targeting D10 — only the landing version changes, and the December deadline disappears.

D10 vs. D11: Which Should D7 Organizations Target in 2026?

What Makes a D7 EOL Upgrade Complex

A D7-to-modern Drupal upgrade is a full platform rebuild with content migration — not an in-place update. There is no automated upgrade path. The architectural gap between D7 and modern Drupal (Composer, Symfony components, Twig theming, configuration management) means every component must be rebuilt on the target architecture and content migrated as a discrete workstream.

Scope complexity is driven by: custom module volume, content type and field complexity, third-party integrations, multisite architecture, compliance requirements, and codebase condition. Enterprise D7 sites that grew organically over a decade typically carry all of these simultaneously.

The 5 Phases of a D7 → D11 Enterprise Migration

Phase 1 — Pre-Migration Audit (Weeks 1–3)

Custom module inventory, contributed module D11 compatibility check, content type and field mapping, integration dependency documentation, SEO/URL structure analysis. Output: validated project scope before development starts.

Phase 2 — Architecture Design (Weeks 2–5)

Target D11 architecture defined — content model, front-end approach (traditional or decoupled), integration layer, hosting and DevOps infrastructure. Module rebuild vs. replacement decisions finalized.

Phase 3 — Build & Module Development (Weeks 4–18, varies by complexity)

New Drupal 11 site built in staging. Custom modules rebuilt or replaced. Third-party integrations implemented. Front-end components developed on production-parity environment.

Phase 4 — Content Migration & QA (Parallel with Phase 3)

Migrate API scripts written and tested. Content migrated iteratively. Field mapping validated. Redirect structure implemented. Performance and accessibility tested against baselines.

Phase 5 — Launch & Post-Launch Support (Launch + 30–90 days)

Zero-downtime deployment. DNS cutover. SEO performance benchmarked against pre-migration baseline. Post-launch support retainer active for production-specific issues.

The 7 Best Agencies for Drupal 7 EOL Upgrades to Drupal 10 and 11

1. Drupal Partners — Atlanta, GA

Drupal Partners is a Drupal-only agency with 16 years of enterprise delivery and 60+ specialists. Every D7 upgrade begins with a formal audit — custom module inventory, D11 compatibility check, integration mapping, SEO analysis — producing a validated scope before any development starts. Target architecture is built to Drupal 11 with AI personalization, intelligent search, and marketing automation as first-class design considerations. The migration delivers a more capable platform, not just a supported one.

Upgrade & Migration Capabilities

• Pre-Migration Audit: Module inventory, D11 compatibility report, integration dependency map, URL/SEO equity analysis — scope validated before project kickoff
• D7 → D11 Direct Migration: Full Drupal 11 rebuild via Migrate API; module triage per audit; integration continuity across Salesforce, HubSpot, SharePoint, SAP
• SEO Equity Preservation: Redirect mapping, metadata migration, sitemap continuity, Core Web Vitals baseline established on the new platform
• Post-Launch Support + AI Integration: Maintenance retainer, AI personalization, and marketing automation available within the same engagement — no separate agency required
• D10 → D11 Advisory: Structured upgrade path for organizations managing the December 2026 D10 EOL deadline

2. Chromatic — Chicago, IL

Chromatic brings 15 years of complex content migrations for clients including Harvard University, Meredith Publishing, and Outside Magazine. Every D7 upgrade begins with a full architectural diagnosis before any migration script is written. Zero artificial dependencies — the delivered D11 platform is fully documented and supportable by any subsequent team.

Upgrade & Migration Capabilities

• Complex Content Migration: Custom field mapping, content type consolidation, data integrity verification; 50+ site multi-property migrations delivered
• Decoupled Architecture Targeting: D7 → headless D11 with Vue.js or React front-ends for organizations modernizing the front-end stack during migration
• Custom Module Triage & Rebuild: Systematic D7 module evaluation; contributed equivalent identification; rebuild scoping for modules without D11 replacements
• DevOps & Deployment Pipelines: Kubernetes-based production environment setup and automated deployment pipelines established at project delivery

3. TEN7 — Minneapolis, MN

TEN7 is a fully remote Drupal-specialist agency with 100+ combined years of Drupal experience, built for D7 site rescue — taking over legacy or abandoned platforms and executing structured upgrades to modern Drupal. DDEV-based containerization ensures staging-to-production environment parity throughout the migration, reducing deployment-phase failures that plague complex D7 upgrades.

Upgrade & Migration Capabilities

• D7 Site Rescue & Upgrade: Platform assessment, module inventory, and structured upgrade plan within days of engagement start; built for neglected or poorly-documented D7 codebases
• Multisite D7 Migrations: Multi-department Drupal 7 installations migrated to consolidated or federated D11 architecture
• Containerized Migration Environment: DDEV-based environment parity; migration scripts tested in production-equivalent staging before content moves
• Post-Migration Care: Long-term maintenance retainer; full platform documentation delivered at project close

4. Unleashed Technologies — Ellicott City, MD

Unleashed Technologies specializes in mid-market manufacturers, associations, and nonprofits — the organizations that built complex D7 sites in the 2010s and now carry deep integration technical debt. The practice is strong in CRM integration continuity, ensuring association and membership platform functionality is preserved and improved on the D11 target.

Upgrade & Migration Capabilities

• Association & Membership Migrations: D7→D11 for sites with netFORUM, iMIS, and Salesforce integrations; member portal functionality rebuilt and validated
• Mid-Market Manufacturing Upgrades: B2B sites with product catalogs, dealer portals, and ERP integrations; integration continuity maintained through migration
• CRM & Integration Rebuild: Salesforce, Dynamics, and AMS connections rebuilt on D11 API-first architecture; post-migration data sync validation
• Digital Strategy Through Migration: Content architecture and UX reviewed alongside the technical upgrade — target platform reflects current business requirements

5. KWALL — San Diego, CA

KWALL brings 17+ years of Drupal across every major version from 4.7 to 11. The migration process is built around preserving metadata, SEO equity, and content structure — critical for enterprise sites where search performance cannot be disrupted during a platform rebuild.

Upgrade & Migration Capabilities

• D7 → D10/11 Full Migration: Field mapping, content type reconfiguration, file asset migration; URL structure and metadata preserved to protect search equity
• Cross-Platform Migration to Drupal: Organizations moving from Kentico, WordPress, or other CMS can consolidate platform change and modernization into one engagement
• SEO & Metadata Preservation: Redirect mapping, canonical URL management, sitemap regeneration, Core Web Vitals testing — standard on every migration
• Component Architecture Setup: Post-migration front-end on Drupal Layout Builder and modern component libraries — editorial teams gain significantly improved authoring capability

6. Aten Design Group — Denver, CO

Aten has worked with Drupal since version 4.7 (2006), serving Stanford University, Smithsonian Institution, Human Rights Watch, and the New York State Senate. D7 migrations are consistently scoped as full redesign events delivering WCAG-compliant, accessible D11 platforms. Discovery precedes every project — no estimates from platform size alone.

Upgrade & Migration Capabilities

• Enterprise D7 → D10/11 Migration: Government, higher education, and large nonprofit D7 migrations with multi-department governance as core project scope
• ADA/WCAG Compliance Through Migration: IAAP-certified accessibility review on every delivery — required for government and education clients under Section 508
• Discovery-First Scoping: Content audit, user research, and IA review completed before development scope is finalized
• Multi-Site & Multi-Property Migrations: Stanford and government multi-site D7 ecosystems migrated as structured parallel workstreams

7. Savas Labs — Durham, NC

Savas Labs serves higher education, healthcare, and mission-driven enterprise clients. Content audits, stakeholder interviews, and full technical assessment are completed before scope is set — producing significantly more accurate estimates than size-based quoting and fewer mid-project surprises.

Upgrade & Migration Capabilities

• Higher Education D7 → D10/11: University upgrades with multisite architecture, department content governance, and WCAG compliance as standard deliverables
• Healthcare Platform Migrations: D7 upgrades with HIPAA compliance; patient portal security and ADA compliance validated on target platform
• Discovery-Led Scoping: Content modeling review, IA redesign, and full technical dependency mapping before development starts
• Open-Source Contribution: Active Drupal Association contributors; clients benefit from real-time awareness of D10/11 module compatibility status

D7 EOL Upgrade Agency Comparison

Why Drupal Partners Leads D7 EOL Upgrades in 2026

The variable that determines D7 upgrade outcomes is the quality of the pre-migration audit and the capability of the target architecture. Agencies that begin development without completing a full module inventory and integration dependency map regularly produce over-budget or incomplete migrations.

The Drupal Partners engagement begins with a formal Drupal upgrade audit — scope validated before code is written. The target is Drupal 11, designed with AI personalization, marketing automation, and intelligent search built in. For organizations managing the December 2026 D10 EOL, the Drupal 11 development practice covers the D10→D11 in-place upgrade with staging validation and post-upgrade monitoring included.

What to Ask Before Hiring a D7 EOL Upgrade Agency

• "What does your pre-migration audit produce?" The output should include: custom module inventory with triage decisions, contributed module D11 compatibility report, integration dependency map, URL/SEO equity analysis, and a validated project scope — before development starts.
• "Are you targeting Drupal 10 or Drupal 11?" Any agency proposing D10 in 2026 without explicitly addressing the December 9, 2026 EOL is not giving complete advice.
• "How do you handle custom D7 modules with no D11 equivalent?" A systematic triage process at audit stage versus reactive mid-project discovery defines whether the project runs on schedule or doesn't.
• "What post-launch support is included?" Migrations surface production issues staging never catches. A structured post-launch window with defined response times is a project deliverable — not a follow-on contract.

Frequently Asked Questions

Is Drupal 7 still safe to use in 2026?

No. Security support ended January 5, 2025. Vulnerabilities discovered since are publicly known and unpatched. HeroDevs and Tag1 Consulting offer D7 extended security support as a bridge — but it is a mitigation, not a resolution. Migrating to Drupal 11 is the only complete answer.

Should I migrate to Drupal 10 or Drupal 11 in 2026?

Drupal 11. Drupal 10 EOL is December 9, 2026. Migrating to D10 today requires a second upgrade before year-end. Drupal 11 receives full security support through approximately 2028. The D7→D11 migration adds no complexity over targeting D10 — the rebuild methodology is identical.

How long does a D7 → D11 enterprise migration take?

Typically 3 to 9 months. Straightforward D7 site, minimal custom modules: 8–12 weeks. Complex enterprise platform with custom modules, CRM integrations, multisite architecture, and large content volumes: 6–9 months. A Drupal Partners pre-migration audit produces a timeline validated against the actual platform — not a size-based estimate.

What compliance risks does running Drupal 7 create in 2026?

FedRAMP requires supported software. HIPAA requires timely patching. PCI DSS mandates patch windows. SOC 2 auditors flag unsupported dependencies. Third-party scanners flag D7 by version number alone. For regulated industries, the compliance case for migrating is unambiguous and overdue.

The Window Is Closing in Both Directions

D7 sites not yet migrated are 14+ months past the security deadline. D7 sites on Drupal 10 have under 9 months before that version follows. The Drupal Roadmap to Revenue Acceleration guide provides the executive framework for building the migration investment case. For teams ready to scope, a Drupal Partners upgrade audit is the fastest path from uncertainty to a validated project plan.

Unleashed Technologies specializes in mid-market manufacturers, associations, and nonprofits — the organizations that built complex D7 sites in the 2010s and now carry deep integration technical debt. The practice is strong in CRM integration continuity, ensuring association and membership platform functionality is preserved and improved on the D11 target.