Migrating from Salesforce to HubSpot: what enterprise teams need to know

Enterprise CRM conversations used to start with capability. They now start with cost.

Licensing has crept up year on year; add-on sprawl has quietly doubled the size of many stacks, and the administrative overhead of keeping a deeply customised Salesforce instance running has become a line item that CFOs are asking hard questions about.

At the same time, HubSpot's Enterprise tier has closed the capability gap for front-office CRM: custom objects, business units, field-level permissions, advanced calculated properties, partitioning, and Breeze AI.  The question for CROs and IT leaders in 2026 is no longer whether HubSpot can support an enterprise front office.

The question is whether Salesforce's complexity still justifies its cost, and whether the path forward is a full migration or something more pragmatic.

This guide is for enterprise teams weighing that decision. It covers both routes: a full Salesforce-to-HubSpot migration, and the increasingly common middle path of keeping Salesforce CRM in place while adopting HubSpot for marketing (and sometimes service).

It draws on Huble's work with enterprise clients like Avison Young, where migration was part of a wider platform consolidation.

Migration is transformation, not replication

The biggest mistake enterprise teams make is treating a CRM migration as a lift-and-shift. Recreating Salesforce architecture inside HubSpot usually produces an over-engineered system that frustrates users and reproduces the problems that prompted the move in the first place.

A migration is an opportunity to rebuild around how the business should actually work. Most enterprise Salesforce instances carry 30–50% legacy debt; obsolete fields, duplicated objects, automations nobody can explain, picklists that no longer map to how the business is run.

Migrating that debt into HubSpot defeats the purpose.

The better approach: start with the end state. Define the revenue workflows your teams need — lead capture through to renewal — and design the HubSpot architecture around those.

Let HubSpot's native functionality do the heavy lifting where it can, and reserve custom development for genuine gaps, not legacy habits.

What's different in 2026: HubSpot's Enterprise tier now supports the architectural complexity that previously required Salesforce — custom objects, business units, field-level permissions, advanced calculated properties, partitioning, native AI (Breeze), and API extensibility. The question is no longer 'Can HubSpot handle enterprise?' It's 'Is Salesforce's complexity worth its cost for how we actually work today?'

You don't have to migrate everything: the Salesforce CRM + HubSpot Marketing Hub path

Full migration isn't the only option, and for some enterprises, it isn't the right one.

If your Salesforce CRM is deeply embedded in quote-to-cash, connected to revenue-recognition systems, or tied to an industry cloud (Financial Services Cloud, Health Cloud), the cost and risk of replacing it can outweigh the benefit — especially when the real friction is in marketing, not sales.

A growing share of Huble's enterprise clients take a different path: keep Salesforce as the system of record for sales, and add HubSpot Marketing Hub (and often Service Hub) on top.

Salesforce and HubSpot have a mature native two-way sync, so leads, contacts, accounts, opportunities, and custom objects flow between the two platforms without middleware.

This model works well when:

• The marketing team needs speed and agility that the Salesforce Marketing Cloud / Pardot stack can't deliver, or the campaign build is bottlenecked by IT.
• Sales operations are working as they are, and the cost of reimplementing them on a new platform is hard to justify.
• Service and support have their own roadmap, and forcing a simultaneous migration would put the customer experience at risk.
• Leadership wants to de-risk the change: prove HubSpot works in one domain before making a bigger commitment.

The tradeoffs are real. Two platforms mean two sources of truth, and the sync design — which object is canonical, how conflicts are resolved, which team owns which fields — needs to be explicit, not assumed. Reporting has to be stitched together deliberately.

And the total cost of ownership only improves if the HubSpot side genuinely replaces tooling elsewhere, rather than being bolted on.

But when it's designed well, the coexistence model lets marketing move at HubSpot speed without touching the sales platform. For many enterprises, that is the right answer for the next two to three years, and if a full migration eventually makes sense, a well-built integration makes that easier, not harder.

From our migration work: Huble is a HubSpot-exclusive partner — we don't implement Salesforce. But we work frequently with enterprises where Salesforce CRM stays in place, and HubSpot owns marketing, often services too. Our job in those engagements is the HubSpot side, the integration design, and making sure the data contract between the two platforms is clear and maintainable. 

Why enterprise teams are re-evaluating Salesforce

The decision to migrate, or to add HubSpot alongside Salesforce, is rarely caused by one factor.

It's usually a mix of rising costs, low adoption, and a rigid architecture that makes simple changes expensive. A few patterns recur.

Total cost of ownership keeps climbing

Licensing is just the start. Many enterprise Salesforce instances need paid add-ons for features HubSpot includes natively, like marketing automation, CMS, and advanced reporting.

Layer in a dedicated Salesforce administrator (or a consulting partner on retainer) and the gap widens further.

HubSpot's bundled model, with free seats for view-only users, tends to reduce the total cost of ownership meaningfully for organisations with large non-selling teams who still need CRM visibility.

Adoption is concentrated in sales

Salesforce was built for sales, and adoption often stays there. Marketing and service teams frequently use parallel, disconnected systems, leading to fragmented data and duplicated work.

In HubSpot's unified architecture, marketing, sales, and service share the same data model and the same contact timeline. It solves the fragmentation without middleware.

Customisation has become technical debt

Flexibility can become a liability. Over time, conflicting validation rules and undocumented automations make minor changes risky and expensive.

Many organisations end up paying consultants simply to maintain the status quo, with no budget left for the improvements they actually need.

The five phases of an enterprise Salesforce migration

Every enterprise migration is unique, but the structure is consistent.

Huble delivers enterprise HubSpot implementations, including Salesforce migrations, through a five-phase methodology, with documentation running as a horizontal thread across every phase to preserve clarity, consistency, and control from kick-off to go-live.

Phase 1: Onboarding and Discovery

Before any data moves, the project team builds a solid understanding of the challenge, the scope of work, and the organisational context.

A Project Manager is assigned, the delivery team is resourced from the relevant specialist pods, and a formal client kick-off aligns stakeholders on schedule, project plan, and governance.

Governance is established here, not later. A Steering Committee forms with key departmental leaders, regional heads, and the Huble Project Manager, Consultant, Solution Architect, and Account Director. The committee meets biweekly to drive the project, resolve escalations, and authorise pivots.

A Risk Register is set up at the same time, covering probability, impact, priority, ownership, planned response, and the constraints and assumptions framing the work (PESTLE). For a Salesforce migration, this is where stakeholder alignment is built — not assumed.

Phase 2: Process Engineering and Strategy

This is where the migration stops being a technology project and becomes a transformation. The phase has three named outputs: Business Process Mapping (BPM), System Architecture, and a Solution Presentation and Sign-Off that closes the phase.

BPM documents both the current and future state of front-office processes across marketing, sales, and service — not just what teams do today, but the best-practice design aligned to HubSpot's capabilities and your operating model at scale.

Deliverables include BPMN documentation and a Lifecycle Stage and Lead Status Mapping that defines how Salesforce Leads and Contacts consolidate into HubSpot's unified Contact object.

System Architecture looks at the full front-office tech stack, not HubSpot alone. It defines how systems integrate, where data should flow, and what becomes the operational and analytical source of truth, including how HubSpot connects into back-office platforms like ERP and finance.

Deliverables include an Entity Relationship Diagram (ERD), system workflow diagrams, and a context diagram showing the end-state integration topology.

Nothing is built until the Solution Presentation and Sign-Off. This is a hard approval gate: the proposed solution is presented, the client signs off on process design, architecture, and configuration, and only then does build start.

Phase 3: Implementation

With the blueprint signed off, the build phase takes the approved design into the HubSpot portal. Four named workstreams run in this phase, often in parallel.

System Setup configures each Hub in line with the solution design: tools, permissions, data structures, pipelines, automations, and system behaviours. Best-practice configuration is applied across Marketing, Sales, Service, and Operations Hubs.

Integrations (custom) and Marketplace Apps (native) connect HubSpot to the wider stack. Huble's custom integration process runs through assessment, internal planning, consulting, data-flow and ERD mapping, data-quality review and transformation rules, object-and-property mapping, build in a sandbox, UAT in the test environment, and phased go-live with post-launch monitoring.

Data Migration moves legacy data — Salesforce and other systems — into HubSpot cleanly. The process covers system assessment, data-quality review, transformation and standardisation rules, object-and-property mapping to HubSpot's data model, test loads in a controlled environment, refinement with the client team, final migration, and post-load validation against reporting, automation, and user-adoption requirements.

Client UAT and Sign-Off close the phase. Huble offers two UAT models — Basic Client UAT (client-led testing with light consultant support) and Comprehensive Client UAT (full consultant-led testing, guided client walkthroughs, formal feedback triage, multiple remediation cycles, and stakeholder showcase sessions).

The choice depends on in-house capability and the complexity of the migration. Rushing UAT to hit a launch date is one of the most common and most expensive shortcuts in CRM projects.

 Enterprise-specific consideration: Organisations with multiple business units or regional entities need to decide whether to maintain separate pipelines or consolidate. HubSpot's business units and partitioning support both models, but the choice has downstream implications for reporting, permissions, and automation that should be resolved during System Architecture in Phase 2, not discovered during UAT. 

Phase 4: Training and Change Management

Technical perfection fails if users don't adopt the tool. Huble treats training as a formal phase, not a post-launch afterthought and the approach is explicitly designed to drive adoption, not just familiarity.

Training Material Development produces presentation decks aligned to how the HubSpot portal has been configured to support marketing, sales, and service processes. A CRM Governance Guide and Standard Operating Procedures (SOPs) are developed as the reference material for the client's internal HubSpot Administrator.

Training itself is delivered in small, role-specific groups, drawing on behavioural science and light-touch gamification to build lasting habits rather than one-off system familiarity.

For multinational migrations, training is delivered across time zones, in multiple languages, and calibrated for different levels of CRM maturity across regional teams.

Adoption success is measured, not assumed. Huble tracks rep-based metrics (active users, deals created, meetings booked, win rate) and system-based metrics (deal velocity, average lead response time, time in stage, re-engagement rates), and sets SMART goals at project kick-off that are reviewed against actual performance.

Phase 5: Hypercare and Close Out

Go-live is not the finish line. Phase 5 runs for approximately three months after launch and covers five named steps: Acceptance (formal confirmation that project objectives have been fulfilled), Hypercare (close support from lead consultants and technical leads while users embed the new system),

Financial Closure (final budget reconciliation and invoice settlement), Document Handover (the full documentation set produced across all phases transfers to the client), and a Retrospective (project team review capturing achievements, challenges, and insights).

After Hypercare, clients typically either close out the engagement or continue with Huble Flex, an ongoing continuous-improvement model built on the SPARK framework (Survey, Plan, Activate, Realise, Keep Improving).

Huble Flex maintains a 92%+ retention rate, not because clients are locked in, but because CRM value compounds post-launch when someone is actively optimising for it.

What to look for in a migration partner

An enterprise Salesforce migration isn't a DIY project, and it's not a job for a generalist agency that does HubSpot, among other things.

The right partner combines deep Salesforce fluency with native HubSpot expertise, enterprise governance credentials, and a track record at the scale and complexity your organisation requires.

Dual-platform fluency

Your partner’s team should include people who have worked extensively in both Salesforce and HubSpot. They need to understand Apex, Process Builder, and Salesforce’s object model well enough to assess what you’re leaving behind, and HubSpot’s architecture well enough to design what comes next. Without both, critical data and logic get lost in translation.

Enterprise governance and compliance

If your organisation operates in a regulated industry or if your procurement team requires vendor compliance certifications, your partner’s security posture matters. ISO/IEC 27001:2022 and ISO 9001:2015 certifications provide independently audited assurance that the partner handles data, processes, and quality management to international standards.

This removes a significant procurement blocker, particularly for enterprises in financial services, healthcare, and manufacturing.

Global delivery capability

If your Salesforce instance serves multiple regions, your migration partner needs genuine international reach, not outsourced subcontractors. Multi-language training, timezone-aligned support, and experience with multi-entity CRM architectures are baseline requirements for global rollouts.

A partner operating as a single entity across regions ensures methodological consistency, which matters when you’re deploying to EMEA, North America, and APAC simultaneously.

Huble holds both certifications across all seven business locations, which removes a significant procurement blocker for enterprises in financial services, healthcare, and manufacturing.

Depth in the HubSpot ecosystem

Enterprise CRM migrations are as much about the platform's future roadmap as its current feature set. Look for partners who are embedded in HubSpot's development, not just resellers of it.

Huble is a member of HubSpot's Partner Advisory Council, helping shape the platform's direction; holds nine HubSpot certifications (one of the highest counts in the ecosystem globally); and has more than 15 years of HubSpot implementation expertise.

Huble was named HubSpot's 2024 Global Partner of the Year.

Post-migration commitment

Go-live is not the finish line. The first 90 days after migration reveal gaps that testing couldn't surface: edge cases in automation, reporting requests from leadership, and adoption friction in specific teams.

The best migration partners offer structured post-launch support, not ad hoc ticket-based responses, but an embedded model that includes ongoing optimisation, strategic guidance, and access to cross-functional specialists as needs evolve.

This is the difference between a one-off project and a lasting transformation, and it's the reason Huble built the Flex retainer model, which maintains a 92%+ client retention rate on retainer.

Common questions from enterprise migration teams

How long does an enterprise Salesforce-to-HubSpot migration take?

Timeline depends on the complexity of your Salesforce instance, the number of integrations, and the scope of process redesign. A focused migration for a single business unit with a clean data set can be completed in 8–12 weeks.

A multi-region, multi-entity migration with significant process transformation typically runs 4–9 months. The critical variable isn't usually the technology — it's stakeholder alignment and data readiness.

Do we have to migrate our sales CRM, or can we keep Salesforce and add HubSpot for marketing?

You can absolutely keep Salesforce as the sales CRM and add HubSpot Marketing Hub (and often Service Hub) on top. This is a common pattern in enterprises where Salesforce is deeply embedded in quote-to-cash or industry-specific processes, but marketing needs more speed and agility than the current stack delivers.

The native two-way sync between Salesforce and HubSpot makes this a viable long-term architecture, provided the integration design, data ownership, and reporting model are defined upfront, not assumed.

Will we lose historical data?

Not if the migration is planned correctly. Most record data — contacts, companies, deals, activities — migrates cleanly. Engagement history (email opens, form submissions, page views) requires more deliberate handling because it's often stored differently between platforms.

The key is a clear data strategy that defines what migrates to the active CRM, what gets archived, and what gets retired. A test migration with a representative data set validates that nothing critical is lost before the full cutover.

Can HubSpot handle what Salesforce handles for us?

In most enterprise front-office scenarios, yes. HubSpot's Enterprise tier supports custom objects, advanced automation via Operations Hub, calculated properties, partitioning, business units, and API extensibility that cover the vast majority of use cases.

Where Salesforce's edge persists is in highly specialised back-office or industry-specific configurations — Salesforce Health Cloud, Financial Services Cloud. For front-office CRM (marketing, sales, and service operations that drive revenue), HubSpot is not just comparable; many teams find it more efficient once they're past the transition.

What happens if our migration partner disappears after go-live?

This is a legitimate concern and one of the most important questions to ask during partner evaluation. Many agencies treat implementation as a defined project with a clear end date.

That works if your CRM needs are static, but they never are. Look for partners with a formal post-implementation support model, published retention metrics, and an embedded consultancy approach rather than a project-based one.

Huble's Hypercare phase runs for approximately three months post go-live, and the optional Huble Flex retainer extends that relationship indefinitely on a continuous-improvement basis.

Is now the right time to switch?

If you're approaching a Salesforce renewal, consolidating systems after an acquisition, or hitting a ceiling on adoption and ROI, the answer is almost certainly yes and if full migration feels too big a step, the coexistence path is worth serious consideration.

The organisations that get the most value from a platform change are the ones that plan it proactively, not the ones who wait until frustration boils over and then rush the transition under pressure.

Making the move count

Migrating from Salesforce to HubSpot, or adding HubSpot alongside Salesforce, is one of the highest-impact CRM decisions an enterprise team can make.

Done well, it reduces cost, accelerates adoption, unifies your front-office operations, and gives your teams a platform they'll actually use. Done poorly, it replicates old problems in a new wrapper and erodes trust in the process.

The difference comes down to approach. Treat the decision as a strategic transformation, not a technical project. Invest in data readiness and process redesign before touching a single record. And choose a partner who combines deep platform expertise with enterprise governance, global reach, and a genuine commitment to what happens after go-live.

Huble is HubSpot's 2024 Global Partner of the Year, a Triple Elite Partner and Partner Advisory Council member, operating across offices in the UK, Germany, Belgium, the USA, Canada, Singapore, and South Africa, with ISO 27001:2022 and ISO 9001:2015 certifications across every location.

We run a dedicated Salesforce-to-HubSpot migration practice and work equally well with enterprises that keep Salesforce in place and adopt HubSpot for marketing or service.

If you're at the evaluation stage, we offer a free Salesforce-to-HubSpot diagnostic assessment: we'll review your current environment, scope the options (full migration or coexistence), estimate timeline and investment, and help you build the business case.

Ready to explore what's possible? Book a call with our CRM migration team.