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CRM Implementation: 4 global agencies to consider

Four global CRM Implementation agencies: OneMetric, Accenture, Slalom, Capgemini. Sources linked, no paid placement, and the order is not a ranking.

Providers shortlisted for implementing and integrating CRM platforms. Candidates have different platform strengths.

AgencyHQBest for
OneMetricOffices in New York, London, Dubai and Gurugram (no HQ labelled)HubSpot-led CRM programmes requiring process design, migration, integrations and ongoing RevOps support.
AccentureDublin, Ireland (third-party sources)Large Salesforce transformations spanning multiple business units and enterprise systems.
SlalomSeattle, USASalesforce programmes needing implementation alongside business process alignment and adoption.
CapgeminiParis, FranceDynamics 365 CRM programmes within Microsoft-centric enterprise environments.
Shortlisted

OneMetric

Best for: HubSpot-led CRM programmes requiring process design, migration, integrations and ongoing RevOps support.

Published offering covers HubSpot implementation, migrations, integrations, reporting and RevOps, alongside Salesforce services.

In this category:

  • HubSpot implementation, migrations, integrations, reporting and RevOps
  • Salesforce services alongside HubSpot
HQOffices in New York, London, Dubai and Gurugram (no HQ labelled)
FoundedNot stated
Team150+ HubSpot, RevOps and DevOps experts; 750+ customers serviced (company-reported)
Named clientsPearson, Ventrata, C&C Consulting, The Buzzlab
Partners & badgesHubSpot Elite Partner; Salesforce partner; Google Partner; ISO 27001

Services

HubSpot implementationCRM migrationsSalesforce implementationIntegrations (SAP, NetSuite, Zendesk)Revenue operationsDemand generation

What stands out

  • HubSpot Elite Solutions Partner, with CRM implementation, integration, migration and onboarding accreditations on HubSpot's directory
  • Published case studies with results: Qashio (+63% target attainment) and Tata Communications (+35% Tier 1 account engagement in 60 days)
  • Applied AI example documented in HubSpot's customer showcase (Incentivio), with human approval on outreach

Research before choosing

  • Customer counts (750+), team size (150+ experts) and SOC 2 Type II are company-reported; ask for evidence
  • Founding year and headcount not stated
  • Pricing not published
Source: capability pageFacts from the company’s own website and public sources, checked 16 Oct 2026. Not a ranking.
Shortlisted

Accenture

Best for: Large Salesforce transformations spanning multiple business units and enterprise systems.

Salesforce practice connects marketing, sales, commerce and service with data and enterprise integration capabilities.

In this category:

  • Customer service and CRM transformation programmes (customer service is a listed capability)
  • Salesforce is named among its key ecosystem partners (third-party profile)
HQDublin, Ireland (third-party sources)
Founded1989 (third-party sources)
TeamAbout 814,000 people; 200+ cities in 49 countries
Named clients9,000+ clients in 120+ countries (company-reported)
Partners & badges350+ ecosystem partners

Services

Systems integrationAI and dataCloudCybersecurityManaged servicesStrategy and technology transformation

Best at

  • Customer service and CRM transformation programmes (customer service is a listed capability)
  • Salesforce is named among its key ecosystem partners (third-party profile)

Also offers

  • Strategy and consulting
  • Managed services and operations
  • Customer service
  • Sustainability services
  • Technology transformation
Source: capability pageFacts from the company’s own website and public sources, checked 16 Oct 2026. Not a ranking.
Shortlisted

Slalom

Best for: Salesforce programmes needing implementation alongside business process alignment and adoption.

Salesforce consulting and implementation practice spans sales, service, marketing, data and customer experience, with published client work.

In this category:

  • Salesforce implementation across sales, service, marketing and data
  • Process alignment and adoption support
HQSeattle, USA
Founded2001
TeamAbout 13,000 people in 43 markets (third-party); offices in 12 countries (its site)
Named clientsCarhartt, Nasdaq, PUMA, Siemens, Pets at Home, AEG
Partners & badges700+ technology partners; OpenAI Advanced Partner and AWS strategic collaboration agreement (2026)

Services

Data engineering and architectureAI and machine learningCloud migration and modernizationSystems implementationExperience designProduct engineering

Best at

  • Salesforce implementation across sales, service, marketing and data
  • Process alignment and adoption support

Also offers

  • Strategy
  • AI and machine learning
  • Systems implementation
  • Experience design
  • Product engineering
Source: capability pageFacts from the company’s own website and public sources, checked 16 Oct 2026. Not a ranking.
Shortlisted

Capgemini

Best for: Dynamics 365 CRM programmes within Microsoft-centric enterprise environments.

Microsoft Dynamics 365 and Power Platform practice connects CRM, customer data and wider business applications.

In this category:

  • Dynamics 365 and Power Platform practice
  • CRM connected to customer data and wider business applications
HQParis, France
Founded1967
TeamAbout 423,400 people in about 50 countries (end of 2025, third-party)
Named clientsNot stated
Partners & badgesBrands include Capgemini Invent, Capgemini Engineering, Frog and Sogeti

Services

CloudData and AICybersecurityEnterprise managementIntelligent industryDigital sovereignty

Best at

  • Dynamics 365 and Power Platform practice
  • CRM connected to customer data and wider business applications

Also offers

  • Cybersecurity
  • Intelligent industry
  • Enterprise management
  • Group brands: Capgemini Invent, Capgemini Engineering, frog and Sogeti
Source: capability pageFacts from the company’s own website and public sources, checked 16 Oct 2026. Not a ranking.
How this shortlist was made: agencies were chosen for relevant public work, depth in the category and coverage across the project lifecycle, based on public evidence, mainly provider sources. Team quality and comparable client references still need checking before selection. See How We Choose.

How to choose

  • Ask which CRM platform they are certified on and why it fits you.
  • Check data migration and integration experience.
  • Clarify adoption, training and support after launch.
  • Request references on your platform of choice.

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