The best HubSpot CRM implementation agency is the one that builds a CRM environment your marketing and sales teams can actually use, connect to the rest of your stack, and scale. HubSpot software and implementation services are priced separately[1], so the partner you choose decides whether your subscription becomes a working revenue system or an expensive contact list. This guide compares seven agencies that support HubSpot CRM implementation, customization, migration, and integrations, and explains how to choose between them.
Implementing HubSpot is not the same as creating an account and importing contacts. A usable CRM needs a data model that fits how you sell, pipelines and lifecycle stages your team agrees on, clean records, and reporting that connects marketing activity to revenue.
That work has become harder as B2B marketing operations have grown more complex. Most teams now need sales, marketing, customer data, and reporting to sit in one connected system, and that system usually has to talk to accounting tools, ERPs, e-commerce platforms, and older software.
Companies that go looking for an implementation partner tend to run into the same problems:
This guide covers agencies that support HubSpot CRM implementation, customization, migration, and integrations. It starts with what a good partner should actually do, then compares seven options, then gives you a way to choose.
Set the evaluation criteria before you read any agency profile. These are the five areas to check.
Standard objects cover contacts, companies, deals, and tickets. When your business needs to track something else, such as inventory, subscriptions, or projects, HubSpot lets you define custom objects. They are specific to each account, and the number you can create depends on your subscription[2]. A capable agency should be able to design that structure and build around it.
Migration is where many projects go wrong. A sound plan starts with an audit of the source data, covering inventory, deduplication, and quality fixes, and ends with formal validation that includes record counts, relationship checks, workflow trigger tests, and reporting checks[3]. Cleansing should be its own project phase, because migration tools will not fix underlying data quality problems[4]. Good agencies also agree on cut-off dates and field mapping before any record moves[5].
We looked at service capabilities, HubSpot expertise, technical depth, integration experience, migration capabilities, and how well each agency fits different business requirements. The information below comes from HubSpot Solutions Directory listings and the agencies' own pages. Service lists and partner details change, so confirm the current scope with any agency before you sign.
Computan is a Canada-based HubSpot development company. It has spent more than 20 years helping marketing agencies, in-house teams, and growing businesses scale execution without building an internal development and AI team[6]. Its HubSpot directory listing highlights CRM migration, custom API integrations, and website development, along with Marketing Hub, Sales Hub, and Content Hub certifications[6].
On the integration side, Computan describes work connecting HubSpot with Salesforce, Shopify, NetSuite, Stripe, Zapier, and custom ERPs, and it offers white-label work for agencies[7]. One public example is a custom Laravel middleware build that moved data between Microsoft Dynamics 365 and HubSpot for a client[8].
Best for: B2B businesses and marketing operations teams that need custom HubSpot development, integrations, and technical implementation support beyond standard CRM configuration.
Keep in mind: Computan's directory listing does not include CRM Implementation among its services[6]. If you want RevOps strategy, process redesign, and change management to be the core of the engagement, plan to pair Computan's build capacity with a strategy partner.
SmartBug Media is a full-service HubSpot agency and an Elite Solutions Partner[9]. Its listing includes CRM implementation, onboarding, programmable automation, and sales and marketing alignment, alongside content, paid media, and SEO[9]. It holds HubSpot accreditations for CRM implementation, custom integration, and data migration[10]. In 2022 it announced the Advanced CRM Implementation accreditation, and its CEO tied that work to the challenge of connecting HubSpot with complicated, customized tech stacks[11].
Best for: Businesses looking for a HubSpot-focused partner that combines CRM implementation with marketing strategy.
Keep in mind: The service menu is broad. If you only need a technical build, confirm the project team and scope so you are not paying for services you will not use.
New Breed leads with revenue operations. Its RevOps services cover HubSpot implementation across hubs, migration from other platforms, integration with other systems, and optimization of existing portals[12]. It also offers custom integrations that extend native HubSpot functionality, CMS Hub website work, and demand generation[13]. The agency describes itself as HubSpot's top partner[12].
Best for: Organizations seeking RevOps strategy alongside CRM implementation.
Keep in mind: Strategy, change management, and demand generation sit next to the technical work. Ask who will build any custom components your project needs.
Aptitude 8 is built around architecture. On custom integrations, its Solutions Architects design the data model and its full-stack HubSpot developers build the components, including hosted integrations and custom apps embedded in the CRM[14]. It is an Elite Solutions Partner offering CRM implementation, migration, custom API integrations, and programmable automation, through project-based or managed engagements[15]. It describes its approach as customized implementation rather than out-of-the-box onboarding, and positions itself as a technical consulting firm for complex HubSpot environments[16].
Best for: Companies with sophisticated CRM requirements and complex operational processes.
Keep in mind: A customized approach usually means more scoping time than a standard onboarding package. It suits teams that already know their process is complicated.
Lean Labs is a HubSpot Solutions Partner best known for website and CMS work. Its listing includes CRM implementation and onboarding services, and the client reviews shown there center on website design, development, and migration projects[17]. The agency says it builds web projects on HubSpot only[18].
Best for: Businesses connecting their website, marketing campaigns, and CRM operations.
Keep in mind: If your main need is a multi-system integration or a complex CRM migration, ask for CRM-specific case studies before you shortlist it.
Media Junction is an Elite Solutions Partner whose listing includes CRM implementation, CRM migration, and custom API integrations[19]. It is known for custom website design and development, and in late 2023 it merged with Remotish, a RevOps and WebOps agency, to expand its technical services for HubSpot customers. The combined company reported five HubSpot accreditations: CMS, CRM implementation, platform enablement, customer onboarding, and custom integrations[20].
Best for: Companies looking to connect their website experience with HubSpot CRM.
Keep in mind: Its roots are in web design and development, so ask for migration and integration examples that match the systems you run.
BBD Boom is an Elite Solutions Partner. Its HubSpot listing includes CRM implementation, CRM migration, custom API integrations, onboarding, knowledge base development, and help desk implementation[21]. The agency says it has completed more than 400 HubSpot projects and holds the HubSpot Onboarding accreditation[22].
Best for: Businesses looking for broader HubSpot onboarding and implementation support across hubs, with marketing services available alongside.
Keep in mind: With a wide service list, find out which team members would handle custom integrations and what they have delivered for a stack like yours.
Definitions used in the table: Yes means the capability appears in the agency's HubSpot directory listing, accreditations, or a clear description on its own site. Limited means an adjacent service is listed, such as website development in place of custom CRM development. Not listed means it does not appear in the sources reviewed. Confirm each point directly with the agency.
| Agency | CRM implementation | Custom development | Integrations | Migration | Best suited for |
|---|---|---|---|---|---|
| Computan[6][8] | Not listed | Yes | Yes | Yes | Custom CRM solutions and integrations |
| SmartBug Media[9][10] | Yes | Limited | Yes | Yes | Marketing-led implementation |
| New Breed[12][13] | Yes | Limited | Yes | Yes | RevOps strategy |
| Aptitude 8[14][15] | Yes | Yes | Yes | Yes | Complex CRM architecture |
| Lean Labs[17] | Yes | Limited | Limited | Limited | Website-led growth on HubSpot |
| Media Junction[19][20] | Yes | Limited | Yes | Yes | Website and CRM alignment |
| BBD Boom[21][22] | Yes | Limited | Yes | Yes | Broad onboarding and implementation support |
A directory listing tells you what an agency offers. These questions tell you whether it can deliver what you need.
Certifications show that a team has studied the platform. They do not show that it can build around it. HubSpot exposes APIs for objects, properties, and associations, and custom objects are defined and managed through them[2], so ask to speak with the people who would do that work.
Ask the agency to walk you through a past migration from audit to validation[3]. Relationship validation matters in particular, because records without their associated contacts or deals quietly break reporting[4].
Look for specific examples, such as middleware that moved data between a legacy CRM and HubSpot[8], rather than a general claim that the agency "does integrations."
Some agencies offer managed engagements after launch alongside project work[15]. Find out which model you are buying.
Standard implementation works well for businesses with relatively straightforward requirements. Some organizations need more. You are likely in that group if any of these apply:
This is where a development-focused HubSpot partner makes a difference. Instead of forcing business processes into standard CRM functionality, custom development and integrations extend HubSpot to support the way your organization operates. Middleware that sits between HubSpot and a system like Microsoft Dynamics 365 is one example[8]. It lets each platform keep doing its job while the data stays aligned.
Implementation cost varies widely with scope, so any fixed number without context should be treated carefully. The first thing to know is that the HubSpot subscription and the implementation work are separate line items[1]. The factors that move the implementation budget are fairly consistent:
Some HubSpot hubs also carry required onboarding fees, and phased rollouts can spread the investment over time[24]. Check both when you compare quotes.
It helps to separate three types of engagement:
Ask every agency for a scoped proposal that lists what is included in each category, so you can compare like with like.
Choosing an implementation agency is a long-term operational decision. The launch is the easy part. The harder part is the year after, when the team adds hubs, connects new tools, changes pipelines, and needs someone who understands both the marketing operations and the technical architecture underneath.
Assess technical capabilities, integration experience, and post-launch support, not only the onboarding package. A RevOps-led agency, a marketing-led agency, a website-led agency, and a development-led agency can all be the right answer. The right one depends on where your biggest gap sits.
Looking for a HubSpot implementation partner that can handle more than standard CRM setup?
Computan helps businesses customize HubSpot, build complex integrations, streamline workflows, and connect their CRM with the rest of their technology stack.
Talk to Computan about your HubSpot project.
An implementation agency configures HubSpot for your business. That covers CRM setup, pipelines, lifecycle stages, permissions, custom properties and workflows, data migration, integrations with other systems, and reporting. Some agencies also provide RevOps consulting and ongoing support.
Onboarding usually covers basic setup and training. Full implementation adds a designed data model, migration from a legacy CRM, automation, integrations, and reporting. Custom development goes further by building code that extends HubSpot or connects it to other platforms.
Start with your biggest gap. If the process and strategy are unclear, a RevOps-led partner helps most. If your team needs campaigns and content alongside the CRM, a marketing-led partner fits. If you have systems to connect or custom functionality to build, a development-led partner is the stronger match.
It should include a pre-migration data audit, deduplication, field mapping, a defined cut-off date, and post-migration validation covering record counts, relationships, workflows, and reports[3][5].
It depends on the number of hubs, CRM complexity, data volume and quality, integrations, custom development, and ongoing support. The HubSpot subscription is priced separately from implementation services[1], so ask for a scoped proposal rather than a single headline number.
You need it when multiple systems have to exchange data, standard workflows cannot support your process, you need custom objects or functionality, or a legacy tool has no native HubSpot integration.