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HubSpot agency for CRM, marketing, sales & CMS

HubSpot websites, CRM & marketing built to work together

A unified HubSpot ecosystem: a brand that stands out, a website that attracts, a CRM that brings structure, automations that save time, and marketing designed to support your growth.

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360° expertise across branding, websites, CRM, automation & sales

Align your teams, tools, and digital strategy

if/else agency does more than implement HubSpot.

We help companies build connected HubSpot ecosystems combining design, development, CRM, automation, marketing, and sales. Every solution is tailored to your goals, your workflows, and the way your teams operate, creating smoother collaboration and more effective growth strategies.
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CREATIVE

Brand identity and UX/UI web design

From logo exploration to the design of your future website, if/else agency creates visual identities and digital experiences designed to strengthen your brand, visibility, and growth.
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TECH

Web development & HubSpot CMS

We build modern, high-performance websites on HubSpot, along with technical solutions tailored to your business needs: from custom integrations and bespoke modules to complex architectures.
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CRM / marketing

Marketing automation & acquisition on HubSpot

We help you streamline your marketing operations, automate repetitive tasks, and build connected acquisition systems designed to support sustainable growth.
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CRM / sales

Sales Hub & sales performance on HubSpot

We help you build clearer sales processes, better-organized pipelines, and efficient CRM systems designed to improve lead management and sales performance.
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Check our rates Read our success stories

A HubSpot agency driven by strong values

A different way to build digital projects
Garance Luc Ifelse Agency
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Guidance

Digital projects can be technical, but we believe expertise should always remain accessible. That’s why we take the time to explain our work, train your teams, and help you fully understand the tools and systems we build together
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Expertise & boldness

We don’t just follow specifications. We challenge ideas, simplify technical decisions, and create durable solutions that make sense for your business, without unnecessary complexity or overspending
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Transparency

We communicate clearly, take responsibility, and keep clients informed at every stage of a project. No hidden issues, no vague updates, just honest collaboration and full visibility on what’s happening and why.
See how we work
Who we are

Trusted for our HubSpot expertise

More than 50 companies supported through HubSpot, web, and marketing projects

  • Brand identity and web design

  • CRM implementation, integration & architecture

  • HubSpot CMS development (website, landing pages, blog)

  • Software synchronization and API connections

  • Marketing automation, acquisition and sales performance

  • Tracking and data

Ready to become (very) satisfied customers?
Discover our success stories
All our services
Lucas Chastagner
Title Global Growth and Performance Manager - COHABS

I’ve worked with Garance, Chris, and Luc on several projects for various companies, and I highly recommend them. Communication has always been smooth, and they are true experts in building high-quality HubSpot landing pages that meet advanced functional requirements.
Philippe Rusu
President - CR SYSTEM

if/else agency deployed our HubSpot CRM solution by customizing both the interfaces and user journeys to perfectly align with our business needs. They took the time to truly understand our operational specificities and consistently provided valuable recommendations to adapt the platform to our working methods.

Whenever our requirements went beyond HubSpot’s standard functionalities, they helped us rethink our processes from a different perspective while always keeping our business goals and key performance indicators in focus.

if/else agency is a technically experienced HubSpot integrator that genuinely listens to user needs. They effectively bridge the gap between client expectations and the software’s capabilities. Their flexibility and responsiveness clearly demonstrate their commitment to delivering the results expected by their clients.

We will definitely continue working with them for our future HubSpot CRM customization and interoperability needs.
Nicolas Deswarte
CMO - Thiga

I've finally found my HubSpot CMS partner !
After a very well executed site redesign, I'm happy to have finally found my strategic partner to serve up the web experiences of my dreams! Excellent communication, very good planning, good advice and real support for our web developments. I highly recommend IF/Else.
Amrinne Laudé
Founder - Maison Tehsin

[...] A big THANK YOU to the whole team! Thank you for your professionalism, creativity, and responsiveness! Special mention to Garance, who was PROACTIVE in responding to all my requests day and night... If/else Agency, a true strategic partner for even the craziest projects!
Camille Folliot
COO & Partner - Nile

Luc and Garance have worked with us on a number of website development projects, from mock-up design to online launch. Their mastery of the HubSpot CMS, their rigor and professionalism are a real plus when it comes to optimizing website performance. Skills that are rare on the market! 
Julie Machillot
CEO & founder - Storyfox

We worked with if/else agency to redesign the theme of our corporate website. We're very satisfied with the result. The collaboration was seamless, they have real expertise and were proactive in making our project a success. 
Xavier Lagrange
Executive Education Manager - EFREI

[...] The team demonstrated excellent listening skills and a keen understanding of our challenges.  We highly recommend if/else agency for the quality of their support, their professionalism, and their ability to integrate effectively into a project team.
Camille Collin
B2B Acquisition Project Manager - HelloWork

We called on If/Else to redesign our site and develop a dynamic calendar. Everything turned out just the way we wanted it, and we're very happy with the result - it makes our work so much easier! 
Loïc Schemel
Head of SEO & CRM - Swapn

[...] We have no hesitation in recommending If/Else Agency, who have supported us with exemplary professionalism.
Their technical expertise, combined with a genuine willingness to listen, guarantees solutions tailored to our needs.
A big thank you to the If/Else team for their responsiveness and invaluable support on a daily basis!
Alexandra Desbat
Digital Marketing Specialist - Vade

We worked with Luc and Garance on 2 separate projects: the optimization and design of the corporate site and the migration + redesign of another site. During these 2 projects, they demonstrated their mastery, rigor, complementarity and professionalism. 
Thierry Calederón
CEO & HubSpot CRM Specialist - MMIO

Very good collaboration with the IEA teams on the HubSpot CMS. We had to integrate a booking engine from a third-party business tool. Delivery on time and quality on target. A job well done. 
Julie Pravaz
Project Manager - Tiime

A highly skilled team that is close to its clients. We regularly entrust them with Hubspot developments, and they always coordinate projects superbly. It's a pleasure to work with Garance, Luc, and Christopher.
hubspot ecosystem

One connected system for all your digital needs

We'll do more than launch your next marketing campaign

While many HubSpot projects are approached as separate blocks, if/else agency designs complete and connected systems:

  • A CRM designed around your teams: We structure your CRM to reflect the reality of your workflows and support your teams in their day-to-day work not to remain a theoretical tool nobody truly uses.

  • A scalable, high-performance website: Your website is more than a showcase, it’s a growth and conversion tool. We build modern, high-performing HubSpot websites designed to evolve alongside your business.

  • Better alignment between marketing and sales: A poorly managed lead is often a lost opportunity. We help structure the transition between marketing and sales so every lead is handled at the right time, in the right way, with clear processes behind it.
Book a call
Read our success stories

Real HubSpot expertise at fair prices

Different expertise, one shared goal: your growth

  • More than 10 years of technical expertise on HubSpot CMS & CRM

    Our expertise in HubSpot CMS and CRM allows us to build both modern, high-performance websites and advanced technical solutions tailored to your business challenges: from custom integrations to complex CRM environments powered by dynamic data

  • Experts in HubSpot CRM architecture

    CRM structuring, custom objects, properties, segmentation, advanced workflows, data architecture, dashboards… We help you build a practical, scalable HubSpot instance designed around your operational needs and business goals.

  • Marketing experts focused on real performance

    From paid acquisition and email campaigns to automation, nurturing, landing pages, and conversion optimization, we help you build marketing systems designed to generate qualified leads and better align your marketing and sales efforts.
Let's talk about your project!
Check our services
hubspot skills

Design & Development on HubSpot CMS & CRM

Our HubSpot web services

Brand identity & UX/UI web design
→ 600€ / day (excl. VAT)

From graphic design and website mockups to logos and complete brand guidelines, we create visual identities designed to reflect your brand, strengthen your positioning, and support your growth
<p style="text-align: center;">Learn more</p>
  • check-1 Creative exploration
  • check-1 Branding & visual identity guidelines
  • check-1 Wireframes & page structure
  • check-1 UX/UI-focused mockups

Website development on HubSpot CMS
→ 600€ / day (excl. VAT)

We build modern HubSpot websites designed to convert your audience. Whether starting from your mockups or an existing website, we develop high-performance, easy-to-manage platforms aligned with the latest web standards and best practices.
<p style="text-align: center;">Learn more</p>
  • check-1 High-performance HubSpot websites
  • check-1 Conversion-focused landing pages
  • check-1 SEO-friendly blog architecture on HubSpot
  • check-1 Fully tailored custom modules
  • check-1 Flexible drag-and-drop template
  • check-1 Multilingual system pages easy to manage

Custom APIs & HubSpot integrations
→ 800€ / day (excl. VAT)

Some business needs go beyond native HubSpot integrations. That’s why we develop custom APIs, webhooks, and tailored integrations designed to connect your HubSpot CRM with your existing tools and automate your data processes reliably.
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  • check-1 Advanced HubDB implementation
  • check-1 Custom objects & dynamic data architecture
  • Data modeling, synchronization & ETL
  • Custom API Tailored API development

HubSpot marketing & CRM support

Our HubSpot marketing services

HubSpot onboarding
→ From 1 200€ (excl. VAT)

Get started with HubSpot without losing time on setup and configuration. We help you structure your CRM, pipelines, automations, and essential tools so your teams can start working efficiently from day one.
<p style="text-align: center;">Check out our HubSpot onboarding</p>
  • check-1 HubSpot account setup
  • check-1 CRM configuration
  • check-1 Marketing Hub setup
  • check-1 Sales Hub setup
  • check-1 Automation & reporting
  • check-1 Team training

CRM & marketing support on HubSpot
→ 600€ / day (excl. VAT)

Audits, reporting, sales funnel optimization, strategy workshops, A/B testing, CRM monitoring… We work alongside your teams to support both the strategic and operational sides of your HubSpot ecosystem.
<p style="text-align: center;">Learn more</p>
  • check-1 Marketing strategy
  • check-1 Marketing operations
  • check-1 CRM & marketing automation
  • check-1 Lead acquisition

Web pages & marketing assets on HubSpot
→ From 600€ / day (excl. VAT)

You’ve redesigned your website on HubSpot but don’t have the time to integrate every page?Using your templates, components, and content, we faithfully build your pages and marketing assets directly in HubSpot.
Integrate your content
  • check-1 Content integration
  • check-1 Web page creation
  • check-1 Responsive
  • check-1 Marketing assets (e-mails, CTAs, forms, etc.)

Hands-on HubSpot expertise 

Our latest customer success stories
Automatic quote generation in HubSpot: Hellio case study
Back-end developmentCRM & Sales automation

Automatic quote generation in HubSpot: Hellio case study

Problématiques : Automatiser la génération de devis sur HubSpot
  • Livrables : Système custom et automatisation de la création de devis
  • Domaines d'intervention : API, CRM
  • Budget : 3k / 5k €
  • Durée de la mission : 3 semaines
Read more
HubSpot B2B E-commerce platform & customer portal connected to Odoo
Back-end developmentFront-end developmente-commerce

HubSpot B2B E-commerce platform & customer portal connected to Odoo

Challenges: HubSpot E-commerce development & Odoo integration
  • Deliverables: Modernized brand identity, full e-commerce platform & customer portal
  • Areas of expertise: Brand identity, zoning, wireframing, web design, front-end and back-end web development, API integrations, ETL on HubSpot
  • Budget: +€15k
  • Project duration: 6 months
Read more
Development of a dynamic medical directory on HubSpot CMS
Back-end developmentFront-end development

Development of a dynamic medical directory on HubSpot CMS

Challenge: Dynamic directory & data architecture with Advanced SEO
  • Deliverables: 1 dynamic directory, dedicated pages, search engine, and interactive dynamic map
  • Areas of expertise: Front-end and back-end web development on HubSpot (API, ETL)
  • Budget: ~€6k
  • Project duration: 1.5 months
Read more

HubSpot partner agency - your ecosystem in the hands of hubspot experts

Certified HubSpot expertise you can trust

Working with a certified HubSpot partner means collaborating with a team recognized for its technical, strategic, and operational expertise on the platform.

From CMS development and CRM architecture to automation and advanced integrations, we build scalable HubSpot ecosystems supported by official best practices and direct access to HubSpot resources.
Book your demo