Better data, stronger conversion
The Plan Writers
InboundAV connected The Plan Writers’ lead-tracking system to HubSpot and built the workflows needed for sustainable nurturing and follow-up.



The summary
The Plan Writers replaced repetitive spreadsheet entry with a real-time HubSpot integration and a more responsive lead-engagement process. The project linked data quality, automation, and communication so the business could convert more of the opportunities it was already creating.
Main technologies used
HubSpot
About The Plan Writers
Based in Los Angeles, The Plan Writers is an award-winning business consulting firm that helps startups turn business plans into action. Its team works with prospective founders across several service lines, making timely, accurate lead management central to growth.
The challenge
Core prospect data lived in Google spreadsheets shared by team members, affiliates, and partners. Every update had to be entered again in HubSpot, creating duplicate work and data discrepancies that affected the sales cycle. The team also needed a more deliberate system for moving leads from their first interaction into relevant, ongoing communication.
- Industry:
- Business Consulting
- Location:
- Los Angeles, CA
- Platforms:
- HubSpot Sales Hub and Marketing Hub Professional
The solution
InboundAV built a custom integration using JavaScript, Google Apps Script, and HubSpot’s API. Changes in the source spreadsheet now create or update contacts and deals in HubSpot automatically. The team also implemented deduplication, real-time data maintenance, and six tailored four-email nurture paths tied to the company’s distinct service offerings.
All technologies used
- Custom integration
- Data maintenance
- Lead nurture
The results
With cleaner data and a sustainable acquisition process, The Plan Writers increased qualified leads by 17% and lead conversion by 20%, then closed 25% of quoted deals. Average response time reached two days, while the time required for data entry fell to approximately three minutes per entry.

Parsons Audio
Audio & Video Solutions
After six years, Parsons requested a website redesign from InboundAV to reflect their growth and new location. The relaunch resulted in a visually striking WordPress WooCommerce site, achieving an A page speed score and 99% performance.
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- WooCommerce
- ACF

Buzztag
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- HubSpot CRM
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Kawai America
Musical instruments
InboundAV connected more than 90 years of customer, technician, piano, and dealer data in HubSpot for Kawai America.
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- Custom objects
- Data migration
- +1

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Healthcare
InboundAV revamped Lightyear Health’s Sales Hub and implemented Service Hub to improve post-sales management and growth operations.
- Sales Hub
- Service Hub
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- +1

Pro Audio Design
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- E-commerce
- UX/UI
- Website development

ProAudio.Link
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- Custom software
- Platform development
- Integrations

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- Marketing automation
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- Customer retention

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- Sales Hub Enterprise
- Data migration
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- +1

SPRCHRGR
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- HubSpot CMS
- Custom theme
- HubDB
- +1

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- WooCommerce
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- +1

Braintrust
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- Dynamic SEO
- HubDB
- HubL
- +1

Buzztag website
HubSpot CMS website
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- HubSpot CMS
- HubL
- JavaScript
- +1

Lead Driven
HubSpot CMS website
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- HubSpot CMS
- Website design
- SEO
- +1

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Parsons Audio portfolio
E-commerce website
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- WordPress
- WooCommerce
- ACF
- +1

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E-commerce website
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- Shopify
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- +1

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- Custom app
- UX/UI
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- +1

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- WooCommerce
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- E-commerce
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InboundAV redesigned Telefunken’s WordPress site with a clearer sitemap, a microphone-comparison experience, and a custom shop configurator.
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- +1

