JSON Crew is a software house focused on digital sales transformation for B2B manufacturers and distributors. We build the systems that shorten the path from a customer's first interest to a signed contract, layer by layer, wherever a company loses customers or time:
- 2D/3D product configurators: customers see options and price before they call - Automated quoting: a clickable offer page in minutes instead of a PDF, with open tracking - ERP/CRM integrations (Comarch, Subiekt, Pipedrive, HubSpot, BaseLinker) so data is entered once - Websites and online stores built for leads, speed and SEO, plus ongoing maintenance - Interactive kiosks, meeting-room presentations and VR/3D showrooms - Custom B2B web apps, client portals, dashboards, mobile and IoT apps - AI implementation and process automation
We also build our own products: JSON Hub, a CRM with automated offers and project management, and prawbot, an AI platform for law firms.
Why companies pick us: A configurator MVP in 8 weeks, not 8 months. Fixed price and clear scope on the first engagement. You work directly with the three founders, with no account managers in between.
Proof: Akpil (agricultural machinery): quote preparation dropped from 3 hours to 4 minutes, and 78% of customers configure the machine before contacting sales. KG Elektronik: IoT app managing 12,000+ connected heating devices, 1,000+ downloads. Colliers: VR/3D virtual design lab integrated with Power BI. Accounting firm: offers in 6 minutes instead of 45 with JSON Hub.
See 15 live 3D configurator demos at jsoncrew.com/showroom/
We're a fit if you sell something complex or configurable and want sales to scale through tools and process, not headcount.
Based in Kraków, Poland. We work in English, Polish and German.
Custom Software Development for Electronic Device Company
Custom Software Development
Amazon Application Development Framework
Less than $10,000
Apr. - July 2025
4.5
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They did good work."
Jul 21, 2025
Director, KG Elektronik
Gregor Koman
Verified
Electric
Mielec, Poland
11-50 Employees
Online Review
Verified
JSON Crew provided custom software development services for an electronics device company. The team developed a smart control app and helped the client launch the app.
The client was happy with the engagement. JSON Crew delivered good work and performed well in project management. Moreover, JSON Crew communicated with the client using virtual meetings.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the Director of KG Elektronik
Describe what your company does in a single sentence.
Production of electronic devices
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire JSON Crew to accomplish?
launch of a new application
SOLUTION
How did you find JSON Crew?
Online Search
Why did you select JSON Crew over others?
Great culture fit
Describe the scope of work in detail. Please include a summary of key deliverables.
APP smart control application
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
They did good work.
What was your primary form of communication with JSON Crew?
Virtual Meeting
What did you find most impressive or unique about this company?
ok
Are there any areas for improvement or something JSON Crew could have done differently?
no
RATINGS
4.5
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Showing 1-1 of
1 Reviews
Our Story
We're JSON Crew! Three founders who believe sales is a system problem, not a people problem. A manufacturer can have a great product and still sell it like it's 2005, offers in Word or PDF the client never opens.
Jędrzej (CEO, 10+ yrs B2B Strategy & heavy tech FullStack)
We start every project with a process map, not a framework. We design and improve whole sales proccess!
Meet the Team
Bartłomiej KołodziejczykCOO
Jędrzej SiewierskiCEO
What Sets Us Apart
We run our own SaaS
We don't just build software — we run JSON Hub, our own CRM and quoting platform. We understand the product side operationally, not just from a brief.
AI-first, 8-week MVP Fixed Price
AI-first delivery (Cursor + Claude). A product configurator MVP in 8 weeks, fixed price, clear scope -> NOT 8 months of open-ended billing.
Process before framework
Every project starts with a process map and the profitability of your sales flow. We scope tightly and turn down projects that aren't a fit.
Verified means Clutch independently confirmed JSON Crew is a legally registered business, has had its financial risk status checked (Creditsafe: Moderate Risk), and is backed by 1 verified client review averaging 4.5 stars.
If you’re not seeing exactly what you need here, send this company a custom message.
You can talk about your project needs, price, and timeline to get started on your project.
Get connected to see updates from JSON Crew like new case studies, latest reviews, their latest masterpieces in their portfolio, delivered straight to you.
