A client portal, end to end
Requests arrive through your site, sync with the CRM and show up on a live dashboard — without manual work.
Live dataConnected toolsRoles and access
Development partner for companies and agencies
We build the software. You run the business.
Custom software, web applications and websites — designed, developed and supported by one in-house team.
Written specification · Fixed estimate · No lock-in
Interface Business logic Data Integrations Technologies we work with
- Python
- Node.js
- PHP / Laravel
- React
- Vue
- TypeScript
- PostgreSQL
- MySQL
- REST & GraphQL APIs
- Docker
- AWS
Why Solid Source
Software that fits the way your company works
We build systems around how your business actually works — and stay responsible for them after launch.
Fixed scope
Every project starts with a written specification, timeline and estimate.
Same team
The developers who scope your project are the ones who build it.
Long-term support
Monitoring, updates and fixes with agreed response times.
Services
Six services, one in-house team
Order the full cycle from specification to support, or only the part you need.
New order
Approval
Notify
Custom software development
Internal tools, CRM and business-process systems built around your workflows.
Orders1,284
Synced98%
Avg. time2.4h
Web application development
Client portals, dashboards and booking systems that run in any browser.
Website development
Corporate and product websites: design, front-end, back-end and CMS.
Software integration
CRMs, payments, accounting and APIs connected — no manual re-entry.
Your platformOperational
30 days ago99.9% uptimeToday
Technical support and maintenance
Monitoring, updates and fixes under a monthly plan with agreed response times.
Web portals and digital products
Multi-user platforms, catalogues and content portals, from prototype to release.
Solutions
From specification to a working product
We take responsibility for the whole chain — and work with agencies as their development team.
Development partner for agencies
We work as the technical team behind digital and marketing agencies — building, integrating and maintaining their clients' projects.
Process
How a project runs with us
CRMPaymentsAccountingWebsiteEmail
Specification approved
01
Specify and design
We study your processes and agree scope, architecture, timeline and cost in writing.
When does the dashboard ship?
Thursday. CRM sync and the request form already passed QA.
Sprint 4Staging
02
Build and integrate
Short iterations, working versions every week, connected to the tools you use.
Launch checklist
Tests passedDone
Deployed to productionDone
Support plan activeToday
03
Launch and support
We deploy, hand over documentation and keep the system running.
Less time explaining what you need. More time running what we built together.
Clients
Who we build for
For growing companies
Replace spreadsheets and disconnected tools with one system built around your process.
Typical project
For digital agencies
We work as the development team behind your clients' websites, portals and integrations.
Typical project
For product teams
Ship a web application or MVP with a team that stays on for support and growth.
Typical project
About
A software company since 2016
We design and build custom business systems, web applications and websites, and maintain them after launch.
+18360kHours of work delivered
7+Years in software development
25+Dedicated specialists
10+Products developed
6Long-term clients on support
What does Solid Source do?
We design, build and support custom software, web applications and websites for companies and for digital agencies that need a development team.
How does a project start?
With a short call and a written specification. You get a fixed scope, timeline and estimate before any development begins.
Do you work with agencies?
Yes. We often act as the technical team behind digital and marketing agencies, building and maintaining their clients' projects.
Who owns the code?
You do. Source code, documentation and access are handed over at launch, with no lock-in to our team.
What happens after launch?
We offer monthly support plans with monitoring, updates and agreed response times, so the system keeps running.
Where is the company based?
Solid Source is a trading name of Wert Group LTD, registered in London, United Kingdom. We work with clients worldwide.
Tell us what you need built
Send a short description of your project. We'll reply with questions or a first estimate within two business days.
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