Resources

Tools to decide what your business actually needs.

Use these before you commit budget. Each one gives you a concrete result, not a brochure.

Web & software development

Portugal based
Working internationally
Português · English · Nederlands
10% to start

Solution Finder

Answer a few questions about your business and goal, and receive a recommended solution with an indicative budget range.

Find my solution

Website Scan

Check an existing website on performance, technical SEO, mobile, security and conversion, and get a scored report.

Scan my website

Pricing overview

See website packages, how custom scope is quoted, and how the 10% start payment works.

See pricing

WebCastelo Care

Understand what managed monitoring, security, backups, updates and support cover after launch.

See Care

Keep reading

See all articles

Editorial illustration of rising ranking bars next to a magnifying glass, representing search engine visibility

SEO

What is SEO and how does it work?

SEO is the work of making a website understandable, trustworthy and useful enough to appear in search results. We explain how Google discovers pages, what influences rankings and when it's worth investing.

4 min readRead article

Editorial illustration of a cursor hitting a glass target, representing paid search campaigns

Google Ads and SEA

What is SEA and how does search advertising work?

SEA is advertising within search results. We explain how auctions work, cost per click, keywords, landing pages and conversion tracking.

3 min readRead article

Editorial illustration of a network of connected nodes linked to a glowing answer panel, representing AI answer engines

Artificial intelligence

How to appear in ChatGPT and other AI systems

There is no button to submit a business to ChatGPT. What exists is a set of conditions that make a business easy to understand and cite for answer engines. Here they are.

3 min readRead article

Start your project with 10%.

For standard website projects, only 10% of the agreed project value is required to start development.

Large custom software and platform projects use milestone based payments.

Start a Project

Example

Project value: €1,500
Start payment: €150
Remaining balance: Paid according to the agreed project terms and before final launch.

What should we build for your business?

Tell us what you need. You will speak directly with the people who build it.

Find my solution Start a project

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