Custom software
Platforms, portals, admin systems, internal tools and integrations built from the ground up for your business.
Explore →Technology and digital growth for businesses
We build digital solutions. And help bring them to market.
We develop software, websites, artificial intelligence, automation, cloud and cybersecurity solutions, along with performance-driven paid media campaigns.
100%Tailored solutions
6Areas of expertise
1Digital partner
From technology to customer acquisition
SOFTWAREAIAUTOMATIONCLOUDCYBERSECURITYPAID MEDIA
What we do
Technology that solves real problems.
We build the right solution for the right problem. When it makes sense, we also help generate demand through measurable digital campaigns.
Artificial Intelligence
Assistants, intelligent analysis, knowledge automation and AI-powered workflows designed around your real business context.
Explore →Automation
We connect systems and remove repetitive tasks to reduce operating costs, human error and wasted time.
Explore →Cloud
Architecture, deployment, scalability, observability and application modernisation with reliability at the core.
Explore →Cybersecurity
Security built in from day one: sound architecture, external exposure reviews, best practices and a smaller attack surface.
Explore →Paid Media & Performance
Google Ads and Meta Ads with conversion tracking, continuous optimisation and a focus on genuine leads and opportunities.
Explore →
Uma presença profissional, sem complicações
Página Essencial
Uma página simples e cuidada para apresentar o seu negócio, reunir os contactos importantes e começar a ser encontrado online.
99 €+ IVA
Entrega até 3 dias úteis
Incluído no valor base
- 1 fotografia principal
- Nome ou marca em destaque
- Texto curto de apresentação
- Contacto por WhatsApp, telefone ou email
- Morada e redes sociais
- Design adaptado a telemóvel e computador
- Publicação e alojamento durante 1 ano
- 1 ronda de alterações
Extras opcionais
Domínio próprio · 20 €/ano
Fotografia adicional · 10 €
Texto profissional · 25 €
Segunda página · 40 €
Manutenção após o 1.º ano · 39 €/ano
O prazo começa após a receção dos conteúdos necessários. Valores acrescem de IVA à taxa legal em vigor.
Website pricing
Clear starting points.
Choose the level that fits your next step. We confirm the scope, final price and delivery plan before work begins.
From €750 / £650
A focused page for one offer, campaign or service, designed to turn visits into enquiries.
Typical delivery1–2 weeks after scope and content approval
From €1,400 / £1,200
A professional multi-page website that presents your business clearly and builds customer confidence.
Typical delivery2–5 weeks after scope and content approval
Custom quote
Platforms, portals, integrations and tailored functionality shaped around your operations and goals.
Delivery planAgreed after discovery and technical scoping
Indicative prices exclude VAT where applicable. Final pricing depends on scope, content, integrations and design requirements.
Request a website quote →Paid Media & Performance
Being online is not enough. You need to reach the right people.
We create and manage acquisition campaigns for businesses that want to turn advertising spend into measurable enquiries, quote requests and sales.
Google Ads
Search campaigns focused on buying intent and lead generation.
Meta Ads
Facebook and Instagram campaigns for acquisition, remarketing and brand awareness.
Conversion tracking
Event setup and validation so you can see what genuinely drives results.
Optimisation & reporting
Ongoing campaign management, performance analysis and continuous improvement.
Complex projects
When a website is no longer enough.
We step in when processes, data, integrations, security, business logic or scale go beyond what an off-the-shelf solution can handle well.
Business platforms
End-to-end systems for operations, customers, teams or partners.
Digital products
From an idea to a working product, with architecture designed to evolve.
Integrations & automation
APIs, legacy systems, data and workflows connected consistently.
Technology modernisation
Application re-engineering, cloud, performance and security.
How we work
Clarity first. Execution second.
01
Understand
Your goal, audience, problem, technology, market and intended outcome.
02
Design
Architecture, experience, strategy, priorities and an execution plan.
03
Build & launch
Development, tracking, campaigns, testing and continuous validation.
04
Measure & evolve
Performance, automation, optimisation and new capabilities guided by data.
Our approachA digital partner.
A digital partner.
Not just a supplier.
Digital projects demand more than execution. They require a clear understanding of the problem, sound decisions and a strong connection between technology and business results.
That is the role of Complex Sites: turning complexity into clear, robust and useful systems, then helping create the path that takes them to market.
Security by designScalable architectureMeasurable performanceDirect communication
Why work with us
From product to acquisition.
We can build your digital presence, measure conversions and manage campaigns that bring potential customers to it.
01
A human response
Your enquiry is reviewed by a person, with no generic automated replies or unnecessary processes.
02
A tailored solution
We recommend only what makes sense for your goals, organisation and budget.
03
Real measurement
When we manage campaigns, we set up the tracking needed to understand which actions produce results.
04
Ongoing support
After launch, we can support hosting, maintenance, security, campaigns, integrations and ongoing development.
Have a project or want more customers?
Tell us what you need.
Share your goal with us. We can help build the solution, improve your digital presence or create a paid acquisition strategy.
✓ No-obligation initial review✓ Websites, software and platforms✓ Google Ads and Meta Ads✓ Conversion tracking and optimisation
Direct contact: general@complexsites.com
Based in Portugal · Working with clients across Portugal, the European Union and beyond