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How ZüriClean Quadrupled Their Leads by Switching from Ads to SEO (with ROI Breakdown)

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Haseeb Khan

3 September, 2024

From Ad-Heavy to SEO-Smart

ZüriClean, a professional cleaning service in Zurich, was spending over 3,000 CHF monthly on paid advertising between September and December 2024. Yet despite the spend, they were averaging just 19–20 leads per month. The cost per lead was high, and the conversion funnel lacked consistency.

That’s when they made the pivot to SEO — and the results have been transformational.

In April 2025, ZüriClean generated 83 leads organically, without a single franc spent on ads. With just 800 CHF invested in backlinks and a few more on SEO services, the brand not only saved money but built a more sustainable digital presence.

Let’s walk through exactly what changed — and how.

The Problems with Paid-Only Growth

Between September and December 2024, ZüriClean’s performance through ads looked like this:

Service

Total Spent (CHF)

Ad Leads

Avg. Cost/Lead (CHF)

Move Out

1,641.64

29

56.60

Sofa Cleaning

884.00

17

52.00

Regular

280.28

12

23.36

Mattress

113.60

0

Disposal

36.34

0

Carpet

78.68

1

78.68

Miscellaneous

345.97

3

115.32

Total

3,380.51

62

Avg: 54.52

These results exposed major issues:

  • Cost per lead was very high (especially for sofa, carpet, and misc. services).

  • Some services had zero returns despite ad spend.

  • Lead consistency was low and unpredictable.

The Shift to SEO: What We Did

1. Website Layout Overhaul

We redesigned the ZüriClean website to:

  • Improve loading speed

  • Use clean, conversion-focused design

  • Embed a service-specific booking form on each service page

2. Service Information Pages

Each cleaning service now has a comprehensive, keyword-optimized landing page. These pages educate users, answer common queries, and encourage lead submission.

3. Location-Specific Pages

To attract local traffic from Zurich’s surrounding areas, we created individual pages targeting key districts (e.g., “Move-Out Cleaning in Winterthur”, “Carpet Cleaning in Oerlikon”).

4. Keyword Research & Targeting

We identified the top search terms for each cleaning service and optimized metadata, content, and headers to match high-intent user queries.

5. Omni-Channel Presence

We synchronized:

  • Google Business Profile (with service-based categories and images)

  • Instagram and Facebook for content consistency

  • Local directories and review platforms

6. Backlink Building (CHF 800 budget)

We built high-quality backlinks through:

  • Local business directories

  • HIGH Authority links

  • Cleaning industry blogs

  • Swiss community forums

This off-page work helped increase domain authority and rankings.

SEO Results: Leads Skyrocketed

Here’s how lead flow improved from January to April 2025 — all without ads:

Month

Total Organic Leads

Jan

68

Feb

83

Mar

65

Apr

83

Compared to the previous paid campaign (Sep–Dec 2024), ZüriClean averaged:

  • ~20 leads/month from ads (with CHF 3,380 spend)

  • ~75 leads/month from SEO (with CHF 800 spend)

Breakdown of April 2025 Leads (by Service)

Service

Organic Leads

Move-Out

35

Sofa Cleaning

21

Regular

13

Mattress

3

Disposal

1

Miscellaneous

4

Total

77 (Cleaning Only)

ROI Calculation

Paid Ads ROI (Sep–Dec 2024)

  • Total Spend: CHF 3,380.51

  • Total Leads: 62

  • Cost per Lead: CHF 54.52

SEO ROI (Jan–Apr 2025)

  • Total Spend: CHF 800

  • Total Leads: 299 (Cleaning + others)

  • Cost per Lead: CHF 2.67

That’s a 20x improvement in cost efficiency and more leads.

Why This Works Better: Long-Term Growth vs. Short-Term Boost

Aspect

Paid Ads

SEO Strategy

Cost

High monthly burn

One-time/monthly low spend

Longevity

Ends when budget ends

Long-term asset

Quality of Leads

Mixed intent

High-intent (search-based)

Control

Platform-dependent

Owned property (website, content)

Trust Factor

Low (ad-fatigue)

High (SEO builds credibility)

Key Takeaways for Other Businesses

  1. Stop Over-Relying on Ads: They're expensive and volatile.

  2. Invest in SEO Smartly: With the right strategy, the returns can far exceed traditional ad budgets.

  3. Think Locally: Local pages and service-specific content draw in high-quality leads.

  4. Track Everything: Monitor service-wise conversions and build what works.

Final Words: ZüriClean's Transformation

ZüriClean’s journey from burning cash on ads to thriving on organic search proves that smart SEO isn’t just a marketing luxury — it’s a necessity. With just CHF 800 in investment, they saw nearly 5x the leads compared to a CHF 3,300 ad campaign.

And this is just the beginning — SEO compounds over time.

 

What are the different types of digital marketing?

Before we get into why digital marketing is important for business, you need to know about the different types of digital marketing you can use.

  1. SEO 

In simple terms, Search Engine Optimisation, or SEO, is all about using keywords on a website in order to improve its ranking on search engines and increase traffic. The higher placed your website is on Google’s search results, the better your brand’s chances of being recognised. 
As well as keywords, good SEO practice relies on internal linking, authoritative content, good website navigation, and other important factors.

2. Content 

Content marketing focuses on providing additional value to customers through expert-driven articles, blogs, videos, and other resources like whitepapers. 
The aim of content marketing is to create and promote content that generates brand awareness, lead generation, and traffic growth. Ultimately, you must create engaging, informative content that hooks the customer and attracts them to your brand.

3. Social media

Fast becoming one of the most important digital marketing tools for a business, social media is a great way of promoting your brand and expanding your reach. It allows you to communicate with customers in an engaging way and helps to make them feel part of the brand. 
Whether it’s Instagram, Facebook, TikTok, Twitter, LinkedIn, or YouTube, you need to consider which platform works the best for your business and which channel is used the most by your target audience.  Social media helps you reach your customers organically but also gives you the option to boost posts and promote content through paid advertising. 
This allows your content to reach a much wider audience, increases the level of engagement on your posts and gives you the opportunity to specifically target individual interests and demographics.

4. PPC 

PPC helps to drive traffic to your website by paying a publisher every time your advert gets clicked. Types of PPC include Google Ads, Facebook Ads, Twitter Ads, and sponsored LinkedIn content. 
While it may not be as organic as other types of digital marketing, it’s still a key component of any successful digital marketing strategy.

5. Email 

While it may be seen by many marketers as a bit old school, email marketing is still an essential digital marketing tool. It allows you to send personalised emails to your customers and helps you to reach all age demographics within your target audience. 
Email marketing can be used to promote content, discounts, events, news, and competitions. Plus, it’s a great way of redirecting customers to your website.

6. Influencer

Influencer marketing is a proven way of promoting your brand using an engaging and modern approach. It allows businesses to collaborate with individuals who have a big online presence, which will ultimately help a brand’s exposure.  Influencer marketing comes in many different forms, but usually, an influencer will be asked to publish social media content that promotes the brand. It goes without saying, but it’s essential that the influencer is well-known among your target audience and a good face for your business.

Why digital marketing is important for business
Why is digital marketing important? Well, there are a whole host of reasons that we will explore in this section, but in simple terms, it allows you to reach a larger audience and boost brand awareness.  All of the reasons we list here, if applied correctly, should help you to attract customers new and old and drive future sales. Good for brand growth and awareness Digital marketing levels the playing field and allows you to compete with bigger brands in your sector that otherwise wouldn’t be achievable. 

The internet is home to a huge source of potential customers, so by marketing your brand using the above techniques we discussed, you’re able to target a lot more people than you would normally.
Using these different digital marketing channels, your brand will grow and become more widely recognised, helping to raise awareness about what you do and the products or services you sell. Targets online customers

As of January 2023, there were 5.16 billion internet users worldwide, which means there are quite literally billions of people out there that may be interested in your brand. 

Your customers are online waiting to discover your brand and a good digital marketing strategy will be able to tap into this potential. The more exposure your brand receives, the more likely you’ll attract new customers.

The majority of people now use the internet to find out about businesses, so you’d be crazy to not have an online presence and be involved in the conversation. If people can’t find your business online, then the chances are that they’ll choose a competitor and you’ll lose a potential customer.