▷ Empresa de Mystery Shopping y Cliente Misterioso | SGG

Mystery Shopping Company:
Retail Customer Experience Auditing

We evaluate your point of sale using professional mystery shoppers, assessing sales protocols, service, brand presence, and the customer experience.

Mystery shopping visits carried out per year
+ 2500
KPIs/items audited per visit
+ 35
Average report delivery time after the visit
48 h

// If you are a candidate, view all our vacancies on our careers portal

What is Mystery Shopping?

Mystery shopping (also known as secret shopping) is a customer experience audit technique in which trained anonymous evaluators visit, call or interact with a business while posing as real consumers. What is mystery shopping in practice? A structured methodology that objectively measures how sales protocols, customer service, brand presence and agreed commercial standards are executed.

What is mystery shopping compared with a traditional retail audit? The difference is key: while a conventional retail audit analyses the physical conditions of the point of sale (stock, planogram, signage), mystery shopping, which is essentially an assessment of human behaviour, measures the real interaction between staff and customers, the effective application of the sales pitch and the shopper’s subjective experience. Both methodologies are complementary and at SGG we integrate them to provide a 360° view of the point of sale.

In short, if you want to understand not only what your store looks like, but how a customer feels when they enter it, mystery shopping is the most accurate and objective tool available.

The Pillars of Mystery Shopping: Analysis, Strategy, Optimisation and Impact

We uncover what goes unnoticed to strengthen your brand. Every mystery shopper programme we run is built around four pillars:

Analysis

We collect qualitative and quantitative data on each mystery shopper visit to build an accurate diagnosis of the real state of the customer experience at your POS. We identify gaps between the defined standard and actual in-store execution.

Strategy

Based on the analysis of each mystery shopper, we redefine commercial protocols, sales scripts and activation priorities with the client, turning data into concrete, actionable improvement plans.

Optimisation

We support the implementation of the improvements identified through the mystery shopper service: retail training, planogram adjustments, reinforcement of commercial commitments and correction of deviations. We do not assess and walk away; we make sure change happens.

Impact

We maximise impact at the point of sale by measuring progress between mystery shopping waves to demonstrate the real return of each programme. We link mystery shopper results to business indicators: sell-out, conversion, share of shelf and NPS.

How Mystery Shopping Helps You: Scale, Standardise, Delegate and Adapt

A methodical, seamless implementation that scales your mystery shopping programme to any network size:

Scale

We adjust the scope of the mystery shopper study to your distribution network, whether it has 10 points of sale or 2,000. Our operational structure and pool of qualified mystery shoppers allow us to cover any volume with the same quality standards.

Standardise

We design consistent questionnaires and assessment rubrics to ensure every mystery shopper applies the same measurement criteria, regardless of geographical area or store format. Standardisation makes the data comparable and actionable.

Delegate

We take on the planning, operational coordination and logistics management of each mystery shopping wave. The client sets the objectives; we handle execution from start to finish, including selecting and briefing mystery shoppers.

Adapt

We tailor the mystery shopper methodology to the focus of each campaign: product presence, service protocol, compliance with commercial agreements, competitor analysis or omnichannel experience. Every mystery shopper programme is unique.

Types of Mystery Shopping

Our mystery shopping services in Spain cover multiple formats to assess every touchpoint in the customer journey. The main mystery shopping techniques we use include:

The mystery shopper physically visits the point of sale to assess service, sales protocol, product placement, brand presence and compliance with commercial commitments. This is the most comprehensive format for retail, FMCG and mass-market distribution environments.

In-person

The mystery shopper physically visits the point of sale to assess service, sales protocol, product placement, brand presence and compliance with commercial commitments. This is the most comprehensive format for retail, FMCG and mass-market distribution environments.

The mystery shopper interacts with the brand’s website, app or social media to assess usability, response times, message consistency and digital service quality. Ideal for brands with an omnichannel strategy.

Online

The mystery shopper interacts with the brand’s website, app or social media to assess usability, response times, message consistency and digital service quality. Ideal for brands with an omnichannel strategy.

The mystery shopper calls switchboards, customer service centres or distribution networks to audit telephone protocols, waiting times and the quality of the information provided.

Telephone

The mystery shopper calls switchboards, customer service centres or distribution networks to audit telephone protocols, waiting times and the quality of the information provided.

Comprehensive assessment of the online purchasing process: navigation, product pages, payment process, order confirmation, packaging, delivery times and returns management. We identify friction points that directly affect conversion.

E-commerce

Comprehensive assessment of the online purchasing process: navigation, product pages, payment process, order confirmation, packaging, delivery times and returns management. We identify friction points that directly affect conversion.

The mystery shopper visits or interacts with competitors’ points of sale to obtain a real benchmark of customer experience, in-store positioning and the sales arguments used against your brand.

Competitor

The mystery shopper visits or interacts with competitors’ points of sale to obtain a real benchmark of customer experience, in-store positioning and the sales arguments used against your brand.

A recurring, periodic mystery shopping programme that measures how indicators evolve over time. It verifies whether improvements implemented after each mystery shopper wave are sustained or whether performance regresses.

Follow-up

A recurring, periodic mystery shopping programme that measures how indicators evolve over time. It verifies whether improvements implemented after each mystery shopper wave are sustained or whether performance regresses.

Mystery Shopping KPIs and Reporting

Sales Process Compliance

% compliance with the sales protocol on each mystery shopper visit

Experience NPS

Net Promoter Score derived from the mystery shopper’s real experience

Service Time

Time to first contact and average duration of the sales interaction

Conversion Rate

Impact of the sales protocol on the mystery shopper’s likelihood to purchase

Brand Presence

The point of sale’s satisfaction with and rating of the deployed team.

Activation ROI

Return on investment in teams and materials compared with incremental sales.

Why Choose SGG
as Your POS Activation Agency?

Among the mystery shopper companies operating in the Iberian market, Staff Global Group stands out by combining specific retail-sector expertise with unrivalled operational and technological capacity. These are the reasons leading brands trust us as their mystery shopping agency:

Specialist approach

Specialist retail focus. Our specific experience in mass-market distribution, specialist chains and FMCG channels ensures precise assessments tailored to each client’s strategy. We are not a generalist mystery shopping agency: we are retail experts.

End-to-End Solutions

End-to-end solutions beyond the data. We deploy services that complement mystery shopping to implement identified improvements: Retail Training, Point-of-Sale Activation, Merchandising and Implementation. The mystery shopping agency that also delivers the improvement plan.

Territorial coverage

Complete territorial coverage. We assess customer experience wherever you need it, anywhere in Spain and Portugal — 17 autonomous communities and Andorra. As a nationwide mystery shopping company, we ensure methodological consistency across every geography.

Methodology and technology

Analytical methodology and proprietary technology. We decode the customer journey by defining the relevant indicators with our Global Chat App and Power BI dashboards. Data from each mystery shopper is centralised, validated and analysed in real time.

Tailored solutions

Tailored solutions. We adapt the mystery shopper programme to each company’s specific needs: network size, sector, distribution channel, target shopper profile and priority KPIs. There is no standard mystery shopping programme at SGG.

Guaranteed excellence

Backed by 20+ years of retail experience. Staff Global Group is an established industry leader, approved by Spain’s major retail chains and supported by a track record that underpins every mystery shopping service we provide.

Frequently Asked Questions
about Mystery Shopping

What are the benefits of hiring a mystery shopping company?

Hiring a specialist mystery shopping company such as SGG provides three key benefits: objective measurement of customer experience (without internal bias), precise identification of gaps between the agreed commercial standard and actual in-store execution, and the ability to demonstrate the ROI of improvement actions through comparable KPIs across waves. In addition, as a mystery shopping company with complementary services, we can not only diagnose issues but also deliver the improvement plan.

An effective mystery shopping evaluation requires clear objectives before the questionnaire is designed, mystery shoppers who match the real shopper profile, standardised data collection to ensure comparability, and results linked to an action plan. At SGG, we manage the entire process from start to finish.

A professional mystery shopping agency collects quantitative data (times, compliance rates, product presence, share of shelf) and qualitative data (quality of interaction, tone of service, effectiveness of the sales pitch). At SGG, we add geolocation and timestamp validation and, where appropriate, photographic or audio evidence.

Mystery shopping is especially valuable in retail (fashion, electronics, sports, home), mass-market distribution and supermarkets, banking and insurance, restaurants and hospitality, telecommunications, automotive, and any sector where interaction between staff and customers directly affects conversion and loyalty.

The main difference between mystery shopping and a retail audit is what is being measured: a retail audit assesses physical and operational conditions at the point of sale (stock, planogram, signage, prices), while mystery shopping measures human behaviour (sales protocol, service quality, shopper’s subjective experience). The two methodologies are complementary: at SGG, we combine Retail Audit and Mystery Shopping in 360° programmes to provide a complete view of the POS.

The cost of a mystery shopping programme depends on several factors: number of visits and points of sale to be assessed, format (in-person, telephone, online, e-commerce), questionnaire complexity, frequency of waves and required reporting level. At SGG, we prepare tailored proposals free of charge. Contact our team and you will receive a quote adapted to your objectives and distribution network.

Yes. Every mystery shopper programme at SGG is tailored: we design the questionnaire, select the mystery shopper profile, define the wave calendar and adapt reporting to the KPIs that matter most to your business. There are no standard programmes; every mystery shopper service reflects the client’s strategy.

Outsourcing mystery shopping to a specialist agency guarantees objectivity (which is impossible if internal staff carry out the assessment), access to a large pool of qualified mystery shoppers, proven and scalable methodology, and professional reporting with sector benchmarking. In addition, as a mystery shopping company with complementary services, SGG can turn findings into concrete improvement actions.

SGG ensures the quality of every mystery shopper evaluation through rigorous shopper selection and training, technical validation of every visit (geolocation, timestamp, response consistency), review by an internal quality team, and complaint and revisit protocols when an evaluation does not meet standards.

Looking for a mystery shopping company
to assess and improve the presence of your product
and your competitors’ products
?

We are experts in mystery shopping and secret shopping. We analyse interactions and commercial commitments to identify improvement opportunities across your distribution network.

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