Personal interviews.

Our team for personal inter­views nation­wide in-home, live at point of sale or under­cover as mystery shopper.

Our staff of about 600 experi­enced and at all times deployable nation­wide face to face-inter­viewers and mystery shoppers estab­lishes optimal surroun­dings for simul­ta­neous proces­sing of a multi­tude of diffe­rent projects within a short frame of time.

Our interviewers distributed over regions (Nielsen areas)

Total Germany

Nielsen 1 Hamburg, Bremen, Schleswig-Holstein, Niedersachsen

Nielsen 2 Nordrhein-Westfalen

Nielsen 3a Hessen, Rheinland-Pfalz, Saarland

Nielsen 3b Baden-Württemberg

Nielsen 4 Bayern

Nielsen 5 Berlin

Nielsen 6 Mecklenburg-Vorpommern, Brandenburg, Sachsen-Anhalt

Nielsen 7 Thüringen, Sachsen

Study designs and concepts

POS-, POI-projects

  • Employee surveys
  • Passerby surveys
  • Trade fair and event surveys
  • Frequency measu­re­ment
  • Mystery research

Household surveys

  • Quota surveys
  • Product tests
  • Surveys in writing
  • Continous surveys
  • Diffi­cult target groups

Recruiting projects

  • Offline recrui­ting for panel expan­sion
  • Recrui­ting for group discus­sions
  • Face to face recrui­ting for CAWI, CATI

Mystery research.

Test clients do see your products and services in an authentic way: through the eyes of your clients.
Our mystery shoppers act as common clients. On the basis of prede­fined shopping and counse­ling situa­tions they simulate the perspec­tive of your clients in real scena­rios and check via POS checks the presen­ta­tion of wares, the assort­ment, shelf mainten­ance and prices. Thereby we test important quality crite­rias related to customer service and support you when impro­ving your perfor­mance as a service provider.

Our mystery research offer


  • Mystery shopping
  • Mystery consul­ta­tion
  • Mystery-Calls (Call center/Hot­line-Test)
  • Store Obser­va­tion
  • Client obser­va­tion (analysis of used routes, length of stay)
  • Product-Place­ment Check

Line of business

  • Retail sale (food, nonfood, pharma)
  • Insurance, finance services
  • Gastro­nomy, events


  • Choice of testers according to your target group speci­fi­ca­tion
  • In-depth training of mystery shoppers, obser­vers, caller
  • Prepa­ra­tion for possible scena­rios by audio­con­fe­rence and online training
  • Up-to-date reports guaran­teed by online filling of results

Event check.

Measure the success of your outlets and events live, impar­tial and reliable.

Our event check team measures the success of your activi­ties live and impar­tial. We inter­view visitors of national and inter­na­tional venues and survey opinions and attitudes in an immediate context to your event.

Our offer for event checks

Live measurement on-site

  • Data collec­tion just at the POS, POI
  • Perso­na­lised inter­views at national or inter­na­tional locations
  • Inter­viewing online, PAPI, CAPI possible

Day After Recall

  • Recrui­ting of contact addresses (numbers) on-site
  • Data collec­tion via our telephone studios located in Bonn and Cologne
  • Measu­re­ment consi­de­ring a time and location shift to POS, POI
  • Reali­sa­tion within favored time frame

Day After Mail

  • Recrui­ting of contact addresses (e-mail-addresses) on-site
  • CAWI data collec­tion within the following days
  • Measu­re­ment consi­de­ring a time and location shift to POS, POI
  • Especially appro­priate for contact persons having a high affinity to the subject of survey

Our quality assurance measures:

POS-, POI-projects

  • Daily check on atten­dance
  • On-site controls of up to 20% of all dates of atten­dance (depen­ding on type of survey)
  • Training of inter­viewers on-site or via audio­con­fe­rence on demand

Software based measures

  • Check of duration of inter­view
  • Measu­ring duration for specific parts oft he questi­onn­aire
  • Automatic filte­ring and comple­teness checks
  • Check of starting time and finishin time (between 8 and 21 h)
  • Time distances between inter­views, patterns
  • Check of quotas

Controlling of PAPI

  • Comple­teness, reada­bi­lity
  • Logic consis­tency, patterns
  • Filte­ring
  • Check of proposed quotas

Controlling for in-home surveys

  • Control­ling via telephone for about 25% of all inter­views carried out (duration, topic, appearance of inter­viewers)
  • Postal sending of control cards
  • Performing all software based measures
  • Performing control­ling of PAPI

Your contact person:

Markus Hoffstadt

+49 (0) 221 29 213-410

About us

Reliable surveys on market, product and customer satis­fac­tion breathe from an accurate inves­ti­ga­tion.
We do have the accurate tool for all your needs.

OmniQuest Gesell­schaft für Befra­gungs­pro­jekte mbH

Kenne­dy­brücke 4 | 53225 Bonn
Hohen­stau­fen­ring 66-70 | 50674 Köln

Telefon: +49 (0) 228 38 200-0