Service providers & experts
More trust, better conversion and a consistent presence — without a marketing department.
Expert Systems Group
Reputation meets brand activation.
We connect reviews and employer brand with automated content creation — so experts and teams build trust faster and win more leads.
Trusted by experts
Used by leading brands.
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Our products
Three products. One goal: growth through trust.
ESG is the umbrella brand for ProvenExpert, ProvenEmployer and Xara. Each product solves a core problem — together they form an integrated system of trust, visibility and conversion.
Collect reviews. Make trust visible.
Verified reviews, seals and feedback workflows — so prospects say yes faster.
- Collect & consolidate reviews
- Social proof for website, landing pages and sales
- Monitor reputation & manage feedback efficiently
Strengthen your employer brand. Boost applications.
Make your culture and strengths visible — with authentic employer reviews and employer branding assets.
- Employer profile & review management
- Build trust in recruiting
- Improve the candidate journey
Loved by marketers. Trusted by brands.
With Xara Cloud, marketing and sales teams create professional materials on the fly — while keeping their brand consistent. Design, branding and personalization run automatically.
- Create on-brand marketing & sales assets
- Automate design, branding and personalization
- Team collaboration on any device — 4.8/5 on G2
Why ESG
Trust only works when you activate it.
ProvenExpert and ProvenEmployer build trust. Xara turns that trust into visible brand content — and into leads.
01
One login (SSO)
Less friction between tools — one access point for the entire product suite.
02
One profile
Reviews, brand assets and core data flow together across all brands.
03
AI Workflows
Review replies, social posts and campaigns are created faster — automated and consistent.
Use cases
Use cases that are measurable from day one.
The best software is the one that saves time every day and delivers results.
SMB teams
Manage reputation and employer brand centrally, scale content, launch campaigns faster.
Real estate (US)
Automatically generate social posts, brochures and ads from listing data — enriched with reviews and trust badges.
Mission, vision & values
What we get up for every morning.
Three guardrails that shape our products, teams and decisions — from the first customer contact to a scaled brand.
Mission
We enable experts and teams to stay trustworthy and visible in the age of AI — with automation, reputation and brand content from a single source.
Vision
The leading platform that combines reputation, employer brand and content automation in one ecosystem.
Values
- Customer Value First — value before features
- Trust & Transparency
- Ownership
- Speed & Iteration
- Data-Driven
Leadership
Led by people who truly understand this business.
By the numbers
A track record that speaks for itself.
0.0M+
Companies
0+
Years on the market
~0
Employees
0%
MADE IN EUROPE
Press & awards
What's been written about us.
A selection of recent coverage. For press inquiries, imagery or interview requests please contact our communications team.
Press contact- August 2023PR Newswire
Expert Systems GmbH: German Market Leader for Review Marketing ProvenExpert.com Expands Internationally.
Read article - January 2019Cision News
Award: ProvenExpert.com names the top experts of 2018.
Read article - November 2018Cision News
Nearly doubled in a year – review platform ProvenExpert celebrates 50,000 expert profiles.
Read article - Press releaseProvenExpert
Another successful funding round: Berlin startup Expert Systems converts into an AG.
Read article
Locations
Berlin & Madrid.
Two locations, one team. We build our platforms in Berlin and grow our international presence from Madrid.
Headquarters
Berlin
GermanyHeadquarters of Expert Systems Group since 2011. Home to product, engineering and operations for ProvenExpert, ProvenEmployer and Xara.
Expert Systems AG · Berlin
Office
Madrid
SpainOur second location in southern Europe — a strategic hub for growth, partnerships and international market development.
Expert Systems · Madrid
Our majority investor
Backed long-term by Bellevue Investments
Expert Systems Group is majority-owned by Bellevue Investments GmbH & Co. KGaA. Bellevue is a Berlin investment firm focused on software and technology companies in the German-speaking region.
This partnership gives us the entrepreneurial freedom and long horizon to evolve our brands sustainably — independent of short-term market cycles.
Careers
We're looking for people who embrace ownership.
Our headquarters sits in the heart of Berlin. We work in small, autonomous teams on products used by hundreds of thousands of companies every day — pragmatic, calm and with a long horizon.
View open positionsContact
Demo, press or partnership.
Tell us briefly what you'd like to use ESG for — we'll get back with a tailored proposal.
YOUR CONTACTS
Here for you, personally.
Address
Expert Systems AG
Quedlinburger Straße 1
10589 Berlin · Germany
Quedlinburger Straße 1
10589 Berlin · Germany
Phone
+49 (0)30 311 931 11