Callista

IT Consulting Servicescallista.group

Callista is a Swiss IT consulting firm founded in 2010, employing 150+ experts to deliver digital enterprise, cloud, data, and AI-assisted engineering services to Swiss banks, insurance firms, and industrial enterprises across 700+ completed projects.

Company typePrivate
Founded2010
HeadquartersZug, Switzerland
Headcount101–250
GTM typeB2B
OfferingServices

What Callista does

Callista is a Swiss IT consulting firm founded in 2010 and headquartered in Zug, Switzerland. It employs 150+ experts and has delivered 700+ projects to 50+ customers, with a customer base concentrated among Swiss banks, insurance companies, and industrial enterprises. The firm is privately held, has no disclosed parent company, and has not raised external funding rounds or executed disclosed M&A.

The company's service portfolio comprises four primary offerings: Intent & Governance Consulting, Agentic Engineering, Data & Experts, and AI-supported Data Warehouse Migration. Its delivery methodology centers on two codified frameworks — "Intent before Code" and "Agentic Engineering with Human-in-Loop" — which deploy AI agents for software development under human supervision. Callista does not develop proprietary AI models or maintain disclosed model-training infrastructure; AI is applied as a productivity layer within consulting and engineering engagements rather than productized as a standalone platform.

Callista's go-to-market is enterprise-direct, targeting regulated Swiss financial-services and industrial clients through long-cycle, relationship-led sales typical of boutique IT consultancies. The firm maintains bilingual German/English operations, and named leadership comprises Managing Partner Ivan Jelic and Managing Director and Partner Peter Stampfli. Revenue mechanics are project- and retainer-based professional services, with no disclosed ARR, contract values, or revenue figures — leaving monetization scale inferable only via headcount-based benchmarks.

Callista firmographics

Firmographics

Name: Callista
Legal name: Callista
Website: https://callista.group
Company type: Private
Founded year: 2010
Operating status: Operating
Headcount range: 101–250 employees
Short description: Callista is a Swiss IT consulting firm founded in 2010, employing 150+ experts to deliver digital enterprise, cloud, data, and AI-assisted engineering services to Swiss banks, insurance firms, and industrial enterprises across 700+ completed projects.
Ownership category
akta.pro rank

Callista industry classification

Industry

Product category: IT Consulting Services
NAICS: Management Consulting Services (54161), Computer Systems Design and Related Services (54151), Other Management Consulting Services (541618)
SIC: Services-Management Consulting Services (8742), Services-Computer Programming, Data Processing, Etc. (7370), Services-Computer Programming Services (7371)
akta.pro primary industry: Data, Analytics & AI Consulting (BPAHAEAF)
akta.pro secondary industry: Data, Analytics & AI Consulting (BPAHACAI)

Keywords

IT consulting services
Data warehouse migration
Agentic engineering
Data governance consulting
Banking AI solutions

Where Callista is headquartered

Location

Headquarters

HQ city: Zug
HQ country: Switzerland
HQ region: Europe

Offices1 record

Markets served

Callista business model

Business model

GTM type: B2B
Offering type: Services
Cost components: Personnel, Technology or R&D, Marketing or Sales, Operations

Revenue model

IT Consulting Services: Professional consulting services revenue generated through direct client engagements. Services include Intent & Governance consulting, Agentic Engineering, Data & Experts (on-demand specialists), and AI-supported Data Warehouse Migration. engagements are customized based on client needs with personalized proposals.

Pricing tiers

Model	Billing	Price
Other	Multi-year contract	Custom engagement-based pricing

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Callista product offering

Product offering

Core offering

Callista is a Swiss IT consulting firm that delivers data and AI-driven transformation services to banks, insurance companies, and industrial enterprises. Its core offerings include Intent & Governance consulting, Agentic Engineering, Data & Expert advisory, and AI-powered Data Warehouse Migration. Founded in 2010 and headquartered in Zug, the firm deploys 150+ experts across 50+ customers and 700+ projects.

Product overview

Callista is an IT consulting firm offering a portfolio of interconnected consulting services focused on helping companies implement AI meaningfully. The service portfolio comprises four core offerings: (1) Intent & Governance Beratung for strategic intent clarification and AI governance establishment; (2) Agentic Engineering for AI-assisted development with structured methodology from specification through quality assurance; (3) Data & Experten providing data foundations for AI agents alongside on-demand expert capacity; and (4) Data Warehouse Migration mit KI for AI-supported data warehouse migration. These services are designed to be sequential — establishing clarity first through Intent & Governance, then implementing with Agentic Engineering, supported by Data & Experten resources — addressing the full lifecycle from strategic planning to production deployment.

Differentiator

Problem solved

Functional benefit

Products and services

Intent & Governance Beratung Consulting service advising Swiss banks, insurers, and industrial firms on data intent formulation and governance frameworks. Targets regulated enterprises that need to align data strategy with regulatory and business outcomes.
Agentic Engineering Engineering consulting service applying agentic AI patterns to design and build data and software systems for enterprise clients. Delivered to regulated Swiss enterprises modernizing their data and AI capabilities.
Data & Experten Data-focused expert advisory service providing specialist data engineering and analytics resources to enterprise clients. Supports banks, insurers, and industrial firms with hands-on data delivery.
Data Warehouse Migration mit KI AI-assisted data warehouse migration service that uses AI tooling and methodologies to modernize legacy enterprise data estates. Targets regulated Swiss enterprises undertaking large-scale data platform modernization.

Companies that use Callista

Customer profile

Named customers20 records

Segments3 records

Ideal customer profiles3 records

Callista technology and API

Technology

Technology focussed No

API detail

Has API: No
API docs
API detail

Core technology

AI maturity

App detail

AI capability3 records

Feature2 records

Callista partnerships and signals

Strategic signal

Scale indicators4 records

Recent moves5 records

Expansion highlights5 records

Callista competitors and assessment

Company assessment

Direct peers

ti&m: Swiss IT consulting and software engineering firm (ti&m / ti8m) headquartered in Zurich, offering digital transformation, software engineering and AI services to banks, insurers and public-sector clients. Closest direct peer given its Swiss footprint, similar enterprise verticals and digital/AI consulting focus.
Zühlke: Swiss-founded technology and engineering consultancy with strong presence in financial services and industrial clients across the DACH region. Comparable to Callista in providing high-end bespoke software, data and AI engineering engagements to regulated Swiss enterprises.
Netcetera: Zurich-headquartered software company serving banks, insurers, public transport and industry across Switzerland and beyond. Comparable in its Swiss-bank/insurer focus, custom software and digital platform delivery, though at larger scale.
Inventx: Chur-based IT specialist exclusively serving Swiss banks, with deep domain expertise in core banking, data and digital channels. Comparable to Callista's banking-vertical focus and Swiss regulated-industry positioning.
Ergon Informatik: Swiss software engineering consultancy serving banks, insurers and public-sector clients from Zurich. Comparable as a mid-sized, privately held Swiss firm specializing in bespoke software, data and digital platform engineering.

Emerging players

finnova: Swiss banking software provider offering core banking and digital channel platforms to regional Swiss banks. Comparable only partially — more product than consulting — but addresses the same Swiss-bank modernization budget Callista targets.

Broad incumbents

Deloitte: Global Big 4 firm with a strong Swiss presence and active AI/data consulting practices targeting the same Swiss banks and insurers as Callista. Overlapping capabilities but much wider advisory portfolio.
Accenture: Global IT and management consulting giant with a substantial Swiss practice serving banks, insurers and industrial clients on AI, data and digital transformation. Overlaps Callista's service lines but at vastly larger scale and broader portfolio.
McKinsey & Company: Global management consulting leader with QuantumBlack AI practice and dedicated Swiss financial-services coverage. Comparable on AI strategy/governance work aimed at Swiss banks and insurers, though framed as strategy advisory rather than implementation.
Thoughtworks: Global technology consultancy focused on software engineering, AI and digital transformation for enterprise clients including financial services. Comparable in its emphasis on engineering-led AI delivery and methodology-driven engagements.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

Callista financial estimates

Financial estimate

Revenue estimate

Valuation estimate

Callista leadership team

Management profile

Number of profiles

Profiles2 records

Callista funding detail

Funding detail

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

Callista M&A and investment

M&A and investment

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Callista

What does Callista do?

Is Callista a public or private company?

Callista is a private company. It is classified as unknown and is currently operating.

When was Callista founded?

Callista was founded in 2010. It employs 101 to 250 people.

Where is Callista based?

Callista is headquartered in Zug, Switzerland, in the Europe region.

How does Callista make money?

One revenue line is on record: IT Consulting Services.

Who are Callista's main competitors?

Direct peers on record are ti&m, Zühlke, Netcetera, Inventx and Ergon Informatik. finnova is listed as an emerging player. Broad incumbents are Deloitte, Accenture, McKinsey & Company and Thoughtworks.

Does Callista have an API?

No public API is recorded for Callista.

What industry is Callista in?

Callista's product category is IT Consulting Services. Its primary akta.pro industry code is BPAHAEAF, Data, Analytics & AI Consulting, with a secondary code of BPAHACAI, Data, Analytics & AI Consulting. Its NAICS code is 54161 and its SIC code is 8742.