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Lawyer for contract law – Central in Winterthur

Lawyer for contract law - legally secure contracts & enforcement

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Whether employment contract, purchase contract or general terms and conditions - we advise and represent you in contract drafting, disputes and enforcement of your claims.

Lawyer for contract law - Our lawyers in Winterthur can help you

Lawyer for contract law - legally secure design

Are you looking for a lawyer for contract law?

Contracts form the basis of private and business legal relationships. Our law firm in Winterthur advises and represents clients in all matters of contract law.

We provide support in the drafting, review and enforcement of contracts and in disputes arising from existing contractual relationships. This includes purchase contracts, contracts for work and services, service contracts and order contracts as well as contractual disputes between private individuals or companies.

If there are differences of opinion regarding the content, interpretation or fulfillment of a contract, we represent your interests both out of court and in court. Our aim is to provide you with a legally sound assessment of the initial situation and a structured approach to safeguard your claims.

For new case inquiries, we first conduct an initial meeting. During this meeting, we analyze your situation and discuss possible legal steps.

The initial consultation, including case review, usually takes one hour and is charged at a flat rate of CHF 330.

Contact persons in contract law:

Matthias Fricker
Omar Ghafier

Contact us – we will be happy to advise you.

Lawyer for contract law - Our services

Where do we work for you?

Our contract law lawyers advise and represent clients in the drafting, review and enforcement of contracts in various business and private areas of life. We support both companies and private individuals in the legally compliant drafting of contractual relationships and in the enforcement or defense of contractual claims.

Typical questions in contract law

Our activities include in particular

  • Drafting and reviewing sales contracts and enforcing warranty claims
  • Preparation and analysis of contracts for work and services
  • Preparation of loan and financing agreements
  • Drafting of agency, supply and distribution contracts
  • Preparation and review of non-disclosure agreements (NDA)
  • Drafting and reviewing general terms and conditions (GTC)

We advise clients both on the drafting of new contracts and on disputes arising from existing contractual relationships.

In the event of breaches of contract, we examine the legal options and represent clients in the enforcement of or defense against contractual claims.

Contract amendment and renegotiation

Contracts are rarely static. Economic changes, new legal requirements or changes in the interests of the contracting parties may make it necessary to adapt existing agreements.

However, a contract amendment or renegotiation should always be carried out in a legally sound manner. Unclear adjustments or informal agreements can lead to significant conflicts later on.

When do contract amendments make sense?

An adjustment to existing contracts may be necessary in particular if:

  • legal framework conditions change
  • a contracting party can no longer fulfill its contractual obligations
  • contractual clauses are unclear or incompletely formulated
  • price, service or liability regulations need to be adjusted

Our support with contract amendments

We support you in particular with

  • Review of existing contracts and possible adjustments
  • legally compliant drafting of contract amendments
  • Support in contract renegotiations
  • Avoidance of future conflicts through clear contract design

Do you need to amend existing contracts or would you like to renegotiate a contractual clause?
Our contract law lawyers will support you in finding a legally compliant solution.

Contract termination & reversal

Not every contract is fulfilled as planned. In certain situations, it may be legally possible or even necessary to terminate a contract. However, it should be noted that termination, withdrawal or rescission each have different legal requirements.

A premature or legally incorrect contract termination can have considerable financial consequences.

Options for terminating the contract

Depending on the contractual constellation, the following options may be considered:

  • Ordinary termination in accordance with the contractual agreement
  • Extraordinary termination in the event of serious breaches of duty
  • Rescission of a contract due to error, deception or duress
  • Withdrawal from the contract due to statutory or contractual rights of withdrawal
  • Reversal of services already rendered

Our support with contract terminations

We support you in particular with

  • Checking your rights of termination or withdrawal
  • legally compliant formulation of a contract termination
  • Assistance with the reversal of contractual services
  • Enforcement of or defense against claims for damages

General Terms and Conditions (GTC)

General terms and conditions form the foundation of many business models. However, incorrect or ineffective clauses can cause considerable legal risks. In certain cases, individual contract components may be ineffective or even trigger legal disputes.

Carefully and individually drafted general terms and conditions create clear contractual relationships and reduce the potential for conflict.

Common errors in general terms and conditions and contract clauses

  • Use of outdated or inapplicable standard clauses
  • Ineffective clauses due to mandatory statutory provisions
  • Unclear or contradictory provisions on liability, warranty or withdrawal
  • Formulations that allow different interpretations

Our support with general terms and conditions and contractual clauses

We support companies in particular with

  • Creation of individual, legally compliant general terms and conditions
  • Review and revision of existing contractual terms and conditions
  • Adaptation to new legal requirements and market standards
  • Enforcement of or defense against claims arising from contractual clauses

Do you need to review or adapt your general terms and conditions?
Our contract law lawyers will be happy to advise you.

Contract law for digital business models and e-commerce

Digitalization gives rise to new forms of contract and legal requirements. Digital contracts, software licenses and e-commerce agreements are often subject to special legal requirements, for example in data protection or consumer protection law.

In addition, many digital business models have a cross-border structure, which can raise additional legal questions.

Typical contracts in the digital business area

  • SaaS and cloud contracts for digital platforms and software solutions
  • GTCs for online stores and e-commerce business models
  • Platform and marketplace contracts for digital services
  • Software license agreements for the regulation of usage rights
  • Data protection and data processing clauses in digital contracts

Our support in digital contract law

We advise and represent clients in particular on

  • Creation and review of digital contracts
  • Legal protection against liability and data protection risks
  • Structuring cross-border contract models
  • Enforcement or defense of claims in the event of breaches of contract in the online sector

Do you need legal support with digital contracts or e-commerce law?
Our contract law lawyers will be happy to assist you.

Lawyer for contract law

What we do for you

Contracts form the basis of business relationships. They regulate cooperation, investments and business processes and determine the legal framework of your business relationships.

Careful contract drafting creates clarity and reduces legal risks. At the same time, it is crucial to consistently enforce contractual claims if necessary.

Our support in contract law

We advise and represent clients in particular on

  • Analysis of existing contracts and identification of legal risks
  • Optimization and adaptation of contractual clauses
  • Support in contract negotiations and out-of-court settlements
  • Development of legal strategies to avoid disputes
  • Drafting international contracts for cross-border business relationships
  • Enforcement of contractual penalties and claims for security and damages

Our contract law lawyers support you both in the drafting and review of contracts and in the strategic enforcement of your contractual rights.

Do you need support in drafting contracts or enforcing your claims?
Our lawyers will be happy to advise you.

Initial meeting – in-depth analysis of your situation

For new inquiries, your contract law solicitor will first conduct a systematic initial consultation. This includes a detailed examination of the factual and legal situation in order to realistically assess the prospects of success of your case.

Duration: 60 minutes (incl. file study)

Fee: CHF 330 (flat rate)

Implementation: Optionally on site in our office in Winterthur, by video call or by telephone.
Structured process
  • Taking stock of the facts: discussing your personal concerns and recording all legally relevant details.
  • File review: Analysis of existing documents, official orders and evidence.
  • Initial legal assessment: Well-founded assessment of your legal options according to the current legal situation and practice.
  • Strategy & recommendations for action: Highlighting the next steps and making concrete recommendations for the next steps.
  • Mandating: If necessary, we clarify the conditions for further legal representation and the joint strategy.

Lawyer for contract law

Contract law issues often affect several areas of law

Contracts often do not stand alone. In many cases, contractual provisions also affect other areas of law, such as employment law, administrative law or social security law.

Legally compliant contract drafting therefore often requires a holistic view of the legal framework. Our law firm ensures that contracts are not only correctly drafted in terms of civil law, but also that related areas of law are taken into account.

Labor law


Employment contracts must not only comply with the contractual agreements of the parties, but also take into account mandatory labor law and social security regulations.

Migration law and administrative law


In the case of employment relationships with foreign workers, residence and permit law issues may play a role.

Animal rights

Contracts in connection with keeping animals, buying animals or liability issues can also entail special legal requirements.

By combining various specialist areas, we ensure that contracts are not only formally correct, but are also valid in their entire legal context.

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Lawyer for contract law – We support you every step of the way

Make an appointment

Call our law firm in Winterthur on +41 52 222 01 20or make an appointment online for an initial consultation.

Holiday break

Our office will be closed over the holidays. 

We will be available for you again from Monday, January 5, 2026.

We wish you happy holidays and a happy new year!