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Insight

External legal department, in-house lawyers or a dedicated law firm?

A comparison of three models: costs, availability, specialisation and the right organisational structure for the legal needs of Mittelstand

| Reading time 12 min. | Author: Johannes Egelhof LL.M.

These days, almost every company needs legal support. The deciding factor is the type of organisation. While an in-house lawyer understands the business and is immediately available, they incur ongoing fixed costs and do not cover every area of specialism. A law firm can provide specialist expertise on demand, but must first familiarise itself with each new client’s case. This article demonstrates how an external legal department can combine the advantages of both models, and explains how standardisation, a clause library and a contract register can ensure a cost-effective legal function.

Typical areas of risk in Mittelstand

Legal risks in Mittelstand rarely arise solely in spectacular isolated cases. They often develop in the course of day-to-day business. Contracts are concluded under time pressure, responsibilities are unclear, deviations from standards are not documented, and legal issues only reach senior management once the financial leeway has already become limited.

Certain areas are regularly of particular relevance in this regard.

In procurement and the supply chain, the focus is on framework agreements, quality agreements, liability, supply failures, price escalation clauses, force majeure, tools, ownership and international sourcing.

In sales and customer contracts, the focus is on specifications, acceptance, warranty, limitation of liability, terms of payment, exclusivity, sales territories and contract termination.

Employment law concerns Mittelstand in relation to recruitment, variable remuneration, remote working, terminations, contracts for managing directors and senior executives, and organisational changes.

In company law, key areas include shareholders' resolutions, powers of attorney, duties of corporate bodies, intra-group contracts, shareholdings and the documentation of key decisions.

Compliance and regulatory requirements range from data protection, supply chains, export controls and sanctions, through competition law, to whistleblower schemes and sector-specific obligations.

In the areas of IP, IT and know-how, the focus is on trade marks, software, licences, development services, protection of trade secrets, data access and reliance on individual service providers.

Disputes and crises arise from bad debts, breaches of contract, product liability, shareholder disputes, restructuring and the threat of insolvency.

The biggest weakness is often not a lack of legal expertise in individual cases. The real problem is that there is no reliable process for identifying legal issues at an early stage, prioritising them according to their significance, and quickly referring them to the right department. A well-functioning legal organisation therefore addresses four practical questions.

Who is authorised to approve which contracts and risks? When is legal approval required? Which issues can be resolved using standard procedures, and when is specialist advice needed? Where are contracts, decisions and deadlines documented in a traceable manner?

In growing companies in particular, demand often outstrips the pace of formal organisational development. More staff, new customers, international suppliers and additional products do not merely generate more contracts; they also increase the number of points of interface where legal and commercial decisions converge.

Contract management rather than dealing with individual cases

The most effective way to ensure that the legal function operates cost-effectively is through standardisation. Reviewing every contract from scratch generates costs, lengthens turnaround times and ties up both internal and external resources dealing with recurring issues.

A robust contract management system consists of more than just model contracts. It integrates documents, processes and responsibilities.

Contract templates and clause library

Approved templates should be available for recurring business transactions, such as purchase, supply, customer, service, development, confidentiality and cooperation agreements. A clause library containing approved alternatives for typical points of negotiation provides additional support.

Negotiation Guidelines and Playbooks

A legal playbook sets out which positions can be accepted, where financial thresholds apply and when escalation is required. This enables procurement, sales and project management to conduct many negotiations more quickly and consistently.

Approval and escalation processes

Not every contract requires the same level of scrutiny. A risk-based process can differentiate according to contract value, term, liability, exclusivity, data protection, IP or regulatory relevance. Standard cases are processed more quickly, whilst critical deviations are referred to senior management or specialists at an early stage.

Contract register and deadline monitoring

A simple, well-maintained register provides transparency regarding contract terms, notice periods, renewals, responsible parties and key obligations. What matters most is not so much the technical complexity as a clear data structure and reliable maintenance.

Knowledge management

Recurring decisions should not be lost in individual email inboxes. Negotiating positions, approvals and lessons learnt must be documented in such a way that the company can reuse them.

Key performance indicators

Legal departments must be held to account by key performance indicators just as much as other corporate departments. Suitable indicators include the number and type of enquiries, average response and processing times, and the proportion of standardised contracts. Other relevant metrics include the most common deviations and reasons for escalation, external legal costs by area or project, and overdue contracts and notice periods. Recurring causes of disputes are also a relevant metric.

The aim is not to formalise every legal issue. However, effective standardisation creates scope for those cases where genuine legal and strategic judgement is required.

A comparison of costs and performance across three models

The economic assessment must not be limited to salary or hourly rates. Relevant factors include total costs, availability, specialisation, the time required for induction, cover arrangements and the ability to bring about lasting improvements to processes within the company.

  • In-house lawyers. The costs consist of ongoing staff costs, including employer contributions, plus recruitment, training, tools and cover. In return, this model offers direct knowledge of the company, high availability and proximity to management and specialist departments. Its limitations lie in the fixed costs, the risk of staff absence and recruitment, and the limited coverage of specialist areas. It is best suited to a consistently high, predictable workload with a daily need for advice.
     
  • Law firm on an as-and-when basis. Fees are charged on a variable basis, either by the hour or per project. Strengths include a high level of specialist expertise and flexible capacity, particularly for transactions and specialised matters. This is offset by the need for recurring induction, less involvement in day-to-day processes, and costs that are more difficult to predict. The model is suitable for ad hoc or highly specialised needs.
     
  • External legal department. Remuneration is based on a retainer, an hourly allowance, a flat fee or a hybrid model, supplemented by additional budgets for projects. Its strengths include a dedicated point of contact, growing familiarity with the company, standardised processes and access to specialists. This model requires clear interfaces, sufficient internal involvement and a clear definition of services. It is suitable for ongoing legal needs that are too limited or too variable to justify a full-time position.
     
  • Hybrid model. A core in-house capacity is combined with an external budget. This combines proximity to the business with specialist knowledge and flexible scalability, but requires clear roles and consistent cost control. The model is suitable for growing or international organisations dealing with a broad range of issues.
     

In-house lawyers

An in-house legal function fosters proximity to the business. The lawyer attends meetings, knows the key players and understands the commercial context without it having to be explained from scratch every time. This is particularly valuable when numerous questions arise on a daily basis or when legal decisions are closely linked to operational processes.

However, the actual costs exceed the gross salary. Added to this are employer contributions, bonuses, recruitment costs, office space, software, training, holiday pay, sick pay and, where applicable, additional legal firm costs for specialist matters. Furthermore, a single person cannot be available at all times nor cover all areas of law. An in-house lawyer is therefore not cost-effective simply on the basis of a company’s size alone. The decisive factors are whether there is sufficient ongoing work that can be handled effectively in-house, and whether the organisation can support the role both professionally and organisationally.

Law firm when needed

Engaging a law firm on an ad hoc basis makes sense when legal issues arise infrequently or require specialist expertise. This applies, for example, to corporate acquisitions, major litigation, complex employment law cases, regulatory proceedings or specific IP and tax matters.

In the case of recurring day-to-day business, however, inefficiencies arise. Each time, the facts of the case must be explained anew, contact persons identified, conflict checks carried out and budgets approved. Furthermore, when different law firms work without central coordination, this can lead to duplication of effort, conflicting recommendations and a lack of institutional knowledge.

External legal department

An external legal department does not merely handle individual mandates, but takes on permanently defined tasks within the legal function. It is familiar with the business model, the contractual landscape, the risk profile and internal contacts. This reduces the time needed for induction, and recurring issues can be dealt with systematically rather than in isolation.

Fees can be structured as a monthly retainer, an hourly allowance, a capped budget or a combination of a basic package and project-based billing. A retainer is not an end in itself. It only works if the scope of services, expected volume, response times and additional services are described transparently.

Hybrid model

For many larger medium-sized companies, the best solution is not an either/or decision. An in-house generalist or legal operations manager can coordinate day-to-day operations, whilst an external legal department provides additional capacity and specialist knowledge. Conversely, an external function can lay the groundwork for the future establishment of an in-house department and create processes, templates and a database.

When to choose which model

The right organisational structure cannot be determined solely on the basis of turnover, headcount or the number of contracts. The key factor is the nature of the legal requirements.

A law firm on an as-and-when basis. This solution is suitable if legal issues arise only occasionally, the matters are highly specialised and independent of one another, or an experienced internal contact person takes charge of managing them. The same applies where there is no need for ongoing response times or responsibility for legal proceedings, or where the focus is on larger individual projects.

External legal department. This is suitable when contracts need to be reviewed and negotiated on a regular basis, when procurement, sales or managing directors require a dedicated point of contact, or when recurring queries need to be standardised. It is also suitable where, although there is a need, it remains too small or too variable to justify a dedicated full-time position; where several countries, locations or specialist departments need to be coordinated; or where external specialists and local law firms need to be managed centrally. The desire to make budgets, response times and responsibilities more predictable is another argument in favour of this model.

In-house lawyers. They are suitable where there is a consistently high daily workload, where legal advice needs to be closely integrated into management and operational decisions, or where the establishment of internal governance, compliance and legal operations justifies a full-time role. The same applies where sensitive or strategic issues require a constant in-house presence and the company is able to develop the role professionally, represent it effectively and utilise its capacity over the long term.

Hybrid model. This is suitable where a small in-house legal function already exists that requires additional capacity or specialist knowledge, or where an international group of companies coordinates different law firms and jurisdictions. It is also suitable where standard operational work is to be handled in-house whilst complex matters are dealt with externally, or where the legal function of a growing company is to be professionalised in stages.

A practical indicator is not just the number of enquiries, but their distribution. Many small, time-sensitive queries tend to favour a permanently available in-house function. A few large, specialised projects tend to favour individual mandates. A mix of both often calls for a hybrid model. Internal connectivity is equally important. Even an external legal department needs points of contact, information and decisions. If contracts cannot be found, responsibilities keep changing and approvals are not forthcoming, no model can operate efficiently.

The economically sound solution is therefore one that does not merely purchase legal advice, but improves the entire process from the receipt of an enquiry through to the implementation of the decision.

Scope of Services and Service Levels

An external legal department should be structured as a defined function rather than an unlimited blanket commitment. The contract must clearly set out which services form part of the standard scope, which matters are to be commissioned separately, and how urgent cases are to be handled.

Typical services include the centralised receipt and prioritisation of legal enquiries, the review, drafting and negotiation of ongoing contracts, and the maintenance and further development of contract templates and legal playbooks. In addition, this includes advising the managing director, procurement, sales and HR; corporate law administration, including the preparation of resolutions; and support with compliance, data protection and supply chain matters. The scope of services also includes training for specialist departments, contract registers with deadline and documentation processes, and the management of disputes, specialist law firms and local advisers. This is complemented by budget planning and reporting on ongoing legal matters, support for smaller projects and the preparation of larger transactions.

Certain areas are often deliberately excluded from the basic package or covered only up to a defined threshold, such as court and arbitration proceedings, M&A transactions, major financing deals and extensive restructurings. Internal investigations, highly specialised tax, competition, patent or regulatory matters, as well as exceptionally large-scale contractual projects, are usually agreed separately. Advice on foreign law is reserved for local law firms and is coordinated centrally.

A Service Level Agreement should cover the following points.

Points of contact and communication channels

Who is authorised to submit enquiries? Is there a central email address, a ticketing system or designated contact persons? What information must be provided with an enquiry?

Priorities and response times

An acknowledgement of receipt is not the same as the matter being resolved. It makes sense to have different categories, such as critical, urgent, standard and plannable, each with specified response and target processing times.

Availability and cover

Arrangements should be in place to cover holidays, sickness, peak workloads and absences. This is precisely where a team has an advantage over a single point of contact.

Capacity limits and escalation

At what scale or level of risk is a dedicated project budget required? Who approves additional expenditure? When is a partner, specialist or local consultant brought in?

Budget and invoicing

Retainer fees, included hours or service modules, the carry-over of unused allocations, overtime, expenses and third-party costs must be described transparently. Monthly reporting prevents surprises.

Documentation and data access

Where are contracts, deliverables and decisions stored? Which systems is the external legal function permitted to use? How are confidentiality, access rights and data protection organised?

Quality and improvement

Regular reviews should examine not only open cases but also root causes and processes. If the same contract clause is renegotiated every month, the solution may not lie in more advice, but in a better standard.

A good service level agreement does not create unnecessary bureaucracy. It ensures that companies and advisers share the same expectations regarding scope, speed and responsibility.

Decision Guide

The following steps will help you choose the right model.

1. Assess your legal needs

Enquiries, contracts, projects, disputes and external costs should be collated over a representative period. Tasks that are currently handled by managing directors, procurement, HR or sales without legal support should also be taken into account.

2. Categorise needs by type and urgency

Which issues are recurring and can be standardised? Which ones require specialist knowledge? How many queries are time-sensitive? How much does the workload fluctuate?

3. Compare total costs

With the in-house model, it is not just salary that counts, but all personnel, infrastructure, cover and training costs. For law firms, internal coordination and induction times are relevant in addition to fees. In the case of a retainer, it is important to check exactly which services are actually included.

4. Assess internal resources and responsibilities

Who manages the legal function? Who makes business decisions? Who maintains templates, registers and approvals? An external model does not replace the company’s responsibility for decisions and implementation.

5. Define the required scope of coverage

The following need to be clarified: areas of law, countries, languages, availability, representation, management consultancy and the coordination of other specialists.

6. Determine the initial model

Companies do not have to commit to a single model permanently. An external legal department can initially start with a clearly defined area, such as procurement, sales or contract management. Following a pilot phase, the scope, remuneration and interface can be adjusted based on actual data.

7. Make success measurable

Possible targets include shorter contract terms, fewer unreviewed deviations, better control of deadlines, more transparent external costs and earlier involvement in critical decisions.

8. Plan for scalability

If demand grows on a sustained basis, an in-house legal function can be established at a later stage. The external legal department can then take on specialist matters, representation or international coordination. Conversely, a small in-house department can be flexibly expanded with the support of an external team.

The decision is therefore rarely a definitive choice between ‘in-house or law firm’. A more sensible question is: Which tasks need to be handled internally, which require ongoing external support, and which should be specifically outsourced to specialists?

About the author

Johannes Egelhof
Johannes Egelhof LL.M.
Partner · M&A & Company Law
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Johannes Egelhof, LL.M., advises medium-sized companies on setting up and managing their legal functions. He supports day-to-day contract and risk management, coordinates international advisers and combines operational legal advice with standardised processes and predictable cost control.

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Frequently asked questions about the external legal department

An external legal department is a permanently integrated, outsourced legal function. It carries out defined tasks such as contract review, advising the managing director, standardisation, risk management and the coordination of specialists, without the company necessarily having to employ its own lawyers for this purpose.

This model is particularly suitable for companies with regular but fluctuating legal needs, for which a dedicated full-time legal role would not yet be cost-effective or provide sufficient specialist expertise. Even small in-house teams can supplement their capacity, cover and specialist knowledge with an external legal department.

Options include a monthly retainer, an hourly allowance, a capped budget, or a hybrid model combining an ongoing basic package with separate project budgets. It is essential that the scope of services, overtime, third-party costs and reporting are clearly defined.

The Service Level Agreement should set out points of contact, priorities, response times, availability, cover arrangements, service limits, escalation procedures, budget approvals, documentation and reporting. This makes it clear what service can be expected, within what timeframe and under what conditions.

It generally makes sense to have a dedicated in-house legal function where there is a consistently high and predictable daily workload, where legal advice needs to be closely integrated into operational decision-making, and where the company can ensure the role is fully utilised, develop the role professionally and ensure continuity in the long term. Specialised matters are, however, often outsourced.

Risks arise particularly frequently as a result of non-standardised contracts, unclear responsibilities, a lack of approval processes, unmonitored deadlines, and delayed involvement of the employment law, compliance, liability, IP and corporate crisis management teams. Effective legal management therefore reduces risks in individual cases whilst also improving internal processes.

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