Call answering for lawyers: costs and 4 options compared

Call answering for a law practice costs between roughly €70 and several hundred euros per month, depending on the model. An AI phone assistant is available from about €69 to €99 per month including appointment booking, while an external call center with 24/7 night coverage costs €300 to €700. Realistically, there are four options, and they differ significantly in price and effort.

For most law firms, this is not an academic question. A solo lawyer who is in court or in the middle of a client meeting can't pick up the phone at that moment, but still has to decide what happens to incoming calls.

What does call answering for lawyers cost, compared?

In terms of price, the four options are worlds apart, from roughly €70 per month for an AI phone assistant to several thousand euros in staffing costs for a permanent office employee. This price range matters because 83 percent of the roughly 167,500 licensed lawyers in Germany work as solo practitioners and therefore structurally don't maintain a full-time secretary of their own.

The comparison is worthwhile because external phone services calculate their prices so differently: some charge a small base fee plus a per-minute rate, others use pure pay-per-call models with no fixed costs. For a law firm with fluctuating call volume, that is an important difference, because costs track actual utilization directly.

Good to know: There is no legal obligation for law firms to be reachable around the clock. BRAO and BORA (the German federal lawyers' act and professional rules) only require reasonable availability during normal business hours and a suitable substitute arrangement in case of absence. For time-critical areas of law such as criminal defense, extended availability is still strongly recommended.

Secretary, call center, virtual assistant or AI: which option suits your law firm?

Each of the four options has a clear use case. A partnership with a stable client base and personal ties benefits from its own secretary, while a growing solo practice with high call volume outside office hours is better served by automation.

An in-house secretary knows the clients and the firm's tone best, but also ties up the most capital: according to a BRAK survey (the German Federal Bar), average net profit is around €75,000 per year for solo practices and around €595,000 for partnerships. A full-time position solely for answering the phone is therefore hardly economically viable for most solo practices.

An external phone service answers calls following a script, often with a live person on the other end and without a long contract commitment. The downside: the staff don't know the firm in detail and rarely can assess more complex legal questions themselves, so they mostly just take messages.

A virtual assistant works as a freelancer, often trained on the firm's software and with real understanding of deadlines and case numbers. The hourly rate of €15 to €100 pays off mainly for plannable, recurring tasks, but hardly for spontaneous calls in the middle of the night or on weekends.

At night and on weekends, the AI phone assistant comes into play, exactly where the other three options reach their limits. It is available around the clock, books appointments and pre-qualifies first contacts, and nobody has to sit by the phone at night. ScaleTalk positions itself in this segment as a German solution with servers in Frankfurt that, according to its own technology information, can be set up without programming skills. Law firms that already use the cloud phone system fonial get up and running within a few hours thanks to the native integration.

Which calls can be automated without jeopardizing attorney-client confidentiality?

New client inquiries and deadline or appointment requests can be automated most reliably in practice, as can general case status questions. The phone assistant usually recognizes the area of law and urgency from keywords such as "deadline", "statute of limitations" or "payment order" and then transfers the call immediately if necessary.

In custody cases, domestic violence or visibly strong emotional distress, however, handing over to a human should remain the standard. A quick transfer doesn't help in such moments; what's needed is a person who listens, and a language model simply can't provide that.

Legal basis: Since the 2017 reform, law firms may expose external service providers such as phone services, cloud providers or AI systems to client secrets without criminal liability, provided these are contractually bound to confidentiality. The basis is the revised Section 203 (3) and (4) of the German Criminal Code (StGB) and Section 43e BRAO, which require careful selection, a written obligation and instruction on the consequences of criminal liability.

The legislature has worded this clarification on outsourcing in law firms in technology-neutral terms. It therefore applies regardless of whether a call center employee or a language model is on the other end, because the written confidentiality agreement is the decisive factor.

What does a working setup for automated call answering in a law firm look like?

A practical setup needs four building blocks that work together day to day. This lets you handle most calls without switching media, while genuinely urgent cases still reach a human immediately.

For appointment booking and connecting to existing systems, an open integration pays off. Through direct calendar and law firm software integrations, you can connect Google Calendar and Microsoft Outlook directly, and via interfaces such as Zapier or n8n also systems like RA-MICRO, DATEV Anwalt or Advoware, without having to maintain data twice.

What does a provider have to demonstrate on data protection for law firms?

On the phone, every first contact generates personal and often case-relevant data, such as name, contact details and initial information about the area of law. That is exactly why every external provider, whether call center or AI system, must provide certain proof before a law firm should use it.

Recording and transcribing phone calls is subject to a particularly strict rule: an opt-out option alone is not sufficient.

DSK resolution of March 23, 2018:The German Data Protection Conference clarifies, that recording phone calls requires prior, active and informed consent, such as a spoken "yes" or a keypress. A mere notice with a right to object is not enough. Unauthorized recording is also a criminal offense under Section 201 StGB, punishable by up to three years' imprisonment.

For its own setup, ScaleTalk points to documented GDPR evidence with servers in Frankfurt, external auditing by DataGuard, and a DPA that is available to all customers. When choosing a provider, it pays to look at exactly these points, regardless of which of the four options a law firm chooses.

What do missed calls really cost a law firm?

A simple example calculation makes the difference tangible: with around 100 calls per month, 40 of them outside business hours, only about 15 percent leave a message according to a model calculation by LexDial, the rest is simply lost. With a typical call-to-client conversion rate of about 20 percent, this works out to six to seven lost client engagements per month.

At an assumed client value of €1,200, that results in lost revenue of €7,000 to €9,000 per month, significantly more than the €329 for a premium AI package or €500 to €700 for external night coverage. A second model calculation for a law firm with around 20 calls per day arrives at a similar finding: at an average call duration of four minutes, the phone workload adds up to about 27 hours per month, which at a secretary's hourly rate of €35 means roughly €950 in staffing costs for first contact alone. If an AI assistant takes over 60 to 80 percent of that, around €200 in AI operating costs often leaves savings of over €700 per month.

For context: How high the share of missed calls in law firms actually is varies widely across sources, from about 22 to over 60 percent. These figures come mostly from vendor studies and can't be independently verified. They are still useful as a rough guide for your own calculation, but not as a fixed benchmark.

A simple rule of thumb helps with your own decision: if you get fewer than 30 calls a day, almost exclusively during office hours, you can often get by with a virtual assistant or a part-time secretary. If you regularly miss calls outside business hours or on weekends, you usually earn back the cost of an AI phone assistant with just one or two additional client engagements per month.

The real decision: fixed costs or flexibility

In the end, it is less about the cheapest line item in the table than about how strongly a law firm wants to tie its availability to a fixed call volume. A secretary ties up fixed costs regardless of actual call volume, while an AI phone assistant scales with demand and can be adjusted monthly.

For the 83 percent of solo practices in Germany that rarely have staff to spare for a second full-time reception, the cost question looks different than expected: what ultimately costs more, the missed client engagements or the few hundred euros a month for round-the-clock availability?

If you want to work through your own call structure in concrete terms, you should first log the actual call volume outside office hours for four weeks and multiply that number by your own call-to-client conversion rate. That number is more honest than any flat price list.

Frequently asked questions about call answering for lawyers