How GCs Should Manage Outside Counsel Relationships

October 19, 2026 · 9 min read

Jessica Nguyen is President, Chief Strategy and Legal Officer at Sandstone.

Outside counsel still absorbs close to half of what corporate legal departments spend. The 2026 ACC Law Department Management Benchmarking Report, drawn from 576 departments in 45 countries, put outside counsel at 47% of total legal spend, up from 45% the year before. Alternative providers and technology together took just 8%. For most in-house legal teams, that makes the firm roster the largest line in the budget yet one of the least systematically managed. Outside counsel relationship management is how a general counsel closes that gap: a deliberate program for working with firms that retains what the department learns from each engagement.

What is outside counsel relationship management?

It is the structured process a department uses to select the external law firms that handle its legal matters, govern how they deliver the work, and evaluate the results over time. The scope covers panel selection, written guidelines, budget oversight, knowledge capture, and performance tracking, which together determine whether firm spend buys the outcomes the business needs.

The discipline overlaps with vendor management, and many teams run it through the same procurement controls they apply to any supplier. Law firms differ from other suppliers in what they deliver. A software vendor delivers a defined product, while a law firm delivers judgment on matters where the stakes and the company's appetite for risk change from one engagement to the next. Effective outside counsel management therefore treats firms as an extension of the in-house team, since a firm's advice is only as good as its understanding of the business.

Larger departments often formalize this inside enterprise legal management systems that combine matter management with e-billing. Smaller teams tend to run it through spreadsheets and the memory of whoever has worked with each firm longest, although the components they need are the same.

Why firm relationships fail without structure

Without a formal program, the same problems appear in nearly every department, and they compound as the firm roster grows.

Scattered communication across systems

Requests to outside firms and the updates that come back are spread across email threads, Slack messages, and whatever matter tool the team uses, with no single record of who asked for what. As a result, attorneys duplicate requests to the same firm and deadlines slip unnoticed. This is the same problem that undermines internal legal request management, since work arriving through many channels needs one place where it is logged and tracked.

No visibility into legal spend

When spend data sits in invoices reviewed one at a time, a general counsel cannot see total outside counsel spend by firm, matter type, or business unit, so an overrun in one practice area stays hidden inside an on-track total. Budget forecasting becomes guesswork, and cost conversations with finance or with the firms themselves rest on impressions rather than numbers.

Institutional knowledge locked in silos

Negotiation history, precedent, and notes on how each firm performed usually live in individual inboxes or in the heads of the lawyers who managed the matters. When those people leave, the department loses the record of what it agreed to and which partners delivered, so the next engagement with that firm starts from zero.

Inconsistent expectations and guidelines

Without codified outside counsel guidelines, each attorney applies their own standards for billing and staffing. Firms receive mixed signals about what the company will pay for, producing invoice disputes that a written standard would prevent.

Core components of an outside counsel program

A mature program rests on five components, and the later ones depend on the data the earlier ones produce.

Panel selection and governance

A preferred law firm panel concentrates work with a curated group of firms chosen for their expertise and rates. Many departments run a formal RFP process to build the panel, then tier it so that primary firms receive most of the strategic work while secondary firms cover overflow or niche specialties. Panel management continues after selection through reviews every one to two years, since a panel that never changes gives firms little reason to compete on value.

Written outside counsel guidelines

Outside counsel guidelines, often called OCGs, codify the department's expectations for billing, staffing, communication, and deliverables. They complement the engagement letter: the letter sets the legal terms of the representation, and the guidelines cover the operational side of the relationship. The ACC recommends treating them as an instruction manual for the firm and revisiting them at least every 18 months as the program matures. Billing guidelines are usually the most detailed section, specifying what counts as billable work and whether block billing is permitted.

Budget and matter management

Budgets should be set at matter inception and tracked against actuals as the work proceeds, so that overruns appear while there is still time to change course. By contrast, teams that rely on invoice review alone discover cost problems after the money is spent. E-billing systems check invoices against billing guidelines automatically. In-house legal matter management software can hold the budget, scope, and status of each matter in one place.

Knowledge capture and reuse

Every engagement produces information the department will need again, from negotiated positions to an honest assessment of the firm's performance. Capturing that information at matter close turns individual engagements into institutional learning, and it gives the next attorney who engages the same firm a starting point.

Performance tracking and evaluation

Performance tracking gives general counsel an objective basis for firm decisions. Useful metrics include budget adherence, guideline compliance, staffing mix, and responsiveness, reviewed on a fixed cadence and compared across firms doing similar work. Rate benchmarking against peer firms adds context to those numbers, particularly when rates come up for renegotiation.

Best practices for managing outside counsel

The following outside counsel management practices apply whether a department is building its first program or tightening an existing one.

1. Define when to send work outside versus handle internally

Departments should decide which matters go outside using set criteria. A simple rubric applied as part of the legal intake process keeps outside spend focused on work where external expertise adds value:

Complexity: Bet-the-company litigation or niche regulatory matters often require outside expertise, and big law firms may be the right fit for the highest-stakes work.
Capacity: Overflow work during peak periods may justify external support, provided the department has an accurate picture of its own bandwidth.
Cost: Routine, repeatable work is usually more cost-effective in-house or with alternative legal service providers.

Brightflag recommends scoring each matter for risk and complexity when it arrives, so the decision to send it out is repeatable rather than made under deadline pressure. Capacity is the criterion departments most often judge by feel, even though it is the easiest to measure with data on current workload.

2. Codify expectations in outside counsel guidelines

Document billing and staffing expectations, and share the guidelines before the engagement begins rather than after the first invoice. Sharing them early matters because firms need time to brief their billing coordinators, and the ACC suggests periodic training sessions after launch to keep compliance high. Guidelines should also address commercial terms, including rate increase requests and alternative fee arrangements. According to the 2026 ACC benchmarking report, 25% of departments now use alternative fee arrangements, mostly fixed fees.

3. Assign a relationship owner on both sides

Designate a single point of contact within the department for each key firm, and require the firm to do the same. These contacts own the overall relationship outside any single matter, streamlining communication and giving both sides a regular venue for feedback on cost and performance. On the in-house side, the role often sits with legal operations professionals or with the senior attorney who manages the most matters with that firm.

4. Capture knowledge from every engagement

After each matter, record the key positions taken and an honest note on what worked. A short structured debrief at matter close is enough, provided it is stored where the next attorney will find it. Departments that already maintain negotiation playbooks can add firm-negotiated positions to them. Precedent set by a firm then becomes part of the department's standard legal playbook.

5. Manage budgets actively throughout each matter

Set phase-based budgets and require firms to flag projected overruns. Regular check-ins on matter progress catch scope changes early, when a conversation about direction is far easier than one after the budget is exhausted. Legal spend management tools can automate much of the tracking, but the in-house team still has to ask for updates.

6. Conduct systematic outside counsel performance reviews

Schedule formal reviews quarterly or annually and score every firm against the same criteria, so results are comparable across the law firm panel. Dashboards that track spend and budget adherence by firm make these reviews faster to prepare and harder to dispute. Feedback should flow both ways, since firms improve faster when they know how the department sees them, and the department learns where its own instructions caused friction.

Staffing data has become more useful in these reviews because AI is changing how firms resource matters. Brightflag's 2026 Outside Counsel Benchmarking Report found that average team sizes on litigation and M&A matters fell over the past year, giving departments a concrete benchmark to raise with firms that have not adjusted. The same performance metrics also belong in the KPIs a general counsel reports to leadership.

How in-house teams build lasting outside counsel partnerships

The departments that get the most from their firms treat them as strategic partners, and they invest in the structure that partnership requires. A firm that understands the company's risk management priorities and its prior matters gives better advice and spends less of the budget getting up to speed. That understanding depends on context the in-house team holds, so the quality of a firm's work depends partly on how well the department organizes and shares what it knows.

Technology determines how much of that context the department retains. When the history of each firm relationship is spread across inboxes and spreadsheets, it is lost each time a matter closes or an attorney leaves. When it stays connected to the matters, documents, and people involved, it accumulates, and the firm roster becomes a source of advantage for the business.

Sandstone connects every company, person, and document tied to legal work, including the law firms and outside lawyers a department relies on. As a result, context arrives with each request instead of being rebuilt from memory. Work forwarded from outside counsel lands in the same intake as requests from the business. Negotiated positions go into AI-assisted playbooks that improve with each use, and reporting on workload and capacity shows what the team can handle before work goes out. That connected record of firms, people, and matters is what Sandstone means by Legal Relationship Management.

Learn how Sandstone enables in-house legal departments with AI.

FAQs about managing outside counsel

How many people does it take to run an outside counsel program?

Staffing depends on the size of the department and its volume of outside counsel spend. Many mid-sized departments assign oversight to a legal operations manager or designate a senior attorney as relationship owner for each key firm, while larger departments with significant spend often build dedicated vendor management roles within legal ops.

How long does it take to stand up an outside counsel program?

Foundational elements such as written guidelines and a preferred panel typically take a few months to put in place. Mature programs with integrated technology and formal performance reviews usually develop over one to two years, and the guidelines should keep evolving as the program does.

What role should AI play in managing outside counsel?

AI can automate invoice review against billing guidelines, surface relevant precedent and negotiation history when a new matter opens, and show patterns in spend and workload that would take weeks to assemble by hand. Paired with e-billing data, it frees general counsel, chief legal officers, and in-house counsel to spend their time on the firm relationships themselves rather than on administrative work.