In-House Hires From Law Firms: 59.3% Left Firms of 1,000+ Lawyers

For a general counsel, hiring in-house counsel from law firms is the main route to a new lawyer, and the pool has a clear shape. Sartori & Partners data show that 953 lawyers left a law firm for a company between May and October 2026, hired by 772 different employers. Set against the market for moves between firms, three features stand out. The largest firms supply most of these hires, associates dominate, and corporate lawyers go in-house far more often than their weight in lateral hiring would predict. Each one changes where a search should start and what it will cost.

The size of the firm a lawyer leaves is the sharpest signal in the in-house figures. Firms of 1,000+ lawyers were the firm left in 59.3% of moves to companies where the old firm's size is known. Firms of 400-999 lawyers supplied 24.1%, firms of 150-399 lawyers 12.3%, and firms under 150 lawyers only 4.3%.

Lateral traffic gives the yardstick. Over the last 3 years, firms of 1,000+ lawyers were the firm left in 56.6% of moves between firms, 2.7 points below their share of in-house moves. The gap is widest at the small end: firms under 150 lawyers were the firm left in 11.4% of lateral moves, 2.7 times their share of moves to companies. The windows differ, since moves in-house are tracked in full only from May 2026, but the direction is not in doubt: small-firm lawyers mostly move up to bigger firms, while large-firm lawyers are the ones companies hire.

For a company, this means the target list starts at the largest firms in the practice you need. Their lawyers have worked on big matters for demanding clients, which is usually what the role requires, and they are the group already making the move. The price is a pay benchmark set by large-firm salary scales. A candidate from a firm under 150 lawyers is rarer in this flow, which also means less competition for that candidate when the role suits broad, hands-on experience.

Practice mix is where in-house hiring departs most from the lateral market. In the Sartori & Partners lateral database, Corporate & M&A lawyers featured in 33.2% of moves to companies, against 20.7% of moves between firms over 12 months, a gap of 12.5 points. Litigation & Disputes is the largest practice on both routes, at 37.7% in-house and 39.9% lateral, so its weight is close to the market's. A lawyer can carry more than one practice, so these shares overlap and do not add up to a total.

The over-represented groups share a profile: they do work a company needs every week. Technology, data and privacy lawyers featured in 9.8% of in-house moves against 4.2% of lateral moves, 2.3 times the share. Intellectual property reached 12.9% against 7.4%. The practices that go in-house less than they move between firms are courtroom- and site-heavy: product liability and torts at 4.1% against 6.8%, construction at 4.0% against 6.0%. Employment and labor sits level, at 10.7% on both routes.

The corporate result cuts both ways for an employer. Corporate lawyers are over-represented among in-house candidates, at 1.6 times their lateral share, so a commercial or transactional role should fill faster than a litigation role of the same seniority. But many other companies want the same profile at the same time. A litigation hire means persuading a lawyer from a practice that moves in-house slightly less than it moves sideways: expect a smaller field and allow more time.

Seniority skews further still. Associates made up 76.7% of moves in-house, or 731 lawyers, against 58.5% of lateral moves in the 12 months to October 2026. Counsel took 12.0% and partners 11.0%, while partners were 27.7% of moves between firms. Only 105 partners left a firm for a company in 6 months, across every practice and city we track.

The level mix and the firm-size mix point the same way. Associates are the biggest group inside a large firm and the group that changes jobs most. Annual departures at the median firm of 1,000+ lawyers run at 14.8% of headcount, above the 13.2% median for every firm measured on firm websites since April 2026. That turnover is the supply companies draw on.

Write the role for the associate pool unless the job truly needs a partner's client and management experience. For a head-of-legal search, consider counsel as well: they moved in-house in about the same numbers as partners, 114 against 105 and often bring the supervisory experience the role needs.

In-house hiring is spread thin. The 953 moves went to 772 companies, about 1.2 lawyers for each employer, so most companies recruited one lawyer in the period. A short group hired at volume. Harvey ranks first, in the 21-40 band of lawyers hired from firms, followed by Amazon at 11-20 and Apple at 5-10.

Six of the eight named employers are technology businesses, and two of them, Harvey and Legora, build software for lawyers. They hire from firms because they need people who know from the inside how legal work gets done. The other two are a bank, Capital One, and a carmaker, Stellantis. These are employers of the lawyers, not clients of their former firms.

If your company recruits technology, data and privacy or intellectual property lawyers, these are the employers bidding for the same people, and the share of 9.8% for technology lawyers shows how sought-after that profile is. Candidates will weigh equity and product exposure alongside salary. An offer built on title and pay alone can lose to one that gives the lawyer ownership of a new area.

Location narrows the search again. New York was the city left in 16.1% of moves to companies, against 13.2% of lawyers leaving for another firm over 12 months. Washington, DC reached 7.3% against 5.0%, and San Francisco 5.5% against 2.9%. London, at 8.2% against 7.6%, sits close to its lateral weight. Los Angeles is the one large hub below it, at 3.0% against 4.1%.

A legal team in New York, Washington or the Bay Area recruits from the deepest local pool, where lawyers already leave firms for companies at a rate above their lateral weight. In Los Angeles the in-house flow is thinner than lateral activity suggests, so plan for a wider search, a relocation package or hybrid terms. Houston and Dallas together supplied 44 moves in 6 months: a Texas hire is often a search across both cities.

Four decisions follow from the figures. On sourcing, start with associates at firms of 1,000+ lawyers, who make up the bulk of the flow at 59.3% by firm left and 76.7% by level. On practice, a corporate role draws on the deepest pool, at 33.2% of in-house moves, while a litigation or construction role needs more time and a wider net. On pay, benchmark against large-firm associate scales and, for technology or intellectual property profiles, against the technology employers in the table above. On seniority, open senior roles to counsel as well as partners.

Keep the scale in view. Sartori & Partners counts 13.1 moves in-house for every hundred lateral moves between firms, so the lawyer you want is usually weighing an offer from another firm too. Move quickly once a candidate is engaged, and make the case for the in-house role on the work itself: breadth, proximity to the business and a defined area of ownership.