For most of publishing’s modern history, the audiobook was an afterthought — a subsidiary right handed to a publisher’s audio division in the same bundle as print and ebook, often for an advance that barely registered on the contract. That era is ending, and the institution doing the ending is not a tech platform or a publisher, but the literary agency. Across London, New York and Stockholm, a growing number of agencies are quietly building in-house audio production departments, commissioning recordings of their clients’ work themselves and licensing the finished product into distribution rather than selling the right outright.

The logic is arithmetic. Audio revenue has grown steadily while ebook growth has flattened, and agents who once accepted bundled audio terms now see a format that can out-earn hardback over a title’s life. “We ran the numbers on our midlist,” one London agent told us, asking not to be named because negotiations are ongoing with several publishers. “On a third of the list, the audio deal we had signed away was worth more than the print advance. Once you see that, you can’t unsee it.” Retaining the audio right and commissioning production directly turns the agency from a rights broker into a rights holder — a subtle shift with large consequences.

The operational barrier that once made this unthinkable — production expertise — has collapsed in cost and complexity. Studio-grade home recording chains that demanded six figures a decade ago now fit in a spare room; remote direction over video call has become routine since the pandemic normalised it; and a freelance production economy of editors, proof-listeners and mastering engineers now lets a two-person agency team shepherd a dozen titles a year. Several agencies have hired experienced audio producers away from publisher studios, and at least two major shops have appointed heads of audio with full P&L responsibility for the first time.

The new model runs roughly as follows. The agency retains audio rights at contract stage — increasingly a red-line item in negotiation — then packages the production itself: casting through its own relationships with narrators, scheduling around publication, and frequently releasing simultaneously with hardback to capture the launch window. Distribution is licensed rather than operated: deals with the major audio platforms and library suppliers allow the agency’s imprint to appear inside standard storefronts, with revenue flowing back at a considerably better margin than a surrendered right ever returned.

Royalty structures are evolving with it. Where author-audiobook splits were once simple percentages of publisher net receipts, agency-produced audio has introduced profit-participation models, with authors sharing in the upside of a format whose economics the agency now controls. Agents argue this aligns incentives: they market what they own. Publishers counter that coordinated launch marketing suffers when audio sits outside the house, and that simultaneous release demands — artwork, metadata, review copies — are harder to fulfil across a fragmented chain. Both are right, which is why hybrid arrangements are emerging: publishers buying audio back for lead titles, agencies retaining it for the midlist, with the dividing line negotiated title by title.

The risks are real. An agency that becomes a producer carries inventory risk in the form of advances to narrators and production costs on titles that may not earn out; a badly produced audio edition damages an author’s brand more directly than a weak cover. Credit terms with distributors can strain smaller agencies’ cash flow, and not every backlist title justifies the spend — a nine-hour literary novel with a dedicated narrator is a different proposition from a ninety-minute novella.

But the direction of travel is clear. Agencies have spent a century optimising the sale of rights; the next decade will test whether some of them can operate them. The first cohort of in-house audio departments will report their first full-year results next spring, and publishers are watching closely — some with acquisition interest of their own. The audiobook, once the quietest clause in the contract, has become the loudest negotiating table in the business.