Preditors and Editors ™

A guide to publishers and publishing services for serious writers

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Agent Listings - O

A B C D E F G H I J K L M N O P Q R S T U V W XYZ

    Suggested Etiquette for Contacting Agents:
  1. Do not send attached files containing manuscripts to agents unless the agent's guidelines expressly state that those are acceptable within initial correspondence.
  2. Email messages should be kept to a length of one or two pages unless explicitly invited to send a manuscript or sample chapters.
  3. Authors should advise an agent where the agent was found listed. This helps them offer updates to any incorrect listings.
  4. Do not send synopses to screenplay agents or movie production companies.
    Some listings offer legal services only:
  5. Do not send queries or submissions to legal services unless the agency specifically states it handles both literary and legal representation.
P&E lists agents by first name just like businesses because businesses don't have last names.

$ - Indicates verified sales to legitimate royalty-paying publishers on record.

AAR, RWA - Indicates membership in organization or recognition.


O-Squared Literary Agency: A literary agency. Address unknown.

O'Donnell Literary Services: Charges fee. Not recommended. A literary agency.

Objective Entertainment: Will "represent clients in book publishing, dramatic writing, and talent, and will develop and produce properties for television and film." Contact information unavailable.

Ocean State Lawyers for the Arts: Recommended. Serves the Rhode Island area with volunteer lawyer services. Contact at:

PO Box 19
Saunderstown, RI 02874
Tel: 401 789-5686

Olga Weiser: A literary agent with Wieser & Wieser, Inc.

Oli Munson: $ A literary agent with the Blake Friedmann Literary Agency.

Olivia B. Blumer: An agent (Literary, Adult) with The Karpfinger Agency.

Omibus, The: "an editorial and multimedia marketing firm that promotes writers, artists, and musicians." 9/18/03: link not working.

123LiteraryAgency: Charges fee. Not recommended. a literary agency.

ONK Agency Ltd.: A literary agency serving Turkey. Contact at:
Inonu Caddesi, 31-7
Taksim, 34437 Istanbul, Turkey

OnyxHawke Agency, The: A literary agency. Specializes in science fiction and fantasy.

Oppedahl & Larson: A law firm offering patent, copyright, trademark, trade secret, and other intellectual property services. This Web site is intended to provide information about intellectual property and about the firm. NOT A LITERARY AGENT.

Orathai Shotprayanakul: $ A literary agent at Tuttle-Mori.

Otte Company, The: A literary agency. 8/19/04: a writer reports this agency not interested in children's stories. Contact at:

9 Goden St.
Belmont, MA 02178

Owen Laster: $ Retired. Formerly an agent (Literary, Adult) with William Morris Agency, Inc.

Owen Prell Literary Agency: : Defunct. A literary agency.

Owl's Agency: $ Recommended. A Japanese literary agency. Further information unavailable.

Owlswick Literary Agency: A literary agency. Reported closed. Contact at:

123 Crooked Lane
King of Prussia, PA 19406-2570

Oxana Schroeder: $ Believed to be a literary agent. Contact info unavailable.

OxheadBooks: A literary agency. Link inactive.


$ - Indicates verified sales to legitimate royalty-paying publishers on record.