Real estate agents in Texas can work only on behalf of a licensed real estate broker. The sponsoring broker for Oliver R Biggers is Swearingen Realty Group, Llc (Real Estate Broker LLC).
Real estate license needs to be renewed every 2 years. Sales Agents and Brokers need to complete atleast 18 hours of Continuing Education to become eligible for renewal. Oliver R Biggers has successfully completed following courses as part of qualifying and continuing education. 
| Course Name (course number) | Course Provider | Course End Date | Hours | 
|---|
| Texas Common Legal Issues in Real Estate (36029) | Champions School of Real Estate, LTD | 2019-07-28 | 4 | 
| Selling to Different Generations (33929) | Champions School of Real Estate, LTD | 2019-07-28 | 2 | 
| Success Strategies (33606) | Champions School of Real Estate, LTD | 2019-07-28 | 4 | 
| Legal Update II (2018-2019) (33198) | Champions School of Real Estate, LTD | 2019-07-28 | 4 | 
| Legal Update I (2018-2019) (33197) | Champions School of Real Estate, LTD | 2019-07-28 | 4 | 
| Strategies for Career Excellence (30070) | Lone Star College Tomball | 2017-07-31 | 8 | 
| Technology Update (29972) | Lone Star College Tomball | 2017-07-31 | 2 | 
| Legal Update II (29623) | Lone Star College Tomball | 2017-07-31 | 4 | 
| Legal Update I (29622) | Lone Star College Tomball | 2017-07-31 | 4 | 
| Real Estate Game Changers (26671) | Lone Star College Tomball | 2015-07-29 | 9 | 
| TREC Legal Update MCE (26448) | Lone Star College Tomball | 2015-07-29 | 3 | 
| TREC Ethics MCE (26447) | Lone Star College Tomball | 2015-07-29 | 3 | 
| TEXAS REAL ESTATE CONTRACTS (25532) | Lone Star College Tomball | 2013-07-30 | 3 | 
| BROKER RESPONSIBILITY COURSE (CCR) (24228) | Lone Star College Tomball | 2013-07-30 | 6 | 
| TREC Ethics MCE (23559) | Lone Star College Tomball | 2013-07-30 | 3 | 
| TREC Legal Update MCE (23558) | Lone Star College Tomball | 2013-07-30 | 3 | 
| FARM AND RANCH REAL ESTATE (19256) | Lone Star College Tomball | 2011-07-25 | 9 | 
| TREC LEGAL UPDATE MCE (L) (CORRESPONDENCE) (18654) | Lone Star College Tomball | 2011-07-21 | 3 | 
| TREC ETHICS MCE (E) (CORRESPONDENCE) (18655) | Lone Star College Tomball | 2011-06-26 | 3 | 
| PROPERTY MANAGEMENT I (811) | Champions School of Real Estate, LTD | 2010-07-22 | 30 | 
| RE MKT-BUSINESS BROKERAGE (531) | Champions School of Real Estate, LTD | 2010-07-15 | 30 | 
| ALL RELATED (EXCEPT R.E.) (6100) | SCHOOLS FROM WHICH RELATED CREDIT IS ACCEPTED | 2008-02-04 | 60 | 
| REAL ESTATE INVESTMENTS I (911) | Lone Star College Tomball | 2007-12-10 | 30 | 
| Principles of Real Estate II (112) | Lone Star College Tomball | 2007-12-06 | 30 | 
| LAW OF AGENCY (1111) | Lone Star College Tomball | 2007-12-04 | 30 | 
| PRINCIPLES OF REAL ESTATE I (111) | Lone Star College Tomball | 2007-11-27 | 30 | 
| LAW OF CONTRACTS (1200) | Lone Star College Tomball | 2007-11-24 | 30 |