Form: SC 13G

Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions

February 2, 2007

SC 13G: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions

Published on February 2, 2007




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UNITED STATES OMB APPROVAL
SECURITIES AND EXCHANGE COMMISSION ------------------------------
Washington, D.C. 20549 OMB Number 3235-0145
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Expires: February 28, 2009
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hours per response . . . 11


INITIAL SCHEDULE 13G


Under the Securities Exchange Act of 1934


Barrett Business Services, Inc.
- -------------------------------------------------------------------------------
(Name of Issuer)

Common Stock
- -------------------------------------------------------------------------------
(Title of Class of Securities)

068463108
- -------------------------------------------------------------------------------
(CUSIP Number)

December 31, 2006
- -------------------------------------------------------------------------------
(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

|x| Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)


*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).








PAGE 1 OF 9 PAGES




- ---------------------- ---------------------
CUSIP No. 068463108 13G Page 2 of 9 Pages
- ---------------------- ---------------------

- -------------------------------------------------------------------------------

1 NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only).

Manulife Financial Corporation

- -------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_|
(b) |_|
N/A
- -------------------------------------------------------------------------------
3 SEC USE ONLY

- -------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION

Canada

- -------------------------------------------------------------------------------
5 SOLE VOTING POWER

-0-
--------------------------------------------------------
Number of 6 SHARED VOTING POWER
Shares
Beneficially -0-
Owned by --------------------------------------------------------
Each 7 SOLE DISPOSITIVE POWER
Reporting
Person -0-
With --------------------------------------------------------
8 SHARED DISPOSITIVE POWER

-0-
- --------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

None, except through its indirect, wholly-owned subsidiaries, MFC
Global Investment Management (U.S.A.) Limited, John Hancock Advisers,
LLC and MFC Global Investment Management (U.S.), LLC
- --------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

N/A
- --------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

See line 9 above.
- --------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*

HC
- --------------------------------------------------------------------------------

*SEE INSTRUCTIONS BEFORE FILLING OUT!
PAGE 2 OF 9 PAGES




- ---------------------- ---------------------
CUSIP No. 068463108 13G Page 3 of 9 Pages
- ---------------------- ---------------------

- -------------------------------------------------------------------------------

1 NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only).

MFC Global Investment Management (U.S.A) Limited

- -------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_|
(b) |_|
N/A
- -------------------------------------------------------------------------------
3 SEC USE ONLY

- -------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION

Canada
- -------------------------------------------------------------------------------
5 SOLE VOTING POWER

3,651
--------------------------------------------------------
Number of 6 SHARED VOTING POWER
Shares
Beneficially -0-
Owned by --------------------------------------------------------
Each 7 SOLE DISPOSITIVE POWER
Reporting
Person 3,651
With ---------------------------------------------------------
8 SHARED DISPOSITIVE POWER

-0-
- -------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

3,651
- -------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

N/A
- -------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

.03%
- -------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*

IA
- -------------------------------------------------------------------------------

*SEE INSTRUCTIONS BEFORE FILLING OUT!
PAGE 3 OF 9 PAGES




- ---------------------- ---------------------
CUSIP No. 068463108 13G Page 4 of 9 Pages
- ---------------------- ---------------------

- -------------------------------------------------------------------------------

1 NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only).

John Hancock Advisers, LLC

- -------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_|
(b) |_|
N/A
- -------------------------------------------------------------------------------
3 SEC USE ONLY

- -------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware
- -------------------------------------------------------------------------------
5 SOLE VOTING POWER

-0-
--------------------------------------------------------
Number of 6 SHARED VOTING POWER
Shares
Beneficially 603,350
Owned by --------------------------------------------------------
Each 7 SOLE DISPOSITIVE POWER
Reporting
Person -0-
With ---------------------------------------------------------
8 SHARED DISPOSITIVE POWER

603,350
- -------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

603,350
- -------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

N/A
- -------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

5.4%
- -------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*

IA
- -------------------------------------------------------------------------------

*SEE INSTRUCTIONS BEFORE FILLING OUT!
PAGE 4 OF 9 PAGES




- ---------------------- ---------------------
CUSIP No. 068463108 13G Page 5 of 9 Pages
- ---------------------- ---------------------

- -------------------------------------------------------------------------------

1 NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only).

MFC Global Investment Management (U.S.), LLC

- -------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_|
(b) |_|
N/A
- -------------------------------------------------------------------------------
3 SEC USE ONLY

- -------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware
- -------------------------------------------------------------------------------
5 SOLE VOTING POWER

1,440
--------------------------------------------------------
Number of 6 SHARED VOTING POWER
Shares
Beneficially 603,350
Owned by --------------------------------------------------------
Each 7 SOLE DISPOSITIVE POWER
Reporting
Person 1,440
With ---------------------------------------------------------
8 SHARED DISPOSITIVE POWER

603,350
- -------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

604,790
- -------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

N/A
- -------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

5.4%
- -------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*

IA
- -------------------------------------------------------------------------------

*SEE INSTRUCTIONS BEFORE FILLING OUT!
PAGE 5 OF 9 PAGES



Attention: Intentional misstatements or omissions of fact constitute Federal
criminal violations (See 18 U.S.C. 1001)

Item 1(a) Name of Issuer:
Barrett Business Services, Inc.

Item 1(b) Address of Issuer's Principal Executive Offices:
8100 NE Parkway Drive
Suite 200
Vancouver, Washington 98662

Item 2(a) Name of Person Filing:
This filing is made on behalf of Manulife Financial Corporation
("MFC"), and MFC's indirect, wholly-owned subsidiaries, MFC
Global Investment Management (U.S.A.) Limited ("MFC Global"),
John Hancock Advisers, LLC ("JHA") and MFC Global Investment
Management (U.S.), LLC ("MFC Global (U.S.)").

Item 2(b) Address of the Principal Offices:
The principal business offices of MFC and MFC Global are located
at 200 Bloor Street, East, Toronto, Ontario, Canada, M4W 1E5;
JHA is located at 601 Congress Street, Boston, Massachusetts
02210; and MFC Global (U.S.) are located at 101 Huntington
Street, Boston, Massachusetts 02199.

Item 2(c) Citizenship:
MFC and MFC Global are organized and exist under the laws of
Canada.
JHA and MFC Global (U.S.) are organized and exist under the laws
of the State of Delaware.

Item 2(d) Title of Class of Securities:
Common Stock

Item 2(e) CUSIP Number:
068463108

Item 3 If the Statement is being filed pursuant to Rule 13d-1(b), or
13d-2(b), check whether the person filing is a:

MFC: (g) (X) Parent Holding Company, in accordance with
ss.240.13d-1(b)(ii)(G).

MFC
Global: (e) (X) Investment Adviser registered under ss.203 of
the Investment Advisers Act of 1940.

JHA: (e) (X) Investment Adviser registered under ss.203 of
the Investment Advisers Act of 1940.

MFC Global
(U.S.): (e) (X) Investment Adviser registered under ss.203 of
the Investment Advisers Act of 1940.

Item 4 Ownership:

(a) Amount Beneficially Owned: MFC Global has beneficial
ownership of 3,651 shares of Common Stock, JHA has
beneficial ownership of 603,350 shares of Common Stock and
MFC Global (U.S.) has beneficial ownership of 604,790 shares
of Common Stock. Through its parent-subsidiary relationship
to MFC Global, JHA and MFC Global (U.S.), MFC may be deemed
to have beneficial ownership of these same shares.


PAGE 6 OF 9 PAGES

(b) Percent of Class: Of the 11,251,075 shares outstanding as of
October 31, 2006, according to the issuer's quarterly report
on form 10-Q for the period ended September 30, 2006, MFC
Global held .03%, JHA held 5.4% and MFC Global (U.S.) held
5.4%. The aggregate percentage held as of December 31, 2006
(after eliminating double counting as a result of shared
investment or voting discretion) by all reporting persons
was 5.4%.

(c) Number of shares as to which the person has:

(i) sole power to vote or to direct the vote:
MFC Global has sole power to vote or to direct the
voting of the shares of Common Stock it beneficially
owns. MFC Global (U.S.) has sole power to vote or to
direct the voting of 1,440 shares of Common Stock it
beneficially owns.

(ii) shared power to vote or to direct the vote:
JHA has shared power to vote or to direct the voting of
the shares of Common Stock it beneficially owns. MFC
Global (U.S.) has shared power to vote or to direct the
voting of 603,350 shares of Common Stock it beneficially
owns.

(iii)sole power to dispose or to direct the disposition of:
MFC Global has sole power to dispose or to direct the
disposition of the shares of Common Stock it
beneficially owns. MFC Global (U.S.) has sole power to
dispose or to direct the disposition of 1,440 shares of
Common Stock it beneficially owns.

(iv) shared power to dispose or to direct the disposition of:
JHA has shared power to dispose or to direct the
disposition of the shares of Common Stock it
beneficially owns. MFC Global (U.S.) has shared power to
dispose or to direct the disposition of 603,350 shares
of Common Stock it beneficially owns.

Item 5 Ownership of Five Percent or Less of a Class:
Not applicable.

Item 6 Ownership of More than Five Percent on Behalf of Another Person:
Not applicable.

Item 7 Identification and Classification of the Subsidiary which
Acquired the Security Being Reported on by the Parent Holding
Company:
See Items 3 and 4 above.

Item 8 Identification and Classification of Members of the Group:
Not applicable.

Item 9 Notice of Dissolution of a Group:
Not applicable.

Item 10 Certification:
By signing below the undersigned certifies that, to the best of
its knowledge and belief, the securities referred to above were
acquired and are held in the ordinary course of business and
were not acquired and are not held for the purpose of or with
the effect of changing or influencing the control of the issuer
of the securities and were not acquired and are not held in
connection with or as a participant in any transaction having
that purpose or effect.


PAGE 7 OF 9 PAGES

SIGNATURE

After reasonable inquiry and to the best of its knowledge and belief, each
of the undersigned certifies that the information set forth in this statement is
true, complete and correct.


Manulife Financial Corporation


By: /s/ Scott A. Lively
Name: Scott A. Lively
Dated: February 2, 2007 Title: Attorney in Fact*


MFC Global Investment Management (U.S.A) Limited


By: /s/ Gordon Pansegrau
Name: Gordon Pansegrau
Dated: February 2, 2007 Title: General Counsel, Chief Compliance
Officer & Secretary


John Hancock Advisers, LLC


By: /s/ Francis V. Knox Jr.
Name: Francis V. Knox Jr.
Dated: February 2, 2007 Title: Vice President and Chief Compliance
Officer


MFC Global Investment Management (U.S.), LLC


By: /s/ Francis V. Knox Jr.
Name: Francis V. Knox Jr.
Dated: February 2, 2007 Title: Vice President and Chief Compliance
Officer

* Signed pursuant to a Power of Attorney dated January 31, 2007 included as an
Exhibit to Schedule 13G filed with the Securities and Exchange Commission by
Manulife Financial Corporation on February 1, 2007.



PAGE 8 OF 9 PAGES

EXHIBIT A
JOINT FILING AGREEMENT
----------------------

Manulife Financial Corporation, MFC Global Investment Management (U.S.A.)
Limited, John Hancock Advisers, LLC and MFC Global Investment Management (U.S.),
LLC agree that the Initial Schedule 13G to which this Agreement is attached,
relating to the Common Stock of Barrett Business Services, Inc., is filed on
behalf of each of them.


Manulife Financial Corporation


By: /s/ Scott A. Lively
Name: Scott A. Lively
Dated: February 2, 2007 Title: Attorney in Fact*


MFC Global Investment Management (U.S.A) Limited


By: /s/ Gordon Pansegrau
Name: Gordon Pansegrau
Dated: February 2, 2007 Title: General Counsel, Chief Compliance
Officer & Secretary


John Hancock Advisers, LLC


By: /s/ Francis V. Knox Jr.
Name: Francis V. Knox Jr.
Dated: February 2, 2007 Title: Vice President and Chief Compliance
Officer


MFC Global Investment Management (U.S.), LLC


By: /s/ Francis V. Knox Jr.
Name: Francis V. Knox Jr.
Dated: February 2, 2007 Title: Vice President and Chief Compliance
Officer

* Signed pursuant to a Power of Attorney dated January 31, 2007 included as an
Exhibit to Schedule 13G filed with the Securities and Exchange Commission by
Manulife Financial Corporation on February 1, 2007.


PAGE 9 OF 9 PAGES